! Started logfile: 0823+033_S.log on Tue Apr 29 22:15:48 2008
observe 0823+033_S.edt
! Reading UV FITS file: 0823+033_S.edt
! AN table 1: 19 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0870313 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 963 lines of history.
! 
! Reading 1012 visibilities.
![@gonzo6-0.4 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 = 6.0
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 293 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 290 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 290 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 297 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.212961Jy  sigma=0.002216
! Fit after  self-cal, rms=0.211407Jy  sigma=0.002204
! 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=2.471 mas, bmaj=5.821 mas, bpa=-10.74 degrees
! Estimated noise=4172.51 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 = 0.736452 Jy
! Total flux subtracted in 50 components = 0.736452 Jy
! Clean residual min=-0.056933 max=0.205382 Jy/beam
! Clean residual mean=0.000694 rms=0.018663 Jy/beam
! Combined flux in latest and established models = 0.736452 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 0.736452 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.326160Jy  sigma=0.003475
! Fit after  self-cal, rms=0.326161Jy  sigma=0.003475
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.199961 Jy
! Total flux subtracted in 50 components = 0.199961 Jy
! Clean residual min=-0.034984 max=0.088556 Jy/beam
! Clean residual mean=0.000461 rms=0.010074 Jy/beam
! Combined flux in latest and established models = 0.936413 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 9 components and 0.936413 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.193694Jy  sigma=0.002046
! Fit after  self-cal, rms=0.193569Jy  sigma=0.002045
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0969482 Jy
! Total flux subtracted in 50 components = 0.0969482 Jy
! Clean residual min=-0.026356 max=0.045052 Jy/beam
! Clean residual mean=0.000348 rms=0.006546 Jy/beam
! Combined flux in latest and established models = 1.03336 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 12 components and 1.03336 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.143656Jy  sigma=0.001464
! Fit after  self-cal, rms=0.143550Jy  sigma=0.001463
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0513911 Jy
! Total flux subtracted in 50 components = 0.0513911 Jy
! Clean residual min=-0.022300 max=0.026107 Jy/beam
! Clean residual mean=0.000288 rms=0.005120 Jy/beam
! Combined flux in latest and established models = 1.08475 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 21 components and 1.08475 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124857Jy  sigma=0.001223
! Fit after  self-cal, rms=0.124807Jy  sigma=0.001223
! 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=2.692 mas, bmaj=7.275 mas, bpa=-12.83 degrees
! Estimated noise=2949.6 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 = 0.0461866 Jy
! Component: 100  -  total flux cleaned = 0.0721104 Jy
! Total flux subtracted in 100 components = 0.0721104 Jy
! Clean residual min=-0.016748 max=0.021031 Jy/beam
! Clean residual mean=0.000780 rms=0.004207 Jy/beam
! Combined flux in latest and established models = 1.15686 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 38 components and 1.15686 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110634Jy  sigma=0.001014
! Fit after  self-cal, rms=0.110547Jy  sigma=0.001013
! 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        0.99     FD        0.98     GC        1.01     HH        1.00*    
!   HN        1.00     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00*    MK        0.99     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00*    SC        1.02     
!   WF        1.00     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        0.99     FD        0.98     GC        1.01     HH        1.00*    
!   HN        1.00     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00*    MK        0.99     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00*    SC        1.04     
!   WF        1.02     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.01     GC        1.02     HH        1.00*    
!   HN        1.00     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00*    MK        0.99     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00*    SC        1.06     
!   WF        1.02     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.03     GC        1.01     HH        1.00*    
!   HN        1.00     KK        0.98     KP        0.99     LA        1.00*    
!   MC        1.00*    MK        0.99     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.00*    SC        1.05     
!   WF        1.00     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.110547Jy  sigma=0.001013
! Fit after  self-cal, rms=0.108724Jy  sigma=0.000992
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.704 mas, bmaj=7.345 mas, bpa=-13.08 degrees
! Estimated noise=2912.83 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 = 0.0112537 Jy
! Component: 100  -  total flux cleaned = 0.0135909 Jy
! Total flux subtracted in 100 components = 0.0135909 Jy
! Clean residual min=-0.013949 max=0.016438 Jy/beam
! Clean residual mean=0.000748 rms=0.003552 Jy/beam
! Combined flux in latest and established models = 1.17045 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 51 components and 1.17045 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107869Jy  sigma=0.000976
! Fit after  self-cal, rms=0.107804Jy  sigma=0.000975
! 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, 9.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0162775 Jy
! Component: 100  -  total flux cleaned = 0.0262695 Jy
! Total flux subtracted in 100 components = 0.0262695 Jy
! Clean residual min=-0.012504 max=0.012414 Jy/beam
! Clean residual mean=0.000632 rms=0.003039 Jy/beam
! Combined flux in latest and established models = 1.19672 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 75 components and 1.19672 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105284Jy  sigma=0.000946
! Fit after  self-cal, rms=0.103581Jy  sigma=0.000934
! Inverting map and beam 
! Estimated beam: bmin=2.701 mas, bmaj=7.344 mas, bpa=-13.08 degrees
! Estimated noise=2918.7 mJy/beam.
! Added new window around map position (-51.2, -16).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0114719 Jy
! Component: 100  -  total flux cleaned = 0.0160408 Jy
! Total flux subtracted in 100 components = 0.0160408 Jy
! Clean residual min=-0.012097 max=0.010903 Jy/beam
! Clean residual mean=0.000498 rms=0.002742 Jy/beam
! Combined flux in latest and established models = 1.21276 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 94 components and 1.21276 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102030Jy  sigma=0.000922
! Fit after  self-cal, rms=0.101740Jy  sigma=0.000919
! Inverting map and beam 
! Estimated beam: bmin=2.7 mas, bmaj=7.344 mas, bpa=-13.07 degrees
! Estimated noise=2918.85 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 = 0.00592993 Jy
! Component: 100  -  total flux cleaned = 0.00925029 Jy
! Total flux subtracted in 100 components = 0.00925029 Jy
! Clean residual min=-0.011962 max=0.010830 Jy/beam
! Clean residual mean=0.000444 rms=0.002651 Jy/beam
! Combined flux in latest and established models = 1.22201 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 105 components and 1.22201 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101101Jy  sigma=0.000914
! Fit after  self-cal, rms=0.101058Jy  sigma=0.000914
! 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 105 model components to file: 0823+033_S.mod
! wwins: Wrote 3 windows to 0823+033_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.7 x 7.344 at -13.07 degrees (North through East)
! Clean map  min=-0.011576  max=0.97187 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=2.7 mas, bmaj=7.344 mas, bpa=-13.07 degrees
! Estimated noise=2918.85 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.7 x 7.344 at -13.07 degrees (North through East)
! Clean map  min=-0.011576  max=0.97187 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 0823+033_S.log closed on Tue Apr 29 22:15:54 2008