! Started logfile: NRAO512_S.log on Fri Jul 21 08:44:19 2006
observe NRAO512_S.edt
! Reading UV FITS file: NRAO512_S.edt
! AN table 1: 61 integrations on 190 of 190 possible baselines.
! AN table 2: 15 integrations on 190 of 190 possible baselines.
! AN table 3: 22 integrations on 190 of 190 possible baselines.
! AN table 4: 8 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.159583 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: NRAO512
! 
! 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 1588 lines of history.
! 
! Reading 12856 visibilities.
![@gonzo7-0.4 NRAO512_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 992 telescope corrections were flagged in sub-array 1.
!  A total of 276 telescope corrections were flagged in sub-array 2.
!  A total of 231 telescope corrections were flagged in sub-array 3.
!  A total of 131 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 990 telescope corrections were flagged in sub-array 1.
!  A total of 276 telescope corrections were flagged in sub-array 2.
!  A total of 231 telescope corrections were flagged in sub-array 3.
!  A total of 126 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 1011 telescope corrections were flagged in sub-array 1.
!  A total of 276 telescope corrections were flagged in sub-array 2.
!  A total of 231 telescope corrections were flagged in sub-array 3.
!  A total of 131 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 1036 telescope corrections were flagged in sub-array 1.
!  A total of 276 telescope corrections were flagged in sub-array 2.
!  A total of 231 telescope corrections were flagged in sub-array 3.
!  A total of 126 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.278509Jy  sigma=0.004066
! Fit after  self-cal, rms=0.276818Jy  sigma=0.004056
! 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=2.644 mas, bmaj=3.212 mas, bpa=-26.88 degrees
! Estimated noise=1000.3 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 = 0.590481 Jy
! Total flux subtracted in 50 components = 0.590481 Jy
! Clean residual min=-0.023000 max=0.164709 Jy/beam
! Clean residual mean=0.000003 rms=0.007161 Jy/beam
! Combined flux in latest and established models = 0.590481 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 0.590481 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.219721Jy  sigma=0.002938
! Fit after  self-cal, rms=0.219721Jy  sigma=0.002938
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.128846 Jy
! Total flux subtracted in 50 components = 0.128846 Jy
! Clean residual min=-0.014127 max=0.037364 Jy/beam
! Clean residual mean=-0.000000 rms=0.003762 Jy/beam
! Combined flux in latest and established models = 0.719326 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 5 components and 0.719326 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.145082Jy  sigma=0.001795
! Fit after  self-cal, rms=0.145080Jy  sigma=0.001795
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0377713 Jy
! Total flux subtracted in 50 components = 0.0377713 Jy
! Clean residual min=-0.014469 max=0.016035 Jy/beam
! Clean residual mean=-0.000001 rms=0.003429 Jy/beam
! Combined flux in latest and established models = 0.757098 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 9 components and 0.757098 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.138046Jy  sigma=0.001703
! Fit after  self-cal, rms=0.138025Jy  sigma=0.001703
! 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=3.059 mas, bmaj=3.925 mas, bpa=-13.58 degrees
! Estimated noise=572.23 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 = 0.00806427 Jy
! Component: 100  -  total flux cleaned = 0.00939766 Jy
! Total flux subtracted in 100 components = 0.00939766 Jy
! Clean residual min=-0.016600 max=0.016163 Jy/beam
! Clean residual mean=0.000610 rms=0.003146 Jy/beam
! Combined flux in latest and established models = 0.766495 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 20 components and 0.766495 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.136846Jy  sigma=0.001688
! Fit after  self-cal, rms=0.136831Jy  sigma=0.001688
! 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        0.90     FD        0.92     GC        0.87     HN        1.00     
!   LA        1.00*    NL        0.92     OV        0.93     SC        0.87     
!   WF        0.96     GG        1.00*    HH        1.00*    KK        0.90     
!   KP        0.91     MA        1.00*    MC        1.20     MK        0.97     
!   NY        0.94     TS        1.00*    WZ        1.05     PT        0.94     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        1.00     NL        1.00*    OV        1.01     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.96     MA        1.00*    MC        1.00*    MK        0.96     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.95     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.01     GC        1.03     HN        1.04     
!   LA        1.00     NL        1.00     OV        1.03     SC        1.03     
!   WF        1.06     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.98     MA        1.00*    MC        1.00*    MK        1.11     
!   NY        1.02     TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.04     FD        1.00     GC        1.00*    HN        1.00*    
!   LA        0.97     NL        1.06     OV        1.00     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00*    MA        1.00*    MC        1.00*    MK        1.00*    
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.03     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.88     FD        0.93     GC        0.84     HN        0.96     
!   LA        1.00*    NL        0.91     OV        0.91     SC        0.99     
!   WF        0.96     GG        1.00*    HH        1.00*    KK        0.90     
!   KP        1.06     MA        1.00*    MC        1.16     MK        1.03     
!   NY        0.95     TS        1.00*    WZ        1.01     PT        0.96     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        0.97     NL        1.00*    OV        1.02     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.99     MA        1.00*    MC        1.00*    MK        0.99     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.92     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.05     GC        0.96     HN        1.05     
!   LA        1.02     NL        0.96     OV        1.03     SC        1.02     
!   WF        1.06     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.07     MA        1.00*    MC        1.00*    MK        1.09     
!   NY        0.90     TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.05     FD        1.02     GC        1.00*    HN        1.00*    
!   LA        1.04     NL        1.04     OV        0.99     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.90     MA        1.00*    MC        1.00*    MK        1.00*    
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.03     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.95     GC        0.97     HN        0.93     
!   LA        1.00*    NL        0.91     OV        0.97     SC        0.93     
!   WF        0.94     GG        1.00*    HH        1.00*    KK        0.95     
!   KP        0.99     MA        1.00*    MC        1.00*    MK        1.07     
!   NY        1.02     TS        1.00*    WZ        1.05     PT        0.96     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        0.87     NL        1.00*    OV        1.06     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.90     MA        1.00*    MC        1.00*    MK        0.97     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.03     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.05     FD        1.04     GC        1.05     HN        1.03     
!   LA        0.99     NL        1.00     OV        1.04     SC        1.06     
!   WF        1.00     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.02     MA        1.00*    MC        1.00*    MK        1.09     
!   NY        1.06     TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.98     FD        1.01     GC        1.00*    HN        1.00*    
!   LA        1.05     NL        1.01     OV        0.85     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.94     MA        1.00*    MC        1.00*    MK        1.00*    
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.96     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        0.97     GC        0.97     HN        0.98     
!   LA        1.00*    NL        0.94     OV        0.95     SC        1.03     
!   WF        0.95     GG        1.00*    HH        1.00*    KK        0.99     
!   KP        1.07     MA        1.00*    MC        1.00*    MK        1.04     
!   NY        1.08     TS        1.00*    WZ        1.08     PT        0.95     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        0.96     NL        1.00*    OV        0.99     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.94     MA        1.00*    MC        1.00*    MK        1.03     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.02     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        1.03     GC        1.04     HN        1.05     
!   LA        1.01     NL        1.03     OV        1.03     SC        1.05     
!   WF        0.99     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.07     MA        1.00*    MC        1.00*    MK        1.12     
!   NY        1.03     TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.02     FD        1.04     GC        1.00*    HN        1.00*    
!   LA        1.06     NL        1.05     OV        1.00     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.96     MA        1.00*    MC        1.00*    MK        1.00*    
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.03     
! 
! 
! Fit before self-cal, rms=0.136831Jy  sigma=0.001688
! Fit after  self-cal, rms=0.113265Jy  sigma=0.001336
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.042 mas, bmaj=3.931 mas, bpa=-13.35 degrees
! Estimated noise=569.522 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 (-4.8, -3.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0101188 Jy
! Component: 100  -  total flux cleaned = 0.0163765 Jy
! Total flux subtracted in 100 components = 0.0163765 Jy
! Clean residual min=-0.004109 max=0.006672 Jy/beam
! Clean residual mean=0.000573 rms=0.001084 Jy/beam
! Combined flux in latest and established models = 0.782872 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 36 components and 0.782872 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112235Jy  sigma=0.001322
! Fit after  self-cal, rms=0.112229Jy  sigma=0.001322
! 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 (4.4, 4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00555222 Jy
! Component: 100  -  total flux cleaned = 0.00812807 Jy
! Total flux subtracted in 100 components = 0.00812807 Jy
! Clean residual min=-0.003869 max=0.004896 Jy/beam
! Clean residual mean=0.000499 rms=0.001012 Jy/beam
! Combined flux in latest and established models = 0.791 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 45 components and 0.791 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111882Jy  sigma=0.001318
! Fit after  self-cal, rms=0.109490Jy  sigma=0.001288
! Inverting map and beam 
! Estimated beam: bmin=3.032 mas, bmaj=3.936 mas, bpa=-13.2 degrees
! Estimated noise=571.511 mJy/beam.
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00555567 Jy
! Component: 100  -  total flux cleaned = 0.00897782 Jy
! Total flux subtracted in 100 components = 0.00897782 Jy
! Clean residual min=-0.002759 max=0.003810 Jy/beam
! Clean residual mean=0.000345 rms=0.000845 Jy/beam
! Combined flux in latest and established models = 0.799978 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 56 components and 0.799978 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109158Jy  sigma=0.001284
! Fit after  self-cal, rms=0.109089Jy  sigma=0.001281
! Inverting map and beam 
! Estimated beam: bmin=3.027 mas, bmaj=3.934 mas, bpa=-13.23 degrees
! Estimated noise=572.64 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 = 0.00389901 Jy
! Component: 100  -  total flux cleaned = 0.00592127 Jy
! Total flux subtracted in 100 components = 0.00592127 Jy
! Clean residual min=-0.002776 max=0.003631 Jy/beam
! Clean residual mean=0.000276 rms=0.000801 Jy/beam
! Combined flux in latest and established models = 0.805899 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 66 components and 0.805899 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108909Jy  sigma=0.001279
! Fit after  self-cal, rms=0.108904Jy  sigma=0.001279
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save NRAO512_S
! Writing UV FITS file: NRAO512_S.uvf
! Writing 66 model components to file: NRAO512_S.mod
! wwins: Wrote 3 windows to NRAO512_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.027 x 3.934 at -13.23 degrees (North through East)
! Clean map  min=-0.0026631  max=0.75285 Jy/beam
! Writing clean map to FITS file: NRAO512_S.fits
! Writing difmap environment to: NRAO512_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot NRAO512_S]
device NRAO512_Suv.ps/vps,1,2
! Attempting to open device: 'NRAO512_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device NRAO512_Sim.ps/vps
! Attempting to open device: 'NRAO512_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=3.027 mas, bmaj=3.934 mas, bpa=-13.23 degrees
! Estimated noise=572.64 mJy/beam.
xyrange 0, 0, 0, 0
! The mapplot display area will be limited to:
!  Relative  RA: (The whole available range)
!  Relative DEC: (The whole available range)
mapcolor grey
! Mapplot colormap: grey, contrast: 1 brightness: 0.5.
docont=true
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.027 x 3.934 at -13.23 degrees (North through East)
! Clean map  min=-0.0026631  max=0.75285 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file NRAO512_S.log closed on Fri Jul 21 08:44:44 2006