! Started logfile: 0955+476_X.log on Tue Mar  4 21:20:18 2008
observe 0955+476_X.edt
! Reading UV FITS file: 0955+476_X.edt
! AN table 1: 6 integrations on 136 of 136 possible baselines.
! AN table 2: 325 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.345699 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0955+476
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1214 lines of history.
! 
! Reading 62248 visibilities.
![@gonzo8-0.1 0955+476_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
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 0.100x0.100 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 62 telescope corrections were flagged in sub-array 1.
!  A total of 3479 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 62 telescope corrections were flagged in sub-array 1.
!  A total of 3454 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 62 telescope corrections were flagged in sub-array 1.
!  A total of 3476 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 61 telescope corrections were flagged in sub-array 1.
!  A total of 3643 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.336629Jy  sigma=0.004942
! Fit after  self-cal, rms=0.334560Jy  sigma=0.004923
! 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=0.5304 mas, bmaj=0.6423 mas, bpa=-20.71 degrees
! Estimated noise=537.812 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 = 0.512854 Jy
! Total flux subtracted in 50 components = 0.512854 Jy
! Clean residual min=-0.023630 max=0.143202 Jy/beam
! Clean residual mean=-0.000062 rms=0.004939 Jy/beam
! Combined flux in latest and established models = 0.512854 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 0.512854 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.267975Jy  sigma=0.004520
! Fit after  self-cal, rms=0.267975Jy  sigma=0.004520
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.128919 Jy
! Total flux subtracted in 50 components = 0.128919 Jy
! Clean residual min=-0.016508 max=0.056438 Jy/beam
! Clean residual mean=-0.000045 rms=0.003459 Jy/beam
! Combined flux in latest and established models = 0.641773 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 13 components and 0.641773 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.189048Jy  sigma=0.003183
! Fit after  self-cal, rms=0.189042Jy  sigma=0.003183
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0684431 Jy
! Total flux subtracted in 50 components = 0.0684431 Jy
! Clean residual min=-0.013366 max=0.036633 Jy/beam
! Clean residual mean=-0.000036 rms=0.002885 Jy/beam
! Combined flux in latest and established models = 0.710216 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 24 components and 0.710216 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160848Jy  sigma=0.002613
! Fit after  self-cal, rms=0.160844Jy  sigma=0.002613
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.046002 Jy
! Total flux subtracted in 50 components = 0.046002 Jy
! Clean residual min=-0.012443 max=0.025165 Jy/beam
! Clean residual mean=-0.000030 rms=0.002565 Jy/beam
! Combined flux in latest and established models = 0.756218 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 27 components and 0.756218 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.146822Jy  sigma=0.002287
! Fit after  self-cal, rms=0.146820Jy  sigma=0.002287
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0318327 Jy
! Total flux subtracted in 50 components = 0.0318327 Jy
! Clean residual min=-0.011731 max=0.020542 Jy/beam
! Clean residual mean=-0.000026 rms=0.002383 Jy/beam
! Combined flux in latest and established models = 0.788051 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 29 components and 0.788051 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139838Jy  sigma=0.002095
! Fit after  self-cal, rms=0.139835Jy  sigma=0.002095
! Inverting map 
! Added new window around map position (1.5, 0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0236996 Jy
! Total flux subtracted in 50 components = 0.0236996 Jy
! Clean residual min=-0.011754 max=0.019431 Jy/beam
! Clean residual mean=-0.000023 rms=0.002272 Jy/beam
! Combined flux in latest and established models = 0.81175 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 33 components and 0.81175 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.136297Jy  sigma=0.001984
! Fit after  self-cal, rms=0.136266Jy  sigma=0.001984
! Inverting map 
! Added new window around map position (-1.6, -1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0200454 Jy
! Total flux subtracted in 50 components = 0.0200454 Jy
! Clean residual min=-0.011462 max=0.018902 Jy/beam
! Clean residual mean=-0.000020 rms=0.002192 Jy/beam
! Combined flux in latest and established models = 0.831796 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 38 components and 0.831796 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.133709Jy  sigma=0.001908
! Fit after  self-cal, rms=0.133654Jy  sigma=0.001907
! 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=0.6696 mas, bmaj=0.7949 mas, bpa=-28.92 degrees
! Estimated noise=242.055 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 = 0.0288763 Jy
! Component: 100  -  total flux cleaned = 0.0467199 Jy
! Total flux subtracted in 100 components = 0.0467199 Jy
! Clean residual min=-0.009115 max=0.019425 Jy/beam
! Clean residual mean=-0.000043 rms=0.002273 Jy/beam
! Combined flux in latest and established models = 0.878515 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 48 components and 0.878516 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130523Jy  sigma=0.001763
! Fit after  self-cal, rms=0.130494Jy  sigma=0.001762
! Inverting map 
! Added new window around map position (0.9, 2.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0184153 Jy
! Component: 100  -  total flux cleaned = 0.028607 Jy
! Total flux subtracted in 100 components = 0.028607 Jy
! Clean residual min=-0.009333 max=0.015957 Jy/beam
! Clean residual mean=-0.000097 rms=0.002048 Jy/beam
! Combined flux in latest and established models = 0.907123 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 60 components and 0.907123 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128590Jy  sigma=0.001711
! Fit after  self-cal, rms=0.128498Jy  sigma=0.001709
! 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        0.94     FD        1.01     GC        1.10     HN        1.00*    
!   KK        1.00*    KP        1.07     LA        1.03     MC        1.00*    
!   MK        1.00*    NL        1.19     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.03     SC        0.95     WF        1.00*    
!   WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.97     GC        1.09     HN        0.94     
!   KK        0.98     KP        0.98     LA        0.96     MC        1.16     
!   MK        0.95     NL        1.21     NY        0.89     ON        0.88     
!   OV        0.96     PT        0.95     SC        1.00     WF        0.96     
!   WZ        1.22     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.90     FD        1.03     GC        1.16     HN        1.00*    
!   KK        1.00*    KP        1.06     LA        1.08     MC        1.00*    
!   MK        1.00*    NL        1.23     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.02     SC        0.96     WF        1.00*    
!   WZ        1.00*    
! 
!  A total of 33 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.96     GC        1.16     HN        0.93     
!   KK        0.99     KP        0.98     LA        0.97     MC        1.14     
!   MK        0.94     NL        1.19     NY        0.91     ON        0.89     
!   OV        0.95     PT        0.98     SC        0.98     WF        0.98     
!   WZ        1.00     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.93     FD        1.03     GC        1.30     HN        1.00*    
!   KK        1.00*    KP        1.08     LA        1.02     MC        1.00*    
!   MK        1.00*    NL        1.12     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.03     SC        0.97     WF        1.00*    
!   WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.99     GC        1.15     HN        0.95     
!   KK        0.98     KP        1.01     LA        0.96     MC        1.21     
!   MK        0.95     NL        1.18     NY        0.92     ON        0.89     
!   OV        0.97     PT        1.00     SC        1.01     WF        1.05     
!   WZ        1.02     
! 
! 
! 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        1.02     GC        1.14     HN        1.00*    
!   KK        1.00*    KP        1.03     LA        1.08     MC        1.00*    
!   MK        1.00*    NL        1.06     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.05     SC        0.98     WF        1.00*    
!   WZ        1.00*    
! 
!  A total of 33 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.97     GC        1.12     HN        0.95     
!   KK        0.99     KP        0.99     LA        0.99     MC        1.29     
!   MK        0.96     NL        1.21     NY        0.94     ON        0.90     
!   OV        0.97     PT        1.04     SC        1.07     WF        1.13     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.128498Jy  sigma=0.001709
! Fit after  self-cal, rms=0.106394Jy  sigma=0.001315
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.682 mas, bmaj=0.8042 mas, bpa=-30.4 degrees
! Estimated noise=242.928 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 = -0.00966246 Jy
! Component: 100  -  total flux cleaned = -0.0161384 Jy
! Total flux subtracted in 100 components = -0.0161384 Jy
! Clean residual min=-0.005969 max=0.006441 Jy/beam
! Clean residual mean=-0.000097 rms=0.001038 Jy/beam
! Combined flux in latest and established models = 0.890984 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 79 components and 0.890984 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105590Jy  sigma=0.001297
! Fit after  self-cal, rms=0.105584Jy  sigma=0.001297
! 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 (-1.7, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00246616 Jy
! Component: 100  -  total flux cleaned = 0.000934232 Jy
! Total flux subtracted in 100 components = 0.000934232 Jy
! Clean residual min=-0.005877 max=0.006264 Jy/beam
! Clean residual mean=-0.000099 rms=0.001005 Jy/beam
! Combined flux in latest and established models = 0.891918 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 91 components and 0.891918 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105028Jy  sigma=0.001288
! Fit after  self-cal, rms=0.097164Jy  sigma=0.001154
! Inverting map and beam 
! Estimated beam: bmin=0.6793 mas, bmaj=0.8114 mas, bpa=-29.43 degrees
! Estimated noise=242.956 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 = -0.00588133 Jy
! Component: 100  -  total flux cleaned = -0.00807268 Jy
! Total flux subtracted in 100 components = -0.00807268 Jy
! Clean residual min=-0.003808 max=0.002294 Jy/beam
! Clean residual mean=-0.000084 rms=0.000537 Jy/beam
! Combined flux in latest and established models = 0.883846 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 99 components and 0.883846 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.096776Jy  sigma=0.001147
! Fit after  self-cal, rms=0.096758Jy  sigma=0.001147
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0955+476_X
! Writing UV FITS file: 0955+476_X.uvf
! Writing 99 model components to file: 0955+476_X.mod
! wwins: Wrote 5 windows to 0955+476_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6793 x 0.8114 at -29.43 degrees (North through East)
! Clean map  min=-0.003683  max=0.7108 Jy/beam
! Writing clean map to FITS file: 0955+476_X.fits
! Writing difmap environment to: 0955+476_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0955+476_X]
device 0955+476_Xuv.ps/vps,1,2
! Attempting to open device: '0955+476_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0955+476_Xim.ps/vps
! Attempting to open device: '0955+476_Xim.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=0.6793 mas, bmaj=0.8114 mas, bpa=-29.43 degrees
! Estimated noise=242.956 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6793 x 0.8114 at -29.43 degrees (North through East)
! Clean map  min=-0.003683  max=0.7108 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0955+476_X.log closed on Tue Mar  4 21:20:32 2008