! Started logfile: 1519-273_S.log on Fri Apr 18 07:22:30 2008
observe 1519-273_S.edt
! Reading UV FITS file: 1519-273_S.edt
! AN table 1: 32 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.152344 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1519-273
! 
! 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 1144 lines of history.
! 
! Reading 2652 visibilities.
![@gonzo7-0.4 1519-273_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 376 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 376 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 376 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 390 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.306684Jy  sigma=0.002550
! Fit after  self-cal, rms=0.304175Jy  sigma=0.002544
! 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=2.469 mas, bmaj=7.818 mas, bpa=-3.37 degrees
! Estimated noise=2365.01 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 = 0.608725 Jy
! Total flux subtracted in 50 components = 0.608725 Jy
! Clean residual min=-0.036378 max=0.169769 Jy/beam
! Clean residual mean=0.000008 rms=0.012147 Jy/beam
! Combined flux in latest and established models = 0.608725 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 0.608725 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.304027Jy  sigma=0.002186
! Fit after  self-cal, rms=0.304027Jy  sigma=0.002186
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.136606 Jy
! Total flux subtracted in 50 components = 0.136606 Jy
! Clean residual min=-0.031729 max=0.047783 Jy/beam
! Clean residual mean=-0.000059 rms=0.007886 Jy/beam
! Combined flux in latest and established models = 0.74533 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 8 components and 0.74533 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.239697Jy  sigma=0.001650
! Fit after  self-cal, rms=0.239691Jy  sigma=0.001650
! 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=2.871 mas, bmaj=9.219 mas, bpa=-4.156 degrees
! Estimated noise=1750.47 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 = 0.0560422 Jy
! Component: 100  -  total flux cleaned = 0.0852306 Jy
! Total flux subtracted in 100 components = 0.0852306 Jy
! Clean residual min=-0.044185 max=0.027064 Jy/beam
! Clean residual mean=-0.001103 rms=0.007335 Jy/beam
! Combined flux in latest and established models = 0.830561 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 38 components and 0.830561 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.224279Jy  sigma=0.001558
! Fit after  self-cal, rms=0.224282Jy  sigma=0.001558
! 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 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.98     HN        1.10     KB        1.00*    
!   KK        1.09     KP        0.78     LA        1.03     MK        1.05     
!   NL        1.05     NY        1.00*    OV        0.96     PT        1.03     
!   SC        0.78     TS        1.00*    WF        1.11     WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.03     HN        1.11     KB        1.00*    
!   KK        1.06     KP        0.76     LA        1.05     MK        1.00     
!   NL        1.04     NY        1.00*    OV        0.93     PT        1.06     
!   SC        1.03     TS        1.00*    WF        1.13     WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.99     HN        1.08     KB        1.00*    
!   KK        1.08     KP        0.69     LA        1.05     MK        1.00     
!   NL        1.03     NY        1.00*    OV        0.95     PT        1.02     
!   SC        0.97     TS        1.00*    WF        1.12     WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.10     FD        1.00*    HN        1.12     KB        1.00*    
!   KK        1.07     KP        0.74     LA        1.04     MK        0.97     
!   NL        1.04     NY        1.00*    OV        0.92     PT        1.07     
!   SC        0.97     TS        1.00*    WF        1.14     WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.224282Jy  sigma=0.001558
! Fit after  self-cal, rms=0.173895Jy  sigma=0.001242
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.916 mas, bmaj=9.339 mas, bpa=-3.885 degrees
! Estimated noise=1754.32 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 = 0.00565691 Jy
! Component: 100  -  total flux cleaned = 0.00617706 Jy
! Total flux subtracted in 100 components = 0.00617706 Jy
! Clean residual min=-0.018505 max=0.015987 Jy/beam
! Clean residual mean=0.000438 rms=0.004325 Jy/beam
! Combined flux in latest and established models = 0.836738 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 44 components and 0.836738 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.173428Jy  sigma=0.001241
! Fit after  self-cal, rms=0.173419Jy  sigma=0.001241
! 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 = -0.000192976 Jy
! Component: 100  -  total flux cleaned = -0.000293905 Jy
! Total flux subtracted in 100 components = -0.000293905 Jy
! Clean residual min=-0.018217 max=0.015887 Jy/beam
! Clean residual mean=0.000440 rms=0.004317 Jy/beam
! Combined flux in latest and established models = 0.836444 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 50 components and 0.836444 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.173327Jy  sigma=0.001240
! Fit after  self-cal, rms=0.158126Jy  sigma=0.001096
! Inverting map and beam 
! Estimated beam: bmin=2.93 mas, bmaj=9.37 mas, bpa=-3.976 degrees
! Estimated noise=1761.5 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 = 0.00159042 Jy
! Component: 100  -  total flux cleaned = 0.00173334 Jy
! Total flux subtracted in 100 components = 0.00173334 Jy
! Clean residual min=-0.006671 max=0.007927 Jy/beam
! Clean residual mean=0.000304 rms=0.001762 Jy/beam
! Combined flux in latest and established models = 0.838178 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 51 components and 0.838178 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157984Jy  sigma=0.001095
! Fit after  self-cal, rms=0.157978Jy  sigma=0.001095
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1519-273_S
! Writing UV FITS file: 1519-273_S.uvf
! Writing 51 model components to file: 1519-273_S.mod
! wwins: Wrote 1 windows to 1519-273_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.93 x 9.37 at -3.976 degrees (North through East)
! Clean map  min=-0.0064556  max=0.7745 Jy/beam
! Writing clean map to FITS file: 1519-273_S.fits
! Writing difmap environment to: 1519-273_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1519-273_S]
device 1519-273_Suv.ps/vps,1,2
! Attempting to open device: '1519-273_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1519-273_Sim.ps/vps
! Attempting to open device: '1519-273_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=2.93 mas, bmaj=9.37 mas, bpa=-3.976 degrees
! Estimated noise=1761.5 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.93 x 9.37 at -3.976 degrees (North through East)
! Clean map  min=-0.0064556  max=0.7745 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1519-273_S.log closed on Fri Apr 18 07:22:49 2008