! Started logfile: 1656+348_S.log on Wed May  7 12:31:06 2008
observe 1656+348_S.edt
! Reading UV FITS file: 1656+348_S.edt
! AN table 1: 48 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.1378 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1656+348
! 
! 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 963 lines of history.
! 
! Reading 4048 visibilities.
![@gonzo6-0.4 1656+348_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 = 6.0
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 666 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 682 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 688 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 697 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.702092Jy  sigma=0.011381
! Fit after  self-cal, rms=0.701801Jy  sigma=0.011401
! 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=3.273 mas, bmaj=5.613 mas, bpa=-3.022 degrees
! Estimated noise=2015.86 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 = 0.223739 Jy
! Total flux subtracted in 50 components = 0.223739 Jy
! Clean residual min=-0.018489 max=0.062467 Jy/beam
! Clean residual mean=0.000163 rms=0.006135 Jy/beam
! Combined flux in latest and established models = 0.223739 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 0.223739 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105905Jy  sigma=0.001750
! Fit after  self-cal, rms=0.105906Jy  sigma=0.001750
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0614505 Jy
! Total flux subtracted in 50 components = 0.0614505 Jy
! Clean residual min=-0.011230 max=0.026965 Jy/beam
! Clean residual mean=0.000091 rms=0.003280 Jy/beam
! Combined flux in latest and established models = 0.285189 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 0.285189 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068357Jy  sigma=0.001107
! Fit after  self-cal, rms=0.068357Jy  sigma=0.001107
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0296221 Jy
! Total flux subtracted in 50 components = 0.0296221 Jy
! Clean residual min=-0.007925 max=0.013879 Jy/beam
! Clean residual mean=0.000057 rms=0.002171 Jy/beam
! Combined flux in latest and established models = 0.314811 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 15 components and 0.314811 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.056833Jy  sigma=0.000900
! Fit after  self-cal, rms=0.056835Jy  sigma=0.000899
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.015671 Jy
! Total flux subtracted in 50 components = 0.015671 Jy
! Clean residual min=-0.006211 max=0.007538 Jy/beam
! Clean residual mean=0.000039 rms=0.001757 Jy/beam
! Combined flux in latest and established models = 0.330482 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 17 components and 0.330482 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.053368Jy  sigma=0.000835
! Fit after  self-cal, rms=0.053377Jy  sigma=0.000835
! 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=3.971 mas, bmaj=6.078 mas, bpa=-0.3152 degrees
! Estimated noise=1092.4 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 = 0.00953389 Jy
! Component: 100  -  total flux cleaned = 0.0144073 Jy
! Total flux subtracted in 100 components = 0.0144073 Jy
! Clean residual min=-0.004381 max=0.004577 Jy/beam
! Clean residual mean=0.000009 rms=0.001126 Jy/beam
! Combined flux in latest and established models = 0.34489 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 32 components and 0.34489 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.051955Jy  sigma=0.000808
! Fit after  self-cal, rms=0.051950Jy  sigma=0.000808
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.02     GC        1.00     HH        1.00*    
!   HN        0.98     KK        0.97     KP        1.00     LA        1.01     
!   MC        1.00*    MK        1.01     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.00*    
!   WF        0.99     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        0.99     HH        1.00*    
!   HN        1.00     KK        1.02     KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.03     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.00*    
!   WF        0.98     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.02     GC        1.00     HH        1.00*    
!   HN        0.99     KK        1.00     KP        0.97     LA        1.00     
!   MC        1.00*    MK        1.02     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.04     HH        1.00*    
!   HN        0.98     KK        0.97     KP        1.01     LA        1.00*    
!   MC        1.00*    MK        1.03     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00     SC        1.00*    
!   WF        0.99     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.051950Jy  sigma=0.000808
! Fit after  self-cal, rms=0.051618Jy  sigma=0.000804
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.981 mas, bmaj=6.103 mas, bpa=-0.4247 degrees
! Estimated noise=1090.87 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 = -0.000309072 Jy
! Component: 100  -  total flux cleaned = -3.9803e-05 Jy
! Total flux subtracted in 100 components = -3.9803e-05 Jy
! Clean residual min=-0.003915 max=0.004748 Jy/beam
! Clean residual mean=0.000003 rms=0.001035 Jy/beam
! Combined flux in latest and established models = 0.34485 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 38 components and 0.34485 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.051576Jy  sigma=0.000803
! Fit after  self-cal, rms=0.051571Jy  sigma=0.000803
! 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 (13.2, -4.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00441982 Jy
! Component: 100  -  total flux cleaned = 0.00548698 Jy
! Total flux subtracted in 100 components = 0.00548698 Jy
! Clean residual min=-0.003367 max=0.002914 Jy/beam
! Clean residual mean=0.000000 rms=0.000835 Jy/beam
! Combined flux in latest and established models = 0.350337 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 48 components and 0.350337 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.051180Jy  sigma=0.000797
! Fit after  self-cal, rms=0.050761Jy  sigma=0.000787
! Inverting map and beam 
! Estimated beam: bmin=3.987 mas, bmaj=6.097 mas, bpa=-0.3689 degrees
! Estimated noise=1091.31 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 = 0.00144276 Jy
! Component: 100  -  total flux cleaned = 0.0021335 Jy
! Total flux subtracted in 100 components = 0.0021335 Jy
! Clean residual min=-0.003152 max=0.002726 Jy/beam
! Clean residual mean=0.000003 rms=0.000786 Jy/beam
! Combined flux in latest and established models = 0.35247 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 61 components and 0.35247 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.050687Jy  sigma=0.000786
! Fit after  self-cal, rms=0.050685Jy  sigma=0.000786
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1656+348_S
! Writing UV FITS file: 1656+348_S.uvf
! Writing 61 model components to file: 1656+348_S.mod
! wwins: Wrote 2 windows to 1656+348_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.987 x 6.097 at -0.3689 degrees (North through East)
! Clean map  min=-0.0030477  max=0.29916 Jy/beam
! Writing clean map to FITS file: 1656+348_S.fits
! Writing difmap environment to: 1656+348_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1656+348_S]
device 1656+348_Suv.ps/vps,1,2
! Attempting to open device: '1656+348_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1656+348_Sim.ps/vps
! Attempting to open device: '1656+348_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=3.987 mas, bmaj=6.097 mas, bpa=-0.3689 degrees
! Estimated noise=1091.31 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.987 x 6.097 at -0.3689 degrees (North through East)
! Clean map  min=-0.0030477  max=0.29916 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 1656+348_S.log closed on Wed May  7 12:31:11 2008