! Started logfile: CTA26_X.log on Wed May 14 17:18:32 2008
observe CTA26_X.edt
! Reading UV FITS file: CTA26_X.edt
! AN table 1: 18 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.125635 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: CTA26
! 
! 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 1384 visibilities.
![@gonzo6-0.1 CTA26_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 = 6.0
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 234 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 237 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 237 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 237 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.684228Jy  sigma=0.010098
! Fit after  self-cal, rms=0.684391Jy  sigma=0.010105
! 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=0.7783 mas, bmaj=1.823 mas, bpa=7.709 degrees
! Estimated noise=3382.46 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 = 1.15482 Jy
! Total flux subtracted in 50 components = 1.15482 Jy
! Clean residual min=-0.091230 max=0.323269 Jy/beam
! Clean residual mean=-0.000596 rms=0.036767 Jy/beam
! Combined flux in latest and established models = 1.15482 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 3 model components to the UV plane model.
! The established model now contains 3 components and 1.15482 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.547547Jy  sigma=0.008133
! Fit after  self-cal, rms=0.547554Jy  sigma=0.008133
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.301585 Jy
! Total flux subtracted in 50 components = 0.301585 Jy
! Clean residual min=-0.056270 max=0.124193 Jy/beam
! Clean residual mean=-0.000298 rms=0.020174 Jy/beam
! Combined flux in latest and established models = 1.45641 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 16 components and 1.45641 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.316180Jy  sigma=0.004665
! Fit after  self-cal, rms=0.316145Jy  sigma=0.004663
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.135701 Jy
! Total flux subtracted in 50 components = 0.135701 Jy
! Clean residual min=-0.044626 max=0.088893 Jy/beam
! Clean residual mean=-0.000164 rms=0.014638 Jy/beam
! Combined flux in latest and established models = 1.59211 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 30 components and 1.59211 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.237159Jy  sigma=0.003414
! Fit after  self-cal, rms=0.237027Jy  sigma=0.003413
! Inverting map 
! Added new window around map position (1.4, 0.3).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0919443 Jy
! Total flux subtracted in 50 components = 0.0919443 Jy
! Clean residual min=-0.040210 max=0.053460 Jy/beam
! Clean residual mean=-0.000094 rms=0.011428 Jy/beam
! Combined flux in latest and established models = 1.68405 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 51 components and 1.68405 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.194708Jy  sigma=0.002743
! Fit after  self-cal, rms=0.192913Jy  sigma=0.002720
! 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=1.234 mas, bmaj=2.609 mas, bpa=8.746 degrees
! Estimated noise=1758.51 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 = 0.108915 Jy
! Component: 100  -  total flux cleaned = 0.162144 Jy
! Total flux subtracted in 100 components = 0.162144 Jy
! Clean residual min=-0.028133 max=0.040091 Jy/beam
! Clean residual mean=0.000081 rms=0.010506 Jy/beam
! Combined flux in latest and established models = 1.8462 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 49 model components to the UV plane model.
! The established model now contains 96 components and 1.8462 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.141055Jy  sigma=0.001771
! Fit after  self-cal, rms=0.138250Jy  sigma=0.001726
! 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        0.97     FD        0.94     GC        1.04     HH        1.00*    
!   HN        1.03     KK        0.98     KP        1.00     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        1.03     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.96     SC        1.00     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.93     GC        1.12     HH        1.00*    
!   HN        1.03     KK        1.05     KP        1.01     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.97     SC        1.02     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.97     GC        1.13     HH        1.00*    
!   HN        1.03     KK        1.01     KP        1.03     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.97     SC        1.02     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.95     GC        1.16     HH        1.00*    
!   HN        0.99     KK        0.99     KP        1.02     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.98     SC        1.05     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.138250Jy  sigma=0.001726
! Fit after  self-cal, rms=0.117956Jy  sigma=0.001400
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.248 mas, bmaj=2.63 mas, bpa=8.55 degrees
! Estimated noise=1739.25 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 (2.8, 0.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0262112 Jy
! Component: 100  -  total flux cleaned = 0.0237744 Jy
! Total flux subtracted in 100 components = 0.0237744 Jy
! Clean residual min=-0.013401 max=0.017727 Jy/beam
! Clean residual mean=0.000111 rms=0.004642 Jy/beam
! Combined flux in latest and established models = 1.86997 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 116 components and 1.86997 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111352Jy  sigma=0.001294
! Fit after  self-cal, rms=0.110743Jy  sigma=0.001283
! 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 = 0.00442595 Jy
! Component: 100  -  total flux cleaned = 0.000410525 Jy
! Total flux subtracted in 100 components = 0.000410525 Jy
! Clean residual min=-0.012449 max=0.015285 Jy/beam
! Clean residual mean=0.000101 rms=0.004008 Jy/beam
! Combined flux in latest and established models = 1.87038 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 129 components and 1.87038 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109046Jy  sigma=0.001258
! Fit after  self-cal, rms=0.099403Jy  sigma=0.001178
! Inverting map and beam 
! Estimated beam: bmin=1.247 mas, bmaj=2.628 mas, bpa=8.62 degrees
! Estimated noise=1740.96 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)
! Added new window around map position (13.8, -14.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00632513 Jy
! Component: 100  -  total flux cleaned = 0.00585407 Jy
! Total flux subtracted in 100 components = 0.00585407 Jy
! Clean residual min=-0.009684 max=0.010148 Jy/beam
! Clean residual mean=0.000028 rms=0.002759 Jy/beam
! Combined flux in latest and established models = 1.87624 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 148 components and 1.87624 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097823Jy  sigma=0.001153
! Fit after  self-cal, rms=0.097727Jy  sigma=0.001151
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save CTA26_X
! Writing UV FITS file: CTA26_X.uvf
! Writing 148 model components to file: CTA26_X.mod
! wwins: Wrote 4 windows to CTA26_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.247 x 2.628 at 8.62 degrees (North through East)
! Clean map  min=-0.011835  max=1.5788 Jy/beam
! Writing clean map to FITS file: CTA26_X.fits
! Writing difmap environment to: CTA26_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot CTA26_X]
device CTA26_Xuv.ps/vps,1,2
! Attempting to open device: 'CTA26_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device CTA26_Xim.ps/vps
! Attempting to open device: 'CTA26_Xim.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=1.247 mas, bmaj=2.628 mas, bpa=8.62 degrees
! Estimated noise=1740.96 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.247 x 2.628 at 8.62 degrees (North through East)
! Clean map  min=-0.011835  max=1.5788 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file CTA26_X.log closed on Wed May 14 17:18:40 2008