! Started logfile: 0920-397_S.log on Tue Jan 22 21:23:23 2008
observe 0920-397_S.edt
! Reading UV FITS file: 0920-397_S.edt
! AN table 1: 11 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.147059 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0920-397
! 
! 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 1251 lines of history.
! 
! Reading 880 visibilities.
![@gonzo5-0.4 0920-397_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 = 5.0
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 129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 129 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.394719Jy  sigma=0.004221
! Fit after  self-cal, rms=0.393816Jy  sigma=0.004213
! 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=2.103 mas, bmaj=6.617 mas, bpa=-0.2286 degrees
! Estimated noise=3085.63 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 = 0.559857 Jy
! Total flux subtracted in 50 components = 0.559857 Jy
! Clean residual min=-0.064682 max=0.196026 Jy/beam
! Clean residual mean=-0.001068 rms=0.032464 Jy/beam
! Combined flux in latest and established models = 0.559857 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.559857 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.422635Jy  sigma=0.004824
! Fit after  self-cal, rms=0.422634Jy  sigma=0.004824
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.218821 Jy
! Total flux subtracted in 50 components = 0.218821 Jy
! Clean residual min=-0.040558 max=0.113266 Jy/beam
! Clean residual mean=-0.000860 rms=0.021412 Jy/beam
! Combined flux in latest and established models = 0.778679 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 27 components and 0.778679 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.291071Jy  sigma=0.003320
! Fit after  self-cal, rms=0.291022Jy  sigma=0.003320
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.137394 Jy
! Total flux subtracted in 50 components = 0.137394 Jy
! Clean residual min=-0.028916 max=0.073753 Jy/beam
! Clean residual mean=-0.000731 rms=0.014944 Jy/beam
! Combined flux in latest and established models = 0.916073 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 39 components and 0.916073 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.218321Jy  sigma=0.002470
! Fit after  self-cal, rms=0.218294Jy  sigma=0.002470
! Inverting map 
! Added new window around map position (-2.4, -10.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0895964 Jy
! Total flux subtracted in 50 components = 0.0895964 Jy
! Clean residual min=-0.022468 max=0.053707 Jy/beam
! Clean residual mean=-0.000640 rms=0.011023 Jy/beam
! Combined flux in latest and established models = 1.00567 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 58 components and 1.00567 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179173Jy  sigma=0.001992
! Fit after  self-cal, rms=0.178999Jy  sigma=0.001991
! 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=2.492 mas, bmaj=7.685 mas, bpa=-5.956 degrees
! Estimated noise=2409.66 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 = 0.085222 Jy
! Component: 100  -  total flux cleaned = 0.1341 Jy
! Total flux subtracted in 100 components = 0.1341 Jy
! Clean residual min=-0.025131 max=0.045062 Jy/beam
! Clean residual mean=-0.001148 rms=0.009676 Jy/beam
! Combined flux in latest and established models = 1.13977 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 85 components and 1.13977 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.141884Jy  sigma=0.001499
! Fit after  self-cal, rms=0.141447Jy  sigma=0.001496
! Inverting map 
! Added new window around map position (-27.6, 100).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0430418 Jy
! Component: 100  -  total flux cleaned = 0.0662428 Jy
! Total flux subtracted in 100 components = 0.0662428 Jy
! Clean residual min=-0.019934 max=0.029241 Jy/beam
! Clean residual mean=-0.000799 rms=0.006493 Jy/beam
! Combined flux in latest and established models = 1.20601 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 120 components and 1.20601 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129542Jy  sigma=0.001356
! Fit after  self-cal, rms=0.128270Jy  sigma=0.001342
! 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        1.00*    FD        1.02     GC        1.00*    HN        1.00*    
!   KK        1.07     KP        0.89     LA        0.96     MC        1.00*    
!   MK        1.04     NL        1.04     NY        1.00*    ON        1.00*    
!   OV        1.04     PT        1.00     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        0.92     LA        0.96     MC        1.00*    
!   MK        1.00     NL        1.11     NY        1.00*    ON        1.00*    
!   OV        1.10     PT        0.95     SC        1.05     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00     GC        1.00*    HN        1.00*    
!   KK        0.99     KP        1.03     LA        0.95     MC        1.00*    
!   MK        0.94     NL        1.10     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.01     SC        1.03     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.94     GC        1.00*    HN        1.00*    
!   KK        1.04     KP        1.00     LA        0.89     MC        1.00*    
!   MK        0.92     NL        1.11     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        1.00     SC        0.97     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.128270Jy  sigma=0.001342
! Fit after  self-cal, rms=0.112973Jy  sigma=0.001119
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.502 mas, bmaj=7.702 mas, bpa=-5.97 degrees
! Estimated noise=2400.2 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 (8, -27.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0105084 Jy
! Component: 100  -  total flux cleaned = 0.0113606 Jy
! Total flux subtracted in 100 components = 0.0113606 Jy
! Clean residual min=-0.008595 max=0.010003 Jy/beam
! Clean residual mean=-0.000302 rms=0.002828 Jy/beam
! Combined flux in latest and established models = 1.21737 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 136 components and 1.21737 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111632Jy  sigma=0.001107
! Fit after  self-cal, rms=0.111572Jy  sigma=0.001106
! 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 (-16, -87.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00862478 Jy
! Component: 100  -  total flux cleaned = 0.012066 Jy
! Total flux subtracted in 100 components = 0.012066 Jy
! Clean residual min=-0.008390 max=0.007933 Jy/beam
! Clean residual mean=-0.000265 rms=0.002580 Jy/beam
! Combined flux in latest and established models = 1.22944 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 158 components and 1.22944 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110843Jy  sigma=0.001099
! Fit after  self-cal, rms=0.109575Jy  sigma=0.001092
! Inverting map and beam 
! Estimated beam: bmin=2.501 mas, bmaj=7.692 mas, bpa=-5.925 degrees
! Estimated noise=2393.64 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 = 0.00422371 Jy
! Component: 100  -  total flux cleaned = 0.00498184 Jy
! Total flux subtracted in 100 components = 0.00498184 Jy
! Clean residual min=-0.008475 max=0.007568 Jy/beam
! Clean residual mean=-0.000231 rms=0.002440 Jy/beam
! Combined flux in latest and established models = 1.23442 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 169 components and 1.23442 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109327Jy  sigma=0.001090
! Fit after  self-cal, rms=0.109296Jy  sigma=0.001090
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0920-397_S
! Writing UV FITS file: 0920-397_S.uvf
! Writing 169 model components to file: 0920-397_S.mod
! wwins: Wrote 5 windows to 0920-397_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.501 x 7.692 at -5.925 degrees (North through East)
! Clean map  min=-0.0079741  max=0.74142 Jy/beam
! Writing clean map to FITS file: 0920-397_S.fits
! Writing difmap environment to: 0920-397_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0920-397_S]
device 0920-397_Suv.ps/vps,1,2
! Attempting to open device: '0920-397_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0920-397_Sim.ps/vps
! Attempting to open device: '0920-397_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=2.501 mas, bmaj=7.692 mas, bpa=-5.925 degrees
! Estimated noise=2393.64 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.501 x 7.692 at -5.925 degrees (North through East)
! Clean map  min=-0.0079741  max=0.74142 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 0920-397_S.log closed on Tue Jan 22 21:23:28 2008