! Started logfile: 1251-197_S.log on Fri Apr 18 07:17:06 2008
observe 1251-197_S.edt
! Reading UV FITS file: 1251-197_S.edt
! AN table 1: 113 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.158251 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1251-197
! 
! 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 1141 lines of history.
! 
! Reading 9728 visibilities.
![@gonzo7-0.4 1251-197_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 1270 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1194 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1197 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1259 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.841994Jy  sigma=0.009811
! Fit after  self-cal, rms=0.841611Jy  sigma=0.009809
! 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=2.756 mas, bmaj=7.465 mas, bpa=-11.96 degrees
! Estimated noise=2235.94 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 = 0.118663 Jy
! Total flux subtracted in 50 components = 0.118663 Jy
! Clean residual min=-0.013556 max=0.033117 Jy/beam
! Clean residual mean=0.000040 rms=0.003564 Jy/beam
! Combined flux in latest and established models = 0.118663 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.118663 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116091Jy  sigma=0.001202
! Fit after  self-cal, rms=0.116091Jy  sigma=0.001202
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0283259 Jy
! Total flux subtracted in 50 components = 0.0283259 Jy
! Clean residual min=-0.011428 max=0.011593 Jy/beam
! Clean residual mean=0.000013 rms=0.002786 Jy/beam
! Combined flux in latest and established models = 0.146989 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 11 components and 0.146989 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108021Jy  sigma=0.001115
! Fit after  self-cal, rms=0.108017Jy  sigma=0.001115
! 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=3.72 mas, bmaj=12.9 mas, bpa=-16.02 degrees
! Estimated noise=672.573 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 = 0.0153082 Jy
! Component: 100  -  total flux cleaned = 0.0215234 Jy
! Total flux subtracted in 100 components = 0.0215234 Jy
! Clean residual min=-0.006918 max=0.005352 Jy/beam
! Clean residual mean=-0.000018 rms=0.001674 Jy/beam
! Combined flux in latest and established models = 0.168512 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 34 components and 0.168512 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105637Jy  sigma=0.001097
! Fit after  self-cal, rms=0.105634Jy  sigma=0.001097
! 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 90 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.07     HN        1.05     KB        1.00*    
!   KK        1.00*    KP        0.77     LA        1.02     MK        1.43     
!   NL        1.07     NY        1.00*    OV        0.86     PT        1.05     
!   SC        0.82     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.05     HN        1.06     KB        1.00*    
!   KK        1.00*    KP        0.86     LA        1.04     MK        1.00     
!   NL        1.06     NY        1.00*    OV        0.85     PT        1.02     
!   SC        0.80     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 87 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.03     HN        1.09     KB        1.00*    
!   KK        1.00*    KP        0.80     LA        1.03     MK        1.01     
!   NL        1.09     NY        1.00*    OV        0.87     PT        1.05     
!   SC        1.22     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00*    HN        1.10     KB        1.00*    
!   KK        1.00*    KP        0.83     LA        1.03     MK        1.00     
!   NL        1.03     NY        1.00*    OV        0.87     PT        1.06     
!   SC        1.08     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.105634Jy  sigma=0.001097
! Fit after  self-cal, rms=0.099443Jy  sigma=0.001081
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.763 mas, bmaj=12.99 mas, bpa=-16.78 degrees
! Estimated noise=682.628 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 = -0.000125611 Jy
! Component: 100  -  total flux cleaned = -0.000150097 Jy
! Total flux subtracted in 100 components = -0.000150097 Jy
! Clean residual min=-0.002870 max=0.002702 Jy/beam
! Clean residual mean=-0.000012 rms=0.000721 Jy/beam
! Combined flux in latest and established models = 0.168362 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 40 components and 0.168362 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099435Jy  sigma=0.001081
! Fit after  self-cal, rms=0.099417Jy  sigma=0.001081
! 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 = -2.57598e-05 Jy
! Component: 100  -  total flux cleaned = -6.38312e-05 Jy
! Total flux subtracted in 100 components = -6.38312e-05 Jy
! Clean residual min=-0.002855 max=0.002676 Jy/beam
! Clean residual mean=-0.000012 rms=0.000718 Jy/beam
! Combined flux in latest and established models = 0.168298 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 44 components and 0.168298 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099413Jy  sigma=0.001081
! Fit after  self-cal, rms=0.099762Jy  sigma=0.001065
! Inverting map and beam 
! Estimated beam: bmin=3.768 mas, bmaj=13.02 mas, bpa=-16.57 degrees
! Estimated noise=686.528 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 = 0.000773164 Jy
! Component: 100  -  total flux cleaned = 0.000822762 Jy
! Total flux subtracted in 100 components = 0.000822762 Jy
! Clean residual min=-0.002618 max=0.002588 Jy/beam
! Clean residual mean=-0.000005 rms=0.000651 Jy/beam
! Combined flux in latest and established models = 0.169121 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 55 components and 0.169121 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099755Jy  sigma=0.001065
! Fit after  self-cal, rms=0.099757Jy  sigma=0.001064
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1251-197_S
! Writing UV FITS file: 1251-197_S.uvf
! Writing 55 model components to file: 1251-197_S.mod
! wwins: Wrote 1 windows to 1251-197_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.768 x 13.02 at -16.57 degrees (North through East)
! Clean map  min=-0.0025382  max=0.16058 Jy/beam
! Writing clean map to FITS file: 1251-197_S.fits
! Writing difmap environment to: 1251-197_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1251-197_S]
device 1251-197_Suv.ps/vps,1,2
! Attempting to open device: '1251-197_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1251-197_Sim.ps/vps
! Attempting to open device: '1251-197_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=3.768 mas, bmaj=13.02 mas, bpa=-16.57 degrees
! Estimated noise=686.528 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.768 x 13.02 at -16.57 degrees (North through East)
! Clean map  min=-0.0025382  max=0.16058 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1251-197_S.log closed on Fri Apr 18 07:17:23 2008