! Started logfile: 0920-397_X.log on Tue Mar  4 20:59:07 2008
observe 0920-397_X.edt
! Reading UV FITS file: 0920-397_X.edt
! AN table 1: 11 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.147059 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0920-397
! 
! 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 1230 lines of history.
! 
! Reading 880 visibilities.
![@gonzo8-0.1 0920-397_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 = 1.8
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 129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 131 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 130 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.191032Jy  sigma=0.003331
! Fit after  self-cal, rms=0.191303Jy  sigma=0.003335
! 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=0.6286 mas, bmaj=1.987 mas, bpa=-6.144 degrees
! Estimated noise=2584.91 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 = 0.881309 Jy
! Total flux subtracted in 50 components = 0.881309 Jy
! Clean residual min=-0.067561 max=0.245781 Jy/beam
! Clean residual mean=-0.000616 rms=0.030579 Jy/beam
! Combined flux in latest and established models = 0.881309 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 0.881309 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.284185Jy  sigma=0.004977
! Fit after  self-cal, rms=0.284185Jy  sigma=0.004977
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.205074 Jy
! Total flux subtracted in 50 components = 0.205074 Jy
! Clean residual min=-0.030257 max=0.071271 Jy/beam
! Clean residual mean=-0.000346 rms=0.012310 Jy/beam
! Combined flux in latest and established models = 1.08638 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 12 components and 1.08638 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137027Jy  sigma=0.002292
! Fit after  self-cal, rms=0.137021Jy  sigma=0.002292
! 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=0.6803 mas, bmaj=2.097 mas, bpa=-6.998 degrees
! Estimated noise=1844.26 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 = 0.0882892 Jy
! Component: 100  -  total flux cleaned = 0.132865 Jy
! Total flux subtracted in 100 components = 0.132865 Jy
! Clean residual min=-0.012332 max=0.020789 Jy/beam
! Clean residual mean=-0.000232 rms=0.004248 Jy/beam
! Combined flux in latest and established models = 1.21925 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 29 components and 1.21925 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085674Jy  sigma=0.001145
! Fit after  self-cal, rms=0.085654Jy  sigma=0.001144
! 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        1.00*    FD        0.98     GC        1.00*    HN        1.00*    
!   KK        1.01     KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.01     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        0.98     SC        1.02     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     GC        1.00*    HN        1.00*    
!   KK        1.01     KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.01     NL        0.98     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        0.98     SC        1.02     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     GC        1.00*    HN        1.00*    
!   KK        1.02     KP        0.99     LA        0.98     MC        1.00*    
!   MK        1.01     NL        0.98     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        0.98     SC        1.01     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     GC        1.00*    HN        1.00*    
!   KK        1.03     KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.02     NL        0.98     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        0.98     SC        1.02     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.085654Jy  sigma=0.001144
! Fit after  self-cal, rms=0.080208Jy  sigma=0.001023
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6869 mas, bmaj=2.112 mas, bpa=-7.05 degrees
! Estimated noise=1813.81 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 = 0.00190231 Jy
! Component: 100  -  total flux cleaned = 0.00156949 Jy
! Total flux subtracted in 100 components = 0.00156949 Jy
! Clean residual min=-0.007750 max=0.009826 Jy/beam
! Clean residual mean=-0.000097 rms=0.002131 Jy/beam
! Combined flux in latest and established models = 1.22082 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 32 components and 1.22082 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080150Jy  sigma=0.001021
! Fit after  self-cal, rms=0.080129Jy  sigma=0.001021
! 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 = -0.00011468 Jy
! Component: 100  -  total flux cleaned = -0.000341267 Jy
! Total flux subtracted in 100 components = -0.000341267 Jy
! Clean residual min=-0.007719 max=0.009544 Jy/beam
! Clean residual mean=-0.000098 rms=0.002114 Jy/beam
! Combined flux in latest and established models = 1.22048 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 35 components and 1.22048 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080114Jy  sigma=0.001020
! Fit after  self-cal, rms=0.079930Jy  sigma=0.001018
! Inverting map and beam 
! Estimated beam: bmin=0.6863 mas, bmaj=2.112 mas, bpa=-7.067 degrees
! Estimated noise=1812.68 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 = 0.00126131 Jy
! Component: 100  -  total flux cleaned = 0.0013199 Jy
! Total flux subtracted in 100 components = 0.0013199 Jy
! Clean residual min=-0.007811 max=0.009237 Jy/beam
! Clean residual mean=-0.000094 rms=0.002089 Jy/beam
! Combined flux in latest and established models = 1.2218 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 40 components and 1.2218 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079879Jy  sigma=0.001017
! Fit after  self-cal, rms=0.079864Jy  sigma=0.001017
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0920-397_X
! Writing UV FITS file: 0920-397_X.uvf
! Writing 40 model components to file: 0920-397_X.mod
! wwins: Wrote 1 windows to 0920-397_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6863 x 2.112 at -7.067 degrees (North through East)
! Clean map  min=-0.0074215  max=1.1209 Jy/beam
! Writing clean map to FITS file: 0920-397_X.fits
! Writing difmap environment to: 0920-397_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0920-397_X]
device 0920-397_Xuv.ps/vps,1,2
! Attempting to open device: '0920-397_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0920-397_Xim.ps/vps
! Attempting to open device: '0920-397_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=0.6863 mas, bmaj=2.112 mas, bpa=-7.067 degrees
! Estimated noise=1812.68 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6863 x 2.112 at -7.067 degrees (North through East)
! Clean map  min=-0.0074215  max=1.1209 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0920-397_X.log closed on Tue Mar  4 20:59:11 2008