! Started logfile: CTA26_X.log on Tue Sep 11 22:40:12 2007
observe CTA26_X.edt
! Reading UV FITS file: CTA26_X.edt
! AN table 1: 80 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0682018 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: CTA26
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! 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 2132 lines of history.
! 
! Reading 3732 visibilities.
![@gonzo5-0.1 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 = 5.0
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 1413 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1413 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1414 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1415 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.118407Jy  sigma=0.018948
! Fit after  self-cal, rms=1.119428Jy  sigma=0.018994
! 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=0.791 mas, bmaj=1.586 mas, bpa=4.858 degrees
! Estimated noise=1900.76 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 = 1.56664 Jy
! Total flux subtracted in 50 components = 1.56664 Jy
! Clean residual min=-0.111750 max=0.438012 Jy/beam
! Clean residual mean=0.000977 rms=0.051361 Jy/beam
! Combined flux in latest and established models = 1.56664 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 1.56664 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.618497Jy  sigma=0.010989
! Fit after  self-cal, rms=0.618536Jy  sigma=0.010989
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.398786 Jy
! Total flux subtracted in 50 components = 0.398786 Jy
! Clean residual min=-0.072821 max=0.165136 Jy/beam
! Clean residual mean=0.000624 rms=0.028259 Jy/beam
! Combined flux in latest and established models = 1.96543 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 14 components and 1.96543 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.351467Jy  sigma=0.006285
! Fit after  self-cal, rms=0.351379Jy  sigma=0.006283
! Inverting map 
! Added new window around map position (-1.2, -1.5).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.184379 Jy
! Total flux subtracted in 50 components = 0.184379 Jy
! Clean residual min=-0.055687 max=0.122224 Jy/beam
! Clean residual mean=0.000460 rms=0.019982 Jy/beam
! Combined flux in latest and established models = 2.14981 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 28 components and 2.14981 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.262875Jy  sigma=0.004576
! Fit after  self-cal, rms=0.262167Jy  sigma=0.004557
! Inverting map 
! Added new window around map position (1.4, 1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.125555 Jy
! Total flux subtracted in 50 components = 0.125555 Jy
! Clean residual min=-0.046498 max=0.067391 Jy/beam
! Clean residual mean=0.000346 rms=0.014828 Jy/beam
! Combined flux in latest and established models = 2.27536 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 47 components and 2.27536 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.206108Jy  sigma=0.003491
! Fit after  self-cal, rms=0.205353Jy  sigma=0.003486
! 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=0.9628 mas, bmaj=1.965 mas, bpa=-3.769 degrees
! Estimated noise=1214.97 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 = 0.124111 Jy
! Component: 100  -  total flux cleaned = 0.200565 Jy
! Total flux subtracted in 100 components = 0.200565 Jy
! Clean residual min=-0.028702 max=0.043619 Jy/beam
! Clean residual mean=0.000373 rms=0.010895 Jy/beam
! Combined flux in latest and established models = 2.47593 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 55 model components to the UV plane model.
! The established model now contains 93 components and 2.47593 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.140449Jy  sigma=0.002043
! Fit after  self-cal, rms=0.138154Jy  sigma=0.002017
! Inverting map 
! Added new window around map position (2.5, 1.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0552014 Jy
! Component: 100  -  total flux cleaned = 0.0923171 Jy
! Total flux subtracted in 100 components = 0.0923171 Jy
! Clean residual min=-0.020350 max=0.023706 Jy/beam
! Clean residual mean=0.000193 rms=0.006425 Jy/beam
! Combined flux in latest and established models = 2.56825 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 43 model components to the UV plane model.
! The established model now contains 126 components and 2.56824 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.118466Jy  sigma=0.001573
! Fit after  self-cal, rms=0.117125Jy  sigma=0.001556
! 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        0.99     FD        0.99     GC        1.02     GG        1.00*    
!   HN        1.03     KP        0.99     LA        0.98     MA        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.02     TC        1.00*    
!   TS        1.00*    WF        1.04     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.02     GG        1.00*    
!   HN        1.04     KP        0.99     LA        0.98     MA        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.02     TC        1.00*    
!   TS        1.00*    WF        1.04     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        0.99     GC        1.02     GG        1.00*    
!   HN        1.04     KP        0.99     LA        0.98     MA        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.02     TC        1.00*    
!   TS        1.00*    WF        1.04     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.02     GG        1.00*    
!   HN        1.04     KP        0.99     LA        0.98     MA        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        1.04     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.117125Jy  sigma=0.001556
! Fit after  self-cal, rms=0.106111Jy  sigma=0.001386
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9705 mas, bmaj=1.978 mas, bpa=-3.792 degrees
! Estimated noise=1210.01 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 = 0.0166349 Jy
! Component: 100  -  total flux cleaned = 0.0214101 Jy
! Total flux subtracted in 100 components = 0.0214101 Jy
! Clean residual min=-0.013949 max=0.012174 Jy/beam
! Clean residual mean=-0.000008 rms=0.002979 Jy/beam
! Combined flux in latest and established models = 2.58966 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 156 components and 2.58965 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102632Jy  sigma=0.001305
! Fit after  self-cal, rms=0.102095Jy  sigma=0.001298
! 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 = 0.00236114 Jy
! Component: 100  -  total flux cleaned = 0.00442539 Jy
! Total flux subtracted in 100 components = 0.00442539 Jy
! Clean residual min=-0.012752 max=0.010330 Jy/beam
! Clean residual mean=-0.000016 rms=0.002595 Jy/beam
! Combined flux in latest and established models = 2.59408 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 164 components and 2.59408 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100913Jy  sigma=0.001278
! Fit after  self-cal, rms=0.100102Jy  sigma=0.001270
! Inverting map and beam 
! Estimated beam: bmin=0.9712 mas, bmaj=1.979 mas, bpa=-3.793 degrees
! Estimated noise=1209.92 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 = -0.000220078 Jy
! Component: 100  -  total flux cleaned = 0.00122882 Jy
! Total flux subtracted in 100 components = 0.00122882 Jy
! Clean residual min=-0.011580 max=0.010619 Jy/beam
! Clean residual mean=-0.000007 rms=0.002258 Jy/beam
! Combined flux in latest and established models = 2.59531 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 177 components and 2.59531 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099144Jy  sigma=0.001256
! Fit after  self-cal, rms=0.098952Jy  sigma=0.001253
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save CTA26_X
! Writing UV FITS file: CTA26_X.uvf
! Writing 177 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: 0.9712 x 1.979 at -3.793 degrees (North through East)
! Clean map  min=-0.011626  max=2.0019 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=0.9712 mas, bmaj=1.979 mas, bpa=-3.793 degrees
! Estimated noise=1209.92 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9712 x 1.979 at -3.793 degrees (North through East)
! Clean map  min=-0.011626  max=2.0019 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.1]
quit
! Quitting program
! Log file CTA26_X.log closed on Tue Sep 11 22:40:19 2007