! Started logfile: 0454-234_S.log on Tue Apr 15 19:21:37 2008
observe 0454-234_S.edt
! Reading UV FITS file: 0454-234_S.edt
! AN table 1: 15 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0540305 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0454-234
! 
! 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 955 lines of history.
! 
! Reading 496 visibilities.
![@gonzo7-0.4 0454-234_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 = 7.0
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 231 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 232 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 232 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 235 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.234157Jy  sigma=0.002394
! Fit after  self-cal, rms=0.234025Jy  sigma=0.002398
! 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=3.316 mas, bmaj=10.81 mas, bpa=0.6738 degrees
! Estimated noise=4481.85 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 = 0.886495 Jy
! Total flux subtracted in 50 components = 0.886495 Jy
! Clean residual min=-0.059650 max=0.247225 Jy/beam
! Clean residual mean=0.001149 rms=0.027841 Jy/beam
! Combined flux in latest and established models = 0.886495 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 0.886495 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.325909Jy  sigma=0.003387
! Fit after  self-cal, rms=0.325909Jy  sigma=0.003387
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.195575 Jy
! Total flux subtracted in 50 components = 0.195575 Jy
! Clean residual min=-0.035839 max=0.065667 Jy/beam
! Clean residual mean=0.000590 rms=0.013368 Jy/beam
! Combined flux in latest and established models = 1.08207 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 11 components and 1.08207 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.182955Jy  sigma=0.001852
! Fit after  self-cal, rms=0.182955Jy  sigma=0.001852
! 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=3.839 mas, bmaj=12.47 mas, bpa=-3.311 degrees
! Estimated noise=3586.75 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 = 0.0992316 Jy
! Component: 100  -  total flux cleaned = 0.147597 Jy
! Total flux subtracted in 100 components = 0.147597 Jy
! Clean residual min=-0.022347 max=0.030825 Jy/beam
! Clean residual mean=0.000214 rms=0.007996 Jy/beam
! Combined flux in latest and established models = 1.22967 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 42 components and 1.22967 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127272Jy  sigma=0.001270
! Fit after  self-cal, rms=0.127120Jy  sigma=0.001268
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.05     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.89     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.95     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        1.05     SC        0.96     
!   WF        1.18     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.96     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.92     PT        0.94     SC        0.99     
!   WF        1.06     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.05     GC        1.00*    HH        1.00*    
!   HN        1.06     KK        1.00*    KP        0.96     LA        0.96     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.95     SC        1.04     
!   WF        1.16     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.06     KK        1.00*    KP        0.98     LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        0.87     PT        0.98     SC        1.07     
!   WF        1.05     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.127120Jy  sigma=0.001268
! Fit after  self-cal, rms=0.096079Jy  sigma=0.000973
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.228 mas, bmaj=13.57 mas, bpa=-0.4486 degrees
! Estimated noise=3786.33 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 = 0.0049798 Jy
! Component: 100  -  total flux cleaned = 0.00427095 Jy
! Total flux subtracted in 100 components = 0.00427095 Jy
! Clean residual min=-0.012071 max=0.014535 Jy/beam
! Clean residual mean=-0.000069 rms=0.003501 Jy/beam
! Combined flux in latest and established models = 1.23394 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 50 components and 1.23394 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095640Jy  sigma=0.000968
! Fit after  self-cal, rms=0.095583Jy  sigma=0.000968
! 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 = -0.000547742 Jy
! Component: 100  -  total flux cleaned = -0.000370868 Jy
! Total flux subtracted in 100 components = -0.000370868 Jy
! Clean residual min=-0.011807 max=0.014502 Jy/beam
! Clean residual mean=-0.000067 rms=0.003448 Jy/beam
! Combined flux in latest and established models = 1.23357 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 60 components and 1.23357 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095466Jy  sigma=0.000966
! Fit after  self-cal, rms=0.091799Jy  sigma=0.000941
! Inverting map and beam 
! Estimated beam: bmin=4.227 mas, bmaj=13.56 mas, bpa=-0.4966 degrees
! Estimated noise=3789.78 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 = 0.00302201 Jy
! Component: 100  -  total flux cleaned = 0.00342457 Jy
! Total flux subtracted in 100 components = 0.00342457 Jy
! Clean residual min=-0.011623 max=0.013248 Jy/beam
! Clean residual mean=-0.000058 rms=0.003264 Jy/beam
! Combined flux in latest and established models = 1.23699 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 64 components and 1.23699 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091645Jy  sigma=0.000939
! Fit after  self-cal, rms=0.091621Jy  sigma=0.000939
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0454-234_S
! Writing UV FITS file: 0454-234_S.uvf
! Writing 64 model components to file: 0454-234_S.mod
! wwins: Wrote 1 windows to 0454-234_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.227 x 13.56 at -0.4966 degrees (North through East)
! Clean map  min=-0.011409  max=1.1575 Jy/beam
! Writing clean map to FITS file: 0454-234_S.fits
! Writing difmap environment to: 0454-234_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0454-234_S]
device 0454-234_Suv.ps/vps,1,2
! Attempting to open device: '0454-234_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0454-234_Sim.ps/vps
! Attempting to open device: '0454-234_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=4.227 mas, bmaj=13.56 mas, bpa=-0.4966 degrees
! Estimated noise=3789.78 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.227 x 13.56 at -0.4966 degrees (North through East)
! Clean map  min=-0.011409  max=1.1575 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0454-234_S.log closed on Tue Apr 15 19:21:41 2008