! Started logfile: 1921-293_S.log on Wed May  7 16:01:57 2008
observe 1921-293_S.edt
! Reading UV FITS file: 1921-293_S.edt
! AN table 1: 6 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0849673 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1921-293
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 955 lines of history.
! 
! Reading 312 visibilities.
![@gonzo7-0.4 1921-293_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 92 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 92 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 92 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=7.875935Jy  sigma=0.076180
! Fit after  self-cal, rms=7.942785Jy  sigma=0.076829
! 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=5.667 mas, bmaj=30.38 mas, bpa=-3.858 degrees
! Estimated noise=7345.18 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 = 6.50448 Jy
! Total flux subtracted in 50 components = 6.50448 Jy
! Clean residual min=-0.761916 max=2.227894 Jy/beam
! Clean residual mean=-0.017241 rms=0.391237 Jy/beam
! Combined flux in latest and established models = 6.50448 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 12 components and 6.50448 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=3.132167Jy  sigma=0.030550
! Fit after  self-cal, rms=3.132164Jy  sigma=0.030549
! 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=6.965 mas, bmaj=30.49 mas, bpa=-4.316 degrees
! Estimated noise=6009.85 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 = 2.46634 Jy
! Component: 100  -  total flux cleaned = 3.41818 Jy
! Total flux subtracted in 100 components = 3.41818 Jy
! Clean residual min=-0.190623 max=0.401594 Jy/beam
! Clean residual mean=-0.003552 rms=0.094098 Jy/beam
! Combined flux in latest and established models = 9.92266 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 33 components and 9.92266 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.768923Jy  sigma=0.007397
! Fit after  self-cal, rms=0.763502Jy  sigma=0.007368
! 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:
!   BR        1.02     FD        1.04     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.86     LA        0.96     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.94     PT        1.00     SC        1.00*    
!   WF        1.20     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.98     LA        0.96     
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        0.93     PT        0.93     SC        1.00*    
!   WF        1.16     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.99     LA        0.94     
!   MC        1.00*    MK        1.00*    NL        1.04     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.98     SC        1.00*    
!   WF        1.23     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.92     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.01     LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        1.05     NY        1.00*    
!   ON        1.00*    OV        0.84     PT        0.97     SC        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.763502Jy  sigma=0.007368
! Fit after  self-cal, rms=0.288529Jy  sigma=0.002299
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=7.248 mas, bmaj=30.72 mas, bpa=-4.467 degrees
! Estimated noise=5838.55 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 = 0.0336229 Jy
! Component: 100  -  total flux cleaned = 0.0338007 Jy
! Total flux subtracted in 100 components = 0.0338007 Jy
! Clean residual min=-0.078160 max=0.083892 Jy/beam
! Clean residual mean=0.000272 rms=0.022633 Jy/beam
! Combined flux in latest and established models = 9.95646 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 52 components and 9.95646 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.264801Jy  sigma=0.002089
! Fit after  self-cal, rms=0.263673Jy  sigma=0.002080
! 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 = 0.000129775 Jy
! Component: 100  -  total flux cleaned = -0.00517999 Jy
! Total flux subtracted in 100 components = -0.00517999 Jy
! Clean residual min=-0.071381 max=0.078665 Jy/beam
! Clean residual mean=0.000281 rms=0.020696 Jy/beam
! Combined flux in latest and established models = 9.95128 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 61 components and 9.95128 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.248946Jy  sigma=0.001957
! Fit after  self-cal, rms=0.244456Jy  sigma=0.001933
! Inverting map and beam 
! Estimated beam: bmin=7.247 mas, bmaj=30.7 mas, bpa=-4.477 degrees
! Estimated noise=5836.16 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 = 0.0236524 Jy
! Component: 100  -  total flux cleaned = 0.0252187 Jy
! Total flux subtracted in 100 components = 0.0252187 Jy
! Clean residual min=-0.062652 max=0.070572 Jy/beam
! Clean residual mean=0.000324 rms=0.018584 Jy/beam
! Combined flux in latest and established models = 9.9765 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 73 components and 9.9765 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.231834Jy  sigma=0.001822
! Fit after  self-cal, rms=0.230563Jy  sigma=0.001812
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1921-293_S
! Writing UV FITS file: 1921-293_S.uvf
! Writing 73 model components to file: 1921-293_S.mod
! wwins: Wrote 1 windows to 1921-293_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 7.247 x 30.7 at -4.477 degrees (North through East)
! Clean map  min=-0.063991  max=8.4922 Jy/beam
! Writing clean map to FITS file: 1921-293_S.fits
! Writing difmap environment to: 1921-293_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1921-293_S]
device 1921-293_Suv.ps/vps,1,2
! Attempting to open device: '1921-293_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1921-293_Sim.ps/vps
! Attempting to open device: '1921-293_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=7.247 mas, bmaj=30.7 mas, bpa=-4.477 degrees
! Estimated noise=5836.16 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 7.247 x 30.7 at -4.477 degrees (North through East)
! Clean map  min=-0.063991  max=8.4922 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1921-293_S.log closed on Wed May  7 16:02:01 2008