! Started logfile: 0648-165_S.log on Thu Aug 14 09:04:39 2008
observe 0648-165_S.edt
! Reading UV FITS file: 0648-165_S.edt
! AN table 1: 52 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.114469 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0648-165
! 
! 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 947 lines of history.
! 
! Reading 2500 visibilities.
![@gonzo7-0.4 0648-165_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 541 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 538 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 547 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 541 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=2.084641Jy  sigma=0.019862
! Fit after  self-cal, rms=2.085352Jy  sigma=0.019908
! 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=2.132 mas, bmaj=6.88 mas, bpa=-7.654 degrees
! Estimated noise=2305.38 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 = 2.0391 Jy
! Total flux subtracted in 50 components = 2.0391 Jy
! Clean residual min=-0.132408 max=0.568695 Jy/beam
! Clean residual mean=-0.001105 rms=0.047178 Jy/beam
! Combined flux in latest and established models = 2.0391 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 2.0391 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.181433Jy  sigma=0.011038
! Fit after  self-cal, rms=1.181433Jy  sigma=0.011038
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.49234 Jy
! Total flux subtracted in 50 components = 0.49234 Jy
! Clean residual min=-0.117312 max=0.200483 Jy/beam
! Clean residual mean=-0.000732 rms=0.033108 Jy/beam
! Combined flux in latest and established models = 2.53144 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 2.53144 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.861991Jy  sigma=0.007866
! Fit after  self-cal, rms=0.861945Jy  sigma=0.007865
! 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=2.812 mas, bmaj=8.579 mas, bpa=-11.6 degrees
! Estimated noise=1520.78 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 = 0.445707 Jy
! Component: 100  -  total flux cleaned = 0.663391 Jy
! Total flux subtracted in 100 components = 0.663391 Jy
! Clean residual min=-0.152236 max=0.166683 Jy/beam
! Clean residual mean=-0.001519 rms=0.046896 Jy/beam
! Combined flux in latest and established models = 3.19483 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 42 model components to the UV plane model.
! The established model now contains 48 components and 3.19483 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.625744Jy  sigma=0.005567
! Fit after  self-cal, rms=0.625619Jy  sigma=0.005566
! 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 45 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.85     HN        1.03     KB        0.84     
!   KK        1.17     KP        1.03     LA        1.00*    MK        1.12     
!   NL        1.16     NY        1.00*    OV        0.88     PT        1.00     
!   SC        1.06     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.13     FD        0.88     HN        1.01     KB        0.80     
!   KK        0.94     KP        0.92     LA        1.00*    MK        0.96     
!   NL        1.16     NY        1.00*    OV        1.01     PT        1.10     
!   SC        1.04     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 39 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.79     HN        0.76     KB        1.11     
!   KK        1.06     KP        0.84     LA        1.00*    MK        1.02     
!   NL        1.10     NY        1.00*    OV        0.98     PT        1.08     
!   SC        1.44     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 45 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.75     HN        0.93     KB        1.88     
!   KK        1.09     KP        0.86     LA        1.00*    MK        0.97     
!   NL        1.15     NY        1.00*    OV        0.94     PT        1.04     
!   SC        0.97     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.625619Jy  sigma=0.005566
! Fit after  self-cal, rms=0.287190Jy  sigma=0.002747
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.006 mas, bmaj=8.862 mas, bpa=-10.79 degrees
! Estimated noise=1481.06 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 = -0.00297271 Jy
! Component: 100  -  total flux cleaned = -0.00288543 Jy
! Total flux subtracted in 100 components = -0.00288543 Jy
! Clean residual min=-0.057580 max=0.070601 Jy/beam
! Clean residual mean=-0.000007 rms=0.019062 Jy/beam
! Combined flux in latest and established models = 3.19195 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 53 components and 3.19195 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.284225Jy  sigma=0.002724
! Fit after  self-cal, rms=0.284157Jy  sigma=0.002722
! 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 = 0.000326568 Jy
! Component: 100  -  total flux cleaned = 0.000320552 Jy
! Total flux subtracted in 100 components = 0.000320552 Jy
! Clean residual min=-0.056998 max=0.070746 Jy/beam
! Clean residual mean=-0.000008 rms=0.018985 Jy/beam
! Combined flux in latest and established models = 3.19227 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 54 components and 3.19227 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.282662Jy  sigma=0.002709
! Fit after  self-cal, rms=0.177616Jy  sigma=0.001679
! Inverting map and beam 
! Estimated beam: bmin=2.997 mas, bmaj=8.865 mas, bpa=-10.81 degrees
! Estimated noise=1483.61 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)
! Added new window around map position (-18, -12.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0615441 Jy
! Component: 100  -  total flux cleaned = 0.0921183 Jy
! Total flux subtracted in 100 components = 0.0921183 Jy
! Clean residual min=-0.026273 max=0.026376 Jy/beam
! Clean residual mean=-0.000196 rms=0.006983 Jy/beam
! Combined flux in latest and established models = 3.28439 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 87 components and 3.28439 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160908Jy  sigma=0.001420
! Fit after  self-cal, rms=0.159970Jy  sigma=0.001412
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0648-165_S
! Writing UV FITS file: 0648-165_S.uvf
! Writing 87 model components to file: 0648-165_S.mod
! wwins: Wrote 2 windows to 0648-165_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.997 x 8.865 at -10.81 degrees (North through East)
! Clean map  min=-0.024877  max=2.8119 Jy/beam
! Writing clean map to FITS file: 0648-165_S.fits
! Writing difmap environment to: 0648-165_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0648-165_S]
device 0648-165_Suv.ps/vps,1,2
! Attempting to open device: '0648-165_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0648-165_Sim.ps/vps
! Attempting to open device: '0648-165_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=2.997 mas, bmaj=8.865 mas, bpa=-10.81 degrees
! Estimated noise=1483.61 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.997 x 8.865 at -10.81 degrees (North through East)
! Clean map  min=-0.024877  max=2.8119 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0648-165_S.log closed on Thu Aug 14 09:04:54 2008