! Started logfile: 1933-400_S.log on Tue Mar 27 19:52:26 2007
observe 1933-400_S.edt
! Reading UV FITS file: 1933-400_S.edt
! AN table 1: 182 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.124647 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1268 lines of history.
! 
! Reading 9528 visibilities.
![@gonzo7-0.4 1933-400_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 1774 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=0.263462Jy  sigma=0.002138
! Fit after  self-cal, rms=0.263279Jy  sigma=0.002138
! 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=2.944 mas, bmaj=34.54 mas, bpa=-17.16 degrees
! Estimated noise=1675.88 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 = 0.652704 Jy
! Total flux subtracted in 50 components = 0.652704 Jy
! Clean residual min=-0.054886 max=0.182178 Jy/beam
! Clean residual mean=-0.001255 rms=0.023759 Jy/beam
! Combined flux in latest and established models = 0.652704 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 0.652704 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.353676Jy  sigma=0.003016
! Fit after  self-cal, rms=0.353658Jy  sigma=0.003016
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.155358 Jy
! Total flux subtracted in 50 components = 0.155358 Jy
! Clean residual min=-0.049708 max=0.065802 Jy/beam
! Clean residual mean=-0.000695 rms=0.014975 Jy/beam
! Combined flux in latest and established models = 0.808062 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 16 components and 0.808062 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.263044Jy  sigma=0.002139
! Fit after  self-cal, rms=0.262813Jy  sigma=0.002138
! 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=4.042 mas, bmaj=36.86 mas, bpa=-16.61 degrees
! Estimated noise=868.494 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 = 0.123904 Jy
! Component: 100  -  total flux cleaned = 0.182374 Jy
! Total flux subtracted in 100 components = 0.182374 Jy
! Clean residual min=-0.049213 max=0.035517 Jy/beam
! Clean residual mean=0.000420 rms=0.014318 Jy/beam
! Combined flux in latest and established models = 0.990436 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 58 model components to the UV plane model.
! The established model now contains 71 components and 0.990436 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.203922Jy  sigma=0.001624
! Fit after  self-cal, rms=0.203771Jy  sigma=0.001623
! 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 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.86     HN        1.00*    KB        1.00*    
!   KP        0.76     LA        1.05     MK        1.08     NL        1.06     
!   NY        1.00*    OV        1.11     PT        1.09     SV        1.00*    
!   WF        1.10     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        0.87     HN        1.00*    KB        1.00*    
!   KP        0.98     LA        1.05     MK        1.02     NL        1.04     
!   NY        1.00*    OV        1.11     PT        1.09     SV        1.00*    
!   WF        1.06     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        0.85     HN        1.00*    KB        1.00*    
!   KP        0.87     LA        1.04     MK        0.95     NL        1.03     
!   NY        1.00*    OV        1.05     PT        1.09     SV        1.00*    
!   WF        1.08     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        0.88     HN        1.00*    KB        1.00*    
!   KP        0.92     LA        1.04     MK        0.93     NL        1.03     
!   NY        1.00*    OV        1.07     PT        1.09     SV        1.00*    
!   WF        1.09     WZ        1.00*    TC        1.00*    
! 
! 
! Fit before self-cal, rms=0.203771Jy  sigma=0.001623
! Fit after  self-cal, rms=0.151910Jy  sigma=0.001153
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.074 mas, bmaj=37.35 mas, bpa=-16.58 degrees
! Estimated noise=847.749 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 = -0.00934098 Jy
! Component: 100  -  total flux cleaned = -0.0106574 Jy
! Total flux subtracted in 100 components = -0.0106574 Jy
! Clean residual min=-0.013985 max=0.020644 Jy/beam
! Clean residual mean=-0.000086 rms=0.004770 Jy/beam
! Combined flux in latest and established models = 0.979779 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 91 components and 0.979778 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149851Jy  sigma=0.001141
! Fit after  self-cal, rms=0.149864Jy  sigma=0.001140
! 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 = -0.000381935 Jy
! Component: 100  -  total flux cleaned = -0.000735221 Jy
! Total flux subtracted in 100 components = -0.000735221 Jy
! Clean residual min=-0.012636 max=0.019419 Jy/beam
! Clean residual mean=-0.000090 rms=0.004592 Jy/beam
! Combined flux in latest and established models = 0.979043 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 102 components and 0.979043 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148748Jy  sigma=0.001134
! Fit after  self-cal, rms=0.139325Jy  sigma=0.001047
! Inverting map and beam 
! Estimated beam: bmin=4.069 mas, bmaj=37.22 mas, bpa=-16.61 degrees
! Estimated noise=844.952 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 = 0.000966497 Jy
! Component: 100  -  total flux cleaned = 0.00127035 Jy
! Total flux subtracted in 100 components = 0.00127035 Jy
! Clean residual min=-0.005133 max=0.004471 Jy/beam
! Clean residual mean=-0.000041 rms=0.001424 Jy/beam
! Combined flux in latest and established models = 0.980313 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 116 components and 0.980313 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139122Jy  sigma=0.001046
! Fit after  self-cal, rms=0.139135Jy  sigma=0.001046
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1933-400_S
! Writing UV FITS file: 1933-400_S.uvf
! Writing 116 model components to file: 1933-400_S.mod
! wwins: Wrote 1 windows to 1933-400_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.069 x 37.22 at -16.61 degrees (North through East)
! Clean map  min=-0.0050868  max=0.8592 Jy/beam
! Writing clean map to FITS file: 1933-400_S.fits
! Writing difmap environment to: 1933-400_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1933-400_S]
device 1933-400_Suv.ps/vps,1,2
! Attempting to open device: '1933-400_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1933-400_Sim.ps/vps
! Attempting to open device: '1933-400_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=4.069 mas, bmaj=37.22 mas, bpa=-16.61 degrees
! Estimated noise=844.952 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.069 x 37.22 at -16.61 degrees (North through East)
! Clean map  min=-0.0050868  max=0.8592 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1933-400_S.log closed on Tue Mar 27 19:52:48 2007