! Started logfile: 1600+335_S.log on Tue Feb  5 18:52:01 2008
observe 1600+335_S.edt
! Reading UV FITS file: 1600+335_S.edt
! AN table 1: 31 integrations on 136 of 136 possible baselines.
! AN table 2: 28 integrations on 136 of 136 possible baselines.
! AN table 3: 63 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.24777 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1600+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  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 1251 lines of history.
! 
! Reading 16444 visibilities.
![@gonzo7-0.4 1600+335_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 399 telescope corrections were flagged in sub-array 1.
!  A total of 440 telescope corrections were flagged in sub-array 2.
!  A total of 584 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 394 telescope corrections were flagged in sub-array 1.
!  A total of 449 telescope corrections were flagged in sub-array 2.
!  A total of 587 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 396 telescope corrections were flagged in sub-array 1.
!  A total of 452 telescope corrections were flagged in sub-array 2.
!  A total of 590 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 395 telescope corrections were flagged in sub-array 1.
!  A total of 452 telescope corrections were flagged in sub-array 2.
!  A total of 593 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.458808Jy  sigma=0.008255
! Fit after  self-cal, rms=0.459493Jy  sigma=0.008304
! 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=2.538 mas, bmaj=3.072 mas, bpa=-22.62 degrees
! Estimated noise=995.797 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 = 0.949236 Jy
! Total flux subtracted in 50 components = 0.949236 Jy
! Clean residual min=-0.051410 max=0.265487 Jy/beam
! Clean residual mean=-0.000070 rms=0.019050 Jy/beam
! Combined flux in latest and established models = 0.949236 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 0.949236 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.492695Jy  sigma=0.008925
! Fit after  self-cal, rms=0.492720Jy  sigma=0.008925
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.271682 Jy
! Total flux subtracted in 50 components = 0.271682 Jy
! Clean residual min=-0.038649 max=0.131686 Jy/beam
! Clean residual mean=-0.000067 rms=0.012191 Jy/beam
! Combined flux in latest and established models = 1.22092 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 1.22092 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.332584Jy  sigma=0.005910
! Fit after  self-cal, rms=0.330567Jy  sigma=0.005893
! Inverting map 
! Added new window around map position (-0.8, 3.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.149652 Jy
! Total flux subtracted in 50 components = 0.149652 Jy
! Clean residual min=-0.029179 max=0.086370 Jy/beam
! Clean residual mean=-0.000062 rms=0.009242 Jy/beam
! Combined flux in latest and established models = 1.37057 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 24 components and 1.37057 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.264034Jy  sigma=0.004567
! Fit after  self-cal, rms=0.260162Jy  sigma=0.004525
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.101709 Jy
! Total flux subtracted in 50 components = 0.101709 Jy
! Clean residual min=-0.025245 max=0.063658 Jy/beam
! Clean residual mean=-0.000058 rms=0.007408 Jy/beam
! Combined flux in latest and established models = 1.47228 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 35 components and 1.47228 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.221871Jy  sigma=0.003724
! Fit after  self-cal, rms=0.219683Jy  sigma=0.003695
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0740827 Jy
! Total flux subtracted in 50 components = 0.0740827 Jy
! Clean residual min=-0.022593 max=0.049509 Jy/beam
! Clean residual mean=-0.000055 rms=0.006244 Jy/beam
! Combined flux in latest and established models = 1.54636 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 47 components and 1.54636 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.195893Jy  sigma=0.003167
! Fit after  self-cal, rms=0.194661Jy  sigma=0.003148
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0567319 Jy
! Total flux subtracted in 50 components = 0.0567319 Jy
! Clean residual min=-0.020492 max=0.039808 Jy/beam
! Clean residual mean=-0.000053 rms=0.005475 Jy/beam
! Combined flux in latest and established models = 1.60309 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 55 components and 1.60309 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179079Jy  sigma=0.002783
! Fit after  self-cal, rms=0.178401Jy  sigma=0.002772
! Inverting map 
! Added new window around map position (-4, -5.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.047568 Jy
! Total flux subtracted in 50 components = 0.047568 Jy
! Clean residual min=-0.018263 max=0.035285 Jy/beam
! Clean residual mean=-0.000051 rms=0.004907 Jy/beam
! Combined flux in latest and established models = 1.65066 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 69 components and 1.65066 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167021Jy  sigma=0.002501
! Fit after  self-cal, rms=0.166382Jy  sigma=0.002494
! 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=2.893 mas, bmaj=4.01 mas, bpa=-13.27 degrees
! Estimated noise=467.578 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 = 0.0630165 Jy
! Component: 100  -  total flux cleaned = 0.106862 Jy
! Total flux subtracted in 100 components = 0.106862 Jy
! Clean residual min=-0.018890 max=0.036691 Jy/beam
! Clean residual mean=0.000111 rms=0.006315 Jy/beam
! Combined flux in latest and established models = 1.75752 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 94 components and 1.75752 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.146928Jy  sigma=0.001992
! Fit after  self-cal, rms=0.146177Jy  sigma=0.001982
! 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        0.98     FD        1.00     GC        0.99     HN        1.29     
!   KK        1.00*    KP        0.87     LA        0.94     MC        1.00*    
!   MK        1.00     NL        0.98     NY        1.01     ON        1.00*    
!   OV        0.93     PT        0.98     SC        1.00*    WF        1.23     
!   WZ        1.00*    
! 
!  A total of 36 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        0.98     GC        1.02     HN        1.00     
!   KK        0.99     KP        0.96     LA        0.96     MC        1.00*    
!   MK        0.97     NL        0.97     NY        1.01     ON        1.05     
!   OV        1.01     PT        0.95     SC        0.98     WF        1.01     
!   WZ        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        0.96     FD        0.99     GC        0.98     HN        1.26     
!   KK        1.00*    KP        0.92     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.01     NY        1.01     ON        1.00*    
!   OV        0.91     PT        0.92     SC        1.00*    WF        1.15     
!   WZ        1.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.99     GC        1.01     HN        1.03     
!   KK        1.08     KP        0.95     LA        0.98     MC        1.00*    
!   MK        0.98     NL        0.94     NY        1.01     ON        1.05     
!   OV        0.99     PT        0.96     SC        1.00     WF        1.02     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.98     GC        1.02     HN        1.47     
!   KK        1.00*    KP        0.97     LA        0.94     MC        1.00*    
!   MK        0.95     NL        1.04     NY        1.08     ON        1.00*    
!   OV        0.93     PT        0.97     SC        1.00*    WF        1.26     
!   WZ        1.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
!  A total of 21 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        0.98     GC        1.02     HN        1.05     
!   KK        1.07     KP        0.97     LA        0.98     MC        1.00*    
!   MK        1.00     NL        0.95     NY        1.03     ON        1.02     
!   OV        1.01     PT        0.95     SC        1.04     WF        1.03     
!   WZ        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        0.94     GC        1.06     HN        1.42     
!   KK        1.00*    KP        1.00     LA        0.91     MC        1.00*    
!   MK        0.93     NL        1.03     NY        1.05     ON        1.00*    
!   OV        0.85     PT        0.95     SC        1.00*    WF        1.30     
!   WZ        1.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.98     GC        1.02     HN        1.06     
!   KK        1.05     KP        0.96     LA        0.96     MC        1.00*    
!   MK        1.00     NL        0.94     NY        0.96     ON        1.05     
!   OV        1.00     PT        0.96     SC        1.04     WF        1.07     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.146177Jy  sigma=0.001982
! Fit after  self-cal, rms=0.122929Jy  sigma=0.001548
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.928 mas, bmaj=4.064 mas, bpa=-13.72 degrees
! Estimated noise=462.232 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 (8.8, -3.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0215151 Jy
! Component: 100  -  total flux cleaned = 0.0334052 Jy
! Total flux subtracted in 100 components = 0.0334052 Jy
! Clean residual min=-0.010203 max=0.014279 Jy/beam
! Clean residual mean=0.000010 rms=0.003184 Jy/beam
! Combined flux in latest and established models = 1.79093 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 110 components and 1.79093 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119973Jy  sigma=0.001468
! Fit after  self-cal, rms=0.119879Jy  sigma=0.001466
! 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 = 0.00911779 Jy
! Component: 100  -  total flux cleaned = 0.0146424 Jy
! Total flux subtracted in 100 components = 0.0146424 Jy
! Clean residual min=-0.009943 max=0.014229 Jy/beam
! Clean residual mean=0.000002 rms=0.003073 Jy/beam
! Combined flux in latest and established models = 1.80557 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 119 components and 1.80557 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119266Jy  sigma=0.001450
! Fit after  self-cal, rms=0.115828Jy  sigma=0.001397
! Inverting map and beam 
! Estimated beam: bmin=2.926 mas, bmaj=4.061 mas, bpa=-13.65 degrees
! Estimated noise=462.374 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 = 0.00825919 Jy
! Component: 100  -  total flux cleaned = 0.0127942 Jy
! Total flux subtracted in 100 components = 0.0127942 Jy
! Clean residual min=-0.009433 max=0.013572 Jy/beam
! Clean residual mean=0.000004 rms=0.002940 Jy/beam
! Combined flux in latest and established models = 1.81836 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 129 components and 1.81836 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115273Jy  sigma=0.001384
! Fit after  self-cal, rms=0.115206Jy  sigma=0.001383
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1600+335_S
! Writing UV FITS file: 1600+335_S.uvf
! Writing 129 model components to file: 1600+335_S.mod
! wwins: Wrote 4 windows to 1600+335_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.926 x 4.061 at -13.65 degrees (North through East)
! Clean map  min=-0.0092094  max=1.2401 Jy/beam
! Writing clean map to FITS file: 1600+335_S.fits
! Writing difmap environment to: 1600+335_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1600+335_S]
device 1600+335_Suv.ps/vps,1,2
! Attempting to open device: '1600+335_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1600+335_Sim.ps/vps
! Attempting to open device: '1600+335_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=2.926 mas, bmaj=4.061 mas, bpa=-13.65 degrees
! Estimated noise=462.374 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.926 x 4.061 at -13.65 degrees (North through East)
! Clean map  min=-0.0092094  max=1.2401 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1600+335_S.log closed on Tue Feb  5 18:52:08 2008