! Started logfile: 0537-441_S.log on Wed Dec 13 15:20:36 2006
observe 0537-441_S.edt
! Reading UV FITS file: 0537-441_S.edt
! AN table 1: 11 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.036839 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0537-441
! 
! 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  2.22997e+09        8e+06          1        8e+06
!  02        2  2.25997e+09        8e+06          1        8e+06
!  03        3  2.34997e+09        8e+06          1        8e+06
!  04        4  2.36997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1912 lines of history.
! 
! Reading 248 visibilities.
![@gonzo7-0.4-pw 0537-441_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 178 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 160 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 160 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 178 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=2.706820Jy  sigma=0.031259
! Fit after  self-cal, rms=2.678477Jy  sigma=0.030680
! 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
peakw win_mult
! Inverting map and beam 
! Estimated beam: bmin=2.986 mas, bmaj=32.44 mas, bpa=-0.6012 degrees
! Estimated noise=5814.06 mJy/beam.
! Added new window around map position (0, 0).
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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 2.79056 Jy
! Total flux subtracted in 50 components = 2.79056 Jy
! Clean residual min=-0.362801 max=0.778228 Jy/beam
! Clean residual mean=-0.004170 rms=0.152562 Jy/beam
! Combined flux in latest and established models = 2.79056 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 2.79056 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.942411Jy  sigma=0.010888
! Fit after  self-cal, rms=0.942411Jy  sigma=0.010888
! 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=3.815 mas, bmaj=34.7 mas, bpa=-0.2776 degrees
! Estimated noise=4621.44 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 = 0.687094 Jy
! Component: 100  -  total flux cleaned = 0.905761 Jy
! Total flux subtracted in 100 components = 0.905761 Jy
! Clean residual min=-0.100734 max=0.088338 Jy/beam
! Clean residual mean=0.000472 rms=0.036531 Jy/beam
! Combined flux in latest and established models = 3.69632 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 37 model components to the UV plane model.
! The established model now contains 37 components and 3.69632 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.324358Jy  sigma=0.003751
! Fit after  self-cal, rms=0.324347Jy  sigma=0.003751
! 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:
!   FD        1.11     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.00*    MC        1.00*    MK        0.96     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.00*    
!   KP        0.93     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.99     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.00*    MC        1.00*    MK        1.05     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.00*    
!   KP        0.94     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.95     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.00*    MC        1.00*    MK        1.00     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        1.07     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.00*    
!   KP        1.00     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.85     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.00*    MC        1.00*    MK        1.00     NY        1.00*    
!   ON        1.00*    OV        0.91     PT        1.02     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.00*    
!   KP        0.98     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.324347Jy  sigma=0.003751
! Fit after  self-cal, rms=0.170142Jy  sigma=0.001827
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.392 mas, bmaj=31.09 mas, bpa=-0.2828 degrees
! Estimated noise=5245.75 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 = 0.00684661 Jy
! Component: 100  -  total flux cleaned = 0.00725704 Jy
! Total flux subtracted in 100 components = 0.00725704 Jy
! Clean residual min=-0.014209 max=0.015625 Jy/beam
! Clean residual mean=-0.000132 rms=0.004752 Jy/beam
! Combined flux in latest and established models = 3.70358 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 52 components and 3.70358 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.169316Jy  sigma=0.001820
! Fit after  self-cal, rms=0.169334Jy  sigma=0.001820
! 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 = 0.000939685 Jy
! Component: 100  -  total flux cleaned = 0.00202826 Jy
! Total flux subtracted in 100 components = 0.00202826 Jy
! Clean residual min=-0.013895 max=0.015261 Jy/beam
! Clean residual mean=-0.000100 rms=0.004506 Jy/beam
! Combined flux in latest and established models = 3.70561 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 67 components and 3.70561 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.169122Jy  sigma=0.001818
! Fit after  self-cal, rms=0.159792Jy  sigma=0.001712
! Inverting map and beam 
! Estimated beam: bmin=3.39 mas, bmaj=31.09 mas, bpa=-0.2838 degrees
! Estimated noise=5246.3 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 = 0.00573498 Jy
! Component: 100  -  total flux cleaned = 0.00862048 Jy
! Total flux subtracted in 100 components = 0.00862048 Jy
! Clean residual min=-0.015263 max=0.012491 Jy/beam
! Clean residual mean=-0.000092 rms=0.004331 Jy/beam
! Combined flux in latest and established models = 3.71423 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 45 model components to the UV plane model.
! The established model now contains 106 components and 3.71423 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.159671Jy  sigma=0.001711
! Fit after  self-cal, rms=0.159689Jy  sigma=0.001711
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0537-441_S
! Writing UV FITS file: 0537-441_S.uvf
! Writing 106 model components to file: 0537-441_S.mod
! wwins: Wrote 1 windows to 0537-441_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.39 x 31.09 at -0.2838 degrees (North through East)
! Clean map  min=-0.014755  max=3.5309 Jy/beam
! Writing clean map to FITS file: 0537-441_S.fits
! Writing difmap environment to: 0537-441_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0537-441_S]
device 0537-441_Suv.ps/vps,1,2
! Attempting to open device: '0537-441_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0537-441_Sim.ps/vps
! Attempting to open device: '0537-441_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=3.39 mas, bmaj=31.09 mas, bpa=-0.2838 degrees
! Estimated noise=5246.3 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.39 x 31.09 at -0.2838 degrees (North through East)
! Clean map  min=-0.014755  max=3.5309 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4-pw]
quit
! Quitting program
! Log file 0537-441_S.log closed on Wed Dec 13 15:21:04 2006