! Started logfile: 0920-397_X.log on Wed May 14 12:04:45 2008
observe 0920-397_X.edt
! Reading UV FITS file: 0920-397_X.edt
! AN table 1: 1 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0196078 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 938 lines of history.
! 
! Reading 12 visibilities.
![@gonzo8-0.1 0920-397_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
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 0.100x0.100 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 15 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 18 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 18 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 18 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.213949Jy  sigma=0.001772
! Fit after  self-cal, rms=0.213950Jy  sigma=0.001772
! 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=1.605 mas, bmaj=27.98 mas, bpa=-4.045 degrees
! Estimated noise=57597.3 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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.872813 Jy
! Total flux subtracted in 50 components = 0.872813 Jy
! Clean residual min=-0.477065 max=0.473189 Jy/beam
! Clean residual mean=-0.004631 rms=0.156660 Jy/beam
! Combined flux in latest and established models = 0.872813 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 0.872813 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.320273Jy  sigma=0.002476
! Fit after  self-cal, rms=0.303307Jy  sigma=0.002367
! 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=1.605 mas, bmaj=27.98 mas, bpa=-4.045 degrees
! Estimated noise=57597.3 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 = 0.0948692 Jy
! Component: 100  -  total flux cleaned = 0.0505534 Jy
! Total flux subtracted in 100 components = 0.0505534 Jy
! Clean residual min=-0.172245 max=0.169295 Jy/beam
! Clean residual mean=-0.000276 rms=0.046642 Jy/beam
! Combined flux in latest and established models = 0.923367 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 54 components and 0.923367 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078692Jy  sigma=0.000655
! Fit after  self-cal, rms=0.054264Jy  sigma=0.000369
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   WF        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.054264Jy  sigma=0.000369
! Fit after  self-cal, rms=0.000000Jy  sigma=nan
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! There are no unflagged visibilities to be inverted.
! Error occurred in function: imstat().
![Exited script file: gonzo8-0.1]
! 
quit
! Quitting program
! Log file 0920-397_X.log closed on Wed May 14 12:04:47 2008