! Started logfile: CTA102_X.log on Wed Apr  2 00:02:56 2008
observe CTA102_X.edt
! Reading UV FITS file: CTA102_X.edt
! AN table 1: 61 integrations on 136 of 136 possible baselines.
! AN table 2: 50 integrations on 136 of 136 possible baselines.
! AN table 3: 11 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.253255 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: CTA102
! 
! 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 1222 lines of history.
! 
! Reading 16808 visibilities.
![@gonzo7-0.1 CTA102_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 = 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 0.100x0.100 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 666 telescope corrections were flagged in sub-array 1.
!  A total of 573 telescope corrections were flagged in sub-array 2.
!  A total of 115 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 666 telescope corrections were flagged in sub-array 1.
!  A total of 573 telescope corrections were flagged in sub-array 2.
!  A total of 114 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 666 telescope corrections were flagged in sub-array 1.
!  A total of 537 telescope corrections were flagged in sub-array 2.
!  A total of 108 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 700 telescope corrections were flagged in sub-array 1.
!  A total of 537 telescope corrections were flagged in sub-array 2.
!  A total of 108 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.453549Jy  sigma=0.027460
! Fit after  self-cal, rms=1.451973Jy  sigma=0.027416
! 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=0.5305 mas, bmaj=1.49 mas, bpa=-8.307 degrees
! Estimated noise=759.353 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 = 1.7536 Jy
! Total flux subtracted in 50 components = 1.7536 Jy
! Clean residual min=-0.107137 max=0.489208 Jy/beam
! Clean residual mean=-0.000648 rms=0.032867 Jy/beam
! Combined flux in latest and established models = 1.7536 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 1.7536 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.795755Jy  sigma=0.015938
! Fit after  self-cal, rms=0.795757Jy  sigma=0.015938
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.44493 Jy
! Total flux subtracted in 50 components = 0.44493 Jy
! Clean residual min=-0.065443 max=0.188594 Jy/beam
! Clean residual mean=-0.000360 rms=0.021253 Jy/beam
! Combined flux in latest and established models = 2.19853 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 7 components and 2.19853 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.522415Jy  sigma=0.010838
! Fit after  self-cal, rms=0.522491Jy  sigma=0.010838
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.202563 Jy
! Total flux subtracted in 50 components = 0.202563 Jy
! Clean residual min=-0.061194 max=0.177388 Jy/beam
! Clean residual mean=-0.000230 rms=0.017800 Jy/beam
! Combined flux in latest and established models = 2.4011 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 10 components and 2.40109 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.439387Jy  sigma=0.009109
! Fit after  self-cal, rms=0.439254Jy  sigma=0.009108
! Inverting map 
! Added new window around map position (1.1, -1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.159869 Jy
! Total flux subtracted in 50 components = 0.159869 Jy
! Clean residual min=-0.056186 max=0.129315 Jy/beam
! Clean residual mean=-0.000171 rms=0.015166 Jy/beam
! Combined flux in latest and established models = 2.56096 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 16 components and 2.56096 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.378424Jy  sigma=0.007787
! Fit after  self-cal, rms=0.372034Jy  sigma=0.007731
! Inverting map 
! Added new window around map position (2.5, -6.1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.132731 Jy
! Total flux subtracted in 50 components = 0.132731 Jy
! Clean residual min=-0.044654 max=0.071650 Jy/beam
! Clean residual mean=-0.000156 rms=0.012755 Jy/beam
! Combined flux in latest and established models = 2.6937 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 34 components and 2.6937 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.324431Jy  sigma=0.006620
! Fit after  self-cal, rms=0.322325Jy  sigma=0.006608
! 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=0.6282 mas, bmaj=1.785 mas, bpa=-9.092 degrees
! Estimated noise=381.692 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 = 0.16777 Jy
! Component: 100  -  total flux cleaned = 0.288368 Jy
! Total flux subtracted in 100 components = 0.288368 Jy
! Clean residual min=-0.046421 max=0.078589 Jy/beam
! Clean residual mean=-0.000359 rms=0.020746 Jy/beam
! Combined flux in latest and established models = 2.98206 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 58 components and 2.98206 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.243477Jy  sigma=0.004614
! Fit after  self-cal, rms=0.238349Jy  sigma=0.004565
! 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        1.03     FD        0.97     GC        1.00*    HN        1.00     
!   KK        1.00*    KP        0.96     LA        0.96     MC        1.03     
!   MK        1.00*    NL        0.96     NY        1.00     ON        1.00     
!   OV        0.95     PT        0.96     SC        1.01     WF        1.06     
!   WZ        1.03     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.97     GC        1.02     HN        0.98     
!   KK        1.00*    KP        0.97     LA        0.97     MC        1.00*    
!   MK        1.00     NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        0.94     SC        1.00     WF        1.00     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.99     GC        1.03     HN        1.01     
!   KK        1.00*    KP        0.98     LA        0.95     MC        1.00*    
!   MK        1.00*    NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.94     SC        1.00*    WF        1.03     
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.97     GC        1.00*    HN        1.00     
!   KK        1.00*    KP        0.96     LA        0.96     MC        1.03     
!   MK        1.00*    NL        0.96     NY        1.00     ON        1.00     
!   OV        0.95     PT        0.96     SC        1.01     WF        1.06     
!   WZ        1.03     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.98     GC        1.02     HN        0.99     
!   KK        1.00*    KP        0.97     LA        0.97     MC        1.00*    
!   MK        1.00     NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        0.94     SC        1.01     WF        1.02     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.04     FD        0.99     GC        1.02     HN        1.01     
!   KK        1.00*    KP        0.98     LA        0.95     MC        1.00*    
!   MK        1.00*    NL        1.00     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.94     SC        1.00*    WF        1.03     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.97     GC        1.00*    HN        1.00     
!   KK        1.00*    KP        0.96     LA        0.96     MC        1.03     
!   MK        1.00*    NL        0.96     NY        1.00     ON        1.00     
!   OV        0.95     PT        0.96     SC        1.01     WF        1.06     
!   WZ        1.04     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.98     GC        1.01     HN        0.98     
!   KK        1.03     KP        0.97     LA        0.97     MC        1.00*    
!   MK        1.00     NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.95     SC        1.01     WF        1.01     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        1.00     GC        1.02     HN        1.00     
!   KK        1.00     KP        0.98     LA        0.96     MC        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        0.94     SC        1.00*    WF        1.02     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.97     GC        1.00*    HN        1.01     
!   KK        1.00*    KP        0.96     LA        0.96     MC        1.02     
!   MK        1.00*    NL        0.97     NY        1.01     ON        1.01     
!   OV        0.95     PT        0.96     SC        1.01     WF        1.05     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.98     GC        1.01     HN        0.98     
!   KK        1.03     KP        0.97     LA        0.97     MC        1.00*    
!   MK        1.00     NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.94     SC        1.01     WF        1.02     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.99     GC        1.02     HN        1.01     
!   KK        1.00     KP        0.98     LA        0.95     MC        1.00*    
!   MK        1.00*    NL        1.00     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.94     SC        1.00*    WF        1.03     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.238349Jy  sigma=0.004565
! Fit after  self-cal, rms=0.222427Jy  sigma=0.003881
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6343 mas, bmaj=1.805 mas, bpa=-9.111 degrees
! Estimated noise=371.11 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 = 0.0681381 Jy
! Component: 100  -  total flux cleaned = 0.105198 Jy
! Total flux subtracted in 100 components = 0.105198 Jy
! Clean residual min=-0.028232 max=0.057955 Jy/beam
! Clean residual mean=-0.000104 rms=0.009914 Jy/beam
! Combined flux in latest and established models = 3.08726 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 70 components and 3.08726 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.208804Jy  sigma=0.003355
! Fit after  self-cal, rms=0.207246Jy  sigma=0.003338
! 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)
! Added new window around map position (-0.4, -8.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0517064 Jy
! Component: 100  -  total flux cleaned = 0.0787311 Jy
! Total flux subtracted in 100 components = 0.0787311 Jy
! Clean residual min=-0.025966 max=0.045899 Jy/beam
! Clean residual mean=-0.000081 rms=0.008115 Jy/beam
! Combined flux in latest and established models = 3.16599 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 87 components and 3.16599 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.198108Jy  sigma=0.003014
! Fit after  self-cal, rms=0.189883Jy  sigma=0.002941
! Inverting map and beam 
! Estimated beam: bmin=0.6341 mas, bmaj=1.802 mas, bpa=-9.112 degrees
! Estimated noise=370.548 mJy/beam.
! Added new window around map position (1.9, -8.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0430032 Jy
! Component: 100  -  total flux cleaned = 0.0711054 Jy
! Total flux subtracted in 100 components = 0.0711054 Jy
! Clean residual min=-0.023264 max=0.036650 Jy/beam
! Clean residual mean=-0.000063 rms=0.006887 Jy/beam
! Combined flux in latest and established models = 3.2371 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 106 components and 3.2371 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.181714Jy  sigma=0.002692
! Fit after  self-cal, rms=0.177773Jy  sigma=0.002663
! Inverting map and beam 
! Estimated beam: bmin=0.6339 mas, bmaj=1.8 mas, bpa=-9.123 degrees
! Estimated noise=370.894 mJy/beam.
! Added new window around map position (-9.2, 12.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0343828 Jy
! Component: 100  -  total flux cleaned = 0.0559521 Jy
! Total flux subtracted in 100 components = 0.0559521 Jy
! Clean residual min=-0.020930 max=0.028334 Jy/beam
! Clean residual mean=-0.000060 rms=0.006162 Jy/beam
! Combined flux in latest and established models = 3.29305 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 120 components and 3.29305 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171432Jy  sigma=0.002507
! Fit after  self-cal, rms=0.168104Jy  sigma=0.002480
! Inverting map and beam 
! Estimated beam: bmin=0.6339 mas, bmaj=1.798 mas, bpa=-9.133 degrees
! Estimated noise=370.933 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 = 0.023235 Jy
! Component: 100  -  total flux cleaned = 0.0364139 Jy
! Total flux subtracted in 100 components = 0.0364139 Jy
! Clean residual min=-0.020664 max=0.025766 Jy/beam
! Clean residual mean=-0.000054 rms=0.005814 Jy/beam
! Combined flux in latest and established models = 3.32946 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 131 components and 3.32946 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164734Jy  sigma=0.002402
! Fit after  self-cal, rms=0.164513Jy  sigma=0.002396
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save CTA102_X
! Writing UV FITS file: CTA102_X.uvf
! Writing 131 model components to file: CTA102_X.mod
! wwins: Wrote 6 windows to CTA102_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6339 x 1.798 at -9.133 degrees (North through East)
! Clean map  min=-0.020329  max=2.2638 Jy/beam
! Writing clean map to FITS file: CTA102_X.fits
! Writing difmap environment to: CTA102_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot CTA102_X]
device CTA102_Xuv.ps/vps,1,2
! Attempting to open device: 'CTA102_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device CTA102_Xim.ps/vps
! Attempting to open device: 'CTA102_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=0.6339 mas, bmaj=1.798 mas, bpa=-9.133 degrees
! Estimated noise=370.933 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6339 x 1.798 at -9.133 degrees (North through East)
! Clean map  min=-0.020329  max=2.2638 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file CTA102_X.log closed on Wed Apr  2 00:03:04 2008