! Started logfile: 0920-397_S.log on Fri Jan 19 18:24:26 2007
observe 0920-397_S.edt
! Reading UV FITS file: 0920-397_S.edt
! AN table 1: 6 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.130719 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  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 480 visibilities.
![@gonzo7-0.4 0920-397_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 67 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 68 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 67 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 68 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.262381Jy  sigma=0.003197
! Fit after  self-cal, rms=0.261338Jy  sigma=0.003192
! 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=2.547 mas, bmaj=34.41 mas, bpa=-26.08 degrees
! Estimated noise=3920.64 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 = 0.723666 Jy
! Total flux subtracted in 50 components = 0.723666 Jy
! Clean residual min=-0.091938 max=0.201816 Jy/beam
! Clean residual mean=-0.002376 rms=0.042602 Jy/beam
! Combined flux in latest and established models = 0.723666 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 0.723666 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.372320Jy  sigma=0.004752
! Fit after  self-cal, rms=0.372320Jy  sigma=0.004752
! 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=3.005 mas, bmaj=36.8 mas, bpa=-25.95 degrees
! Estimated noise=2910.69 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 = 0.276027 Jy
! Component: 100  -  total flux cleaned = 0.389252 Jy
! Total flux subtracted in 100 components = 0.389252 Jy
! Clean residual min=-0.028777 max=0.046286 Jy/beam
! Clean residual mean=-0.000916 rms=0.012619 Jy/beam
! Combined flux in latest and established models = 1.11292 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 19 components and 1.11292 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134507Jy  sigma=0.001679
! Fit after  self-cal, rms=0.134247Jy  sigma=0.001677
! 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        1.09     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.07     MC        1.00*    MK        0.96     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.04     
!   KP        0.91     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.93     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.01     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.95     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        0.98     
!   KP        0.94     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.90     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.94     MC        1.00*    MK        1.00     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.01     
!   KP        0.95     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.87     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.84     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.04     
!   KP        0.98     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.134247Jy  sigma=0.001677
! Fit after  self-cal, rms=0.098156Jy  sigma=0.001214
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.018 mas, bmaj=36.96 mas, bpa=-25.91 degrees
! Estimated noise=2771.47 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 = 0.0185449 Jy
! Component: 100  -  total flux cleaned = 0.0252908 Jy
! Total flux subtracted in 100 components = 0.0252908 Jy
! Clean residual min=-0.015693 max=0.011175 Jy/beam
! Clean residual mean=0.000145 rms=0.004173 Jy/beam
! Combined flux in latest and established models = 1.13821 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 52 components and 1.13821 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094676Jy  sigma=0.001177
! Fit after  self-cal, rms=0.094650Jy  sigma=0.001176
! 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 = 0.000812164 Jy
! Component: 100  -  total flux cleaned = 0.00158513 Jy
! Total flux subtracted in 100 components = 0.00158513 Jy
! Clean residual min=-0.015350 max=0.010926 Jy/beam
! Clean residual mean=0.000158 rms=0.003951 Jy/beam
! Combined flux in latest and established models = 1.13979 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 59 components and 1.13979 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094173Jy  sigma=0.001171
! Fit after  self-cal, rms=0.091227Jy  sigma=0.001146
! Inverting map and beam 
! Estimated beam: bmin=3.001 mas, bmaj=36.97 mas, bpa=-25.92 degrees
! Estimated noise=2766.46 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 = 0.00698267 Jy
! Component: 100  -  total flux cleaned = 0.00722138 Jy
! Total flux subtracted in 100 components = 0.00722138 Jy
! Clean residual min=-0.014931 max=0.009767 Jy/beam
! Clean residual mean=0.000250 rms=0.003744 Jy/beam
! Combined flux in latest and established models = 1.14701 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 75 components and 1.14701 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090406Jy  sigma=0.001137
! Fit after  self-cal, rms=0.090413Jy  sigma=0.001136
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0920-397_S
! Writing UV FITS file: 0920-397_S.uvf
! Writing 75 model components to file: 0920-397_S.mod
! wwins: Wrote 1 windows to 0920-397_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.001 x 36.97 at -25.92 degrees (North through East)
! Clean map  min=-0.014904  max=0.94353 Jy/beam
! Writing clean map to FITS file: 0920-397_S.fits
! Writing difmap environment to: 0920-397_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0920-397_S]
device 0920-397_Suv.ps/vps,1,2
! Attempting to open device: '0920-397_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0920-397_Sim.ps/vps
! Attempting to open device: '0920-397_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=3.001 mas, bmaj=36.97 mas, bpa=-25.92 degrees
! Estimated noise=2766.46 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.001 x 36.97 at -25.92 degrees (North through East)
! Clean map  min=-0.014904  max=0.94353 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0920-397_S.log closed on Fri Jan 19 18:24:34 2007