Calibration Without Noise Diodes#

This notebook shows how to use GBTFITSLoad.calseq to derive the system temperature for observations taken with the W-Band receiver of the GBT. The W-Band receiver has two feeds (beams) and covers the frequency range from 67 to 92 GHz, and, unlike most of the GBT receivers, it does not have noise diodes for calibration. Instead it uses a wheel to put hot and cold loads in front of the receiver, in what we call a calibration sequence (calseq). For the other spectral line receiver that does not use noise diodes, Argus, the command used to compute the system temperature is GBTFITSLoad.vanecal, because Argus uses a vane instead of a wheel. An example showing how to use vanecal will be provided elsewhere.

The data in this example contains observations of M82 using the Nod observing procedure.

Dysh commands#

The following dysh commands are introduced (leaving out all the function arguments):

  filename = dysh_data()
  sdf = GBTFITSLoad()
  sdf.udata()
  sdf.select()
  sb = sdf.getnod()
  sb = sdf.getps()
  ta = sb.timeaverage()
  ta.baseline()
  ta.average()
  pp = ta.plot()
  tt.oshow(ta1)

Loading Modules#

We start by loading the modules we will use for the data reduction.

# These modules are required for the data reduction.
from dysh.fits import GBTFITSLoad
from dysh.log import init_logging
from astropy import units as u
import numpy as np
import matplotlib.pyplot as plt

# These modules are used for file I/O
from dysh.util.files import dysh_data
from pathlib import Path

Setup#

We start the dysh logging, so we get more information about what is happening. This is only needed if working on a notebook. If using the CLI through the dysh command, then logging is setup for you.

init_logging(2)

# also create a local "output" directory where temporary notebook files can be stored.
output_dir = Path.cwd() / "output"
output_dir.mkdir(exist_ok=True)

Data Retrieval#

Download the example SDFITS data, if necessary.

filename = dysh_data(example="nod3")
15:58:27.164 I Resolving example=nod3 -> nod-W/data/AGBT15B_244_07.raw.vegas.trim.fits
15:58:27.165 I url: http://www.gb.nrao.edu/dysh//example_data/nod-W/data/AGBT15B_244_07.raw.vegas.trim.fits
Odd-1, did not find /bigdisk/data/gbt/dysh_data/example_data/nod-W/data/AGBT15B_244_07.raw.vegas.trim.fits
AGBT15B_244_07.raw.vegas.trim.fits already downloaded

Data Loading#

Next, we use GBTFITSLoad to load the data, and then its summary method to inspect its contents.

sdfits = GBTFITSLoad(filename)
sdfits.summary()
SCAN OBJECT VELOCITY PROC PROCSEQN RESTFREQ # IF # POL # INT # FEED AZIMUTH ELEVATION
130 M82 0.0 CALSEQ 1 87.645 4 2 3 2 334.3782 46.5595
131 M82 0.0 Nod 1 87.645 4 2 1 2 334.3555 46.4977
132 M82 0.0 Nod 2 87.645 4 2 1 2 334.4400 46.3994
133 M82 0.0 Nod 1 87.645 4 2 1 2 334.2819 46.2979
134 M82 0.0 Nod 2 87.645 4 2 1 2 334.3704 46.1996
135 M82 0.0 Nod 1 87.645 4 2 1 2 334.2152 46.0993
136 M82 0.0 Nod 2 87.645 4 2 1 2 334.3061 46.0009
137 M82 0.0 Nod 1 87.645 4 2 1 2 334.1520 45.9003
138 M82 0.0 Nod 2 87.645 4 2 1 2 334.2438 45.8002
139 M82 0.0 Nod 1 87.645 4 2 1 2 334.0929 45.6982
140 M82 0.0 Nod 2 87.645 4 2 1 2 334.1845 45.5991
141 M82 0.0 CALSEQ 1 87.645 4 2 3 2 334.0287 45.4683

There are 12 scans in this dataset. Using four spectral windows, two feeds and two polarizations. There are two calseq procedures at the start and end of the observation, and in between a series of five Nod observations.

Data Reduction#

System Temperature#

To calibrate the data we need to know the system temperature during the observations. We use the GBTFITSLoad.calseq function to derive the system temperature from the CALSEQ observations. We do this for both feeds, the four spectral windows, and both polarizations.

fdnums = sdfits.udata("FDNUM") # Feeds.
ifnums = sdfits.udata("IFNUM") # Spectral windows.
plnums = sdfits.udata("PLNUM") # Polarizations. 
cscans = [130, 141] # calseq scan numbers.

# Create an array to store the system temperature for each combination.
tsys = np.empty((len(cscans), len(fdnums), len(plnums), len(ifnums)), dtype=float)

# Loop over the combinations.
for s,scan in enumerate(cscans):
    for f,fdnum in enumerate(fdnums):
        for p,plnum in enumerate(plnums):
            for i,ifnum in enumerate(ifnums):
                tsys[s,f,p,i], _ = sdfits.calseq(scan=scan, fdnum=fdnum, plnum=plnum, ifnum=ifnum)

We check how much the system temperature changed between the start and end of the observations. We evaluate this in the form of a percentage relative to the time average of the system temperature.

np.diff(tsys, axis=0)/np.mean(tsys, axis=0)*100
array([[[[2.07996041, 2.02069088, 2.01024058, 1.98262645],
         [2.23058483, 2.34203283, 1.97049038, 1.88568961]],

        [[2.18532318, 2.10310376, 2.07058868, 2.0877803 ],
         [2.25814277, 2.1933681 , 2.21046665, 2.12652005]]]])

From the above we see that the system temperature changed by \(\approx2\%\). We will take the mean of the system temperatures as a function of time for the calibration.

tsys = np.mean(tsys, axis=0)

Nod Calibration#

Now we proceed to calibrate the Nod observations. We will use a similar startegy as before, looping over the possible combinations of spectral window, polarization and feeds. However, we will time average the calibrated data, so in the end we will only have one spectrum per spectral window and polarization. Since the data is observed using Nod, the processing will combine the spectra for both beams. The scans we calibrate are all the Nod scans, but we only need to provide the number of one of them per pair, since dysh will automatically figure out which scan is the corresponding pair.

The spectra we will save are Spectrum objects, so we set the data type, dtype, of the array to object.

In the call to GBTFITSLoad.getnod we must provide a value for the system temperature, one for each beam. In this case, the system temperature for each beam must be in a separate list, like [[120],[160]], where the first feed would use a system temperature of 120 K and the second 160 K. So we take the two system temperatures an pack them into a list or lists before calling the calibration function getnod.

nod_ta = np.empty((len(plnums), len(ifnums)), dtype=object)
nod_scans = [131, 133, 135, 137, 139]

for p,plnum in enumerate(plnums):
    for i,ifnum in enumerate(ifnums):
        # Extract the system temperature for both feeds for this polarization and spectral window.
        t_sys = [[t] for t in tsys[:,p,i]]
        # Call the calibration function.
        nod_ta[p,i] = sdfits.getnod(scan=nod_scans, ifnum=ifnum, plnum=plnum, t_sys=t_sys).timeaverage()

Inspecting the Calibrated Data#

Now that we have calibrated our observations, we plot the results to view the calibrated data. We start by plotting things using the built-in plotting functions for Spectrum objects, then we proceed to plot the spectra using custom matplotlib commands.

In the following cells we will plot one polarization for the individual spectral windows.

nod_ta[0,0].plot();
/bigdisk/src/dysh/.venv/lib/python3.12/site-packages/numpy/lib/_function_base_impl.py:2599: RuntimeWarning: invalid value encountered in do_format (vectorized)
  outputs = ufunc(*args, out=...)
../_images/b3d61f5b855ab836af3178c162a07fbbf151c864fb2d9a89cd2ecc1cfb6b2d84.png
nod_ta[0,1].plot();
../_images/d069669ef88b7603a9af478e036a8bac6cab33dd3e9eb7570171d71e81d13c9d.png
nod_ta[0,2].plot();
../_images/f911ef01b41142df680674a4bd43aa13b982d62a924f2c2c1beee56c054cab01.png
nod_ta[0,3].plot();
../_images/ef20675c5905f9213888f20f9c5a106825e09c8504e74f9b5a7936fa751ceb95.png

Now we will plot all of the spectral windows in a single figure. We start with the first polarization.

p0 = nod_ta[0,0].plot(ymin=0.0, ymax=0.4, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=0", label=f"IFNUM={nod_ta[0,0].meta['IFNUM']}")
pl0_specs = nod_ta[0,1:]
p0.oshow(pl0_specs, alpha=[0.5]*len(pl0_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl0_specs])
../_images/53a1a55f2c6be756b69221f6cb11248a32cdca2f4f0943f773534b05821a7991.png

The same code if you wanted more manual control

fig = plt.figure(dpi=150)
fig.suptitle("PLNUM=0")
ax = fig.add_subplot(111)
for t in nod_ta[0]:
    # Use an alpha of less than one to see the overlapping regions.
    ax.plot(t.spectral_axis.to("GHz"), t.flux, alpha=0.5, label=f"IFNUM={t.meta['IFNUM']}")
# Show a legend.
ax.legend()
# Limit y-range to focus on data.
ax.set_ylim(0, 0.4)
# Set axis labels by hand.
ax.set_xlabel("Frequency (GHz)")
ax.set_ylabel(f"Antenna temperature ({t.flux.unit})")
plt.show()

Now the second polarization.

p1 = nod_ta[1,0].plot(ymin=0.0, ymax=0.4, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=1", label=f"IFNUM={nod_ta[1,0].meta['IFNUM']}")
pl1_specs = nod_ta[1,1:]
p1.oshow(pl1_specs, alpha=[0.5]*len(pl0_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl1_specs])
../_images/ba5f2a6026bb8c2f1fe64b0e259352736a5305b0323475a4318236510d8e8715.png

The same code if you wanted more manual control

fig = plt.figure(dpi=150)
fig.suptitle("PLNUM=1")
ax = fig.add_subplot(111)
for t in nod_ta[1]:
    # Use an alpha of less than one to see the overlapping regions.
    ax.plot(t.spectral_axis.to("GHz"), t.flux, alpha=0.5, label=f"IFNUM={t.meta['IFNUM']}")
# Show a legend.
ax.legend()
# Limit y-range to focus on data.
ax.set_ylim(0, 0.4)
# Set axis labels by hand.
ax.set_xlabel("Frequency (GHz)")
ax.set_ylabel(f"Antenna temperature ({t.flux.unit})")
plt.show()

We see that spectral windows 1, 2 and 3 have strong detections of spectral lines. We focus on these spectral windows from now on.

nod_ta_lines = nod_ta[:,[1,2,3]]

Baseline Subtraction#

Now we proceed to remove the baseline from the spectral windows. For this, we will ignore the channels where we see the spectral lines. The ranges we will ignore are: ifnum=1 from 87.2 to 87.3 GHz, ifnum=2 from 88.5 to 88.7 GHz, and for ifnum=3 from 88.5 to 88.7 and 89 to 89.23 GHz. We will also ignore the first and last 500 channels of each spectra. The exclusion regions must be specified as a list of tuples, like [(1,10),(50,100)], and they can include units as well, however, only one unit per exclusion region is supported. We use an order 15 polynomial as the baseline model. This is a high order, but it captures most of the structure on the spectra for both polarizations.

# Define baseline parameters.
order = 15
model = "poly"
edge = 500
exclude = {1: [(nod_ta_lines[0,0].spectral_axis.quantity.min().to("GHz"), 
                nod_ta_lines[0,0].spectral_axis.quantity[edge].to("GHz")),
               (87.2*u.GHz, 87.3*u.GHz),
               (nod_ta_lines[0,0].spectral_axis.quantity[-edge].to("GHz"), 
                nod_ta_lines[0,0].spectral_axis.quantity.max().to("GHz")),
              ],
           2: [(nod_ta_lines[0,1].spectral_axis.quantity.min().to("GHz"), 
                nod_ta_lines[0,1].spectral_axis.quantity[edge].to("GHz")),
               (88.5*u.GHz, 88.65*u.GHz), 
               (nod_ta_lines[0,1].spectral_axis.quantity[-edge].to("GHz"), 
                nod_ta_lines[0,1].spectral_axis.quantity.max().to("GHz"))
              ],
           3: [(nod_ta_lines[0,2].spectral_axis.quantity.min().to("GHz"), 
                nod_ta_lines[0,2].spectral_axis.quantity[edge].to("GHz")),
               (88.5*u.GHz, 88.7*u.GHz), 
               (89*u.GHz, 89.23*u.GHz),
               (nod_ta_lines[0,2].spectral_axis.quantity[-edge].to("GHz"), 
                nod_ta_lines[0,2].spectral_axis.quantity.max().to("GHz"))
              ],
          }
# Loop over spectra and remove the baseline.
for nod_ta_lines_p in nod_ta_lines:
    for spec in nod_ta_lines_p:
        spec.baseline(order, model=model, exclude=exclude[spec.meta["IFNUM"]], remove=True)

Plot again after removing the baseline.

p0 = nod_ta_lines[0,0].plot(ymin=-0.4, ymax=0.4, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=0", label=f"IFNUM={nod_ta_lines[0,0].meta['IFNUM']}")
pl0_specs = nod_ta_lines[0,1:]
p0.oshow(pl0_specs, alpha=[0.5]*len(pl0_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl0_specs])
../_images/d20fd2d113dcd25ee868dc060d22e19392e243f57d2f5d862ad6cb474916cfdb.png

The same code if you want more manual control

fig = plt.figure(dpi=150)
fig.suptitle("PLNUM=0")
ax = fig.add_subplot(111)
for t in nod_ta_lines[0]:
    # Use an alpha of less than one to see the overlapping regions.
    ax.plot(t.spectral_axis.to("GHz"), t.flux, alpha=0.5, label=f"IFNUM={t.meta['IFNUM']}")
# Show a legend.
ax.legend()
# Limit y-range to focus on data.
ax.set_ylim(-0.4, 0.4)
# Set axis labels by hand.
ax.set_xlabel("Frequency (GHz)")
ax.set_ylabel(f"Antenna temperature ({t.flux.unit})")
plt.show()
p1 = nod_ta_lines[1,0].plot(ymin=-0.4, ymax=0.4, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=1", label=f"IFNUM={nod_ta_lines[0,0].meta['IFNUM']}")
pl1_specs = nod_ta_lines[1,1:]
p1.oshow(pl1_specs, alpha=[0.5]*len(pl1_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl1_specs])
../_images/648ec99512a663a32610e004d0f31433e6ec5972e58a078fe55bd8427ddb8ba4.png

The same code if you want more manual control

fig = plt.figure(dpi=150)
fig.suptitle("PLNUM=1")
ax = fig.add_subplot(111)
for t in nod_ta_lines[1]:
    # Use an alpha of less than one to see the overlapping regions.
    ax.plot(t.spectral_axis.to("GHz"), t.flux, alpha=0.5, label=f"IFNUM={t.meta['IFNUM']}")
# Show a legend.
ax.legend()
# Limit y-range to focus on data.
ax.set_ylim(-0.4, 0.4)
# Set axis labels by hand.
ax.set_xlabel("Frequency (GHz)")
ax.set_ylabel(f"Antenna temperature ({t.flux.unit})")
plt.show()

Correcting for Atmospheric Opacity#

So far the calibrated data has been in the antenna temperature scale, which does not take into account the effects of the atmosphere in the temperature scale. To calibrate taking these effects into account we need to specify an opacity and request a different brightness scale. The scales currently supported by dysh are “Ta*” (antenna temperature corrected for atmospheric opacity) and “Jy” (flux density). More details about the calibration can be found in the articles by Kutner & Ulich (1981), Kramer (1997) and Frayer et al. (2019).

If you are working inside the GBO network, in one of the GBO data reduction hosts, then you can use the convenience functions incorporated into dysh to retrieve atmospheric opacity.

from dysh.util.weatherforecast import GBTWeatherForecast
gbwf = GBTWeatherForecast()
spec = nod_ta_lines[0,0]
mjd, freq, tau = gbwf.fetch(vartype="Opacity", 
                            specval=spec.spectral_axis.quantity.mean(), 
                            mjd=spec.obstime.mjd
                           )

If you are not working at GBO, then you can follow these instructions to figure out the opacity.

If you do not have access to the GBO computing environment, you can use the NRAO helpdesk to ask for opacity values for the GBT. Please specify the dates (accurate to the hour) and frequencies for which you require opacities.

Here we will use the following values, in a dictionary with keys corresponding to the spectral window (IFNUM).

tau = {0: 6.28488304e-02,
       1: 5.99070412e-02,
       2: 5.73315943e-02,
       3: 5.51805677e-02
      }

We repeat the calibration specifying the opacity with the zenith_opacity argument and requesting that the data be calibrated to “Ta*” with the units argument.

nod_ta_star = np.empty((len(plnums), len(ifnums)), dtype=object)
nod_scans = [131, 133, 135, 137, 139]

for p,plnum in enumerate(plnums):
    for i,ifnum in enumerate(ifnums):
        # Extract the system temperature for both feeds for this polarization and spectral window.
        t_sys = [[t] for t in tsys[:,p,i]]
        # Call the calibration function.
        nod_ta_star[p,i] = sdfits.getnod(scan=nod_scans, ifnum=ifnum, plnum=plnum, 
                                         t_sys=t_sys, 
                                         zenith_opacity=tau[ifnum],
                                         units="Ta*"
                                        ).timeaverage()
nod_ta_star[0,0].plot();
/bigdisk/src/dysh/.venv/lib/python3.12/site-packages/numpy/lib/_function_base_impl.py:2599: RuntimeWarning: invalid value encountered in do_format (vectorized)
  outputs = ufunc(*args, out=...)
../_images/4d31b2f351fb31cc67b82d6730466a544191b09fd17342a0a779fac29e4e7a33.png

Now we repeat the baseline subtraction on the spectral windows that show emission lines.

nod_ta_star_lines = nod_ta_star[:,[1,2,3]]
for nod_ta_star_lines_p in nod_ta_star_lines:
    for spec in nod_ta_star_lines_p:
        spec.baseline(order, model=model, exclude=exclude[spec.meta["IFNUM"]], remove=True)
p0 = nod_ta_star_lines[0,0].plot(ymin=-0.4, ymax=0.9, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=0", label=f"IFNUM={nod_ta_star_lines[0,0].meta['IFNUM']}")
pl0_specs = nod_ta_star_lines[0,1:]
p0.oshow(pl0_specs, alpha=[0.5]*len(pl0_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl0_specs])
../_images/86f8bf521342ae48f0c4d30cc0b1ee26c78a3b7d2cd18b0d06a794e6817c61c5.png

The same figure could be plotted using the following code:

fig = plt.figure(dpi=150)
fig.suptitle("PLNUM=0")
ax = fig.add_subplot(111)
for t in nod_ta_star_lines[0]:
    # Use an alpha of less than one to see the overlapping regions.
    ax.plot(t.spectral_axis.to("GHz"), t.flux, alpha=0.5, label=f"IFNUM={t.meta['IFNUM']}")
# Show a legend.
ax.legend()
# Limit y-range to focus on data.
ax.set_ylim(-0.4, 0.9)
# Set axis labels by hand.
ax.set_xlabel("Frequency (GHz)")
ax.set_ylabel(fr"$T_{{A}}^{{*}}$ ({t.flux.unit})")
plt.show()

Now the second polarization.

p1 = nod_ta_star_lines[1,0].plot(ymin=-0.4, ymax=0.9, xaxis_unit="GHz", alpha=0.5, 
                      title="PLNUM=1", label=f"IFNUM={nod_ta_star_lines[1,0].meta['IFNUM']}")
pl1_specs = nod_ta_star_lines[1,1:]
p1.oshow(pl1_specs, alpha=[0.5]*len(pl1_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in pl1_specs])
../_images/5c1b67742659e9cb9de16aa5d8d99f3fa7d2e30d06cd5632f8e8f055e6c27b8e.png

Polarization Average#

We are now in a position to average the polarizations. This reduces the noise in the spectra. To average spectra we use the Spectrum.average function. It takes as input a list of other Spectrum objects. It does not check if the spectra are repeated.

We create a new array ta_star_pol_ave where we store the polarization averages, and then we loop over the spectra averaging polarizations.

ta_star_pol_ave = np.empty(nod_ta_star_lines.shape[1], dtype=object)

for i in range(nod_ta_star_lines.shape[1]):
    ta_star_pol_ave[i] = nod_ta_star_lines[0,i].average(nod_ta_star_lines[1,i])

Plot the polarization averages.

pa = ta_star_pol_ave[0].plot(ymin=-0.4, ymax=0.9, xaxis_unit="GHz", alpha=0.5, 
                      title="Polarization Average", label=f"IFNUM={nod_ta_star_lines[0,0].meta['IFNUM']}")
avg_specs = ta_star_pol_ave[1:]
pa.oshow(avg_specs, alpha=[0.5]*len(avg_specs), 
         label=[f"IFNUM={s.meta['IFNUM']}" for s in avg_specs])
../_images/c1fbda356390bea639792a0c54c472c786f5e0c9dd8d75d141a8ce17aaabb070.png

Saving the Calibrated Spectra#

Now that we have calibrated our data correcting for atmospheric opacity we save it to FITS files.

We use previously defined output directory. We loop over spectral windows saving the data.

for spec in ta_star_pol_ave:
    fnm_out = output_dir / f"M82_ifnum_{spec.meta['IFNUM']}_polavg.fits"
    spec.write(fnm_out, format="fits", overwrite=True)
WARNING: Attribute `ZEROCHAN` of type <class 'float'> cannot be added to FITS Header - skipping [astropy.io.fits.convenience]
WARNING: Attribute `ZEROCHAN` of type <class 'float'> cannot be added to FITS Header - skipping [astropy.io.fits.convenience]
WARNING: Attribute `ZEROCHAN` of type <class 'float'> cannot be added to FITS Header - skipping [astropy.io.fits.convenience]

The data is now in FITS tables.

Loading the Calibrated Spectra#

Now that we have saved the calibrated spectra to FITS files, we can read it back in. There are multiple ways of reading back FITS spectra, here we show how to using the built in dysh reader dysh.spectra.Spectrum.read and astropy.io.fits (raw reading).

Reading with dysh#

To read a FITS file written by dysh we use the dysh.spectra.Spectrum.read function. When calling the function we must specify the format of the file, otherwise an error might occur. The following cell will show how to.

from dysh.spectra import Spectrum
read_spec = Spectrum.read(output_dir / "M82_ifnum_1_polavg.fits", format="fits")

The result is a Spectrum object, with all its capabilities.

read_spec_smo = read_spec.smooth("gauss", 16)
read_spec_smo.plot()
/bigdisk/src/dysh/.venv/lib/python3.12/site-packages/numpy/lib/_function_base_impl.py:2599: RuntimeWarning: invalid value encountered in do_format (vectorized)
  outputs = ufunc(*args, out=...)
../_images/074b24f178c092378b0c4c8f09d345f97c7b9db8946f5fa2f4315645fd784075.png
<dysh.plot.specplot.SpectrumPlot at 0x7dca534ef9b0>

Even the history is available, albeit not easy to read. In a resulting FITS file (see below) it will be easier to read.

read_spec.history
['2026-05-14T16:00:59-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.__init__(flux=<Quantity [        nan, -0.38167784, -0.42788408, ...,  0.29981571,             0.28108434, -0.23835116] K>,wcs=WCS Keywords  Number of WCS axes: 4 CTYPE : \'FREQ\' \'RA\' \'DEC\' \'STOKES\' CUNIT : \'Hz\' \'deg\' \'deg\' \'\' CRVAL : 87228489084.0 148.93912271827946 69.63322176771119 1.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0 0.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3_4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT : 91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={\'OBJECT\': \'M82\', \'BANDWID\': 1500000000.0, \'DATE-OBS\': \'2017-02-04T10:11:43.00\', \'DURATION\': 609.7817230224609, \'EXPOSURE\': 596.6629532243182, \'TSYS\': 108.43737062628821, \'CTYPE1\': \'FREQ-OBS\', \'CRVAL1\': 87228489084.0, \'CRPIX1\': 8193.0, \'CDELT1\': 91552.734375, \'CTYPE2\': \'RA\', \'CRVAL2\': 148.93912271827946, \'CTYPE3\': \'DEC\', \'CRVAL3\': 69.63322176771119, \'CRVAL4\': 1, \'OBSERVER\': \'Dom Pesce\', \'OBSID\': \'unknown\', \'SCAN\': 131, \'OBSMODE\': \'Nod:NONE:TPNOCAL\', \'FRONTEND\': \'Rcvr68_92\', \'TCAL\': 1.0, \'VELDEF\': \'OPTI-BAR\', \'VFRAME\': 5241.161782043649, \'RVSYS\': 0.0, \'OBSFREQ\': 87228489084.0, \'LST\': 49886.57916905915, \'AZIMUTH\': 334.4132429832569, \'ELEVATIO\': 46.497692750558066, \'TAMBIENT\': 261.45001220703125, \'PRESSURE\': 699.2300046755845, \'HUMIDITY\': 0.6909999847412109, \'RESTFREQ\': 87230000000.0, \'DOPFREQ\': 86400000000.0, \'FREQRES\': 91552.734375, \'EQUINOX\': 2000.0, \'RADESYS\': \'FK5\', \'TRGTLONG\': 148.9695833333333, \'TRGTLAT\': 69.67944444444444, \'SAMPLER\': \'B1_0\', \'FEED\': 1, \'SRFEED\': 0, \'FEEDXOFF\': 0.0, \'FEEDEOFF\': 0.0, \'SUBREF_STATE\': 1, \'SIDEBAND\': \'U\', \'PROCSEQN\': 1, \'PROCSIZE\': 2, \'PROCSCAN\': \'BEAM1\', \'PROCTYPE\': \'SIMPLE\', \'LASTON\': 0, \'LASTOFF\': 0, \'TIMESTAMP\': \'2017_02_04_10:11:43\', \'QD_XEL\': -0.00172575483707228, \'QD_EL\': 0.001033652915095047, \'QD_BAD\': 0, \'QD_METHOD\': \'A\', \'VELOCITY\': 0.0, \'FOFFREF1\': 0.0, \'ADCSAMPF\': 3000000000.0, \'VSPDELT\': 512.0, \'VSPRVAL\': 16.0, \'VSPRPIX\': 8192.0, \'SIG\': \'T\', \'CAL\': \'F\', \'CALTYPE\': \'LOW\', \'TWARM\': 263.18359375, \'TCOLD\': 18.5546875, \'CALPOSITION\': \'Observing\', \'BACKEND\': \'VEGAS\', \'PROJID\': \'AGBT15B_244_07\', \'TELESCOP\': \'NRAO_GBT\', \'SITELONG\': -79.83983, \'SITELAT\': 38.43312, \'SITEELEV\': 824.595, \'IFNUM\': 1, \'PLNUM\': 1, \'FDNUM\': 0, \'INT\': 0, \'NSAVE\': -1, \'HDU\': 1, \'BINTABLE\': 0, \'ROW\': 54, \'SIMPLE\': True, \'EXTEND\': True, \'DATE\': \'2025-05-27\', \'ORIGIN\': \'NRAO Green Bank\', \'GUIDEVER\': \'GBTIDL ver2.10.1\', \'FITSVER\': \'1.9\', \'EXTNAME\': \'SINGLE DISH\', \'CTYPE4\': \'STOKES\', \'FITSINDEX\': 0, \'PROC\': \'Nod\', \'OBSTYPE\': \'NONE\', \'SUBOBSMODE\': \'TPNOCAL\', \'CUNIT1\': \'Hz\', \'CUNIT2\': \'deg\', \'CUNIT3\': \'deg\', \'RESTFRQ\': 87230000000.0, \'BUNIT\': \'K\', \'TSCALE\': \'Ta*\', \'TSCALFAC\': 3.132414901397774, \'AP_EFF\': 0.3501073560210638, \'SURF_ERR\': 230.0, \'SE_UNIT\': \'micron\', \'MJD-OBS\': 57788.42480324074, \'MEANTSYS\': 137.12980829151758, \'WTTSYS\': 137.12980829151758, \'TAU_Z\': 0.05990704119999999, \'HISTORY\': [\'2026-05-14T15:58:27 - Project ID: AGBT15B_244_07\', \'2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', "ad.__init__(PosixPath(\'/bigdisk/data/gbt/dysh_data/example_data/AGBT15B_", "244_07.raw.vegas.trim.fits\'),)", \'2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 0    M82  1.500000e+09  2017-02-04T10:\', \'10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 0  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 0      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   0    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 1    M82  1.500000e+09  2017-02-04T10:\', \'10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 1  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 1      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   1    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 12    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 12  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 12      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   12    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 2    M82  1.500000e+09  2017-02-04T10:\', \'11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 2  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                     UTC  CHAN  \\\\ 2      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE\', \'SUBOBSMODE   2  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 13    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 13  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 13      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   13    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 14    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 14  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 14      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   14  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 24    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 24  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 24      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   24    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 25    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 25  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 25      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   25    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 26    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 26  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 26      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   26  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 36    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 36  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 36      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   36    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 37    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 37  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 37      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   37    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 38    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 38  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 38      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   38  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 6    M82  1.500000e+09  2017-02-04T10:\', \'10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 6  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 6      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   6    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 7    M82  1.500000e+09  2017-02-04T10:\', \'10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 7  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 7      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   7    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 18    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 18  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 18      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   18    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 8    M82  1.500000e+09  2017-02-04T10:\', \'11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 8  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                     UTC  CHAN  \\\\ 8      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE\', \'SUBOBSMODE   8  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 19    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 19  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 19      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   19    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 20    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 20  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 20      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   20  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 30    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 30  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 30      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   30    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 31    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 31  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 31      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   31    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 32    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 32  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 32      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   32  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 42    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 42  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 42      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   42    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 43    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 43  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 43      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   43    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 44    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 44  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 44      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   44  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 3    M82  1.500000e+09  2017-02-04T10:\', \'10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 3  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 3      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   3    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 4    M82  1.500000e+09  2017-02-04T10:\', \'10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 4  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 4      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   4    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 15    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 15  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 15      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   15    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 5    M82  1.500000e+09  2017-02-04T10:\', \'11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 5  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                     UTC  CHAN  \\\\ 5      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE\', \'SUBOBSMODE   5  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 16    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 16  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 16      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   16    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 17    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 17  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 17      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   17  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 27    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 27  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 27      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   27    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 28    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 28  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 28      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   28    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 29    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 29  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 29      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   29  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 39    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 39  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 39      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   39    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 40    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 40  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 40      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   40    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 41    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 41  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 41      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   41  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE\', \'-OBS  DURATION  EXPOSURE  TSYS  \\\\ 9    M82  1.500000e+09  2017-02-04T10:\', \'10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE\', \'1        CRVAL1  ...          GUIDEVER  \\\\ 9  (16384,1,1,1)  Counts  FREQ\', \'-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C\', \'TYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 9      1.9  SINGLE\', \'DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE\', \'SUBOBSMODE   9    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 10    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 10  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 10      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   10    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 11    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 11  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 11      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   11  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 21    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 21  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 21      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   21    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 22    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 22  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 22      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   22    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 23    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 23  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 23      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   23  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 33    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 33  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 33      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   33    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 34    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 34  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 34      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   34    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 35    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 35  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 35      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   35  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 45    M82  1.500000e+09  2017-02-04T1\', \'0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 45  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 45      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   45    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 46    M82  1.500000e+09  2017-02-04T1\', \'0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 46  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 46      1.9  S\', \'INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB\', \'STYPE  SUBOBSMODE   46    NONE     TPNOCAL    [1 rows x 99 columns],)\', \'2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT\', \'E-OBS  DURATION  EXPOSURE  TSYS  \\\\ 47    M82  1.500000e+09  2017-02-04T1\', \'0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT\', \'YPE1        CRVAL1  ...          GUIDEVER  \\\\ 47  (16384,1,1,1)  Counts\', \'FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA\', \'ME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 47      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB\', \'STYPE  SUBOBSMODE   47  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 208    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 208  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 208\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   208    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 209    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 209  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 209\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   209    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 210    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 210  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 210      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   210  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 220    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 220  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 220\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   220    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 221    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 221  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 221\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   221    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 222    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 222  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 222      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   222  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 232    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 232  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 232\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   232    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 233    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 233  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 233\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   233    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 234    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 234  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 234      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   234  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 244    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 244  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 244\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   244    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 245    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 245  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 245\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   245    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 246    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 246  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 246      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   246  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 214    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 214  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 214\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   214    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 215    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 215  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 215\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   215    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 216    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 216  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 216      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   216  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 226    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 226  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 226\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   226    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 227    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 227  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 227\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   227    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 228    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 228  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 228      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   228  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 238    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 238  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 238\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   238    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 239    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 239  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 239\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   239    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 240    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 240  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 240      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   240  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 250    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 250  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 250\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   250    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 251    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 251  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 251\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   251    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 211    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 211  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 211\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   211    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 252    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 252  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 252      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   252  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 212    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 212  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 212\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   212    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 213    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 213  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 213      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   213  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 223    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 223  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 223\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   223    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 224    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 224  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 224\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   224    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 225    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 225  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 225      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   225  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 235    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 235  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 235\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   235    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 236    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 236  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 236\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   236    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 237    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 237  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 237      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   237  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 247    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 247  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 247\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   247    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 248    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 248  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 248\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   248    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 249    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 249  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 249      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   249  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 217    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 217  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 217\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   217    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 218    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 218  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 218\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   218    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 219    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 219  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 219      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   219  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 229    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 229  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 229\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   229    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 230    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 230  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 230\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   230    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 231    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 231  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 231      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   231  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 241    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 241  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 241\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   241    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 242    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 242  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 242\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   242    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 243    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 243  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 243      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   243  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 253    M82  1.500000e+09  2017-02-04\', \'T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 253  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 253\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   253    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 254    M82  1.500000e+09  2017-02-04\', \'T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 254  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \\\\ 254\', \'1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ\', \'     OBSTYPE  SUBOBSMODE   254    NONE     TPNOCAL    [1 rows x 99 colum\', \'ns],)\', \'2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 48     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14\', \'5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 48   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \'   65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.\', \'10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL\', \'ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB\', \'TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..\', \'.  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1\', \'0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398\', \'49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \' 177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10\', \'.1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve\', \'r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 48       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO\', \'CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE\', \'  TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N\', \'ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12\', \'8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA\', \'L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE\', \'TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON\', \'E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS  DURATION  EXPOSURE  TSYS  \\\\ 255    M82  1.500000e+09  2017-02-04\', \'T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7\', \' CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 255  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER\', \'EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \\\\ 255      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None\', \'PROC OBSTYPE  SUBOBSMODE   255  CALSEQ    NONE     TPNOCAL    [1 rows x\', \'99 columns],)\', \'2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 52     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14\', \'9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 52   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \'   69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.\', \'10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL\', \'ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB\', \'TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..\', \'.  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1\', \'0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228\', \'49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \' 181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10\', \'.1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve\', \'r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 52       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO\', \'CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE\', \'  TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N\', \'ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13\', \'2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA\', \'L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE\', \'TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON\', \'E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 56     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    57     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    72     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    73     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    88\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    89     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    104    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    105    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    120    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    121    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    136    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    137    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    152    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15\', \'3    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    168    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    169    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    184    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    185    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    200    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    201    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 56   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    57   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    72\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1\', \'   73   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.\', \'10.1    88   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL\', \'ver2.10.1    89   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB\', \'TIDL ver2.10.1    104  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..\', \'.  GBTIDL ver2.10.1    105  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1\', \'0  ...  GBTIDL ver2.10.1    120  (16384,1,1,1)  Counts  FREQ-OBS  8.8058\', \'49e+10  ...  GBTIDL ver2.10.1    121  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.805849e+10  ...  GBTIDL ver2.10.1    136  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.805849e+10  ...  GBTIDL ver2.10.1    137  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    152  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    153  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    168  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    169  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    184\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1\', \' 185  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10\', \'.1    200  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve\', \'r2.10.1    201  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 56       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    57       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    72       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    73       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    88       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    89       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    104      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    105\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'20      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    121      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    136      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    137      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    152      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    153      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    168      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    169      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    184      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    185      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    200      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    201\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   56     NONE     TPNOCAL   57     NONE     TPNO\', \'CAL   72     NONE     TPNOCAL   73     NONE     TPNOCAL   88     NONE\', \'  TPNOCAL   89     NONE     TPNOCAL   104    NONE     TPNOCAL   105    N\', \'ONE     TPNOCAL   120    NONE     TPNOCAL   121    NONE     TPNOCAL   13\', \'6    NONE     TPNOCAL   137    NONE     TPNOCAL   152    NONE     TPNOCA\', \'L   153    NONE     TPNOCAL   168    NONE     TPNOCAL   169    NONE\', \'TPNOCAL   184    NONE     TPNOCAL   185    NONE     TPNOCAL   200    NON\', \'E     TPNOCAL   201    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 60     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    61     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    76     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    77     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    92\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    93     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    108    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    109    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    124    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    125    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    140    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    141    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    156    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15\', \'7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    172    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    173    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    188    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    189    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    204    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    205    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 60   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    61   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    76\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1\', \'   77   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.\', \'10.1    92   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL\', \'ver2.10.1    93   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB\', \'TIDL ver2.10.1    108  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..\', \'.  GBTIDL ver2.10.1    109  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1\', \'0  ...  GBTIDL ver2.10.1    124  (16384,1,1,1)  Counts  FREQ-OBS  8.8888\', \'49e+10  ...  GBTIDL ver2.10.1    125  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.888849e+10  ...  GBTIDL ver2.10.1    140  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.888849e+10  ...  GBTIDL ver2.10.1    141  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    156  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    157  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    172  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    173  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    188\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1\', \' 189  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10\', \'.1    204  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve\', \'r2.10.1    205  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 60       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    61       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    76       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    77       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    92       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    93       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    108      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    109\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'24      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    125      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    140      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    141      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    156      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    157      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    172      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    173      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    188      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    189      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    204      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    205\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   60     NONE     TPNOCAL   61     NONE     TPNO\', \'CAL   76     NONE     TPNOCAL   77     NONE     TPNOCAL   92     NONE\', \'  TPNOCAL   93     NONE     TPNOCAL   108    NONE     TPNOCAL   109    N\', \'ONE     TPNOCAL   124    NONE     TPNOCAL   125    NONE     TPNOCAL   14\', \'0    NONE     TPNOCAL   141    NONE     TPNOCAL   156    NONE     TPNOCA\', \'L   157    NONE     TPNOCAL   172    NONE     TPNOCAL   173    NONE\', \'TPNOCAL   188    NONE     TPNOCAL   189    NONE     TPNOCAL   204    NON\', \'E     TPNOCAL   205    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 50     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    51     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    66     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    67     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    82\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    83     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    98     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    99     M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    114    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    115    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    130    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    131    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    146    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14\', \'7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    162    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    163    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    178    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    179    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    194    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    195    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 50   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    51   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    66\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \'   67   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.\', \'10.1    82   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL\', \'ver2.10.1    83   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB\', \'TIDL ver2.10.1    98   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..\', \'.  GBTIDL ver2.10.1    99   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1\', \'0  ...  GBTIDL ver2.10.1    114  (16384,1,1,1)  Counts  FREQ-OBS  8.6398\', \'49e+10  ...  GBTIDL ver2.10.1    115  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.639849e+10  ...  GBTIDL ver2.10.1    130  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.639849e+10  ...  GBTIDL ver2.10.1    131  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    146  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    147  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    162  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    163  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    178\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \' 179  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10\', \'.1    194  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve\', \'r2.10.1    195  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 50       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    51       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    66       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    67       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    82       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    83       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    98       1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    99\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'14      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    115      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    130      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    131      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    146      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    147      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    162      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    163      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    178      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    179      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    194      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    195\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   50     NONE     TPNOCAL   51     NONE     TPNO\', \'CAL   66     NONE     TPNOCAL   67     NONE     TPNOCAL   82     NONE\', \'  TPNOCAL   83     NONE     TPNOCAL   98     NONE     TPNOCAL   99     N\', \'ONE     TPNOCAL   114    NONE     TPNOCAL   115    NONE     TPNOCAL   13\', \'0    NONE     TPNOCAL   131    NONE     TPNOCAL   146    NONE     TPNOCA\', \'L   147    NONE     TPNOCAL   162    NONE     TPNOCAL   163    NONE\', \'TPNOCAL   178    NONE     TPNOCAL   179    NONE     TPNOCAL   194    NON\', \'E     TPNOCAL   195    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 54     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    55     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    70     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    71     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    86\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    87     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    102    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    103    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    118    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    119    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    134    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    135    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    150    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15\', \'1    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    166    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    167    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    182    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    183    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    198    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    199    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 54   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    55   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    70\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \'   71   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.\', \'10.1    86   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL\', \'ver2.10.1    87   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB\', \'TIDL ver2.10.1    102  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..\', \'.  GBTIDL ver2.10.1    103  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1\', \'0  ...  GBTIDL ver2.10.1    118  (16384,1,1,1)  Counts  FREQ-OBS  8.7228\', \'49e+10  ...  GBTIDL ver2.10.1    119  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.722849e+10  ...  GBTIDL ver2.10.1    134  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.722849e+10  ...  GBTIDL ver2.10.1    135  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    150  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    151  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    166  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    167  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    182\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \' 183  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10\', \'.1    198  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve\', \'r2.10.1    199  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 54       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    55       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    70       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    71       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    86       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    87       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    102      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    103\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'18      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    119      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    134      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    135      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    150      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    151      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    166      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    167      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    182      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    183      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    198      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    199\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   54     NONE     TPNOCAL   55     NONE     TPNO\', \'CAL   70     NONE     TPNOCAL   71     NONE     TPNOCAL   86     NONE\', \'  TPNOCAL   87     NONE     TPNOCAL   102    NONE     TPNOCAL   103    N\', \'ONE     TPNOCAL   118    NONE     TPNOCAL   119    NONE     TPNOCAL   13\', \'4    NONE     TPNOCAL   135    NONE     TPNOCAL   150    NONE     TPNOCA\', \'L   151    NONE     TPNOCAL   166    NONE     TPNOCAL   167    NONE\', \'TPNOCAL   182    NONE     TPNOCAL   183    NONE     TPNOCAL   198    NON\', \'E     TPNOCAL   199    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 58     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    59     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    74     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    75     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    90\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    91     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    106    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    107    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    122    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    123    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    138    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    139    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    154    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15\', \'5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    170    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    171    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    186    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    187    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    202    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    203    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 58   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    59   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    74\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1\', \'   75   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.\', \'10.1    90   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL\', \'ver2.10.1    91   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB\', \'TIDL ver2.10.1    106  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..\', \'.  GBTIDL ver2.10.1    107  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1\', \'0  ...  GBTIDL ver2.10.1    122  (16384,1,1,1)  Counts  FREQ-OBS  8.8058\', \'49e+10  ...  GBTIDL ver2.10.1    123  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.805849e+10  ...  GBTIDL ver2.10.1    138  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.805849e+10  ...  GBTIDL ver2.10.1    139  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    154  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    155  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    170  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    171  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    186\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1\', \' 187  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10\', \'.1    202  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve\', \'r2.10.1    203  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 58       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    59       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    74       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    75       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    90       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    91       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    106      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    107\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'22      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    123      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    138      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    139      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    154      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    155      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    170      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    171      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    186      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    187      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    202      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    203\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   58     NONE     TPNOCAL   59     NONE     TPNO\', \'CAL   74     NONE     TPNOCAL   75     NONE     TPNOCAL   90     NONE\', \'  TPNOCAL   91     NONE     TPNOCAL   106    NONE     TPNOCAL   107    N\', \'ONE     TPNOCAL   122    NONE     TPNOCAL   123    NONE     TPNOCAL   13\', \'8    NONE     TPNOCAL   139    NONE     TPNOCAL   154    NONE     TPNOCA\', \'L   155    NONE     TPNOCAL   170    NONE     TPNOCAL   171    NONE\', \'TPNOCAL   186    NONE     TPNOCAL   187    NONE     TPNOCAL   202    NON\', \'E     TPNOCAL   203    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 62     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    63     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    78     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    79     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    94\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    95     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    110    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    111    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    126    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    127    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    142    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    143    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    158    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15\', \'9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    174    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    175    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    190    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    191    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    206    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    207    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 62   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    63   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    78\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1\', \'   79   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.\', \'10.1    94   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL\', \'ver2.10.1    95   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB\', \'TIDL ver2.10.1    110  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..\', \'.  GBTIDL ver2.10.1    111  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1\', \'0  ...  GBTIDL ver2.10.1    126  (16384,1,1,1)  Counts  FREQ-OBS  8.8888\', \'49e+10  ...  GBTIDL ver2.10.1    127  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.888849e+10  ...  GBTIDL ver2.10.1    142  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.888849e+10  ...  GBTIDL ver2.10.1    143  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    158  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    159  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    174  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    175  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    190\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1\', \' 191  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10\', \'.1    206  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve\', \'r2.10.1    207  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 62       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    63       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    78       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    79       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    94       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    95       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    110      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    111\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'26      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    127      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    142      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    143      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    158      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    159      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    174      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    175      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    190      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    191      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    206      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    207\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   62     NONE     TPNOCAL   63     NONE     TPNO\', \'CAL   78     NONE     TPNOCAL   79     NONE     TPNOCAL   94     NONE\', \'  TPNOCAL   95     NONE     TPNOCAL   110    NONE     TPNOCAL   111    N\', \'ONE     TPNOCAL   126    NONE     TPNOCAL   127    NONE     TPNOCAL   14\', \'2    NONE     TPNOCAL   143    NONE     TPNOCAL   158    NONE     TPNOCA\', \'L   159    NONE     TPNOCAL   174    NONE     TPNOCAL   175    NONE\', \'TPNOCAL   190    NONE     TPNOCAL   191    NONE     TPNOCAL   206    NON\', \'E     TPNOCAL   207    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 48     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14\', \'5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 48   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \'   65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.\', \'10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL\', \'ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB\', \'TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..\', \'.  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1\', \'0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398\', \'49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1\', \' 177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10\', \'.1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve\', \'r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 48       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO\', \'CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE\', \'  TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N\', \'ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12\', \'8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA\', \'L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE\', \'TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON\', \'E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.apply_flags()\', \'2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA\', \'TE-OBS   DURATION   EXPOSURE  TSYS  \\\\ 52     M82  1.500000e+09  2017-02-\', \'04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09\', \'2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000\', \'00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82\', \'  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84\', \'     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1\', \'.0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66\', \'4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817\', \'2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00\', \'60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16\', \':24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-\', \'04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09\', \'2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000\', \'00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82\', \'  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14\', \'9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1\', \'.0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66\', \'6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817\', \'2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00\', \'60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21\', \':06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-\', \'04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09\', \'2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM\', \'7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \\\\ 52   (16384,\', \'1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1\', \'6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68\', \'   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \'   69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.\', \'10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL\', \'ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB\', \'TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..\', \'.  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1\', \'0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228\', \'49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8\', \'.722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O\', \'BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F\', \'REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun\', \'ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1)\', \' Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,\', \'1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163\', \'84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180\', \' (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1\', \' 181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10\', \'.1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve\', \'r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI\', \'DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX\', \'     UTC  CHAN PROC  \\\\ 52       1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1\', \'16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No\', \'d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No\', \'ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:\', \'34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04\', \'10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-\', \'02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0\', \' 2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES\', \'     0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK\', \'ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH\', \'  STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL\', \'E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9\', \' SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197\', \'  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod\', \'    OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO\', \'CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE\', \'  TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N\', \'ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13\', \'2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA\', \'L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE\', \'TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON\', \'E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)\', \'2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.__i\', \'nit__()\', \'2026-05-14T16:00:21-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo\', \'ad.getnod(scan=[131, 133, 135, 137, 139],ifnum=1,plnum=0,t_sys=[[np.floa\', \'t64(108.22387107748688)], [np.float64(143.54009942913794)]],zenith_opaci\', "ty=0.0599070412,units=\'Ta*\',)", \'2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.tim\', \'eaverage()\', \'2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.\', \'__init__(flux=<MaskedQuantity [        , -0.07918082, -0.01101417, ...,\', \' 0.28614683,                   0.29800966,  0.64951734] K>,wcs=WCS Keywo\', "rds  Number of WCS axes: 4 CTYPE : \'FREQ\' \'RA\' \'DEC\' \'STOKES\' CUNIT : \'H", "z\' \'deg\' \'deg\' \'\' CRVAL : 87228489084.0 148.94971752154765 69.6497394100", \'3959 -6.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0\', \'0.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3\', \'_4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT :\', " 91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={\'OBJECT\': \'M82\',", "\'BANDWID\': 1500000000.0, \'DATE-OBS\': \'2017-02-04T10:11:43.00\', \'DURATION", "\': np.float64(304.89086151123047), \'EXPOSURE\': np.float64(298.3314766121", "591), \'TSYS\': np.float64(121.02359518771574), \'TDIM7\': \'(16384,1,1,1)\',", "\'TUNIT7\': \'K\', \'CTYPE1\': \'FREQ-OBS\', \'CRVAL1\': 87228489084.0, \'CRPIX1\':", "8193.0, \'CDELT1\': 91552.734375, \'CTYPE2\': \'RA\', \'CRVAL2\': np.float64(148", ".94971752154765), \'CTYPE3\': \'DEC\', \'CRVAL3\': np.float64(69.6497394100395", "9), \'CRVAL4\': -6, \'OBSERVER\': \'Dom Pesce\', \'OBSID\': \'unknown\', \'SCAN\': 1", "31, \'OBSMODE\': \'Nod:NONE:TPNOCAL\', \'FRONTEND\': \'Rcvr68_92\', \'TCAL\': np.f", "loat64(1.0), \'VELDEF\': \'OPTI-BAR\', \'VFRAME\': 5241.161782043649, \'RVSYS\':", " 0.0, \'OBSFREQ\': 87228489084.0, \'LST\': 49886.57916905915, \'AZIMUTH\': 334", ".4132429832569, \'ELEVATIO\': 46.497692750558066, \'TAMBIENT\': 261.45001220", "703125, \'PRESSURE\': 699.2300046755845, \'HUMIDITY\': 0.6909999847412109, \'", "RESTFREQ\': 87230000000.0, \'DOPFREQ\': 86400000000.0, \'FREQRES\': 91552.734", "375, \'EQUINOX\': 2000.0, \'RADESYS\': \'FK5\', \'TRGTLONG\': 148.9695833333333,", " \'TRGTLAT\': 69.67944444444444, \'SAMPLER\': \'B2_0\', \'FEED\': 1, \'SRFEED\': 0", ", \'FEEDXOFF\': 0.0, \'FEEDEOFF\': 0.0, \'SUBREF_STATE\': 1, \'SIDEBAND\': \'U\',", "\'PROCSEQN\': 1, \'PROCSIZE\': 2, \'PROCSCAN\': \'BEAM1\', \'PROCTYPE\': \'SIMPLE\',", " \'LASTON\': 0, \'LASTOFF\': 0, \'TIMESTAMP\': \'2017_02_04_10:11:43\', \'QD_XEL\'", ": -0.0017257548370722825, \'QD_EL\': 0.001033652915095047, \'QD_BAD\': 0, \'Q", "D_METHOD\': \'A\', \'VELOCITY\': 0.0, \'FOFFREF1\': 0.0, \'ZEROCHAN\': nan, \'ADCS", "AMPF\': 3000000000.0, \'VSPDELT\': 512.0, \'VSPRVAL\': 16.0, \'VSPRPIX\': 8192.", "0, \'SIG\': \'T\', \'CAL\': \'F\', \'CALTYPE\': \'LOW\', \'TWARM\': 263.18359375, \'TCO", "LD\': 18.5546875, \'CALPOSITION\': \'Observing\', \'BACKEND\': \'VEGAS\', \'PROJID", "\': \'AGBT15B_244_07\', \'TELESCOP\': \'NRAO_GBT\', \'SITELONG\': -79.83983, \'SIT", "ELAT\': 38.43312, \'SITEELEV\': 824.595, \'IFNUM\': 1, \'PLNUM\': 0, \'FDNUM\': 0", ", \'INT\': 0, \'NSAVE\': -1, \'HDU\': 1, \'BINTABLE\': 0, \'ROW\': 52, \'SIMPLE\': T", "rue, \'EXTEND\': True, \'DATE\': \'2025-05-27\', \'ORIGIN\': \'NRAO Green Bank\',", "\'GUIDEVER\': \'GBTIDL ver2.10.1\', \'FITSVER\': \'1.9\', \'EXTNAME\': \'SINGLE DIS", "H\', \'CTYPE4\': \'STOKES\', \'FITSINDEX\': 0, \'PROC\': \'Nod\', \'OBSTYPE\': \'NONE\'", ", \'SUBOBSMODE\': \'TPNOCAL\', \'CUNIT1\': \'Hz\', \'CUNIT2\': \'deg\', \'CUNIT3\': \'d", "eg\', \'RESTFRQ\': np.float64(87230000000.0), \'BUNIT\': \'K\', \'TSCALE\': \'Ta*\'", ", \'NAXIS1\': 16384, \'TSCALFAC\': np.float64(3.132414901397774), \'AP_EFF\':", "np.float64(0.35010735602106374), \'SURF_ERR\': np.float64(229.999999999999", "94), \'SE_UNIT\': \'micron\', \'MJD-OBS\': np.float64(57788.42480324074), \'MEA", "NTSYS\': np.float64(108.22387107748688), \'WTTSYS\': np.float64(108.2238710", "7748688), \'TAU_Z\': np.float64(0.05990704119999998)},velocity_convention=", "\'optical\',radial_velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.72", \'3e+10 Hz>,observer=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, lo\', \'cation=(0.0, 0.0, 0.0) km): (x, y, z) in m     (882593.9465029, -4924896\', \'.36541728, 3943748.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)\', \'>,target=<SkyCoord (FK5: equinox=J2000.000): (ra, dec, distance) in (deg\', \', deg, kpc)     (148.94971752, 69.64973941, 1000000.)  (pm_ra_cosdec, pm\', \'_dec, radial_velocity) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>\', \',mask=array([ True, False, False, ..., False, False, False], shape=(1638\', \'4,)),)\', \'2026-05-14T16:00:48-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.\', "baseline(15,model=\'poly\',exclude=[(<Quantity 86.47848908 GHz>, <Quantity", \' 86.52426545 GHz>), (<Quantity 87.2 GHz>, <Quantity 87.3 GHz>), (<Quanti\', \'ty 87.93271272 GHz>, <Quantity 87.97839753 GHz>)],remove=True,)\', \'2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.\', \'__init__(flux=<MaskedQuantity [        , -0.38167784, -0.42788408, ...,\', \' 0.29981571,                   0.28108434, -0.23835116] K>,wcs=WCS Keywo\', "rds  Number of WCS axes: 4 CTYPE : \'FREQ\' \'RA\' \'DEC\' \'STOKES\' CUNIT : \'H", "z\' \'deg\' \'deg\' \'\' CRVAL : 87228489084.0 148.93912271827946 69.6332217677", \'1119 1.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0 0\', \'.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3_\', \'4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT :\', "91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={\'OBJECT\': \'M82\', \'", "BANDWID\': 1500000000.0, \'DATE-OBS\': \'2017-02-04T10:11:43.00\', \'DURATION\'", ": np.float64(609.7817230224609), \'EXPOSURE\': np.float64(596.662953224318", "2), \'TSYS\': np.float64(108.43737062628821), \'TDIM7\': \'(16384,1,1,1)\', \'T", "UNIT7\': \'K\', \'CTYPE1\': \'FREQ-OBS\', \'CRVAL1\': 87228489084.0, \'CRPIX1\': 81", "93.0, \'CDELT1\': 91552.734375, \'CTYPE2\': \'RA\', \'CRVAL2\': np.float64(148.9", "3912271827946), \'CTYPE3\': \'DEC\', \'CRVAL3\': np.float64(69.63322176771119)", ", \'CRVAL4\': 1, \'OBSERVER\': \'Dom Pesce\', \'OBSID\': \'unknown\', \'SCAN\': 131,", " \'OBSMODE\': \'Nod:NONE:TPNOCAL\', \'FRONTEND\': \'Rcvr68_92\', \'TCAL\': np.floa", "t64(1.0), \'VELDEF\': \'OPTI-BAR\', \'VFRAME\': 5241.161782043649, \'RVSYS\': 0.", "0, \'OBSFREQ\': 87228489084.0, \'LST\': 49886.57916905915, \'AZIMUTH\': 334.41", "32429832569, \'ELEVATIO\': 46.497692750558066, \'TAMBIENT\': 261.45001220703", "125, \'PRESSURE\': 699.2300046755845, \'HUMIDITY\': 0.6909999847412109, \'RES", "TFREQ\': 87230000000.0, \'DOPFREQ\': 86400000000.0, \'FREQRES\': 91552.734375", ", \'EQUINOX\': 2000.0, \'RADESYS\': \'FK5\', \'TRGTLONG\': 148.9695833333333, \'T", "RGTLAT\': 69.67944444444444, \'SAMPLER\': \'B1_0\', \'FEED\': 1, \'SRFEED\': 0, \'", "FEEDXOFF\': 0.0, \'FEEDEOFF\': 0.0, \'SUBREF_STATE\': 1, \'SIDEBAND\': \'U\', \'PR", "OCSEQN\': 1, \'PROCSIZE\': 2, \'PROCSCAN\': \'BEAM1\', \'PROCTYPE\': \'SIMPLE\', \'L", "ASTON\': 0, \'LASTOFF\': 0, \'TIMESTAMP\': \'2017_02_04_10:11:43\', \'QD_XEL\': -", "0.0017257548370722825, \'QD_EL\': 0.001033652915095047, \'QD_BAD\': 0, \'QD_M", "ETHOD\': \'A\', \'VELOCITY\': 0.0, \'FOFFREF1\': 0.0, \'ZEROCHAN\': nan, \'ADCSAMP", "F\': 3000000000.0, \'VSPDELT\': 512.0, \'VSPRVAL\': 16.0, \'VSPRPIX\': 8192.0,", "\'SIG\': \'T\', \'CAL\': \'F\', \'CALTYPE\': \'LOW\', \'TWARM\': 263.18359375, \'TCOLD\'", ": 18.5546875, \'CALPOSITION\': \'Observing\', \'BACKEND\': \'VEGAS\', \'PROJID\':", "\'AGBT15B_244_07\', \'TELESCOP\': \'NRAO_GBT\', \'SITELONG\': -79.83983, \'SITELA", "T\': 38.43312, \'SITEELEV\': 824.595, \'IFNUM\': 1, \'PLNUM\': 1, \'FDNUM\': 0, \'", "INT\': 0, \'NSAVE\': -1, \'HDU\': 1, \'BINTABLE\': 0, \'ROW\': 54, \'SIMPLE\': True", ", \'EXTEND\': True, \'DATE\': \'2025-05-27\', \'ORIGIN\': \'NRAO Green Bank\', \'GU", "IDEVER\': \'GBTIDL ver2.10.1\', \'FITSVER\': \'1.9\', \'EXTNAME\': \'SINGLE DISH\',", " \'CTYPE4\': \'STOKES\', \'FITSINDEX\': 0, \'PROC\': \'Nod\', \'OBSTYPE\': \'NONE\', \'", "SUBOBSMODE\': \'TPNOCAL\', \'CUNIT1\': \'Hz\', \'CUNIT2\': \'deg\', \'CUNIT3\': \'deg\'", ", \'RESTFRQ\': np.float64(87230000000.0), \'BUNIT\': \'K\', \'TSCALE\': \'Ta*\', \'", "NAXIS1\': 16384, \'TSCALFAC\': np.float64(3.132414901397774), \'AP_EFF\': np.", "float64(0.3501073560210638), \'SURF_ERR\': np.float64(230.0), \'SE_UNIT\': \'", "micron\', \'MJD-OBS\': np.float64(57788.42480324074), \'MEANTSYS\': np.float6", "4(137.12980829151758), \'WTTSYS\': np.float64(137.12980829151758), \'TAU_Z\'", ": np.float64(0.05990704119999999)},velocity_convention=\'optical\',radial_", \'velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.723e+10 Hz>,observe\', \'r=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0,\', \' 0.0) km): (x, y, z) in m     (882593.9465029, -4924896.36541728, 394374\', \'8.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)>,target=<SkyCoor\', \'d (FK5: equinox=J2000.000): (ra, dec, distance) in (deg, deg, kpc)     (\', \'148.93912272, 69.63322177, 1000000.)  (pm_ra_cosdec, pm_dec, radial_velo\', \'city) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>,mask=array([ Tru\', \'e, False, False, ..., False, False, False], shape=(16384,)),)\', \'2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.\', \'average(<Spectrum(flux=[nan ... -0.8462393430229553] K (shape=(16384,),\', \'mean=0.00415 K); spectral_axis=<SpectralAxis     (observer: <ITRS Coordi\', \'nate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0, 0.0) km): (x,\', \' y, z) in m                   (882593.9465029, -4924896.36541728, 394374\', \'8.74743984)                (v_x, v_y, v_z) in km / s                   (\', \'0., 0., 0.)>     target: <SkyCoord (FK5: equinox=J2000.000): (ra, dec, d\', \'istance) in (deg, deg, kpc)                 (148.93190837, 69.62197437,\', \'1000000.)              (pm_ra_cosdec, pm_dec, radial_velocity) in (mas /\', \' yr, mas / yr, km / s)                 (0., 0., 0.)>     observer to tar\', \'get (computed from above):       radial_velocity=5.237210620097223 km /\', \'s       redshift=1.7469606812259286e-05     doppler_rest=87230000000.0 H\', \'z     doppler_convention=optical)   [8.64784891e+10 8.64785806e+10 8.647\', \'86722e+10 ... 8.79782144e+10  8.79783060e+10 8.79783975e+10] Hz> (length\', \'=16384))>,)\']},velocity_convention=\'optical\',radial_velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.723e+10 Hz>,observer=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0, 0.0) km): (x, y, z) in m     (882590.62036715, -4924873.54273607, 3943729.15615663)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)>,target=<SkyCoord (FK5: equinox=J2000.000): (ra, dec, distance) in (deg, deg, kpc)     (148.93912272, 69.63322177, 1000000.)  (pm_ra_cosdec, pm_dec, radial_velocity) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>,)',
 "2026-05-14T16:00:59-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.smooth('gauss',16,)"]

Raw Reading#

To read the file we use the astropy.fits.open function. This will read the FITS file as a data table, not a Spectrum object. This makes it more flexible, but it also requires knowledge about how to work with FITS tables.

We start by importing astropy.fits and then loading the file.

from astropy.io import fits
hdu = fits.open(output_dir / "M82_ifnum_1_polavg.fits")
hdu
[<astropy.io.fits.hdu.image.PrimaryHDU object at 0x7dca525922d0>, <astropy.io.fits.hdu.table.BinTableHDU object at 0x7dca54bd6030>]

The data is in the second element of the opened file. We can retrieve the header and table data using the header and data properties.

header = hdu[1].header
data = hdu[1].data
hdu.close() # Close the file for now.

The header contains all the meta data from the Spectrum, as well as the data reduction history.

header
XTENSION= 'BINTABLE'           / binary table extension                         
BITPIX  =                    8 / array data type                                
NAXIS   =                    2 / number of array dimensions                     
NAXIS1  =                   48 / length of dimension 1                          
NAXIS2  =                16384 / length of dimension 2                          
PCOUNT  =                    0 / number of group parameters                     
GCOUNT  =                    1 / number of groups                               
TFIELDS =                    6 / number of table fields                         
TTYPE1  = 'spectral_axis'                                                       
TFORM1  = 'D       '                                                            
TUNIT1  = 'Hz      '                                                            
TTYPE2  = 'flux    '                                                            
TFORM2  = 'D       '                                                            
TUNIT2  = 'K       '                                                            
TTYPE3  = 'uncertainty'                                                         
TFORM3  = 'D       '                                                            
TTYPE4  = 'weight  '                                                            
TFORM4  = 'D       '                                                            
TTYPE5  = 'mask    '                                                            
TFORM5  = 'K       '                                                            
TTYPE6  = 'baseline'                                                            
TFORM6  = 'D       '                                                            
TUNIT6  = 'K       '                                                            
OBJECT  = 'M82     '                                                            
BANDWID =         1500000000.0                                                  
DATE-OBS= '2017-02-04T10:11:43.00'                                              
DURATION=    609.7817230224609                                                  
EXPOSURE=    596.6629532243182                                                  
TSYS    =   108.43737062628821                                                  
CTYPE1  = 'FREQ-OBS'                                                            
CRVAL1  =        87228489084.0                                                  
CRPIX1  =               8193.0                                                  
CDELT1  =         91552.734375                                                  
CTYPE2  = 'RA      '                                                            
CRVAL2  =   148.93912271827946                                                  
CTYPE3  = 'DEC     '                                                            
CRVAL3  =    69.63322176771119                                                  
CRVAL4  =                    1                                                  
OBSERVER= 'Dom Pesce'                                                           
OBSID   = 'unknown '                                                            
SCAN    =                  131                                                  
OBSMODE = 'Nod:NONE:TPNOCAL'                                                    
FRONTEND= 'Rcvr68_92'                                                           
TCAL    =                  1.0                                                  
VELDEF  = 'OPTI-BAR'                                                            
VFRAME  =    5241.161782043649                                                  
RVSYS   =                  0.0                                                  
OBSFREQ =        87228489084.0                                                  
LST     =    49886.57916905915                                                  
AZIMUTH =    334.4132429832569                                                  
ELEVATIO=   46.497692750558066                                                  
TAMBIENT=   261.45001220703125                                                  
PRESSURE=    699.2300046755845                                                  
HUMIDITY=   0.6909999847412109                                                  
RESTFREQ=        87230000000.0                                                  
DOPFREQ =        86400000000.0                                                  
FREQRES =         91552.734375                                                  
EQUINOX =               2000.0                                                  
RADESYS = 'FK5     '                                                            
TRGTLONG=    148.9695833333333                                                  
TRGTLAT =    69.67944444444444                                                  
SAMPLER = 'B1_0    '                                                            
FEED    =                    1                                                  
SRFEED  =                    0                                                  
FEEDXOFF=                  0.0                                                  
FEEDEOFF=                  0.0                                                  
HIERARCH SUBREF_STATE = 1                                                       
SIDEBAND= 'U       '                                                            
PROCSEQN=                    1                                                  
PROCSIZE=                    2                                                  
PROCSCAN= 'BEAM1   '                                                            
PROCTYPE= 'SIMPLE  '                                                            
LASTON  =                    0                                                  
LASTOFF =                    0                                                  
HIERARCH TIMESTAMP = '2017_02_04_10:11:43'                                      
QD_XEL  = -0.00172575483707228                                                  
QD_EL   = 0.001033652915095047                                                  
QD_BAD  =                    0                                                  
HIERARCH QD_METHOD = 'A       '                                                 
VELOCITY=                  0.0                                                  
FOFFREF1=                  0.0                                                  
ADCSAMPF=         3000000000.0                                                  
VSPDELT =                512.0                                                  
VSPRVAL =                 16.0                                                  
VSPRPIX =               8192.0                                                  
SIG     = 'T       '                                                            
CAL     = 'F       '                                                            
CALTYPE = 'LOW     '                                                            
TWARM   =         263.18359375                                                  
TCOLD   =           18.5546875                                                  
HIERARCH CALPOSITION = 'Observing'                                              
BACKEND = 'VEGAS   '                                                            
PROJID  = 'AGBT15B_244_07'                                                      
TELESCOP= 'NRAO_GBT'                                                            
SITELONG=            -79.83983                                                  
SITELAT =             38.43312                                                  
SITEELEV=              824.595                                                  
IFNUM   =                    1                                                  
PLNUM   =                    1                                                  
FDNUM   =                    0                                                  
INT     =                    0                                                  
NSAVE   =                   -1                                                  
HDU     =                    1                                                  
BINTABLE=                    0                                                  
ROW     =                   54                                                  
SIMPLE  =                    T                                                  
EXTEND  =                    T                                                  
DATE    = '2025-05-27'                                                          
ORIGIN  = 'NRAO Green Bank'                                                     
GUIDEVER= 'GBTIDL ver2.10.1'                                                    
FITSVER = '1.9     '                                                            
EXTNAME = 'SINGLE DISH'                                                         
CTYPE4  = 'STOKES  '                                                            
HIERARCH FITSINDEX = 0                                                          
PROC    = 'Nod     '                                                            
OBSTYPE = 'NONE    '                                                            
HIERARCH SUBOBSMODE = 'TPNOCAL '                                                
CUNIT1  = 'Hz      '                                                            
CUNIT2  = 'deg     '                                                            
CUNIT3  = 'deg     '                                                            
RESTFRQ =        87230000000.0                                                  
BUNIT   = 'K       '                                                            
TSCALE  = 'Ta*     '                                                            
TSCALFAC=    3.132414901397774                                                  
AP_EFF  =   0.3501073560210638                                                  
SURF_ERR=                230.0                                                  
SE_UNIT = 'micron  '                                                            
MJD-OBS =    57788.42480324074                                                  
MEANTSYS=   137.12980829151758                                                  
WTTSYS  =   137.12980829151758                                                  
TAU_Z   =  0.05990704119999999                                                  
HISTORY 2026-05-14T15:58:27 - Project ID: AGBT15B_244_07                        
HISTORY 2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.__init__(PosixPath('/bigdisk/data/gbt/dysh_data/example_data/AGBT15B_
HISTORY 244_07.raw.vegas.trim.fits'),)                                          
HISTORY 2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 0    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 0  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 0      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   0    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 1    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 1  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 1      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   1    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 12    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 12  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 12      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   12    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 2    M82  1.500000e+09  2017-02-04T10:
HISTORY 11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 2  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                     UTC  CHAN  \ 2      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE  
HISTORY SUBOBSMODE   2  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 13    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 13  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 13      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   13    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 14    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 14  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 14      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   14  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 24    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 24  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 24      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   24    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 25    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 25  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 25      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   25    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 26    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 26  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 26      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   26  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 36    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 36  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 36      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   36    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 37    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 37  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 37      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   37    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 38    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 38  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 38      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   38  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 6    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 6  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 6      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   6    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 7    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 7  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 7      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   7    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 18    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 18  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 18      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   18    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 8    M82  1.500000e+09  2017-02-04T10:
HISTORY 11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 8  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                     UTC  CHAN  \ 8      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE  
HISTORY SUBOBSMODE   8  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 19    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 19  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 19      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   19    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 20    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 20  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 20      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   20  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 30    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 30  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 30      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   30    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 31    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 31  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 31      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   31    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 32    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 32  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 32      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   32  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 42    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 42  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 42      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   42    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 43    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 43  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 43      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   43    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 44    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 44  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 44      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   44  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 3    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 3  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 3      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   3    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 4    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 4  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 4      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   4    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 15    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 15  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 15      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   15    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 5    M82  1.500000e+09  2017-02-04T10:
HISTORY 11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 5  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                     UTC  CHAN  \ 5      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE  
HISTORY SUBOBSMODE   5  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 16    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 16  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 16      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   16    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 17    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 17  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 17      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   17  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 27    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 27  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 27      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   27    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 28    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 28  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 28      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   28    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 29    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 29  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 29      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   29  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 39    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 39  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 39      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   39    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 40    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 40  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 40      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   40    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 41    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 41  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 41      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   41  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
HISTORY -OBS  DURATION  EXPOSURE  TSYS  \ 9    M82  1.500000e+09  2017-02-04T10:
HISTORY 10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
HISTORY 1        CRVAL1  ...          GUIDEVER  \ 9  (16384,1,1,1)  Counts  FREQ
HISTORY -OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
HISTORY TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 9      1.9  SINGLE 
HISTORY DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE  
HISTORY SUBOBSMODE   9    NONE     TPNOCAL    [1 rows x 99 columns],)           
HISTORY 2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 10    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 10  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 10      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   10    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 11    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 11  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 11      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   11  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 21    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 21  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 21      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   21    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 22    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 22  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 22      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   22    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 23    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 23  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 23      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   23  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 33    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 33  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 33      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   33    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 34    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 34  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 34      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   34    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 35    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 35  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 35      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   35  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 45    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 45  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 45      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   45    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 46    M82  1.500000e+09  2017-02-04T1
HISTORY 0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 46  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 46      1.9  S
HISTORY INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
HISTORY STYPE  SUBOBSMODE   46    NONE     TPNOCAL    [1 rows x 99 columns],)   
HISTORY 2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
HISTORY E-OBS  DURATION  EXPOSURE  TSYS  \ 47    M82  1.500000e+09  2017-02-04T1
HISTORY 0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
HISTORY YPE1        CRVAL1  ...          GUIDEVER  \ 47  (16384,1,1,1)  Counts  
HISTORY FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
HISTORY ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 47      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
HISTORY STYPE  SUBOBSMODE   47  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 208    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 208  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 208      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   208    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 209    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 209  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 209      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   209    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 210    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 210  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 210      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   210  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 220    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 220  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 220      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   220    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 221    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 221  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 221      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   221    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 222    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 222  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 222      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   222  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 232    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 232  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 232      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   232    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 233    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 233  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 233      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   233    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 234    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 234  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 234      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   234  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 244    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 244  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 244      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   244    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 245    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 245  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 245      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   245    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 246    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 246  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 246      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   246  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 214    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 214  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 214      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   214    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 215    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 215  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 215      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   215    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 216    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 216  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 216      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   216  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 226    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 226  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 226      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   226    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 227    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 227  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 227      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   227    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 228    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 228  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 228      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   228  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 238    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 238  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 238      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   238    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 239    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 239  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 239      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   239    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 240    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 240  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 240      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   240  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 250    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 250  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 250      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   250    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 251    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 251  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 251      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   251    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 211    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 211  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 211      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   211    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 252    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 252  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 252      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   252  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 212    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 212  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 212      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   212    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 213    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 213  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 213      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   213  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 223    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 223  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 223      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   223    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 224    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 224  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 224      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   224    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 225    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 225  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 225      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   225  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 235    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 235  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 235      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   235    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 236    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 236  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 236      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   236    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 237    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 237  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 237      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   237  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 247    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 247  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 247      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   247    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 248    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 248  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 248      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   248    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 249    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 249  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 249      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   249  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 217    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 217  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 217      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   217    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 218    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 218  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 218      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   218    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 219    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 219  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 219      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   219  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 229    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 229  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 229      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   229    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 230    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 230  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 230      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   230    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 231    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 231  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 231      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   231  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 241    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 241  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 241      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   241    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 242    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 242  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 242      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   242    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 243    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 243  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 243      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   243  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 253    M82  1.500000e+09  2017-02-04
HISTORY T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 253  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 253      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   253    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 254    M82  1.500000e+09  2017-02-04
HISTORY T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 254  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 254      
HISTORY 1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ    
HISTORY      OBSTYPE  SUBOBSMODE   254    NONE     TPNOCAL    [1 rows x 99 colum
HISTORY ns],)                                                                   
HISTORY 2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 48     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
HISTORY 5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 48   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1 
HISTORY    65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
HISTORY 10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL 
HISTORY ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
HISTORY TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
HISTORY .  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
HISTORY 49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1   
HISTORY  177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
HISTORY .1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
HISTORY r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 48       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97     
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO
HISTORY CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE   
HISTORY   TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N
HISTORY ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12
HISTORY 8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA
HISTORY L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE     
HISTORY TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON
HISTORY E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS  DURATION  EXPOSURE  TSYS  \ 255    M82  1.500000e+09  2017-02-04
HISTORY T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7   
HISTORY  CTYPE1        CRVAL1  ...          GUIDEVER  \ 255  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER      
HISTORY EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 255      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None            
HISTORY PROC OBSTYPE  SUBOBSMODE   255  CALSEQ    NONE     TPNOCAL    [1 rows x 
HISTORY 99 columns],)                                                           
HISTORY 2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 52     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
HISTORY 9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 52   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1 
HISTORY    69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
HISTORY 10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL 
HISTORY ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
HISTORY TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
HISTORY .  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
HISTORY 49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1   
HISTORY  181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
HISTORY .1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
HISTORY r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 52       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO
HISTORY CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE   
HISTORY   TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N
HISTORY ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13
HISTORY 2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA
HISTORY L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE     
HISTORY TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON
HISTORY E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 56     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    57     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    72     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    73     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    88
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    89     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    104    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    105    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    120    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    121    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    136    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    137    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    152    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
HISTORY 3    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    168    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    169    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    184    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    185    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    200    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    201    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 56   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    57   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    72
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1 
HISTORY    73   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.
HISTORY 10.1    88   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL 
HISTORY ver2.10.1    89   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB
HISTORY TIDL ver2.10.1    104  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..
HISTORY .  GBTIDL ver2.10.1    105  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    120  (16384,1,1,1)  Counts  FREQ-OBS  8.8058
HISTORY 49e+10  ...  GBTIDL ver2.10.1    121  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .805849e+10  ...  GBTIDL ver2.10.1    136  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.805849e+10  ...  GBTIDL ver2.10.1    137  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    152  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    153  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    168  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    169  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    184 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1   
HISTORY  185  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10
HISTORY .1    200  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve
HISTORY r2.10.1    201  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 56       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    57       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    72       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    73       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    88       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    89       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    104      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    105    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 20      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    121      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    136      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    137      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    152      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    153      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    168      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    169      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    184      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    185      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    200      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    201    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   56     NONE     TPNOCAL   57     NONE     TPNO
HISTORY CAL   72     NONE     TPNOCAL   73     NONE     TPNOCAL   88     NONE   
HISTORY   TPNOCAL   89     NONE     TPNOCAL   104    NONE     TPNOCAL   105    N
HISTORY ONE     TPNOCAL   120    NONE     TPNOCAL   121    NONE     TPNOCAL   13
HISTORY 6    NONE     TPNOCAL   137    NONE     TPNOCAL   152    NONE     TPNOCA
HISTORY L   153    NONE     TPNOCAL   168    NONE     TPNOCAL   169    NONE     
HISTORY TPNOCAL   184    NONE     TPNOCAL   185    NONE     TPNOCAL   200    NON
HISTORY E     TPNOCAL   201    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 60     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    61     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    76     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    77     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    92
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    93     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    108    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    109    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    124    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    125    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    140    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    141    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    156    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
HISTORY 7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    172    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    173    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    188    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    189    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    204    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    205    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 60   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    61   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    76
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1 
HISTORY    77   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.
HISTORY 10.1    92   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL 
HISTORY ver2.10.1    93   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB
HISTORY TIDL ver2.10.1    108  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..
HISTORY .  GBTIDL ver2.10.1    109  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    124  (16384,1,1,1)  Counts  FREQ-OBS  8.8888
HISTORY 49e+10  ...  GBTIDL ver2.10.1    125  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .888849e+10  ...  GBTIDL ver2.10.1    140  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.888849e+10  ...  GBTIDL ver2.10.1    141  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    156  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    157  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    172  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    173  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    188 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1   
HISTORY  189  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10
HISTORY .1    204  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve
HISTORY r2.10.1    205  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 60       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    61       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    76       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    77       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    92       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    93       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    108      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    109    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 24      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    125      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    140      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    141      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    156      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    157      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    172      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    173      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    188      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    189      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    204      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    205    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   60     NONE     TPNOCAL   61     NONE     TPNO
HISTORY CAL   76     NONE     TPNOCAL   77     NONE     TPNOCAL   92     NONE   
HISTORY   TPNOCAL   93     NONE     TPNOCAL   108    NONE     TPNOCAL   109    N
HISTORY ONE     TPNOCAL   124    NONE     TPNOCAL   125    NONE     TPNOCAL   14
HISTORY 0    NONE     TPNOCAL   141    NONE     TPNOCAL   156    NONE     TPNOCA
HISTORY L   157    NONE     TPNOCAL   172    NONE     TPNOCAL   173    NONE     
HISTORY TPNOCAL   188    NONE     TPNOCAL   189    NONE     TPNOCAL   204    NON
HISTORY E     TPNOCAL   205    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 50     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    51     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    66     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    67     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    82
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    83     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    98     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    99     M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    114    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    115    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    130    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    131    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    146    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
HISTORY 7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    162    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    163    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    178    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    179    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    194    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    195    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 50   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    51   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    66
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1 
HISTORY    67   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
HISTORY 10.1    82   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL 
HISTORY ver2.10.1    83   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
HISTORY TIDL ver2.10.1    98   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
HISTORY .  GBTIDL ver2.10.1    99   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    114  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
HISTORY 49e+10  ...  GBTIDL ver2.10.1    115  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .639849e+10  ...  GBTIDL ver2.10.1    130  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.639849e+10  ...  GBTIDL ver2.10.1    131  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    146  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    147  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    162  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    163  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    178 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1   
HISTORY  179  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
HISTORY .1    194  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
HISTORY r2.10.1    195  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 50       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    51       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    66       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    67       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    82       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    83       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    98       1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    99     
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 14      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    115      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    130      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    131      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    146      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    147      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    162      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    163      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    178      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    179      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    194      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    195    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   50     NONE     TPNOCAL   51     NONE     TPNO
HISTORY CAL   66     NONE     TPNOCAL   67     NONE     TPNOCAL   82     NONE   
HISTORY   TPNOCAL   83     NONE     TPNOCAL   98     NONE     TPNOCAL   99     N
HISTORY ONE     TPNOCAL   114    NONE     TPNOCAL   115    NONE     TPNOCAL   13
HISTORY 0    NONE     TPNOCAL   131    NONE     TPNOCAL   146    NONE     TPNOCA
HISTORY L   147    NONE     TPNOCAL   162    NONE     TPNOCAL   163    NONE     
HISTORY TPNOCAL   178    NONE     TPNOCAL   179    NONE     TPNOCAL   194    NON
HISTORY E     TPNOCAL   195    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 54     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    55     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    70     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    71     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    86
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    87     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    102    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    103    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    118    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    119    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    134    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    135    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    150    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
HISTORY 1    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    166    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    167    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    182    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    183    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    198    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    199    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 54   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    55   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    70
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1 
HISTORY    71   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
HISTORY 10.1    86   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL 
HISTORY ver2.10.1    87   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
HISTORY TIDL ver2.10.1    102  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
HISTORY .  GBTIDL ver2.10.1    103  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    118  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
HISTORY 49e+10  ...  GBTIDL ver2.10.1    119  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .722849e+10  ...  GBTIDL ver2.10.1    134  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.722849e+10  ...  GBTIDL ver2.10.1    135  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    150  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    151  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    166  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    167  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    182 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1   
HISTORY  183  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
HISTORY .1    198  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
HISTORY r2.10.1    199  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 54       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    55       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    70       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    71       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    86       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    87       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    102      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    103    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 18      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    119      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    134      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    135      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    150      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    151      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    166      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    167      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    182      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    183      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    198      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    199    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   54     NONE     TPNOCAL   55     NONE     TPNO
HISTORY CAL   70     NONE     TPNOCAL   71     NONE     TPNOCAL   86     NONE   
HISTORY   TPNOCAL   87     NONE     TPNOCAL   102    NONE     TPNOCAL   103    N
HISTORY ONE     TPNOCAL   118    NONE     TPNOCAL   119    NONE     TPNOCAL   13
HISTORY 4    NONE     TPNOCAL   135    NONE     TPNOCAL   150    NONE     TPNOCA
HISTORY L   151    NONE     TPNOCAL   166    NONE     TPNOCAL   167    NONE     
HISTORY TPNOCAL   182    NONE     TPNOCAL   183    NONE     TPNOCAL   198    NON
HISTORY E     TPNOCAL   199    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 58     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    59     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    74     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    75     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    90
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    91     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    106    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    107    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    122    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    123    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    138    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    139    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    154    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
HISTORY 5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    170    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    171    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    186    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    187    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    202    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    203    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 58   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    59   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    74
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1 
HISTORY    75   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.
HISTORY 10.1    90   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL 
HISTORY ver2.10.1    91   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB
HISTORY TIDL ver2.10.1    106  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..
HISTORY .  GBTIDL ver2.10.1    107  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    122  (16384,1,1,1)  Counts  FREQ-OBS  8.8058
HISTORY 49e+10  ...  GBTIDL ver2.10.1    123  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .805849e+10  ...  GBTIDL ver2.10.1    138  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.805849e+10  ...  GBTIDL ver2.10.1    139  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    154  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    155  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    170  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    171  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    186 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1   
HISTORY  187  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10
HISTORY .1    202  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve
HISTORY r2.10.1    203  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 58       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    59       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    74       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    75       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    90       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    91       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    106      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    107    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 22      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    123      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    138      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    139      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    154      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    155      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    170      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    171      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    186      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    187      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    202      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    203    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   58     NONE     TPNOCAL   59     NONE     TPNO
HISTORY CAL   74     NONE     TPNOCAL   75     NONE     TPNOCAL   90     NONE   
HISTORY   TPNOCAL   91     NONE     TPNOCAL   106    NONE     TPNOCAL   107    N
HISTORY ONE     TPNOCAL   122    NONE     TPNOCAL   123    NONE     TPNOCAL   13
HISTORY 8    NONE     TPNOCAL   139    NONE     TPNOCAL   154    NONE     TPNOCA
HISTORY L   155    NONE     TPNOCAL   170    NONE     TPNOCAL   171    NONE     
HISTORY TPNOCAL   186    NONE     TPNOCAL   187    NONE     TPNOCAL   202    NON
HISTORY E     TPNOCAL   203    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 62     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    63     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    78     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    79     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    94
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    95     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    110    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    111    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    126    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    127    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    142    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    143    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    158    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
HISTORY 9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    174    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    175    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    190    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    191    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    206    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    207    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 62   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    63   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    78
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1 
HISTORY    79   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.
HISTORY 10.1    94   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL 
HISTORY ver2.10.1    95   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB
HISTORY TIDL ver2.10.1    110  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..
HISTORY .  GBTIDL ver2.10.1    111  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    126  (16384,1,1,1)  Counts  FREQ-OBS  8.8888
HISTORY 49e+10  ...  GBTIDL ver2.10.1    127  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .888849e+10  ...  GBTIDL ver2.10.1    142  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.888849e+10  ...  GBTIDL ver2.10.1    143  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    158  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    159  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    174  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    175  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    190 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1   
HISTORY  191  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10
HISTORY .1    206  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve
HISTORY r2.10.1    207  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 62       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    63       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    78       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    79       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    94       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    95       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    110      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    111    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 26      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    127      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    142      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    143      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    158      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    159      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    174      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    175      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    190      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    191      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    206      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    207    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   62     NONE     TPNOCAL   63     NONE     TPNO
HISTORY CAL   78     NONE     TPNOCAL   79     NONE     TPNOCAL   94     NONE   
HISTORY   TPNOCAL   95     NONE     TPNOCAL   110    NONE     TPNOCAL   111    N
HISTORY ONE     TPNOCAL   126    NONE     TPNOCAL   127    NONE     TPNOCAL   14
HISTORY 2    NONE     TPNOCAL   143    NONE     TPNOCAL   158    NONE     TPNOCA
HISTORY L   159    NONE     TPNOCAL   174    NONE     TPNOCAL   175    NONE     
HISTORY TPNOCAL   190    NONE     TPNOCAL   191    NONE     TPNOCAL   206    NON
HISTORY E     TPNOCAL   207    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 48     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
HISTORY 5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 48   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1 
HISTORY    65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
HISTORY 10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL 
HISTORY ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
HISTORY TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
HISTORY .  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
HISTORY 49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1   
HISTORY  177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
HISTORY .1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
HISTORY r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 48       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97     
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO
HISTORY CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE   
HISTORY   TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N
HISTORY ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12
HISTORY 8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA
HISTORY L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE     
HISTORY TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON
HISTORY E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.apply_flags()                                                        
HISTORY 2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
HISTORY TE-OBS   DURATION   EXPOSURE  TSYS  \ 52     M82  1.500000e+09  2017-02-
HISTORY 04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09  
HISTORY 2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000
HISTORY 00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82
HISTORY   1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84
HISTORY      M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
HISTORY .0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
HISTORY 4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
HISTORY 2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00  
HISTORY 60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16
HISTORY :24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-
HISTORY 04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09  
HISTORY 2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000
HISTORY 00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82
HISTORY   1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
HISTORY 9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
HISTORY .0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
HISTORY 6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
HISTORY 2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00  
HISTORY 60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21
HISTORY :06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-
HISTORY 04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09  
HISTORY 2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
HISTORY 7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 52   (16384,
HISTORY 1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1
HISTORY 6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68
HISTORY    (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1 
HISTORY    69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
HISTORY 10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL 
HISTORY ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
HISTORY TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
HISTORY .  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
HISTORY 0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
HISTORY 49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8
HISTORY .722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O
HISTORY BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F
HISTORY REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun
HISTORY ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1) 
HISTORY  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,
HISTORY 1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163
HISTORY 84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180 
HISTORY  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1   
HISTORY  181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
HISTORY .1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
HISTORY r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
HISTORY DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX            
HISTORY      UTC  CHAN PROC  \ 52       1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
HISTORY 16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
HISTORY d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
HISTORY ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
HISTORY 34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04 
HISTORY 10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-
HISTORY 02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0
HISTORY  2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES    
HISTORY      0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK
HISTORY ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH
HISTORY   STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL
HISTORY E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9 
HISTORY  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197    
HISTORY   1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod     
HISTORY     OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO
HISTORY CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE   
HISTORY   TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N
HISTORY ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13
HISTORY 2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA
HISTORY L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE     
HISTORY TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON
HISTORY E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)     
HISTORY 2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.__i
HISTORY nit__()                                                                 
HISTORY 2026-05-14T16:00:21-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
HISTORY ad.getnod(scan=[131, 133, 135, 137, 139],ifnum=1,plnum=0,t_sys=[[np.floa
HISTORY t64(108.22387107748688)], [np.float64(143.54009942913794)]],zenith_opaci
HISTORY ty=0.0599070412,units='Ta*',)                                           
HISTORY 2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.tim
HISTORY eaverage()                                                              
HISTORY 2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
HISTORY __init__(flux=<MaskedQuantity [        , -0.07918082, -0.01101417, ..., 
HISTORY  0.28614683,                   0.29800966,  0.64951734] K>,wcs=WCS Keywo
HISTORY rds  Number of WCS axes: 4 CTYPE : 'FREQ' 'RA' 'DEC' 'STOKES' CUNIT : 'H
HISTORY z' 'deg' 'deg' '' CRVAL : 87228489084.0 148.94971752154765 69.6497394100
HISTORY 3959 -6.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0 
HISTORY 0.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3
HISTORY _4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT :
HISTORY  91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={'OBJECT': 'M82', 
HISTORY 'BANDWID': 1500000000.0, 'DATE-OBS': '2017-02-04T10:11:43.00', 'DURATION
HISTORY ': np.float64(304.89086151123047), 'EXPOSURE': np.float64(298.3314766121
HISTORY 591), 'TSYS': np.float64(121.02359518771574), 'TDIM7': '(16384,1,1,1)', 
HISTORY 'TUNIT7': 'K', 'CTYPE1': 'FREQ-OBS', 'CRVAL1': 87228489084.0, 'CRPIX1': 
HISTORY 8193.0, 'CDELT1': 91552.734375, 'CTYPE2': 'RA', 'CRVAL2': np.float64(148
HISTORY .94971752154765), 'CTYPE3': 'DEC', 'CRVAL3': np.float64(69.6497394100395
HISTORY 9), 'CRVAL4': -6, 'OBSERVER': 'Dom Pesce', 'OBSID': 'unknown', 'SCAN': 1
HISTORY 31, 'OBSMODE': 'Nod:NONE:TPNOCAL', 'FRONTEND': 'Rcvr68_92', 'TCAL': np.f
HISTORY loat64(1.0), 'VELDEF': 'OPTI-BAR', 'VFRAME': 5241.161782043649, 'RVSYS':
HISTORY  0.0, 'OBSFREQ': 87228489084.0, 'LST': 49886.57916905915, 'AZIMUTH': 334
HISTORY .4132429832569, 'ELEVATIO': 46.497692750558066, 'TAMBIENT': 261.45001220
HISTORY 703125, 'PRESSURE': 699.2300046755845, 'HUMIDITY': 0.6909999847412109, '
HISTORY RESTFREQ': 87230000000.0, 'DOPFREQ': 86400000000.0, 'FREQRES': 91552.734
HISTORY 375, 'EQUINOX': 2000.0, 'RADESYS': 'FK5', 'TRGTLONG': 148.9695833333333,
HISTORY  'TRGTLAT': 69.67944444444444, 'SAMPLER': 'B2_0', 'FEED': 1, 'SRFEED': 0
HISTORY , 'FEEDXOFF': 0.0, 'FEEDEOFF': 0.0, 'SUBREF_STATE': 1, 'SIDEBAND': 'U', 
HISTORY 'PROCSEQN': 1, 'PROCSIZE': 2, 'PROCSCAN': 'BEAM1', 'PROCTYPE': 'SIMPLE',
HISTORY  'LASTON': 0, 'LASTOFF': 0, 'TIMESTAMP': '2017_02_04_10:11:43', 'QD_XEL'
HISTORY : -0.0017257548370722825, 'QD_EL': 0.001033652915095047, 'QD_BAD': 0, 'Q
HISTORY D_METHOD': 'A', 'VELOCITY': 0.0, 'FOFFREF1': 0.0, 'ZEROCHAN': nan, 'ADCS
HISTORY AMPF': 3000000000.0, 'VSPDELT': 512.0, 'VSPRVAL': 16.0, 'VSPRPIX': 8192.
HISTORY 0, 'SIG': 'T', 'CAL': 'F', 'CALTYPE': 'LOW', 'TWARM': 263.18359375, 'TCO
HISTORY LD': 18.5546875, 'CALPOSITION': 'Observing', 'BACKEND': 'VEGAS', 'PROJID
HISTORY ': 'AGBT15B_244_07', 'TELESCOP': 'NRAO_GBT', 'SITELONG': -79.83983, 'SIT
HISTORY ELAT': 38.43312, 'SITEELEV': 824.595, 'IFNUM': 1, 'PLNUM': 0, 'FDNUM': 0
HISTORY , 'INT': 0, 'NSAVE': -1, 'HDU': 1, 'BINTABLE': 0, 'ROW': 52, 'SIMPLE': T
HISTORY rue, 'EXTEND': True, 'DATE': '2025-05-27', 'ORIGIN': 'NRAO Green Bank', 
HISTORY 'GUIDEVER': 'GBTIDL ver2.10.1', 'FITSVER': '1.9', 'EXTNAME': 'SINGLE DIS
HISTORY H', 'CTYPE4': 'STOKES', 'FITSINDEX': 0, 'PROC': 'Nod', 'OBSTYPE': 'NONE'
HISTORY , 'SUBOBSMODE': 'TPNOCAL', 'CUNIT1': 'Hz', 'CUNIT2': 'deg', 'CUNIT3': 'd
HISTORY eg', 'RESTFRQ': np.float64(87230000000.0), 'BUNIT': 'K', 'TSCALE': 'Ta*'
HISTORY , 'NAXIS1': 16384, 'TSCALFAC': np.float64(3.132414901397774), 'AP_EFF': 
HISTORY np.float64(0.35010735602106374), 'SURF_ERR': np.float64(229.999999999999
HISTORY 94), 'SE_UNIT': 'micron', 'MJD-OBS': np.float64(57788.42480324074), 'MEA
HISTORY NTSYS': np.float64(108.22387107748688), 'WTTSYS': np.float64(108.2238710
HISTORY 7748688), 'TAU_Z': np.float64(0.05990704119999998)},velocity_convention=
HISTORY 'optical',radial_velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.72
HISTORY 3e+10 Hz>,observer=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, lo
HISTORY cation=(0.0, 0.0, 0.0) km): (x, y, z) in m     (882593.9465029, -4924896
HISTORY .36541728, 3943748.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)
HISTORY >,target=<SkyCoord (FK5: equinox=J2000.000): (ra, dec, distance) in (deg
HISTORY , deg, kpc)     (148.94971752, 69.64973941, 1000000.)  (pm_ra_cosdec, pm
HISTORY _dec, radial_velocity) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>
HISTORY ,mask=array([ True, False, False, ..., False, False, False], shape=(1638
HISTORY 4,)),)                                                                  
HISTORY 2026-05-14T16:00:48-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
HISTORY baseline(15,model='poly',exclude=[(<Quantity 86.47848908 GHz>, <Quantity
HISTORY  86.52426545 GHz>), (<Quantity 87.2 GHz>, <Quantity 87.3 GHz>), (<Quanti
HISTORY ty 87.93271272 GHz>, <Quantity 87.97839753 GHz>)],remove=True,)         
HISTORY 2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
HISTORY __init__(flux=<MaskedQuantity [        , -0.38167784, -0.42788408, ..., 
HISTORY  0.29981571,                   0.28108434, -0.23835116] K>,wcs=WCS Keywo
HISTORY rds  Number of WCS axes: 4 CTYPE : 'FREQ' 'RA' 'DEC' 'STOKES' CUNIT : 'H
HISTORY z' 'deg' 'deg' '' CRVAL : 87228489084.0 148.93912271827946 69.6332217677
HISTORY 1119 1.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0 0
HISTORY .0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3_
HISTORY 4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT : 
HISTORY 91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={'OBJECT': 'M82', '
HISTORY BANDWID': 1500000000.0, 'DATE-OBS': '2017-02-04T10:11:43.00', 'DURATION'
HISTORY : np.float64(609.7817230224609), 'EXPOSURE': np.float64(596.662953224318
HISTORY 2), 'TSYS': np.float64(108.43737062628821), 'TDIM7': '(16384,1,1,1)', 'T
HISTORY UNIT7': 'K', 'CTYPE1': 'FREQ-OBS', 'CRVAL1': 87228489084.0, 'CRPIX1': 81
HISTORY 93.0, 'CDELT1': 91552.734375, 'CTYPE2': 'RA', 'CRVAL2': np.float64(148.9
HISTORY 3912271827946), 'CTYPE3': 'DEC', 'CRVAL3': np.float64(69.63322176771119)
HISTORY , 'CRVAL4': 1, 'OBSERVER': 'Dom Pesce', 'OBSID': 'unknown', 'SCAN': 131,
HISTORY  'OBSMODE': 'Nod:NONE:TPNOCAL', 'FRONTEND': 'Rcvr68_92', 'TCAL': np.floa
HISTORY t64(1.0), 'VELDEF': 'OPTI-BAR', 'VFRAME': 5241.161782043649, 'RVSYS': 0.
HISTORY 0, 'OBSFREQ': 87228489084.0, 'LST': 49886.57916905915, 'AZIMUTH': 334.41
HISTORY 32429832569, 'ELEVATIO': 46.497692750558066, 'TAMBIENT': 261.45001220703
HISTORY 125, 'PRESSURE': 699.2300046755845, 'HUMIDITY': 0.6909999847412109, 'RES
HISTORY TFREQ': 87230000000.0, 'DOPFREQ': 86400000000.0, 'FREQRES': 91552.734375
HISTORY , 'EQUINOX': 2000.0, 'RADESYS': 'FK5', 'TRGTLONG': 148.9695833333333, 'T
HISTORY RGTLAT': 69.67944444444444, 'SAMPLER': 'B1_0', 'FEED': 1, 'SRFEED': 0, '
HISTORY FEEDXOFF': 0.0, 'FEEDEOFF': 0.0, 'SUBREF_STATE': 1, 'SIDEBAND': 'U', 'PR
HISTORY OCSEQN': 1, 'PROCSIZE': 2, 'PROCSCAN': 'BEAM1', 'PROCTYPE': 'SIMPLE', 'L
HISTORY ASTON': 0, 'LASTOFF': 0, 'TIMESTAMP': '2017_02_04_10:11:43', 'QD_XEL': -
HISTORY 0.0017257548370722825, 'QD_EL': 0.001033652915095047, 'QD_BAD': 0, 'QD_M
HISTORY ETHOD': 'A', 'VELOCITY': 0.0, 'FOFFREF1': 0.0, 'ZEROCHAN': nan, 'ADCSAMP
HISTORY F': 3000000000.0, 'VSPDELT': 512.0, 'VSPRVAL': 16.0, 'VSPRPIX': 8192.0, 
HISTORY 'SIG': 'T', 'CAL': 'F', 'CALTYPE': 'LOW', 'TWARM': 263.18359375, 'TCOLD'
HISTORY : 18.5546875, 'CALPOSITION': 'Observing', 'BACKEND': 'VEGAS', 'PROJID': 
HISTORY 'AGBT15B_244_07', 'TELESCOP': 'NRAO_GBT', 'SITELONG': -79.83983, 'SITELA
HISTORY T': 38.43312, 'SITEELEV': 824.595, 'IFNUM': 1, 'PLNUM': 1, 'FDNUM': 0, '
HISTORY INT': 0, 'NSAVE': -1, 'HDU': 1, 'BINTABLE': 0, 'ROW': 54, 'SIMPLE': True
HISTORY , 'EXTEND': True, 'DATE': '2025-05-27', 'ORIGIN': 'NRAO Green Bank', 'GU
HISTORY IDEVER': 'GBTIDL ver2.10.1', 'FITSVER': '1.9', 'EXTNAME': 'SINGLE DISH',
HISTORY  'CTYPE4': 'STOKES', 'FITSINDEX': 0, 'PROC': 'Nod', 'OBSTYPE': 'NONE', '
HISTORY SUBOBSMODE': 'TPNOCAL', 'CUNIT1': 'Hz', 'CUNIT2': 'deg', 'CUNIT3': 'deg'
HISTORY , 'RESTFRQ': np.float64(87230000000.0), 'BUNIT': 'K', 'TSCALE': 'Ta*', '
HISTORY NAXIS1': 16384, 'TSCALFAC': np.float64(3.132414901397774), 'AP_EFF': np.
HISTORY float64(0.3501073560210638), 'SURF_ERR': np.float64(230.0), 'SE_UNIT': '
HISTORY micron', 'MJD-OBS': np.float64(57788.42480324074), 'MEANTSYS': np.float6
HISTORY 4(137.12980829151758), 'WTTSYS': np.float64(137.12980829151758), 'TAU_Z'
HISTORY : np.float64(0.05990704119999999)},velocity_convention='optical',radial_
HISTORY velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.723e+10 Hz>,observe
HISTORY r=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0,
HISTORY  0.0) km): (x, y, z) in m     (882593.9465029, -4924896.36541728, 394374
HISTORY 8.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)>,target=<SkyCoor
HISTORY d (FK5: equinox=J2000.000): (ra, dec, distance) in (deg, deg, kpc)     (
HISTORY 148.93912272, 69.63322177, 1000000.)  (pm_ra_cosdec, pm_dec, radial_velo
HISTORY city) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>,mask=array([ Tru
HISTORY e, False, False, ..., False, False, False], shape=(16384,)),)           
HISTORY 2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
HISTORY average(<Spectrum(flux=[nan ... -0.8462393430229553] K (shape=(16384,), 
HISTORY mean=0.00415 K); spectral_axis=<SpectralAxis     (observer: <ITRS Coordi
HISTORY nate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0, 0.0) km): (x,
HISTORY  y, z) in m                   (882593.9465029, -4924896.36541728, 394374
HISTORY 8.74743984)                (v_x, v_y, v_z) in km / s                   (
HISTORY 0., 0., 0.)>     target: <SkyCoord (FK5: equinox=J2000.000): (ra, dec, d
HISTORY istance) in (deg, deg, kpc)                 (148.93190837, 69.62197437, 
HISTORY 1000000.)              (pm_ra_cosdec, pm_dec, radial_velocity) in (mas /
HISTORY  yr, mas / yr, km / s)                 (0., 0., 0.)>     observer to tar
HISTORY get (computed from above):       radial_velocity=5.237210620097223 km / 
HISTORY s       redshift=1.7469606812259286e-05     doppler_rest=87230000000.0 H
HISTORY z     doppler_convention=optical)   [8.64784891e+10 8.64785806e+10 8.647
HISTORY 86722e+10 ... 8.79782144e+10  8.79783060e+10 8.79783975e+10] Hz> (length
HISTORY =16384))>,)                                                             
COMMENT --BEGIN-ASTROPY-SERIALIZED-COLUMNS--                                    
COMMENT datatype:                                                               
COMMENT - {name: spectral_axis, unit: Hz, datatype: float64, description: Spec\ 
COMMENT tral axis}                                                              
COMMENT - {name: flux, unit: K, datatype: float64, description: Flux}           
COMMENT - {name: uncertainty, datatype: float64, description: Flux uncertainty\ 
COMMENT  (was not defined)}                                                     
COMMENT - {name: weight, datatype: float64, description: Channel weights}       
COMMENT - {name: mask, datatype: int64, description: 'Mask 0=unmasked, 1=maske\ 
COMMENT d'}                                                                     
COMMENT - {name: baseline, unit: K, datatype: float64, description: Fitted bas\ 
COMMENT eline value at given channel (was not defined)}                         
COMMENT meta: !!omap                                                            
COMMENT - __serialized_columns__: {}                                            
COMMENT --END-ASTROPY-SERIALIZED-COLUMNS--                                      
header["HISTORY"]
2026-05-14T15:58:27 - Project ID: AGBT15B_244_07
2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.__init__(PosixPath('/bigdisk/data/gbt/dysh_data/example_data/AGBT15B_
244_07.raw.vegas.trim.fits'),)
2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:27-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 0    M82  1.500000e+09  2017-02-04T10:
10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 0  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 0      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE
SUBOBSMODE   0    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:29-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 1    M82  1.500000e+09  2017-02-04T10:
10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 1  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 1      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE
SUBOBSMODE   1    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 12    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 12  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 12      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   12    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:30-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 2    M82  1.500000e+09  2017-02-04T10:
11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 2  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                     UTC  CHAN  \ 2      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE
SUBOBSMODE   2  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 13    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 13  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 13      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   13    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:31-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 14    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 14  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 14      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   14  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 24    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 24  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 24      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   24    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 25    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 25  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 25      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   25    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 26    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 26  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 26      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   26  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:33-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 36    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 36  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 36      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   36    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 37    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 37  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 37      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   37    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:34-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 38    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 38  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 38      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   38  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:35-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 6    M82  1.500000e+09  2017-02-04T10:
10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 6  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 6      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE
SUBOBSMODE   6    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 7    M82  1.500000e+09  2017-02-04T10:
10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 7  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 7      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE
SUBOBSMODE   7    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 18    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 18  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 18      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   18    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:37-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 8    M82  1.500000e+09  2017-02-04T10:
11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 8  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                     UTC  CHAN  \ 8      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE
SUBOBSMODE   8  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 19    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 19  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 19      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   19    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 20    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 20  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 20      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   20  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:38-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 30    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 30  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 30      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   30    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 31    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 31  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 31      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   31    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:39-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 32    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 32  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 32      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   32  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 42    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 42  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 42      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   42    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 43    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 43  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 43      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   43    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:41-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 44    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 44  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 44      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   44  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 3    M82  1.500000e+09  2017-02-04T10:
10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 3  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 3      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE
SUBOBSMODE   3    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:42-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 4    M82  1.500000e+09  2017-02-04T10:
10:58.00  8.996782   8.93939   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 4  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 4      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ       OBSTYPE
SUBOBSMODE   4    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 15    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 15  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 15      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   15    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:43-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 5    M82  1.500000e+09  2017-02-04T10:
11:14.99  9.996425  8.963158   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 5  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                     UTC  CHAN  \ 5      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:11:14.990  None          PROC OBSTYPE
SUBOBSMODE   5  CALSEQ    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 16    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 16  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 16      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   16    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:44-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 17    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 17  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 17      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   17  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 27    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 27  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 27      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   27    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 28    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 28  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 28      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   28    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 29    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 29  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 29      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   29  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:46-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 39    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 39  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 39      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   39    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 40    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 40  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 40      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   40    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 41    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 41  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 41      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   41  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:47-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=  OBJECT       BANDWID                DATE
-OBS  DURATION  EXPOSURE  TSYS  \ 9    M82  1.500000e+09  2017-02-04T10:
10:45.00  9.996425  9.939025   1.0                TDIM7  TUNIT7    CTYPE
1        CRVAL1  ...          GUIDEVER  \ 9  (16384,1,1,1)  Counts  FREQ
-OBS  8.639849e+10  ...  GBTIDL ver2.10.1        FITSVER      EXTNAME  C
TYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 9      1.9  SINGLE
DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ       OBSTYPE
SUBOBSMODE   9    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 10    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 10  (16384,1,1,1)  Counts
FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 10      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   10    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:48-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 11    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 11  (16384,1,1,1)  Counts
FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 11      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   11  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 21    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 21  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 21      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   21    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 22    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 22  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 22      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   22    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 23    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 23  (16384,1,1,1)  Counts
FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 23      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   23  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 33    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 33  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 33      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   33    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:50-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 34    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 34  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 34      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   34    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 35    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 35  (16384,1,1,1)  Counts
FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 35      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   35  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:51-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 45    M82  1.500000e+09  2017-02-04T1
0:10:45.00  9.996425  9.939025   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 45  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 45      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:45  None  CALSEQ        OB
STYPE  SUBOBSMODE   45    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:52-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 46    M82  1.500000e+09  2017-02-04T1
0:10:58.00  8.996782   8.93939   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 46  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 46      1.9  S
INGLE DISH  STOKES         0 2017-02-04 10:10:58  None  CALSEQ        OB
STYPE  SUBOBSMODE   46    NONE     TPNOCAL    [1 rows x 99 columns],)
2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:53-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=   OBJECT       BANDWID                DAT
E-OBS  DURATION  EXPOSURE  TSYS  \ 47    M82  1.500000e+09  2017-02-04T1
0:11:14.99  9.996425  8.963158   1.0                 TDIM7  TUNIT7    CT
YPE1        CRVAL1  ...          GUIDEVER  \ 47  (16384,1,1,1)  Counts
FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1         FITSVER      EXTNA
ME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 47      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:11:14.990  None           PROC OB
STYPE  SUBOBSMODE   47  CALSEQ    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:54-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 208    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 208  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 208
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   208    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:55-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 209    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 209  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 209
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   209    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 210    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 210  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 210      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   210  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:58:56-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 220    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 220  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 220
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   220    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:57-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 221    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 221  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 221
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   221    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 222    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 222  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 222      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   222  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 232    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 232  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 232
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   232    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:58-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 233    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 233  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 233
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   233    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 234    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 234  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 234      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   234  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:58:59-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 244    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 244  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 244
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   244    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 245    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 245  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 245
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   245    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:00-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 246    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 246  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 246      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   246  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 214    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 214  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 214
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   214    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 215    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 215  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 215
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   215    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:01-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 216    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 216  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 216      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   216  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 226    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 226  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 226
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   226    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:02-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 227    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 227  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 227
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   227    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 228    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 228  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 228      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   228  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:03-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 238    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 238  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 238
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   238    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 239    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 239  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 239
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   239    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:04-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 240    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 240  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 240      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   240  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 250    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 250  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 250
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   250    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:05-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 251    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 251  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 251
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   251    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 211    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 211  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 211
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   211    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:06-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 252    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 252  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 252      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   252  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:07-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 212    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 212  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 212
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   212    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 213    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 213  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 213      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   213  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:08-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 223    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 223  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 223
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   223    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:09-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 224    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 224  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 224
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   224    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:10-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 225    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 225  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 225      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   225  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 235    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 235  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 235
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   235    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:11-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 236    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 236  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 236
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   236    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 237    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 237  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 237      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   237  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:12-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 247    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 247  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 247
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   247    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 248    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 248  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 248
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   248    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:13-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 249    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 249  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 249      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   249  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 217    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 217  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 217
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   217    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 218    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 218  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 218
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   218    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:15-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 219    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 219  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 219      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   219  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 229    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 229  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 229
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   229    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:16-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 230    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 230  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 230
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   230    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 231    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 231  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 231      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   231  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:17-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 241    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 241  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 241
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   241    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 242    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 242  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 242
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   242    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 243    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 243  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 243      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   243  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 253    M82  1.500000e+09  2017-02-04
T10:23:33.00  9.996425  9.940423   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 253  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 253
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:33  None  CALSEQ
     OBSTYPE  SUBOBSMODE   253    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:19-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 254    M82  1.500000e+09  2017-02-04
T10:23:46.00  8.996782   8.93939   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 254  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                 UTC  CHAN    PROC  \ 254
1.9  SINGLE DISH  STOKES         0 2017-02-04 10:23:46  None  CALSEQ
     OBSTYPE  SUBOBSMODE   254    NONE     TPNOCAL    [1 rows x 99 colum
ns],)
2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 48     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 48   (16384,
1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1
6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64
   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
   65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL
ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
.  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8
.639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O
BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F
REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1)
 Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,
1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163
84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176
 (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
 177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
.1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 48       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO
CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE
  TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N
ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12
8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA
L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE
TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON
E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:20-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS  DURATION  EXPOSURE  TSYS  \ 255    M82  1.500000e+09  2017-02-04
T10:24:02.99  9.996425  8.963158   1.0                  TDIM7  TUNIT7
 CTYPE1        CRVAL1  ...          GUIDEVER  \ 255  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1          FITSVER
EXTNAME  CTYPE4 FITSINDEX                     UTC  CHAN  \ 255      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:24:02.990  None
PROC OBSTYPE  SUBOBSMODE   255  CALSEQ    NONE     TPNOCAL    [1 rows x
99 columns],)
2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:24-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 52     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 52   (16384,
1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1
6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68
   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
   69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL
ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
.  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8
.722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O
BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F
REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1)
 Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,
1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163
84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180
 (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
 181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
.1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 52       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO
CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE
  TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N
ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13
2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA
L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE
TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON
E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:28-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 56     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    57     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    72     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    73     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    88
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    89     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    104    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    105    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    120    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    121    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    136    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    137    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    152    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
3    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    168    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    169    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    184    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    185    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    200    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    201    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 56   (16384,
1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    57   (1
6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    72
   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1
   73   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.
10.1    88   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL
ver2.10.1    89   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB
TIDL ver2.10.1    104  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..
.  GBTIDL ver2.10.1    105  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1
0  ...  GBTIDL ver2.10.1    120  (16384,1,1,1)  Counts  FREQ-OBS  8.8058
49e+10  ...  GBTIDL ver2.10.1    121  (16384,1,1,1)  Counts  FREQ-OBS  8
.805849e+10  ...  GBTIDL ver2.10.1    136  (16384,1,1,1)  Counts  FREQ-O
BS  8.805849e+10  ...  GBTIDL ver2.10.1    137  (16384,1,1,1)  Counts  F
REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    152  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    153  (16384,1,1,1)
 Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    168  (16384,1,
1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    169  (163
84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    184
 (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1
 185  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10
.1    200  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve
r2.10.1    201  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 56       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    57       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    72       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    73       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    88       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    89       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    104      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    105
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
20      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    121      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    136      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    137      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    152      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    153      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    168      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    169      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    184      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    185      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    200      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    201
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   56     NONE     TPNOCAL   57     NONE     TPNO
CAL   72     NONE     TPNOCAL   73     NONE     TPNOCAL   88     NONE
  TPNOCAL   89     NONE     TPNOCAL   104    NONE     TPNOCAL   105    N
ONE     TPNOCAL   120    NONE     TPNOCAL   121    NONE     TPNOCAL   13
6    NONE     TPNOCAL   137    NONE     TPNOCAL   152    NONE     TPNOCA
L   153    NONE     TPNOCAL   168    NONE     TPNOCAL   169    NONE
TPNOCAL   184    NONE     TPNOCAL   185    NONE     TPNOCAL   200    NON
E     TPNOCAL   201    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:32-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 60     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    61     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    76     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    77     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    92
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    93     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    108    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    109    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    124    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    125    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    140    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    141    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    156    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    172    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    173    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    188    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    189    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    204    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    205    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 60   (16384,
1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    61   (1
6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    76
   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1
   77   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.
10.1    92   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL
ver2.10.1    93   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB
TIDL ver2.10.1    108  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..
.  GBTIDL ver2.10.1    109  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1
0  ...  GBTIDL ver2.10.1    124  (16384,1,1,1)  Counts  FREQ-OBS  8.8888
49e+10  ...  GBTIDL ver2.10.1    125  (16384,1,1,1)  Counts  FREQ-OBS  8
.888849e+10  ...  GBTIDL ver2.10.1    140  (16384,1,1,1)  Counts  FREQ-O
BS  8.888849e+10  ...  GBTIDL ver2.10.1    141  (16384,1,1,1)  Counts  F
REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    156  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    157  (16384,1,1,1)
 Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    172  (16384,1,
1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    173  (163
84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    188
 (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1
 189  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10
.1    204  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve
r2.10.1    205  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 60       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    61       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    76       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    77       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    92       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    93       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    108      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    109
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
24      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    125      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    140      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    141      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    156      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    157      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    172      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    173      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    188      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    189      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    204      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    205
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   60     NONE     TPNOCAL   61     NONE     TPNO
CAL   76     NONE     TPNOCAL   77     NONE     TPNOCAL   92     NONE
  TPNOCAL   93     NONE     TPNOCAL   108    NONE     TPNOCAL   109    N
ONE     TPNOCAL   124    NONE     TPNOCAL   125    NONE     TPNOCAL   14
0    NONE     TPNOCAL   141    NONE     TPNOCAL   156    NONE     TPNOCA
L   157    NONE     TPNOCAL   172    NONE     TPNOCAL   173    NONE
TPNOCAL   188    NONE     TPNOCAL   189    NONE     TPNOCAL   204    NON
E     TPNOCAL   205    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:36-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 50     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    51     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    66     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    67     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    82
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    83     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    98     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    99     M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    114    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    115    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    130    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    131    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    146    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
7    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    162    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    163    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    178    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    179    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    194    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    195    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 50   (16384,
1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    51   (1
6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    66
   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
   67   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
10.1    82   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL
ver2.10.1    83   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
TIDL ver2.10.1    98   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
.  GBTIDL ver2.10.1    99   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
0  ...  GBTIDL ver2.10.1    114  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
49e+10  ...  GBTIDL ver2.10.1    115  (16384,1,1,1)  Counts  FREQ-OBS  8
.639849e+10  ...  GBTIDL ver2.10.1    130  (16384,1,1,1)  Counts  FREQ-O
BS  8.639849e+10  ...  GBTIDL ver2.10.1    131  (16384,1,1,1)  Counts  F
REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    146  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    147  (16384,1,1,1)
 Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    162  (16384,1,
1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    163  (163
84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    178
 (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
 179  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
.1    194  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
r2.10.1    195  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 50       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    51       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    66       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    67       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    82       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    83       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    98       1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    99
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
14      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    115      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    130      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    131      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    146      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    147      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    162      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    163      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    178      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    179      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    194      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    195
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   50     NONE     TPNOCAL   51     NONE     TPNO
CAL   66     NONE     TPNOCAL   67     NONE     TPNOCAL   82     NONE
  TPNOCAL   83     NONE     TPNOCAL   98     NONE     TPNOCAL   99     N
ONE     TPNOCAL   114    NONE     TPNOCAL   115    NONE     TPNOCAL   13
0    NONE     TPNOCAL   131    NONE     TPNOCAL   146    NONE     TPNOCA
L   147    NONE     TPNOCAL   162    NONE     TPNOCAL   163    NONE
TPNOCAL   178    NONE     TPNOCAL   179    NONE     TPNOCAL   194    NON
E     TPNOCAL   195    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:40-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 54     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    55     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    70     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    71     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    86
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    87     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    102    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    103    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    118    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    119    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    134    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    135    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    150    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
1    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    166    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    167    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    182    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    183    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    198    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    199    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 54   (16384,
1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    55   (1
6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    70
   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
   71   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
10.1    86   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL
ver2.10.1    87   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
TIDL ver2.10.1    102  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
.  GBTIDL ver2.10.1    103  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
0  ...  GBTIDL ver2.10.1    118  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
49e+10  ...  GBTIDL ver2.10.1    119  (16384,1,1,1)  Counts  FREQ-OBS  8
.722849e+10  ...  GBTIDL ver2.10.1    134  (16384,1,1,1)  Counts  FREQ-O
BS  8.722849e+10  ...  GBTIDL ver2.10.1    135  (16384,1,1,1)  Counts  F
REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    150  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    151  (16384,1,1,1)
 Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    166  (16384,1,
1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    167  (163
84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    182
 (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
 183  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
.1    198  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
r2.10.1    199  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 54       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    55       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    70       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    71       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    86       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    87       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    102      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    103
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
18      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    119      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    134      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    135      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    150      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    151      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    166      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    167      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    182      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    183      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    198      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    199
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   54     NONE     TPNOCAL   55     NONE     TPNO
CAL   70     NONE     TPNOCAL   71     NONE     TPNOCAL   86     NONE
  TPNOCAL   87     NONE     TPNOCAL   102    NONE     TPNOCAL   103    N
ONE     TPNOCAL   118    NONE     TPNOCAL   119    NONE     TPNOCAL   13
4    NONE     TPNOCAL   135    NONE     TPNOCAL   150    NONE     TPNOCA
L   151    NONE     TPNOCAL   166    NONE     TPNOCAL   167    NONE
TPNOCAL   182    NONE     TPNOCAL   183    NONE     TPNOCAL   198    NON
E     TPNOCAL   199    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:45-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 58     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    59     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    74     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    75     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    90
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    91     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    106    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    107    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    122    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    123    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    138    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    139    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    154    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    170    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    171    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    186    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    187    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    202    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    203    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 58   (16384,
1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    59   (1
6384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    74
   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1
   75   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.
10.1    90   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL
ver2.10.1    91   (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GB
TIDL ver2.10.1    106  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ..
.  GBTIDL ver2.10.1    107  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+1
0  ...  GBTIDL ver2.10.1    122  (16384,1,1,1)  Counts  FREQ-OBS  8.8058
49e+10  ...  GBTIDL ver2.10.1    123  (16384,1,1,1)  Counts  FREQ-OBS  8
.805849e+10  ...  GBTIDL ver2.10.1    138  (16384,1,1,1)  Counts  FREQ-O
BS  8.805849e+10  ...  GBTIDL ver2.10.1    139  (16384,1,1,1)  Counts  F
REQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    154  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    155  (16384,1,1,1)
 Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    170  (16384,1,
1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    171  (163
84,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1    186
 (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10.1
 187  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ver2.10
.1    202  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTIDL ve
r2.10.1    203  (16384,1,1,1)  Counts  FREQ-OBS  8.805849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 58       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    59       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    74       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    75       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    90       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    91       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    106      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    107
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
22      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    123      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    138      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    139      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    154      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    155      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    170      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    171      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    186      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    187      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    202      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    203
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   58     NONE     TPNOCAL   59     NONE     TPNO
CAL   74     NONE     TPNOCAL   75     NONE     TPNOCAL   90     NONE
  TPNOCAL   91     NONE     TPNOCAL   106    NONE     TPNOCAL   107    N
ONE     TPNOCAL   122    NONE     TPNOCAL   123    NONE     TPNOCAL   13
8    NONE     TPNOCAL   139    NONE     TPNOCAL   154    NONE     TPNOCA
L   155    NONE     TPNOCAL   170    NONE     TPNOCAL   171    NONE
TPNOCAL   186    NONE     TPNOCAL   187    NONE     TPNOCAL   202    NON
E     TPNOCAL   203    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T15:59:49-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 62     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    63     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    78     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    79     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    94
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    95     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    110    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    111    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    126    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    127    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    142    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    143    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    158    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    15
9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    174    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    175    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    190    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    191    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    206    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    207    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 62   (16384,
1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    63   (1
6384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    78
   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1
   79   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.
10.1    94   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL
ver2.10.1    95   (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GB
TIDL ver2.10.1    110  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ..
.  GBTIDL ver2.10.1    111  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+1
0  ...  GBTIDL ver2.10.1    126  (16384,1,1,1)  Counts  FREQ-OBS  8.8888
49e+10  ...  GBTIDL ver2.10.1    127  (16384,1,1,1)  Counts  FREQ-OBS  8
.888849e+10  ...  GBTIDL ver2.10.1    142  (16384,1,1,1)  Counts  FREQ-O
BS  8.888849e+10  ...  GBTIDL ver2.10.1    143  (16384,1,1,1)  Counts  F
REQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    158  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    159  (16384,1,1,1)
 Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    174  (16384,1,
1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    175  (163
84,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1    190
 (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10.1
 191  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ver2.10
.1    206  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTIDL ve
r2.10.1    207  (16384,1,1,1)  Counts  FREQ-OBS  8.888849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 62       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    63       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    78       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    79       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    94       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    95       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    110      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    111
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
26      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    127      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    142      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    143      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    158      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    159      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    174      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    175      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    190      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    191      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    206      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    207
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   62     NONE     TPNOCAL   63     NONE     TPNO
CAL   78     NONE     TPNOCAL   79     NONE     TPNOCAL   94     NONE
  TPNOCAL   95     NONE     TPNOCAL   110    NONE     TPNOCAL   111    N
ONE     TPNOCAL   126    NONE     TPNOCAL   127    NONE     TPNOCAL   14
2    NONE     TPNOCAL   143    NONE     TPNOCAL   158    NONE     TPNOCA
L   159    NONE     TPNOCAL   174    NONE     TPNOCAL   175    NONE
TPNOCAL   190    NONE     TPNOCAL   191    NONE     TPNOCAL   206    NON
E     TPNOCAL   207    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T16:00:14-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 48     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    49     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    64     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    65     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    80
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    81     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    96     M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    97     M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    112    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    113    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    128    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    129    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    144    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
5    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    160    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    161    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    176    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    177    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    192    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    193    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 48   (16384,
1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    49   (1
6384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    64
   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
   65   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.
10.1    80   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL
ver2.10.1    81   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GB
TIDL ver2.10.1    96   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ..
.  GBTIDL ver2.10.1    97   (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+1
0  ...  GBTIDL ver2.10.1    112  (16384,1,1,1)  Counts  FREQ-OBS  8.6398
49e+10  ...  GBTIDL ver2.10.1    113  (16384,1,1,1)  Counts  FREQ-OBS  8
.639849e+10  ...  GBTIDL ver2.10.1    128  (16384,1,1,1)  Counts  FREQ-O
BS  8.639849e+10  ...  GBTIDL ver2.10.1    129  (16384,1,1,1)  Counts  F
REQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    144  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    145  (16384,1,1,1)
 Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    160  (16384,1,
1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    161  (163
84,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1    176
 (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10.1
 177  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ver2.10
.1    192  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTIDL ve
r2.10.1    193  (16384,1,1,1)  Counts  FREQ-OBS  8.639849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 48       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    49       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    64       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    65       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    80       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    81       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    96       1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    97
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
12      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    113      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    128      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    129      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    144      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    145      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    160      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    161      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    176      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    177      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    192      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    193
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   48     NONE     TPNOCAL   49     NONE     TPNO
CAL   64     NONE     TPNOCAL   65     NONE     TPNOCAL   80     NONE
  TPNOCAL   81     NONE     TPNOCAL   96     NONE     TPNOCAL   97     N
ONE     TPNOCAL   112    NONE     TPNOCAL   113    NONE     TPNOCAL   12
8    NONE     TPNOCAL   129    NONE     TPNOCAL   144    NONE     TPNOCA
L   145    NONE     TPNOCAL   160    NONE     TPNOCAL   161    NONE
TPNOCAL   176    NONE     TPNOCAL   177    NONE     TPNOCAL   192    NON
E     TPNOCAL   193    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.apply_flags()
2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.flag_vegas_spurs(selection=    OBJECT       BANDWID                DA
TE-OBS   DURATION   EXPOSURE  TSYS  \ 52     M82  1.500000e+09  2017-02-
04T10:11:43.00  60.978172  59.670490   1.0    53     M82  1.500000e+09
2017-02-04T10:11:43.00  60.978172  59.670490   1.0    68     M82  1.5000
00e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    69     M82
  1.500000e+09  2017-02-04T10:12:53.00  60.978172  59.655113   1.0    84
     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.664898   1
.0    85     M82  1.500000e+09  2017-02-04T10:14:04.00  60.978172  59.66
4898   1.0    100    M82  1.500000e+09  2017-02-04T10:15:14.00  60.97817
2  59.666294   1.0    101    M82  1.500000e+09  2017-02-04T10:15:14.00
60.978172  59.666294   1.0    116    M82  1.500000e+09  2017-02-04T10:16
:24.00  60.978172  59.663494   1.0    117    M82  1.500000e+09  2017-02-
04T10:16:24.00  60.978172  59.663494   1.0    132    M82  1.500000e+09
2017-02-04T10:17:34.00  60.978172  59.667694   1.0    133    M82  1.5000
00e+09  2017-02-04T10:17:34.00  60.978172  59.667694   1.0    148    M82
  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1.0    14
9    M82  1.500000e+09  2017-02-04T10:18:44.00  60.978172  59.663502   1
.0    164    M82  1.500000e+09  2017-02-04T10:19:55.00  60.978172  59.66
6298   1.0    165    M82  1.500000e+09  2017-02-04T10:19:55.00  60.97817
2  59.666298   1.0    180    M82  1.500000e+09  2017-02-04T10:21:06.00
60.978172  59.677479   1.0    181    M82  1.500000e+09  2017-02-04T10:21
:06.00  60.978172  59.677479   1.0    196    M82  1.500000e+09  2017-02-
04T10:22:16.00  60.978172  59.667694   1.0    197    M82  1.500000e+09
2017-02-04T10:22:16.00  60.978172  59.667694   1.0                  TDIM
7  TUNIT7    CTYPE1        CRVAL1  ...          GUIDEVER  \ 52   (16384,
1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    53   (1
6384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    68
   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
   69   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.
10.1    84   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL
ver2.10.1    85   (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GB
TIDL ver2.10.1    100  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ..
.  GBTIDL ver2.10.1    101  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+1
0  ...  GBTIDL ver2.10.1    116  (16384,1,1,1)  Counts  FREQ-OBS  8.7228
49e+10  ...  GBTIDL ver2.10.1    117  (16384,1,1,1)  Counts  FREQ-OBS  8
.722849e+10  ...  GBTIDL ver2.10.1    132  (16384,1,1,1)  Counts  FREQ-O
BS  8.722849e+10  ...  GBTIDL ver2.10.1    133  (16384,1,1,1)  Counts  F
REQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    148  (16384,1,1,1)  Coun
ts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    149  (16384,1,1,1)
 Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    164  (16384,1,
1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    165  (163
84,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1    180
 (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10.1
 181  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ver2.10
.1    196  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTIDL ve
r2.10.1    197  (16384,1,1,1)  Counts  FREQ-OBS  8.722849e+10  ...  GBTI
DL ver2.10.1          FITSVER      EXTNAME  CTYPE4 FITSINDEX
     UTC  CHAN PROC  \ 52       1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:11:43  None  Nod    53       1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:11:43  None  Nod    68       1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:12:53  None  Nod    69       1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:12:53  None  Nod    84       1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:14:04  None  Nod    85       1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:14:04  None  Nod    100      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    101
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:15:14  None  Nod    1
16      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  None  No
d    117      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:16:24  No
ne  Nod    132      1.9  SINGLE DISH  STOKES         0 2017-02-04 10:17:
34  None  Nod    133      1.9  SINGLE DISH  STOKES         0 2017-02-04
10:17:34  None  Nod    148      1.9  SINGLE DISH  STOKES         0 2017-
02-04 10:18:44  None  Nod    149      1.9  SINGLE DISH  STOKES         0
 2017-02-04 10:18:44  None  Nod    164      1.9  SINGLE DISH  STOKES
     0 2017-02-04 10:19:55  None  Nod    165      1.9  SINGLE DISH  STOK
ES         0 2017-02-04 10:19:55  None  Nod    180      1.9  SINGLE DISH
  STOKES         0 2017-02-04 10:21:06  None  Nod    181      1.9  SINGL
E DISH  STOKES         0 2017-02-04 10:21:06  None  Nod    196      1.9
 SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod    197
  1.9  SINGLE DISH  STOKES         0 2017-02-04 10:22:16  None  Nod
    OBSTYPE  SUBOBSMODE   52     NONE     TPNOCAL   53     NONE     TPNO
CAL   68     NONE     TPNOCAL   69     NONE     TPNOCAL   84     NONE
  TPNOCAL   85     NONE     TPNOCAL   100    NONE     TPNOCAL   101    N
ONE     TPNOCAL   116    NONE     TPNOCAL   117    NONE     TPNOCAL   13
2    NONE     TPNOCAL   133    NONE     TPNOCAL   148    NONE     TPNOCA
L   149    NONE     TPNOCAL   164    NONE     TPNOCAL   165    NONE
TPNOCAL   180    NONE     TPNOCAL   181    NONE     TPNOCAL   196    NON
E     TPNOCAL   197    NONE     TPNOCAL    [20 rows x 99 columns],)
2026-05-14T16:00:18-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.__i
nit__()
2026-05-14T16:00:21-0700 - DYSH v1.1.0 : dysh.fits.gbtfitsload.GBTFITSLo
ad.getnod(scan=[131, 133, 135, 137, 139],ifnum=1,plnum=0,t_sys=[[np.floa
t64(108.22387107748688)], [np.float64(143.54009942913794)]],zenith_opaci
ty=0.0599070412,units='Ta*',)
2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.scan.ScanBlock.tim
eaverage()
2026-05-14T16:00:22-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
__init__(flux=<MaskedQuantity [        , -0.07918082, -0.01101417, ...,
 0.28614683,                   0.29800966,  0.64951734] K>,wcs=WCS Keywo
rds  Number of WCS axes: 4 CTYPE : 'FREQ' 'RA' 'DEC' 'STOKES' CUNIT : 'H
z' 'deg' 'deg' '' CRVAL : 87228489084.0 148.94971752154765 69.6497394100
3959 -6.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0
0.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3
_4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT :
 91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={'OBJECT': 'M82',
'BANDWID': 1500000000.0, 'DATE-OBS': '2017-02-04T10:11:43.00', 'DURATION
': np.float64(304.89086151123047), 'EXPOSURE': np.float64(298.3314766121
591), 'TSYS': np.float64(121.02359518771574), 'TDIM7': '(16384,1,1,1)',
'TUNIT7': 'K', 'CTYPE1': 'FREQ-OBS', 'CRVAL1': 87228489084.0, 'CRPIX1':
8193.0, 'CDELT1': 91552.734375, 'CTYPE2': 'RA', 'CRVAL2': np.float64(148
.94971752154765), 'CTYPE3': 'DEC', 'CRVAL3': np.float64(69.6497394100395
9), 'CRVAL4': -6, 'OBSERVER': 'Dom Pesce', 'OBSID': 'unknown', 'SCAN': 1
31, 'OBSMODE': 'Nod:NONE:TPNOCAL', 'FRONTEND': 'Rcvr68_92', 'TCAL': np.f
loat64(1.0), 'VELDEF': 'OPTI-BAR', 'VFRAME': 5241.161782043649, 'RVSYS':
 0.0, 'OBSFREQ': 87228489084.0, 'LST': 49886.57916905915, 'AZIMUTH': 334
.4132429832569, 'ELEVATIO': 46.497692750558066, 'TAMBIENT': 261.45001220
703125, 'PRESSURE': 699.2300046755845, 'HUMIDITY': 0.6909999847412109, '
RESTFREQ': 87230000000.0, 'DOPFREQ': 86400000000.0, 'FREQRES': 91552.734
375, 'EQUINOX': 2000.0, 'RADESYS': 'FK5', 'TRGTLONG': 148.9695833333333,
 'TRGTLAT': 69.67944444444444, 'SAMPLER': 'B2_0', 'FEED': 1, 'SRFEED': 0
, 'FEEDXOFF': 0.0, 'FEEDEOFF': 0.0, 'SUBREF_STATE': 1, 'SIDEBAND': 'U',
'PROCSEQN': 1, 'PROCSIZE': 2, 'PROCSCAN': 'BEAM1', 'PROCTYPE': 'SIMPLE',
 'LASTON': 0, 'LASTOFF': 0, 'TIMESTAMP': '2017_02_04_10:11:43', 'QD_XEL'
: -0.0017257548370722825, 'QD_EL': 0.001033652915095047, 'QD_BAD': 0, 'Q
D_METHOD': 'A', 'VELOCITY': 0.0, 'FOFFREF1': 0.0, 'ZEROCHAN': nan, 'ADCS
AMPF': 3000000000.0, 'VSPDELT': 512.0, 'VSPRVAL': 16.0, 'VSPRPIX': 8192.
0, 'SIG': 'T', 'CAL': 'F', 'CALTYPE': 'LOW', 'TWARM': 263.18359375, 'TCO
LD': 18.5546875, 'CALPOSITION': 'Observing', 'BACKEND': 'VEGAS', 'PROJID
': 'AGBT15B_244_07', 'TELESCOP': 'NRAO_GBT', 'SITELONG': -79.83983, 'SIT
ELAT': 38.43312, 'SITEELEV': 824.595, 'IFNUM': 1, 'PLNUM': 0, 'FDNUM': 0
, 'INT': 0, 'NSAVE': -1, 'HDU': 1, 'BINTABLE': 0, 'ROW': 52, 'SIMPLE': T
rue, 'EXTEND': True, 'DATE': '2025-05-27', 'ORIGIN': 'NRAO Green Bank',
'GUIDEVER': 'GBTIDL ver2.10.1', 'FITSVER': '1.9', 'EXTNAME': 'SINGLE DIS
H', 'CTYPE4': 'STOKES', 'FITSINDEX': 0, 'PROC': 'Nod', 'OBSTYPE': 'NONE'
, 'SUBOBSMODE': 'TPNOCAL', 'CUNIT1': 'Hz', 'CUNIT2': 'deg', 'CUNIT3': 'd
eg', 'RESTFRQ': np.float64(87230000000.0), 'BUNIT': 'K', 'TSCALE': 'Ta*'
, 'NAXIS1': 16384, 'TSCALFAC': np.float64(3.132414901397774), 'AP_EFF':
np.float64(0.35010735602106374), 'SURF_ERR': np.float64(229.999999999999
94), 'SE_UNIT': 'micron', 'MJD-OBS': np.float64(57788.42480324074), 'MEA
NTSYS': np.float64(108.22387107748688), 'WTTSYS': np.float64(108.2238710
7748688), 'TAU_Z': np.float64(0.05990704119999998)},velocity_convention=
'optical',radial_velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.72
3e+10 Hz>,observer=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, lo
cation=(0.0, 0.0, 0.0) km): (x, y, z) in m     (882593.9465029, -4924896
.36541728, 3943748.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)
>,target=<SkyCoord (FK5: equinox=J2000.000): (ra, dec, distance) in (deg
, deg, kpc)     (148.94971752, 69.64973941, 1000000.)  (pm_ra_cosdec, pm
_dec, radial_velocity) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>
,mask=array([ True, False, False, ..., False, False, False], shape=(1638
4,)),)
2026-05-14T16:00:48-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
baseline(15,model='poly',exclude=[(<Quantity 86.47848908 GHz>, <Quantity
 86.52426545 GHz>), (<Quantity 87.2 GHz>, <Quantity 87.3 GHz>), (<Quanti
ty 87.93271272 GHz>, <Quantity 87.97839753 GHz>)],remove=True,)
2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
__init__(flux=<MaskedQuantity [        , -0.38167784, -0.42788408, ...,
 0.29981571,                   0.28108434, -0.23835116] K>,wcs=WCS Keywo
rds  Number of WCS axes: 4 CTYPE : 'FREQ' 'RA' 'DEC' 'STOKES' CUNIT : 'H
z' 'deg' 'deg' '' CRVAL : 87228489084.0 148.93912271827946 69.6332217677
1119 1.0 CRPIX : 8193.0 0.0 0.0 0.0 PC1_1 PC1_2 PC1_3 PC1_4  : 1.0 0.0 0
.0 0.0 PC2_1 PC2_2 PC2_3 PC2_4  : 0.0 1.0 0.0 0.0 PC3_1 PC3_2 PC3_3 PC3_
4  : 0.0 0.0 1.0 0.0 PC4_1 PC4_2 PC4_3 PC4_4  : 0.0 0.0 0.0 1.0 CDELT :
91552.734375 1.0 1.0 1.0 NAXIS : 16384  0  0  0,meta={'OBJECT': 'M82', '
BANDWID': 1500000000.0, 'DATE-OBS': '2017-02-04T10:11:43.00', 'DURATION'
: np.float64(609.7817230224609), 'EXPOSURE': np.float64(596.662953224318
2), 'TSYS': np.float64(108.43737062628821), 'TDIM7': '(16384,1,1,1)', 'T
UNIT7': 'K', 'CTYPE1': 'FREQ-OBS', 'CRVAL1': 87228489084.0, 'CRPIX1': 81
93.0, 'CDELT1': 91552.734375, 'CTYPE2': 'RA', 'CRVAL2': np.float64(148.9
3912271827946), 'CTYPE3': 'DEC', 'CRVAL3': np.float64(69.63322176771119)
, 'CRVAL4': 1, 'OBSERVER': 'Dom Pesce', 'OBSID': 'unknown', 'SCAN': 131,
 'OBSMODE': 'Nod:NONE:TPNOCAL', 'FRONTEND': 'Rcvr68_92', 'TCAL': np.floa
t64(1.0), 'VELDEF': 'OPTI-BAR', 'VFRAME': 5241.161782043649, 'RVSYS': 0.
0, 'OBSFREQ': 87228489084.0, 'LST': 49886.57916905915, 'AZIMUTH': 334.41
32429832569, 'ELEVATIO': 46.497692750558066, 'TAMBIENT': 261.45001220703
125, 'PRESSURE': 699.2300046755845, 'HUMIDITY': 0.6909999847412109, 'RES
TFREQ': 87230000000.0, 'DOPFREQ': 86400000000.0, 'FREQRES': 91552.734375
, 'EQUINOX': 2000.0, 'RADESYS': 'FK5', 'TRGTLONG': 148.9695833333333, 'T
RGTLAT': 69.67944444444444, 'SAMPLER': 'B1_0', 'FEED': 1, 'SRFEED': 0, '
FEEDXOFF': 0.0, 'FEEDEOFF': 0.0, 'SUBREF_STATE': 1, 'SIDEBAND': 'U', 'PR
OCSEQN': 1, 'PROCSIZE': 2, 'PROCSCAN': 'BEAM1', 'PROCTYPE': 'SIMPLE', 'L
ASTON': 0, 'LASTOFF': 0, 'TIMESTAMP': '2017_02_04_10:11:43', 'QD_XEL': -
0.0017257548370722825, 'QD_EL': 0.001033652915095047, 'QD_BAD': 0, 'QD_M
ETHOD': 'A', 'VELOCITY': 0.0, 'FOFFREF1': 0.0, 'ZEROCHAN': nan, 'ADCSAMP
F': 3000000000.0, 'VSPDELT': 512.0, 'VSPRVAL': 16.0, 'VSPRPIX': 8192.0,
'SIG': 'T', 'CAL': 'F', 'CALTYPE': 'LOW', 'TWARM': 263.18359375, 'TCOLD'
: 18.5546875, 'CALPOSITION': 'Observing', 'BACKEND': 'VEGAS', 'PROJID':
'AGBT15B_244_07', 'TELESCOP': 'NRAO_GBT', 'SITELONG': -79.83983, 'SITELA
T': 38.43312, 'SITEELEV': 824.595, 'IFNUM': 1, 'PLNUM': 1, 'FDNUM': 0, '
INT': 0, 'NSAVE': -1, 'HDU': 1, 'BINTABLE': 0, 'ROW': 54, 'SIMPLE': True
, 'EXTEND': True, 'DATE': '2025-05-27', 'ORIGIN': 'NRAO Green Bank', 'GU
IDEVER': 'GBTIDL ver2.10.1', 'FITSVER': '1.9', 'EXTNAME': 'SINGLE DISH',
 'CTYPE4': 'STOKES', 'FITSINDEX': 0, 'PROC': 'Nod', 'OBSTYPE': 'NONE', '
SUBOBSMODE': 'TPNOCAL', 'CUNIT1': 'Hz', 'CUNIT2': 'deg', 'CUNIT3': 'deg'
, 'RESTFRQ': np.float64(87230000000.0), 'BUNIT': 'K', 'TSCALE': 'Ta*', '
NAXIS1': 16384, 'TSCALFAC': np.float64(3.132414901397774), 'AP_EFF': np.
float64(0.3501073560210638), 'SURF_ERR': np.float64(230.0), 'SE_UNIT': '
micron', 'MJD-OBS': np.float64(57788.42480324074), 'MEANTSYS': np.float6
4(137.12980829151758), 'WTTSYS': np.float64(137.12980829151758), 'TAU_Z'
: np.float64(0.05990704119999999)},velocity_convention='optical',radial_
velocity=<Quantity 0. km / s>,rest_value=<Quantity 8.723e+10 Hz>,observe
r=<ITRS Coordinate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0,
 0.0) km): (x, y, z) in m     (882593.9465029, -4924896.36541728, 394374
8.74743984)  (v_x, v_y, v_z) in km / s     (0., 0., 0.)>,target=<SkyCoor
d (FK5: equinox=J2000.000): (ra, dec, distance) in (deg, deg, kpc)     (
148.93912272, 69.63322177, 1000000.)  (pm_ra_cosdec, pm_dec, radial_velo
city) in (mas / yr, mas / yr, km / s)     (0., 0., 0.)>,mask=array([ Tru
e, False, False, ..., False, False, False], shape=(16384,)),)
2026-05-14T16:00:55-0700 - DYSH v1.1.0 : dysh.spectra.spectrum.Spectrum.
average(<Spectrum(flux=[nan ... -0.8462393430229553] K (shape=(16384,),
mean=0.00415 K); spectral_axis=<SpectralAxis     (observer: <ITRS Coordi
nate (obstime=2017-02-04T10:11:43.000, location=(0.0, 0.0, 0.0) km): (x,
 y, z) in m                   (882593.9465029, -4924896.36541728, 394374
8.74743984)                (v_x, v_y, v_z) in km / s                   (
0., 0., 0.)>     target: <SkyCoord (FK5: equinox=J2000.000): (ra, dec, d
istance) in (deg, deg, kpc)                 (148.93190837, 69.62197437,
1000000.)              (pm_ra_cosdec, pm_dec, radial_velocity) in (mas /
 yr, mas / yr, km / s)                 (0., 0., 0.)>     observer to tar
get (computed from above):       radial_velocity=5.237210620097223 km /
s       redshift=1.7469606812259286e-05     doppler_rest=87230000000.0 H
z     doppler_convention=optical)   [8.64784891e+10 8.64785806e+10 8.647
86722e+10 ... 8.79782144e+10  8.79783060e+10 8.79783975e+10] Hz> (length
=16384))>,)

The data table contains the spectral axis, flux, mask and other columns which are not used at the moment. For example, if we want to plot the data we can use the following

x = data["spectral_axis"]*1e-9 # Convert to GHz.
y = np.ma.masked_where(data["mask"], data["flux"]) # We need to mask the flux values.
plt.figure(dpi=150)
plt.plot(x, y)
plt.ylabel(r"$T_{A}^{*}$ (K)")
plt.xlabel(r"Frequency (GHz)")
plt.show()
/bigdisk/src/dysh/.venv/lib/python3.12/site-packages/traitlets/traitlets.py:1385: DeprecationWarning: Passing unrecognized arguments to super(Toolbar).__init__().
NavigationToolbar2WebAgg.__init__() missing 1 required positional argument: 'canvas'
This is deprecated in traitlets 4.2.This error will be raised in a future release of traitlets.
  warn(

Final Stats#

Finally, at the end we compute some statistics over a spectrum, merely as a checksum if the notebook is reproducible.

read_spec_smo.check_stats(0.04375961 * u.K)
16:01:00.450 I Note: found 92 NaN (masked) values
16:01:00.451 I rms is OK 
# radiometer on one pre-Ta* corrected window
nod_ta[0,0][2000:7000].radiometer(roll=1)  # 1.0398
16:01:00.955 I Note: found 20 NaN (masked) values
np.float64(1.0398178385707268)