! Started logfile: 0552+398_S.log on Tue Apr 15 19:34:28 2008
observe 0552+398_S.edt
! Reading UV FITS file: 0552+398_S.edt
! AN table 1: 186 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.250088 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0552+398
! 
! 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 28468 visibilities.
![@gonzo7-0.4 0552+398_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 2009 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 2026 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 2001 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 2169 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.994664Jy  sigma=0.028600
! Fit after  self-cal, rms=1.994789Jy  sigma=0.028608
! 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=2.459 mas, bmaj=3.18 mas, bpa=11.58 degrees
! Estimated noise=937.679 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 = 2.23461 Jy
! Total flux subtracted in 50 components = 2.23461 Jy
! Clean residual min=-0.062740 max=0.623561 Jy/beam
! Clean residual mean=-0.000319 rms=0.019573 Jy/beam
! Combined flux in latest and established models = 2.23461 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 2.23461 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.793748Jy  sigma=0.011659
! Fit after  self-cal, rms=0.793748Jy  sigma=0.011659
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.510893 Jy
! Total flux subtracted in 50 components = 0.510893 Jy
! Clean residual min=-0.027132 max=0.190989 Jy/beam
! Clean residual mean=-0.000157 rms=0.008505 Jy/beam
! Combined flux in latest and established models = 2.74551 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 7 components and 2.74551 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.366909Jy  sigma=0.005329
! Fit after  self-cal, rms=0.366889Jy  sigma=0.005329
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.204726 Jy
! Total flux subtracted in 50 components = 0.204726 Jy
! Clean residual min=-0.018106 max=0.098375 Jy/beam
! Clean residual mean=-0.000094 rms=0.005224 Jy/beam
! Combined flux in latest and established models = 2.95023 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 15 components and 2.95023 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.235099Jy  sigma=0.003267
! Fit after  self-cal, rms=0.235084Jy  sigma=0.003267
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.118064 Jy
! Total flux subtracted in 50 components = 0.118064 Jy
! Clean residual min=-0.014359 max=0.062065 Jy/beam
! Clean residual mean=-0.000057 rms=0.003596 Jy/beam
! Combined flux in latest and established models = 3.0683 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 23 components and 3.0683 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.173264Jy  sigma=0.002249
! Fit after  self-cal, rms=0.173244Jy  sigma=0.002249
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0758098 Jy
! Total flux subtracted in 50 components = 0.0758098 Jy
! Clean residual min=-0.012139 max=0.040343 Jy/beam
! Clean residual mean=-0.000033 rms=0.002672 Jy/beam
! Combined flux in latest and established models = 3.14411 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 31 components and 3.14411 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.141868Jy  sigma=0.001701
! Fit after  self-cal, rms=0.141836Jy  sigma=0.001701
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0501994 Jy
! Total flux subtracted in 50 components = 0.0501994 Jy
! Clean residual min=-0.011760 max=0.027145 Jy/beam
! Clean residual mean=-0.000018 rms=0.002162 Jy/beam
! Combined flux in latest and established models = 3.19431 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 32 components and 3.19431 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.126888Jy  sigma=0.001430
! Fit after  self-cal, rms=0.126856Jy  sigma=0.001430
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0338842 Jy
! Total flux subtracted in 50 components = 0.0338842 Jy
! Clean residual min=-0.012547 max=0.018281 Jy/beam
! Clean residual mean=-0.000007 rms=0.001894 Jy/beam
! Combined flux in latest and established models = 3.22819 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 34 components and 3.22819 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120261Jy  sigma=0.001311
! Fit after  self-cal, rms=0.120229Jy  sigma=0.001310
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0183582 Jy
! Total flux subtracted in 50 components = 0.0183582 Jy
! Clean residual min=-0.013689 max=0.013760 Jy/beam
! Clean residual mean=-0.000001 rms=0.001765 Jy/beam
! Combined flux in latest and established models = 3.24655 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 34 components and 3.24655 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117732Jy  sigma=0.001272
! Fit after  self-cal, rms=0.117716Jy  sigma=0.001272
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00768295 Jy
! Total flux subtracted in 50 components = 0.00768295 Jy
! Clean residual min=-0.013257 max=0.011605 Jy/beam
! Clean residual mean=0.000001 rms=0.001687 Jy/beam
! Combined flux in latest and established models = 3.25423 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 34 components and 3.25423 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116521Jy  sigma=0.001260
! Fit after  self-cal, rms=0.116511Jy  sigma=0.001260
! 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=3.164 mas, bmaj=4.343 mas, bpa=31.43 degrees
! Estimated noise=378.155 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 = 0.00627919 Jy
! Component: 100  -  total flux cleaned = 0.00722771 Jy
! Total flux subtracted in 100 components = 0.00722771 Jy
! Clean residual min=-0.007194 max=0.006138 Jy/beam
! Clean residual mean=-0.000000 rms=0.000954 Jy/beam
! Combined flux in latest and established models = 3.26146 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 40 components and 3.26146 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115420Jy  sigma=0.001246
! Fit after  self-cal, rms=0.115411Jy  sigma=0.001246
! 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        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        1.00     LA        1.00     
!   MC        1.01     MK        1.00     NL        1.00     NY        1.01     
!   ON        1.02     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.00     WZ        1.01     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        1.00     LA        1.00     
!   MC        1.01     MK        1.01     NL        1.00     NY        1.01     
!   ON        1.01     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.00     WZ        1.01     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        1.00     LA        1.00     
!   MC        1.03     MK        1.01     NL        1.00     NY        1.01     
!   ON        1.02     OV        1.00     PT        1.00     SC        1.01     
!   WF        1.00     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        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        1.00     LA        1.00*    
!   MC        1.02     MK        1.01     NL        1.00     NY        1.01     
!   ON        1.02     OV        1.00     PT        1.00     SC        1.01     
!   WF        1.00     WZ        1.02     
! 
! 
! Fit before self-cal, rms=0.115411Jy  sigma=0.001246
! Fit after  self-cal, rms=0.114208Jy  sigma=0.001233
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.171 mas, bmaj=4.355 mas, bpa=31.52 degrees
! Estimated noise=378.561 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 = -0.00678438 Jy
! Component: 100  -  total flux cleaned = -0.00699233 Jy
! Total flux subtracted in 100 components = -0.00699233 Jy
! Clean residual min=-0.005004 max=0.004814 Jy/beam
! Clean residual mean=-0.000001 rms=0.000818 Jy/beam
! Combined flux in latest and established models = 3.25447 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 41 components and 3.25447 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113654Jy  sigma=0.001226
! Fit after  self-cal, rms=0.113655Jy  sigma=0.001226
! 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 = -0.000168149 Jy
! Component: 100  -  total flux cleaned = -0.000293129 Jy
! Total flux subtracted in 100 components = -0.000293129 Jy
! Clean residual min=-0.004909 max=0.004815 Jy/beam
! Clean residual mean=-0.000001 rms=0.000810 Jy/beam
! Combined flux in latest and established models = 3.25417 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 42 components and 3.25417 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113450Jy  sigma=0.001225
! Fit after  self-cal, rms=0.112180Jy  sigma=0.001211
! Inverting map and beam 
! Estimated beam: bmin=3.173 mas, bmaj=4.358 mas, bpa=31.49 degrees
! Estimated noise=378.854 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 = -0.00272562 Jy
! Component: 100  -  total flux cleaned = -0.00295385 Jy
! Total flux subtracted in 100 components = -0.00295385 Jy
! Clean residual min=-0.005363 max=0.004081 Jy/beam
! Clean residual mean=0.000000 rms=0.000749 Jy/beam
! Combined flux in latest and established models = 3.25122 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 48 components and 3.25122 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111990Jy  sigma=0.001208
! Fit after  self-cal, rms=0.111990Jy  sigma=0.001208
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0552+398_S
! Writing UV FITS file: 0552+398_S.uvf
! Writing 48 model components to file: 0552+398_S.mod
! wwins: Wrote 1 windows to 0552+398_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.173 x 4.358 at 31.49 degrees (North through East)
! Clean map  min=-0.0035358  max=2.9904 Jy/beam
! Writing clean map to FITS file: 0552+398_S.fits
! Writing difmap environment to: 0552+398_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0552+398_S]
device 0552+398_Suv.ps/vps,1,2
! Attempting to open device: '0552+398_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0552+398_Sim.ps/vps
! Attempting to open device: '0552+398_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=3.173 mas, bmaj=4.358 mas, bpa=31.49 degrees
! Estimated noise=378.854 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.173 x 4.358 at 31.49 degrees (North through East)
! Clean map  min=-0.0035358  max=2.9904 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0552+398_S.log closed on Tue Apr 15 19:34:38 2008