! Started logfile: 1741-03Z_Z.log on Tue Nov 12 11:36:23 1996
observe 1741-03Z_Z.edt
! Reading UV FITS file: 1741-03Z_Z.edt
! AN table 1: 42 integrations on 44 of 45 possible baselines.
! Apparent sampling: 0.63961 visibilities/baseline/integration-bin.
! Found source: 1741-03Z
! 
! Number of spectral-line channels: 1
! 
! IF    Freq (Hz)  Chan BW (Hz)  Full BW (Hz)  Sideband
! 01  1.49105e+10         8e+06         8e+06       USB
! 02  1.49205e+10         8e+06         8e+06       USB
! 03  1.49505e+10         8e+06         8e+06       USB
! 04  1.50105e+10         8e+06         8e+06       USB
! 05  1.51205e+10         8e+06         8e+06       USB
! 06  1.52005e+10         8e+06         8e+06       USB
! 07  1.52505e+10         8e+06         8e+06       USB
! 08  1.52705e+10         8e+06         8e+06       USB
! 
! Polarization(s): RR
! 
! Read 520 lines of history.
! 
! Reading 9456 visibilities.
! Selecting polarization: RR,  channels: 1..1
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
float win_mult
win_mult = 1.8
float solint
solint = 4.0/6.0
logical doflt
doflt = true
logical doamp
float new_peak
float flux_cutoff
mapsize field_size,field_cell
! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize.
startmod
! Applying default point source starting model.
! Performing phase self-cal
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 1 Jy
! 
! Correcting IF 1.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 5.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 6.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 7.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 8.
!  A total of 141 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=3.140612Jy  sigma=17.707847
! Fit after  self-cal, rms=3.147360Jy  sigma=17.743649
! 
! Reinstating the default IF.
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvweight 2,-1
! Uniform weighting binwidth: 2 (pixels).
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.4366 mas, bmaj=1.081 mas, bpa=8.012 degrees
! Estimated noise=2.16497 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 3.08977 Jy
! Total flux subtracted in 50 components = 3.08977 Jy
! Clean residual min=-0.156641 max=0.861867 Jy/beam
! Clean residual mean=-0.000347 rms=0.059093 Jy/beam
! Combined flux in latest and established models = 3.08977 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 3.08977 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=1.142566Jy  sigma=6.398816
! Fit after  self-cal, rms=1.142566Jy  sigma=6.398816
! 
! Reinstating the default IF.
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.706699 Jy
! Total flux subtracted in 50 components = 0.706699 Jy
! Clean residual min=-0.113934 max=0.253175 Jy/beam
! Clean residual mean=-0.000238 rms=0.029326 Jy/beam
! Combined flux in latest and established models = 3.79647 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 3.79647 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.605181Jy  sigma=3.376576
! Fit after  self-cal, rms=0.605115Jy  sigma=3.376229
! 
! Reinstating the default IF.
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.264711 Jy
! Total flux subtracted in 50 components = 0.264711 Jy
! Clean residual min=-0.100160 max=0.124440 Jy/beam
! Clean residual mean=-0.000196 rms=0.023390 Jy/beam
! Combined flux in latest and established models = 4.06118 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 18 components and 4.06118 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.472622Jy  sigma=2.639111
! Fit after  self-cal, rms=0.472557Jy  sigma=2.638728
! 
! Reinstating the default IF.
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Uniform Weighting CLEAN ***"
! *** Finished Uniform Weighting CLEAN *** 
print "****************************************"
! **************************************** 
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
win_mult = win_mult * 1.6
clean_niter = clean_niter * 2
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.5253 mas, bmaj=1.264 mas, bpa=7.493 degrees
! Estimated noise=1.34142 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.202803 Jy
! Component: 100  -  total flux cleaned = 0.317135 Jy
! Total flux subtracted in 100 components = 0.317135 Jy
! Clean residual min=-0.071995 max=0.100027 Jy/beam
! Clean residual mean=-0.000335 rms=0.018789 Jy/beam
! Combined flux in latest and established models = 4.37831 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 29 components and 4.37831 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.384084Jy  sigma=2.154723
! Fit after  self-cal, rms=0.383902Jy  sigma=2.153688
! 
! Reinstating the default IF.
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.96     HN        1.05     KP        1.02     
!   LA        0.97     MK        1.02     NL        1.10     OV        1.00     
!   PT        0.94     SC        1.08     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        0.96     HN        1.05     KP        1.02     
!   LA        0.98     MK        1.03     NL        1.05     OV        0.98     
!   PT        0.92     SC        1.07     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.94     FD        0.96     HN        1.04     KP        1.02     
!   LA        0.99     MK        1.02     NL        1.02     OV        0.96     
!   PT        0.94     SC        1.02     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        0.91     HN        1.05     KP        1.04     
!   LA        0.94     MK        1.00     NL        0.99     OV        0.95     
!   PT        0.96     SC        1.00     
! 
! 
! Correcting IF 5.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        0.90     HN        1.07     KP        1.04     
!   LA        0.96     MK        0.97     NL        0.99     OV        0.97     
!   PT        0.93     SC        1.04     
! 
! 
! Correcting IF 6.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.93     HN        1.08     KP        1.04     
!   LA        0.92     MK        1.00     NL        1.05     OV        0.98     
!   PT        0.99     SC        1.10     
! 
! 
! Correcting IF 7.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.96     HN        1.07     KP        1.07     
!   LA        0.94     MK        0.98     NL        1.04     OV        0.97     
!   PT        1.01     SC        0.98     
! 
! 
! Correcting IF 8.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.96     HN        1.05     KP        1.04     
!   LA        0.98     MK        0.99     NL        1.06     OV        0.97     
!   PT        1.02     SC        0.97     
! 
! 
! Fit before self-cal, rms=0.383902Jy  sigma=2.153688
! Fit after  self-cal, rms=0.242264Jy  sigma=1.338547
! 
! Reinstating the default IF.
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.5308 mas, bmaj=1.277 mas, bpa=7.635 degrees
! Estimated noise=1.33069 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.024591 Jy
! Component: 100  -  total flux cleaned = -0.0294807 Jy
! Total flux subtracted in 100 components = -0.0294807 Jy
! Clean residual min=-0.058036 max=0.058929 Jy/beam
! Clean residual mean=-0.000010 rms=0.011278 Jy/beam
! Combined flux in latest and established models = 4.34883 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 36 components and 4.34883 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.238196Jy  sigma=1.315007
! Fit after  self-cal, rms=0.238003Jy  sigma=1.314044
! 
! Reinstating the default IF.
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * 1.5
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00423724 Jy
! Component: 100  -  total flux cleaned = -0.00599344 Jy
! Total flux subtracted in 100 components = -0.00599344 Jy
! Clean residual min=-0.057241 max=0.057667 Jy/beam
! Clean residual mean=-0.000013 rms=0.011189 Jy/beam
! Combined flux in latest and established models = 4.34284 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 40 components and 4.34284 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.236309Jy  sigma=1.305006
! Fit after  self-cal, rms=0.127683Jy  sigma=0.671315
! 
! Reinstating the default IF.
! Inverting map and beam 
! Estimated beam: bmin=0.5311 mas, bmaj=1.28 mas, bpa=7.711 degrees
! Estimated noise=1.32829 mJy/beam.
doamp = false
solint = solint / 1.5
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00372537 Jy
! Component: 100  -  total flux cleaned = -0.00446877 Jy
! Total flux subtracted in 100 components = -0.00446877 Jy
! Clean residual min=-0.014620 max=0.013665 Jy/beam
! Clean residual mean=-0.000009 rms=0.002438 Jy/beam
! Combined flux in latest and established models = 4.33837 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 48 components and 4.33837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Fit before self-cal, rms=0.126513Jy  sigma=0.664284
! Fit after  self-cal, rms=0.126398Jy  sigma=0.663731
! 
! Reinstating the default IF.
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1741-03Z_Z
! Writing UV FITS file: 1741-03Z_Z.uvf
! Writing 48 model components to file: 1741-03Z_Z.mod
! wwins: Wrote 1 windows to 1741-03Z_Z.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5311 x 1.28 at 7.711 degrees (North through East)
! Clean map  min=-0.011377  max=4.0196 Jy/beam
! Writing clean map to FITS file: 1741-03Z_Z.fits
! Writing difmap environment to: 1741-03Z_Z.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
device 1741-03Z_Zuv.ps/vps,1,2
! Attempting to open device: '1741-03Z_Zuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
device 1741-03Z_Zim.ps/vps
! Attempting to open device: '1741-03Z_Zim.ps/vps'
cmul = 1.0
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
loglevs (imstat(rms)*3),20000,2
! Inverting map and beam 
! Estimated beam: bmin=0.5311 mas, bmaj=1.28 mas, bpa=7.711 degrees
! Estimated noise=1.32829 mJy/beam.
! The new contour levels are:
!  -0.00734746 0.00734746 0.0146949 0.0293898 0.0587797 0.117559 0.235119 0.470237 0.940475 1.88095 3.7619 7.5238 15.0476 30.0952 60.1904 120.381 240.762 481.523 963.046 1926.09 3852.19 7704.37 15408.7
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5311 x 1.28 at 7.711 degrees (North through East)
! Clean map  min=-0.011377  max=4.0196 Jy/beam
quit
! Quitting program
! Log file 1741-03Z_Z.log closed on Tue Nov 12 11:38:08 1996