! Started logfile: 1923+210_S.log on Tue Sep 12 11:11:19 2006
observe 1923+210_S.edt
! Reading UV FITS file: 1923+210_S.edt
! AN table 1: 149 integrations on 105 of 105 possible baselines.
! AN table 2: 8 integrations on 105 of 105 possible baselines.
! AN table 3: 22 integrations on 105 of 105 possible baselines.
! AN table 4: 25 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.191503 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1923+210
! Warning: Unknown AN-table MNTSTA value (4).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (4).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (4).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (4).
!          Will assume that it is ground-based.
! 
! 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 1654 lines of history.
! 
! Reading 16408 visibilities.
![@gonzo7-0.4 1923+210_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 1213 telescope corrections were flagged in sub-array 1.
!  A total of 120 telescope corrections were flagged in sub-array 2.
!  A total of 291 telescope corrections were flagged in sub-array 3.
!  A total of 302 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 1213 telescope corrections were flagged in sub-array 1.
!  A total of 120 telescope corrections were flagged in sub-array 2.
!  A total of 291 telescope corrections were flagged in sub-array 3.
!  A total of 302 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 1213 telescope corrections were flagged in sub-array 1.
!  A total of 120 telescope corrections were flagged in sub-array 2.
!  A total of 291 telescope corrections were flagged in sub-array 3.
!  A total of 302 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 1242 telescope corrections were flagged in sub-array 1.
!  A total of 120 telescope corrections were flagged in sub-array 2.
!  A total of 291 telescope corrections were flagged in sub-array 3.
!  A total of 302 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.473922Jy  sigma=0.006113
! Fit after  self-cal, rms=0.470625Jy  sigma=0.006115
! 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=1.996 mas, bmaj=4.521 mas, bpa=-8.4 degrees
! Estimated noise=883.179 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 = 0.812933 Jy
! Total flux subtracted in 50 components = 0.812933 Jy
! Clean residual min=-0.054341 max=0.254587 Jy/beam
! Clean residual mean=0.000198 rms=0.018000 Jy/beam
! Combined flux in latest and established models = 0.812934 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 0.812934 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.546892Jy  sigma=0.007434
! Fit after  self-cal, rms=0.546889Jy  sigma=0.007434
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.267846 Jy
! Total flux subtracted in 50 components = 0.267846 Jy
! Clean residual min=-0.036602 max=0.118733 Jy/beam
! Clean residual mean=0.000155 rms=0.012366 Jy/beam
! Combined flux in latest and established models = 1.08078 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 7 components and 1.08078 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.387941Jy  sigma=0.005026
! Fit after  self-cal, rms=0.387820Jy  sigma=0.005025
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.125262 Jy
! Total flux subtracted in 50 components = 0.125262 Jy
! Clean residual min=-0.031922 max=0.098138 Jy/beam
! Clean residual mean=0.000136 rms=0.010613 Jy/beam
! Combined flux in latest and established models = 1.20604 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 3 model components to the UV plane model.
! The established model now contains 7 components and 1.20604 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.332748Jy  sigma=0.004075
! Fit after  self-cal, rms=0.332692Jy  sigma=0.004074
! Inverting map 
! Added new window around map position (-4.8, -0.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0912135 Jy
! Total flux subtracted in 50 components = 0.0912135 Jy
! Clean residual min=-0.030394 max=0.060124 Jy/beam
! Clean residual mean=0.000121 rms=0.009641 Jy/beam
! Combined flux in latest and established models = 1.29726 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 21 components and 1.29726 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.301706Jy  sigma=0.003530
! Fit after  self-cal, rms=0.299770Jy  sigma=0.003510
! 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=2.172 mas, bmaj=5.923 mas, bpa=-9.002 degrees
! Estimated noise=464.219 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 = 0.120615 Jy
! Component: 100  -  total flux cleaned = 0.1827 Jy
! Total flux subtracted in 100 components = 0.1827 Jy
! Clean residual min=-0.032378 max=0.050073 Jy/beam
! Clean residual mean=-0.000162 rms=0.008541 Jy/beam
! Combined flux in latest and established models = 1.47995 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 41 model components to the UV plane model.
! The established model now contains 56 components and 1.47995 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.264314Jy  sigma=0.002773
! Fit after  self-cal, rms=0.262269Jy  sigma=0.002750
! 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 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   AP        1.00     BR        0.95     FD        0.99     HN        1.62     
!   KP        1.00     LA        1.00     MC        0.96     MK        1.03     
!   NL        0.98     HO        1.00*    NY        0.98     OV        0.93     
!   PT        0.95     SC        0.95     WZ        0.88     
! 
!  Telescope amplitude corrections in sub-array 2:
!   AP        0.00*    BR        0.00*    FD        0.00*    HN        0.00*    
!   KP        0.00*    LA        0.00*    MC        0.00*    MK        0.00*    
!   NL        0.00*    HO        0.00*    NY        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    WZ        0.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   AP        0.98     BR        1.00     FD        1.00*    HN        1.26     
!   KP        1.00*    LA        1.00*    MC        1.00*    MK        1.00*    
!   NL        1.03     HO        1.00*    NY        1.07     OV        1.05     
!   PT        1.00*    SC        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   AP        1.00*    BR        1.05     FD        1.00*    HN        1.00*    
!   KP        2.45     LA        0.95     MC        1.00*    MK        0.98     
!   NL        1.00*    HO        1.00*    NY        1.16     OV        0.93     
!   PT        1.02     SC        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   AP        0.99     BR        0.98     FD        1.01     HN        1.78     
!   KP        0.99     LA        0.98     MC        1.05     MK        1.00     
!   NL        0.97     HO        1.00*    NY        0.96     OV        0.92     
!   PT        0.95     SC        0.99     WZ        0.89     
! 
!  Telescope amplitude corrections in sub-array 2:
!   AP        0.00*    BR        0.00*    FD        0.00*    HN        0.00*    
!   KP        0.00*    LA        0.00*    MC        0.00*    MK        0.00*    
!   NL        0.00*    HO        0.00*    NY        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    WZ        0.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   AP        0.98     BR        0.97     FD        1.00*    HN        1.52     
!   KP        1.00*    LA        1.00*    MC        1.00*    MK        1.00*    
!   NL        0.99     HO        1.00*    NY        1.05     OV        1.03     
!   PT        1.00*    SC        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   AP        1.00*    BR        0.99     FD        1.00*    HN        1.00*    
!   KP        1.32     LA        0.99     MC        1.00*    MK        1.05     
!   NL        1.00*    HO        1.00*    NY        1.10     OV        0.97     
!   PT        1.11     SC        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   AP        0.98     BR        0.94     FD        1.01     HN        1.58     
!   KP        0.97     LA        0.98     MC        1.43     MK        0.95     
!   NL        0.97     HO        1.00*    NY        0.93     OV        0.91     
!   PT        0.95     SC        1.02     WZ        0.90     
! 
!  Telescope amplitude corrections in sub-array 2:
!   AP        0.00*    BR        0.00*    FD        0.00*    HN        0.00*    
!   KP        0.00*    LA        0.00*    MC        0.00*    MK        0.00*    
!   NL        0.00*    HO        0.00*    NY        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    WZ        0.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   AP        0.94     BR        0.98     FD        1.00*    HN        1.29     
!   KP        1.00*    LA        1.00*    MC        1.00*    MK        1.00*    
!   NL        1.02     HO        1.00*    NY        1.06     OV        1.03     
!   PT        1.00*    SC        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   AP        1.00*    BR        0.91     FD        1.00*    HN        1.00*    
!   KP        1.40     LA        0.89     MC        1.00*    MK        0.91     
!   NL        1.00*    HO        1.00*    NY        1.15     OV        0.92     
!   PT        1.06     SC        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 93 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   AP        1.00     BR        0.89     FD        1.03     HN        6.40     
!   KP        0.99     LA        0.97     MC        0.95     MK        0.92     
!   NL        0.98     HO        1.00*    NY        0.96     OV        0.92     
!   PT        0.96     SC        1.03     WZ        0.87     
! 
!  Telescope amplitude corrections in sub-array 2:
!   AP        0.00*    BR        0.00*    FD        0.00*    HN        0.00*    
!   KP        0.00*    LA        0.00*    MC        0.00*    MK        0.00*    
!   NL        0.00*    HO        0.00*    NY        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    WZ        0.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   AP        0.95     BR        0.98     FD        1.00*    HN        2.95     
!   KP        1.00*    LA        1.00*    MC        1.00*    MK        1.00*    
!   NL        1.00     HO        1.00*    NY        1.00     OV        1.03     
!   PT        1.00*    SC        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   AP        1.00*    BR        0.86     FD        1.00*    HN        1.00*    
!   KP        1.31     LA        0.92     MC        1.00*    MK        0.88     
!   NL        1.00*    HO        1.00*    NY        1.17     OV        0.89     
!   PT        1.00     SC        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.262269Jy  sigma=0.002750
! Fit after  self-cal, rms=0.230584Jy  sigma=0.001759
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.181 mas, bmaj=6.12 mas, bpa=-9.329 degrees
! Estimated noise=456.185 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 = 0.00632224 Jy
! Component: 100  -  total flux cleaned = 0.00823851 Jy
! Total flux subtracted in 100 components = 0.00823851 Jy
! Clean residual min=-0.018128 max=0.019060 Jy/beam
! Clean residual mean=0.000094 rms=0.004610 Jy/beam
! Combined flux in latest and established models = 1.48819 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 66 components and 1.48819 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.229842Jy  sigma=0.001725
! Fit after  self-cal, rms=0.229812Jy  sigma=0.001722
! 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 = -2.55495e-05 Jy
! Component: 100  -  total flux cleaned = 0.0010479 Jy
! Total flux subtracted in 100 components = 0.0010479 Jy
! Clean residual min=-0.018101 max=0.018609 Jy/beam
! Clean residual mean=0.000097 rms=0.004500 Jy/beam
! Combined flux in latest and established models = 1.48924 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 69 components and 1.48924 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.229543Jy  sigma=0.001704
! Fit after  self-cal, rms=0.297023Jy  sigma=0.001369
! Inverting map and beam 
! Estimated beam: bmin=2.188 mas, bmaj=6.119 mas, bpa=-9.311 degrees
! Estimated noise=456.569 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)
! Added new window around map position (-7.6, -1.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0122216 Jy
! Component: 100  -  total flux cleaned = 0.011204 Jy
! Total flux subtracted in 100 components = 0.011204 Jy
! Clean residual min=-0.014269 max=0.011855 Jy/beam
! Clean residual mean=-0.000010 rms=0.002759 Jy/beam
! Combined flux in latest and established models = 1.50045 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 84 components and 1.50045 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.296286Jy  sigma=0.001342
! Fit after  self-cal, rms=0.296174Jy  sigma=0.001339
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1923+210_S
! Writing UV FITS file: 1923+210_S.uvf
! Writing 84 model components to file: 1923+210_S.mod
! wwins: Wrote 3 windows to 1923+210_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.188 x 6.119 at -9.311 degrees (North through East)
! Clean map  min=-0.013355  max=1.068 Jy/beam
! Writing clean map to FITS file: 1923+210_S.fits
! Writing difmap environment to: 1923+210_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1923+210_S]
device 1923+210_Suv.ps/vps,1,2
! Attempting to open device: '1923+210_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1923+210_Sim.ps/vps
! Attempting to open device: '1923+210_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=2.188 mas, bmaj=6.119 mas, bpa=-9.311 degrees
! Estimated noise=456.569 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.188 x 6.119 at -9.311 degrees (North through East)
! Clean map  min=-0.013355  max=1.068 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1923+210_S.log closed on Tue Sep 12 11:11:59 2006