! Started logfile: 1933-400_X.log on Sun Apr  1 01:37:05 2007
observe 1933-400_X.edt
! Reading UV FITS file: 1933-400_X.edt
! AN table 1: 182 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.14338 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1933-400
! 
! There are 4 IFs, and a total of 4 channels:
! 
!  IF  Channel    Frequency  Freq offset  Number of   Overall IF
!       origin    at origin  per channel   channels    bandwidth
!  ------------------------------------------------------------- (Hz)
!  01        1  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1241 lines of history.
! 
! Reading 10960 visibilities.
![@gonzo8-0.1_south 1933-400_X]
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 = 0.7
float solint
solint = 3.6/6.0
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.
select
! Selecting polarization: RR,  channels: 1..4
! Reading IF 1 channels: 1..1
! Reading IF 2 channels: 2..2
! Reading IF 3 channels: 3..3
! Reading IF 4 channels: 4..4
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 1772 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1772 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1772 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1772 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.234548Jy  sigma=0.003252
! Fit after  self-cal, rms=0.234526Jy  sigma=0.003252
! 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=0.7415 mas, bmaj=9.227 mas, bpa=-17.18 degrees
! Estimated noise=1038.4 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 = 0.771212 Jy
! Total flux subtracted in 50 components = 0.771212 Jy
! Clean residual min=-0.076569 max=0.215130 Jy/beam
! Clean residual mean=-0.001259 rms=0.031414 Jy/beam
! Combined flux in latest and established models = 0.771212 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 0.771212 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.329422Jy  sigma=0.005705
! Fit after  self-cal, rms=0.329422Jy  sigma=0.005705
! 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=1.068 mas, bmaj=10.01 mas, bpa=-16.55 degrees
! Estimated noise=488.617 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 = 0.230967 Jy
! Component: 100  -  total flux cleaned = 0.315192 Jy
! Total flux subtracted in 100 components = 0.315192 Jy
! Clean residual min=-0.038885 max=0.051764 Jy/beam
! Clean residual mean=-0.001260 rms=0.015106 Jy/beam
! Combined flux in latest and established models = 1.0864 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 29 components and 1.0864 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.183849Jy  sigma=0.002633
! Fit after  self-cal, rms=0.183838Jy  sigma=0.002632
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.05     HN        1.00*    KB        1.00*    
!   KP        1.18     LA        0.96     MK        1.03     NL        1.11     
!   NY        1.00*    OV        0.95     PT        0.94     SV        1.00*    
!   WF        1.08     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.99     HN        1.00*    KB        1.00*    
!   KP        0.94     LA        0.94     MK        0.99     NL        1.12     
!   NY        1.00*    OV        0.93     PT        0.94     SV        1.00*    
!   WF        1.10     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.06     HN        1.00*    KB        1.00*    
!   KP        1.01     LA        0.94     MK        0.99     NL        1.14     
!   NY        1.00*    OV        0.97     PT        0.93     SV        1.00*    
!   WF        1.09     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.06     HN        1.00*    KB        1.00*    
!   KP        0.97     LA        0.92     MK        1.02     NL        1.13     
!   NY        1.00*    OV        0.91     PT        0.93     SV        1.00*    
!   WF        1.07     WZ        1.00*    TC        1.00*    
! 
! 
! Fit before self-cal, rms=0.183838Jy  sigma=0.002632
! Fit after  self-cal, rms=0.162144Jy  sigma=0.001967
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.08 mas, bmaj=9.981 mas, bpa=-16.58 degrees
! Estimated noise=481.265 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 = 0.0121841 Jy
! Component: 100  -  total flux cleaned = 0.0126242 Jy
! Total flux subtracted in 100 components = 0.0126242 Jy
! Clean residual min=-0.035659 max=0.031850 Jy/beam
! Clean residual mean=-0.000209 rms=0.010625 Jy/beam
! Combined flux in latest and established models = 1.09903 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 30 components and 1.09903 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.159691Jy  sigma=0.001948
! Fit after  self-cal, rms=0.159740Jy  sigma=0.001948
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * (6.0/3.6)
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 = 0.000775703 Jy
! Component: 100  -  total flux cleaned = 0.000764118 Jy
! Total flux subtracted in 100 components = 0.000764118 Jy
! Clean residual min=-0.034962 max=0.030349 Jy/beam
! Clean residual mean=-0.000200 rms=0.010512 Jy/beam
! Combined flux in latest and established models = 1.09979 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 33 components and 1.09979 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158642Jy  sigma=0.001936
! Fit after  self-cal, rms=0.117903Jy  sigma=0.001092
! Inverting map and beam 
! Estimated beam: bmin=1.085 mas, bmaj=10.16 mas, bpa=-16.76 degrees
! Estimated noise=484.435 mJy/beam.
doamp = false
solint = solint / (6.0/3.6)
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 = -0.00178432 Jy
! Component: 100  -  total flux cleaned = -0.00197604 Jy
! Total flux subtracted in 100 components = -0.00197604 Jy
! Clean residual min=-0.009219 max=0.006733 Jy/beam
! Clean residual mean=0.000046 rms=0.002029 Jy/beam
! Combined flux in latest and established models = 1.09782 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 44 components and 1.09782 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117743Jy  sigma=0.001091
! Fit after  self-cal, rms=0.117778Jy  sigma=0.001091
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1933-400_X
! Writing UV FITS file: 1933-400_X.uvf
! Writing 44 model components to file: 1933-400_X.mod
! wwins: Wrote 1 windows to 1933-400_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.085 x 10.16 at -16.76 degrees (North through East)
! Clean map  min=-0.0089819  max=0.95104 Jy/beam
! Writing clean map to FITS file: 1933-400_X.fits
! Writing difmap environment to: 1933-400_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1933-400_X]
device 1933-400_Xuv.ps/vps,1,2
! Attempting to open device: '1933-400_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1933-400_Xim.ps/vps
! Attempting to open device: '1933-400_Xim.ps/vps'
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 -1,2048,2
! The new contour levels are:
!  -1 1 2 4 8 16 32 64 128 256 512 1024 2048
cmul = imstat(rms)*3
! Inverting map and beam 
! Estimated beam: bmin=1.085 mas, bmaj=10.16 mas, bpa=-16.76 degrees
! Estimated noise=484.435 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.085 x 10.16 at -16.76 degrees (North through East)
! Clean map  min=-0.0089819  max=0.95104 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1_south]
quit
! Quitting program
! Log file 1933-400_X.log closed on Sun Apr  1 01:37:22 2007