! Started logfile: 1921-293_S.log on Thu Feb  7 18:22:54 2008
observe 1921-293_S.edt
! Reading UV FITS file: 1921-293_S.edt
! AN table 1: 14 integrations on 136 of 136 possible baselines.
! AN table 2: 39 integrations on 136 of 136 possible baselines.
! AN table 3: 11 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.0697381 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1921-293
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1259 lines of history.
! 
! Reading 2428 visibilities.
![@gonzo5-0.4 1921-293_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 5.0
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 0.400x0.400 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 238 telescope corrections were flagged in sub-array 1.
!  A total of 610 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 610 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 610 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 610 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=8.437980Jy  sigma=0.108351
! Fit after  self-cal, rms=8.254107Jy  sigma=0.104666
! 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=2.505 mas, bmaj=8.481 mas, bpa=12.77 degrees
! Estimated noise=2411.59 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 = 6.13888 Jy
! Total flux subtracted in 50 components = 6.13888 Jy
! Clean residual min=-0.662613 max=2.107947 Jy/beam
! Clean residual mean=0.005909 rms=0.267881 Jy/beam
! Combined flux in latest and established models = 6.13888 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 16 components and 6.13888 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=3.560157Jy  sigma=0.045543
! Fit after  self-cal, rms=3.557934Jy  sigma=0.045521
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 2.18764 Jy
! Total flux subtracted in 50 components = 2.18764 Jy
! Clean residual min=-0.321466 max=0.953672 Jy/beam
! Clean residual mean=0.003030 rms=0.127590 Jy/beam
! Combined flux in latest and established models = 8.32651 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 34 components and 8.32651 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.728417Jy  sigma=0.022205
! Fit after  self-cal, rms=1.727238Jy  sigma=0.022196
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.00759 Jy
! Total flux subtracted in 50 components = 1.00759 Jy
! Clean residual min=-0.183394 max=0.450558 Jy/beam
! Clean residual mean=0.001705 rms=0.066517 Jy/beam
! Combined flux in latest and established models = 9.3341 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 42 components and 9.3341 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.924395Jy  sigma=0.011821
! Fit after  self-cal, rms=0.923574Jy  sigma=0.011816
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.483603 Jy
! Total flux subtracted in 50 components = 0.483603 Jy
! Clean residual min=-0.132377 max=0.259333 Jy/beam
! Clean residual mean=0.001065 rms=0.041104 Jy/beam
! Combined flux in latest and established models = 9.81771 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 54 components and 9.81771 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.580811Jy  sigma=0.007240
! Fit after  self-cal, rms=0.580089Jy  sigma=0.007235
! Inverting map 
! Added new window around map position (6.8, 6.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.282038 Jy
! Total flux subtracted in 50 components = 0.282038 Jy
! Clean residual min=-0.097727 max=0.166261 Jy/beam
! Clean residual mean=0.000667 rms=0.028423 Jy/beam
! Combined flux in latest and established models = 10.0997 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 64 components and 10.0997 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.411801Jy  sigma=0.004961
! Fit after  self-cal, rms=0.409403Jy  sigma=0.004942
! Inverting map 
! Added new window around map position (-3.6, -4.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.183525 Jy
! Total flux subtracted in 50 components = 0.183525 Jy
! Clean residual min=-0.074832 max=0.098555 Jy/beam
! Clean residual mean=0.000410 rms=0.020993 Jy/beam
! Combined flux in latest and established models = 10.2833 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 78 components and 10.2833 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.312822Jy  sigma=0.003628
! Fit after  self-cal, rms=0.311749Jy  sigma=0.003620
! 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=3.601 mas, bmaj=12.51 mas, bpa=12.42 degrees
! Estimated noise=1673.83 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 = 0.167766 Jy
! Component: 100  -  total flux cleaned = 0.25623 Jy
! Total flux subtracted in 100 components = 0.25623 Jy
! Clean residual min=-0.042863 max=0.053338 Jy/beam
! Clean residual mean=0.000342 rms=0.013220 Jy/beam
! Combined flux in latest and established models = 10.5395 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 36 model components to the UV plane model.
! The established model now contains 110 components and 10.5395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.218579Jy  sigma=0.002367
! Fit after  self-cal, rms=0.216170Jy  sigma=0.002347
! 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        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.02     KP        0.99     LA        1.00     MC        1.00*    
!   MK        0.96     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        0.99     LA        1.00     MC        1.00*    
!   MK        0.98     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.01     KP        0.99     LA        1.00     MC        1.00*    
!   MK        1.00     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.01     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.216170Jy  sigma=0.002347
! Fit after  self-cal, rms=0.209513Jy  sigma=0.002258
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.603 mas, bmaj=12.51 mas, bpa=12.41 degrees
! Estimated noise=1667.82 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 (7.2, -5.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0256076 Jy
! Component: 100  -  total flux cleaned = 0.0269579 Jy
! Total flux subtracted in 100 components = 0.0269579 Jy
! Clean residual min=-0.035480 max=0.040279 Jy/beam
! Clean residual mean=0.000004 rms=0.010693 Jy/beam
! Combined flux in latest and established models = 10.5665 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 131 components and 10.5665 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.194864Jy  sigma=0.002113
! Fit after  self-cal, rms=0.192994Jy  sigma=0.002097
! 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)
! Added new window around map position (57.2, -39.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0327564 Jy
! Component: 100  -  total flux cleaned = 0.0349048 Jy
! Total flux subtracted in 100 components = 0.0349048 Jy
! Clean residual min=-0.032949 max=0.034327 Jy/beam
! Clean residual mean=-0.000057 rms=0.009385 Jy/beam
! Combined flux in latest and established models = 10.6014 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 154 components and 10.6014 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.184250Jy  sigma=0.002003
! Fit after  self-cal, rms=0.179432Jy  sigma=0.001947
! Inverting map and beam 
! Estimated beam: bmin=3.597 mas, bmaj=12.49 mas, bpa=12.43 degrees
! Estimated noise=1666.84 mJy/beam.
! Added new window around map position (37.6, 90).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0345718 Jy
! Component: 100  -  total flux cleaned = 0.0422259 Jy
! Total flux subtracted in 100 components = 0.0422259 Jy
! Clean residual min=-0.029173 max=0.028554 Jy/beam
! Clean residual mean=-0.000068 rms=0.008077 Jy/beam
! Combined flux in latest and established models = 10.6436 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 174 components and 10.6436 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171580Jy  sigma=0.001867
! Fit after  self-cal, rms=0.168041Jy  sigma=0.001835
! Inverting map and beam 
! Estimated beam: bmin=3.596 mas, bmaj=12.49 mas, bpa=12.44 degrees
! Estimated noise=1667.39 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 = 0.0137862 Jy
! Component: 100  -  total flux cleaned = 0.016873 Jy
! Total flux subtracted in 100 components = 0.016873 Jy
! Clean residual min=-0.028046 max=0.026818 Jy/beam
! Clean residual mean=-0.000081 rms=0.007567 Jy/beam
! Combined flux in latest and established models = 10.6605 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 182 components and 10.6605 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.163487Jy  sigma=0.001791
! Fit after  self-cal, rms=0.162909Jy  sigma=0.001785
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1921-293_S
! Writing UV FITS file: 1921-293_S.uvf
! Writing 182 model components to file: 1921-293_S.mod
! wwins: Wrote 6 windows to 1921-293_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.596 x 12.49 at 12.44 degrees (North through East)
! Clean map  min=-0.034526  max=8.2226 Jy/beam
! Writing clean map to FITS file: 1921-293_S.fits
! Writing difmap environment to: 1921-293_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1921-293_S]
device 1921-293_Suv.ps/vps,1,2
! Attempting to open device: '1921-293_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1921-293_Sim.ps/vps
! Attempting to open device: '1921-293_Sim.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=3.596 mas, bmaj=12.49 mas, bpa=12.44 degrees
! Estimated noise=1667.39 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.596 x 12.49 at 12.44 degrees (North through East)
! Clean map  min=-0.034526  max=8.2226 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 1921-293_S.log closed on Thu Feb  7 18:23:01 2008