! Started logfile: 1955+335_X.log on Fri Aug  4 08:55:23 2006
observe 1955+335_X.edt
! Reading UV FITS file: 1955+335_X.edt
! AN table 1: 322 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.17728 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1955+335
! 
! 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 1409 lines of history.
! 
! Reading 43384 visibilities.
![@gonzo8-0.1 1955+335_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 4076 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 4084 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 4011 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 4038 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.883872Jy  sigma=0.013088
! Fit after  self-cal, rms=0.883292Jy  sigma=0.013094
! 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=0.5135 mas, bmaj=0.866 mas, bpa=-4.455 degrees
! Estimated noise=654.941 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 = 0.0922807 Jy
! Total flux subtracted in 50 components = 0.0922807 Jy
! Clean residual min=-0.005013 max=0.025760 Jy/beam
! Clean residual mean=-0.000021 rms=0.001151 Jy/beam
! Combined flux in latest and established models = 0.0922807 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 0.0922807 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090160Jy  sigma=0.001192
! Fit after  self-cal, rms=0.090160Jy  sigma=0.001192
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0201403 Jy
! Total flux subtracted in 50 components = 0.0201403 Jy
! Clean residual min=-0.003437 max=0.005708 Jy/beam
! Clean residual mean=-0.000004 rms=0.000803 Jy/beam
! Combined flux in latest and established models = 0.112421 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.112421 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085928Jy  sigma=0.001136
! Fit after  self-cal, rms=0.085928Jy  sigma=0.001136
! 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=0.6993 mas, bmaj=1.136 mas, bpa=-13.16 degrees
! Estimated noise=264.624 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 = 0.00629601 Jy
! Component: 100  -  total flux cleaned = 0.00882073 Jy
! Total flux subtracted in 100 components = 0.00882073 Jy
! Clean residual min=-0.003158 max=0.002855 Jy/beam
! Clean residual mean=-0.000001 rms=0.000648 Jy/beam
! Combined flux in latest and established models = 0.121242 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 11 components and 0.121242 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085444Jy  sigma=0.001131
! Fit after  self-cal, rms=0.085443Jy  sigma=0.001131
! 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 114 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.05     GC        0.91     HN        1.00     
!   LA        1.00     NL        0.97     OV        1.02     SC        0.87     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.94     
!   KP        1.03     MA        1.00*    MC        0.87     MK        1.03     
!   NY        0.94     TS        1.04     WZ        0.93     PT        1.06     
! 
! 
! Correcting IF 2.
!  A total of 111 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.03     GC        0.95     HN        1.02     
!   LA        1.02     NL        0.93     OV        1.03     SC        1.16     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.92     
!   KP        1.01     MA        1.00*    MC        0.89     MK        1.06     
!   NY        0.94     TS        1.03     WZ        0.96     PT        1.09     
! 
! 
! Correcting IF 3.
!  A total of 45 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.01     GC        0.93     HN        1.02     
!   LA        0.98     NL        0.92     OV        0.99     SC        0.86     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.94     
!   KP        0.98     MA        1.00*    MC        1.11     MK        1.03     
!   NY        1.01     TS        1.01     WZ        0.94     PT        1.09     
! 
! 
! Correcting IF 4.
!  A total of 114 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        0.94     HN        1.00     
!   LA        0.92     NL        0.87     OV        0.97     SC        0.94     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.93     
!   KP        0.98     MA        1.00*    MC        0.95     MK        0.99     
!   NY        0.94     TS        1.04     WZ        0.96     PT        1.06     
! 
! 
! Fit before self-cal, rms=0.085443Jy  sigma=0.001131
! Fit after  self-cal, rms=0.082601Jy  sigma=0.001126
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7068 mas, bmaj=1.131 mas, bpa=-14.38 degrees
! Estimated noise=264.857 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 = 0.000993843 Jy
! Component: 100  -  total flux cleaned = 0.0010977 Jy
! Total flux subtracted in 100 components = 0.0010977 Jy
! Clean residual min=-0.001906 max=0.002422 Jy/beam
! Clean residual mean=-0.000007 rms=0.000518 Jy/beam
! Combined flux in latest and established models = 0.122339 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 14 components and 0.122339 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082587Jy  sigma=0.001126
! Fit after  self-cal, rms=0.082571Jy  sigma=0.001126
! 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 = 5.78405e-05 Jy
! Component: 100  -  total flux cleaned = 0.000127291 Jy
! Total flux subtracted in 100 components = 0.000127291 Jy
! Clean residual min=-0.001911 max=0.002409 Jy/beam
! Clean residual mean=-0.000007 rms=0.000517 Jy/beam
! Combined flux in latest and established models = 0.122467 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 19 components and 0.122467 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082569Jy  sigma=0.001126
! Fit after  self-cal, rms=0.083310Jy  sigma=0.001108
! Inverting map and beam 
! Estimated beam: bmin=0.7063 mas, bmaj=1.13 mas, bpa=-14.16 degrees
! Estimated noise=266.778 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 = 0.000692389 Jy
! Component: 100  -  total flux cleaned = 0.000981924 Jy
! Total flux subtracted in 100 components = 0.000981924 Jy
! Clean residual min=-0.001532 max=0.001917 Jy/beam
! Clean residual mean=-0.000001 rms=0.000412 Jy/beam
! Combined flux in latest and established models = 0.123449 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 27 components and 0.123449 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083305Jy  sigma=0.001108
! Fit after  self-cal, rms=0.083310Jy  sigma=0.001108
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1955+335_X
! Writing UV FITS file: 1955+335_X.uvf
! Writing 27 model components to file: 1955+335_X.mod
! wwins: Wrote 1 windows to 1955+335_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7063 x 1.13 at -14.16 degrees (North through East)
! Clean map  min=-0.0014973  max=0.11863 Jy/beam
! Writing clean map to FITS file: 1955+335_X.fits
! Writing difmap environment to: 1955+335_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1955+335_X]
device 1955+335_Xuv.ps/vps,1,2
! Attempting to open device: '1955+335_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1955+335_Xim.ps/vps
! Attempting to open device: '1955+335_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=0.7063 mas, bmaj=1.13 mas, bpa=-14.16 degrees
! Estimated noise=266.778 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7063 x 1.13 at -14.16 degrees (North through East)
! Clean map  min=-0.0014973  max=0.11863 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1955+335_X.log closed on Fri Aug  4 08:56:05 2006