! Started logfile: 0823+033_S.log on Wed Jul 12 17:52:40 2006
observe 0823+033_S.edt
! Reading UV FITS file: 0823+033_S.edt
! AN table 1: 23 integrations on 190 of 190 possible baselines.
! AN table 2: 4 integrations on 190 of 190 possible baselines.
! AN table 3: 52 integrations on 190 of 190 possible baselines.
! AN table 4: 1 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.0657237 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0823+033
! 
! 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 3996 visibilities.
![@gonzo7-0.4 0823+033_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 374 telescope corrections were flagged in sub-array 1.
!  A total of 80 telescope corrections were flagged in sub-array 2.
!  A total of 979 telescope corrections were flagged in sub-array 3.
!  A total of 20 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 374 telescope corrections were flagged in sub-array 1.
!  A total of 80 telescope corrections were flagged in sub-array 2.
!  A total of 965 telescope corrections were flagged in sub-array 3.
!  A total of 20 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 371 telescope corrections were flagged in sub-array 1.
!  A total of 80 telescope corrections were flagged in sub-array 2.
!  A total of 974 telescope corrections were flagged in sub-array 3.
!  A total of 20 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 374 telescope corrections were flagged in sub-array 1.
!  A total of 80 telescope corrections were flagged in sub-array 2.
!  A total of 955 telescope corrections were flagged in sub-array 3.
!  A total of 20 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.272039Jy  sigma=0.003152
! Fit after  self-cal, rms=0.254210Jy  sigma=0.003028
! 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=2.273 mas, bmaj=5.672 mas, bpa=-6.56 degrees
! Estimated noise=1741.01 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 = 0.689519 Jy
! Total flux subtracted in 50 components = 0.689519 Jy
! Clean residual min=-0.044322 max=0.192448 Jy/beam
! Clean residual mean=0.000416 rms=0.016419 Jy/beam
! Combined flux in latest and established models = 0.689519 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 0.689519 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.321728Jy  sigma=0.004572
! Fit after  self-cal, rms=0.321737Jy  sigma=0.004572
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.185101 Jy
! Total flux subtracted in 50 components = 0.185101 Jy
! Clean residual min=-0.026902 max=0.080846 Jy/beam
! Clean residual mean=0.000225 rms=0.009021 Jy/beam
! Combined flux in latest and established models = 0.87462 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 10 components and 0.87462 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.219813Jy  sigma=0.002961
! Fit after  self-cal, rms=0.219751Jy  sigma=0.002960
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0876271 Jy
! Total flux subtracted in 50 components = 0.0876271 Jy
! Clean residual min=-0.024246 max=0.040543 Jy/beam
! Clean residual mean=0.000136 rms=0.006391 Jy/beam
! Combined flux in latest and established models = 0.962247 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 16 components and 0.962247 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.190564Jy  sigma=0.002460
! Fit after  self-cal, rms=0.190507Jy  sigma=0.002460
! 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=2.883 mas, bmaj=6.907 mas, bpa=-8.681 degrees
! Estimated noise=1247.71 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 = 0.0534625 Jy
! Component: 100  -  total flux cleaned = 0.0789993 Jy
! Total flux subtracted in 100 components = 0.0789993 Jy
! Clean residual min=-0.020081 max=0.031417 Jy/beam
! Clean residual mean=0.000425 rms=0.005724 Jy/beam
! Combined flux in latest and established models = 1.04125 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 28 components and 1.04125 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179288Jy  sigma=0.002240
! Fit after  self-cal, rms=0.179199Jy  sigma=0.002239
! 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        0.94     FD        0.96     GC        0.97     HN        1.05     
!   LA        0.96     NL        0.99     OV        0.96     SC        0.92     
!   WF        1.00     GG        1.00*    HH        1.00*    KK        0.91     
!   KP        0.93     MA        1.00*    MC        1.00*    MK        0.94     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.99     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
!  A total of 33 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        1.00*    NL        1.00*    OV        1.00*    SC        1.15     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00*    MA        1.00*    MC        1.11     MK        1.00*    
!   NY        1.17     TS        1.00*    WZ        0.99     PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        0.94     GC        0.95     HN        1.03     
!   LA        0.96     NL        0.98     OV        0.96     SC        1.09     
!   WF        0.98     GG        1.00*    HH        1.00*    KK        0.93     
!   KP        1.02     MA        1.00*    MC        1.00*    MK        1.02     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.97     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        1.00*    NL        1.00*    OV        1.00*    SC        1.12     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00*    MA        0.84     MC        0.81     MK        1.00*    
!   NY        1.13     TS        1.00*    WZ        0.98     PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        0.98     GC        1.16     HN        1.01     
!   LA        1.00     NL        1.08     OV        0.96     SC        0.97     
!   WF        1.05     GG        1.00*    HH        1.00*    KK        0.99     
!   KP        0.98     MA        1.00*    MC        1.00*    MK        1.08     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.98     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
!  A total of 33 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        1.00*    NL        1.00*    OV        1.00*    SC        1.18     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00*    MA        0.87     MC        1.50     MK        1.00*    
!   NY        1.19     TS        1.00*    WZ        1.05     PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.01     GC        1.06     HN        1.07     
!   LA        0.99     NL        1.01     OV        0.97     SC        1.10     
!   WF        0.99     GG        1.00*    HH        1.00*    KK        1.00     
!   KP        1.06     MA        1.00*    MC        1.00*    MK        0.99     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.03     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        1.00*    
!   LA        1.00*    NL        1.00*    OV        1.00*    SC        1.08     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00*    MA        1.06     MC        1.28     MK        1.00*    
!   NY        1.12     TS        1.00*    WZ        1.12     PT        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Fit before self-cal, rms=0.179199Jy  sigma=0.002239
! Fit after  self-cal, rms=0.152906Jy  sigma=0.001920
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.854 mas, bmaj=7.017 mas, bpa=-7.996 degrees
! Estimated noise=1253.7 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 = 0.00700635 Jy
! Component: 100  -  total flux cleaned = 0.00797883 Jy
! Total flux subtracted in 100 components = 0.00797883 Jy
! Clean residual min=-0.010328 max=0.013365 Jy/beam
! Clean residual mean=0.000678 rms=0.003110 Jy/beam
! Combined flux in latest and established models = 1.04922 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 43 components and 1.04922 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152385Jy  sigma=0.001912
! Fit after  self-cal, rms=0.152368Jy  sigma=0.001911
! 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 = 0.000466963 Jy
! Component: 100  -  total flux cleaned = 0.000654939 Jy
! Total flux subtracted in 100 components = 0.000654939 Jy
! Clean residual min=-0.010154 max=0.012771 Jy/beam
! Clean residual mean=0.000674 rms=0.003073 Jy/beam
! Combined flux in latest and established models = 1.04988 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 45 components and 1.04988 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152140Jy  sigma=0.001908
! Fit after  self-cal, rms=0.149903Jy  sigma=0.001886
! Inverting map and beam 
! Estimated beam: bmin=2.845 mas, bmaj=7.022 mas, bpa=-8.051 degrees
! Estimated noise=1255.74 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 = 0.0056161 Jy
! Component: 100  -  total flux cleaned = 0.00632318 Jy
! Total flux subtracted in 100 components = 0.00632318 Jy
! Clean residual min=-0.009921 max=0.011999 Jy/beam
! Clean residual mean=0.000561 rms=0.002990 Jy/beam
! Combined flux in latest and established models = 1.0562 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 45 components and 1.0562 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149628Jy  sigma=0.001882
! Fit after  self-cal, rms=0.149612Jy  sigma=0.001882
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0823+033_S
! Writing UV FITS file: 0823+033_S.uvf
! Writing 45 model components to file: 0823+033_S.mod
! wwins: Wrote 1 windows to 0823+033_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.845 x 7.022 at -8.051 degrees (North through East)
! Clean map  min=-0.0096317  max=0.91141 Jy/beam
! Writing clean map to FITS file: 0823+033_S.fits
! Writing difmap environment to: 0823+033_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0823+033_S]
device 0823+033_Suv.ps/vps,1,2
! Attempting to open device: '0823+033_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0823+033_Sim.ps/vps
! Attempting to open device: '0823+033_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=2.845 mas, bmaj=7.022 mas, bpa=-8.051 degrees
! Estimated noise=1255.74 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: 2.845 x 7.022 at -8.051 degrees (North through East)
! Clean map  min=-0.0096317  max=0.91141 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0823+033_S.log closed on Wed Jul 12 17:52:59 2006