! Started logfile: OJ287_X.log on Wed Apr  2 00:20:32 2008
observe OJ287_X.edt
! Reading UV FITS file: OJ287_X.edt
! AN table 1: 47 integrations on 136 of 136 possible baselines.
! AN table 2: 147 integrations on 136 of 136 possible baselines.
! AN table 3: 65 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.289717 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: OJ287
! 
! 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 1214 lines of history.
! 
! Reading 40820 visibilities.
![@gonzo8-0.1 OJ287_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 = 8.0
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 665 telescope corrections were flagged in sub-array 1.
!  A total of 1255 telescope corrections were flagged in sub-array 2.
!  A total of 788 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 701 telescope corrections were flagged in sub-array 1.
!  A total of 1249 telescope corrections were flagged in sub-array 2.
!  A total of 800 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 668 telescope corrections were flagged in sub-array 1.
!  A total of 1250 telescope corrections were flagged in sub-array 2.
!  A total of 803 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 722 telescope corrections were flagged in sub-array 1.
!  A total of 1307 telescope corrections were flagged in sub-array 2.
!  A total of 865 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.455724Jy  sigma=0.008052
! Fit after  self-cal, rms=0.454553Jy  sigma=0.008057
! 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=0.4823 mas, bmaj=1.223 mas, bpa=-15.85 degrees
! Estimated noise=736.761 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 = 0.759418 Jy
! Total flux subtracted in 50 components = 0.759418 Jy
! Clean residual min=-0.046910 max=0.254597 Jy/beam
! Clean residual mean=0.000011 rms=0.013872 Jy/beam
! Combined flux in latest and established models = 0.759418 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 6 components and 0.759418 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.584306Jy  sigma=0.010185
! Fit after  self-cal, rms=0.584161Jy  sigma=0.010184
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.288041 Jy
! Total flux subtracted in 50 components = 0.288041 Jy
! Clean residual min=-0.032546 max=0.138754 Jy/beam
! Clean residual mean=0.000007 rms=0.009115 Jy/beam
! Combined flux in latest and established models = 1.04746 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 8 components and 1.04746 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.399847Jy  sigma=0.007073
! Fit after  self-cal, rms=0.399223Jy  sigma=0.007069
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.157394 Jy
! Total flux subtracted in 50 components = 0.157394 Jy
! Clean residual min=-0.025175 max=0.085092 Jy/beam
! Clean residual mean=0.000005 rms=0.006988 Jy/beam
! Combined flux in latest and established models = 1.20485 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 13 components and 1.20485 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.314728Jy  sigma=0.005542
! Fit after  self-cal, rms=0.314365Jy  sigma=0.005540
! Inverting map 
! Added new window around map position (-0.7, -0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.100657 Jy
! Total flux subtracted in 50 components = 0.100657 Jy
! Clean residual min=-0.021244 max=0.057337 Jy/beam
! Clean residual mean=0.000005 rms=0.005920 Jy/beam
! Combined flux in latest and established models = 1.30551 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 19 components and 1.30551 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.270138Jy  sigma=0.004688
! Fit after  self-cal, rms=0.269478Jy  sigma=0.004683
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0711416 Jy
! Total flux subtracted in 50 components = 0.0711416 Jy
! Clean residual min=-0.020173 max=0.054768 Jy/beam
! Clean residual mean=0.000005 rms=0.005272 Jy/beam
! Combined flux in latest and established models = 1.37665 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 30 components and 1.37665 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.243451Jy  sigma=0.004139
! Fit after  self-cal, rms=0.243101Jy  sigma=0.004137
! Inverting map 
! Added new window around map position (-1.5, -0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0592107 Jy
! Total flux subtracted in 50 components = 0.0592107 Jy
! Clean residual min=-0.018579 max=0.040589 Jy/beam
! Clean residual mean=0.000006 rms=0.004770 Jy/beam
! Combined flux in latest and established models = 1.43586 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 35 components and 1.43586 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.223327Jy  sigma=0.003723
! Fit after  self-cal, rms=0.222627Jy  sigma=0.003717
! 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=0.638 mas, bmaj=1.483 mas, bpa=-17.09 degrees
! Estimated noise=283.204 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 = 0.106018 Jy
! Component: 100  -  total flux cleaned = 0.1731 Jy
! Total flux subtracted in 100 components = 0.1731 Jy
! Clean residual min=-0.021002 max=0.060050 Jy/beam
! Clean residual mean=0.000528 rms=0.007438 Jy/beam
! Combined flux in latest and established models = 1.60896 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 56 components and 1.60896 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.183665Jy  sigma=0.002721
! Fit after  self-cal, rms=0.182082Jy  sigma=0.002694
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 51 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        1.28     HN        0.97     
!   KK        1.05     KP        0.99     LA        0.99     MC        0.86     
!   MK        1.00*    NL        1.18     NY        0.99     ON        1.20     
!   OV        1.01     PT        1.00*    SC        0.98     WF        0.95     
!   WZ        0.97     
! 
!  A total of 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.94     GC        1.00*    HN        0.95     
!   KK        0.96     KP        0.94     LA        0.92     MC        1.25     
!   MK        0.97     NL        1.24     NY        0.97     ON        1.02     
!   OV        0.95     PT        0.92     SC        1.05     WF        0.93     
!   WZ        1.31     
! 
!  A total of 36 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        0.97     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        0.95     
!   MK        1.00*    NL        1.15     NY        0.98     ON        0.94     
!   OV        1.00*    PT        1.00*    SC        0.99     WF        0.97     
!   WZ        1.00     
! 
! 
! Correcting IF 2.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.36     HN        0.95     
!   KK        0.98     KP        0.98     LA        1.01     MC        0.86     
!   MK        1.00*    NL        1.19     NY        1.00     ON        1.22     
!   OV        0.99     PT        1.00*    SC        0.97     WF        0.94     
!   WZ        0.86     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.93     GC        1.00*    HN        0.95     
!   KK        0.96     KP        0.95     LA        0.93     MC        1.25     
!   MK        0.96     NL        1.20     NY        0.99     ON        1.00     
!   OV        0.92     PT        0.95     SC        1.04     WF        0.95     
!   WZ        1.06     
! 
!  A total of 24 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        0.97     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        0.95     
!   MK        1.00*    NL        1.17     NY        0.98     ON        0.95     
!   OV        1.00*    PT        1.00*    SC        0.98     WF        0.95     
!   WZ        0.87     
! 
! 
! Correcting IF 3.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.35     HN        0.96     
!   KK        0.78     KP        1.02     LA        0.99     MC        0.86     
!   MK        1.00*    NL        1.20     NY        1.00     ON        1.23     
!   OV        1.00     PT        1.00*    SC        0.93     WF        1.03     
!   WZ        0.91     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.95     GC        1.00*    HN        0.96     
!   KK        0.94     KP        0.97     LA        0.92     MC        1.29     
!   MK        0.96     NL        1.18     NY        1.00     ON        0.99     
!   OV        0.94     PT        0.97     SC        1.06     WF        1.02     
!   WZ        1.06     
! 
!  A total of 21 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        0.97     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        0.93     
!   MK        1.00*    NL        1.11     NY        0.99     ON        0.96     
!   OV        1.00*    PT        1.00*    SC        0.96     WF        1.00     
!   WZ        0.87     
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.22     HN        0.99     
!   KK        0.84     KP        0.99     LA        1.01     MC        0.87     
!   MK        1.00*    NL        1.14     NY        1.02     ON        1.22     
!   OV        1.02     PT        1.00*    SC        0.94     WF        1.06     
!   WZ        1.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.95     GC        1.00*    HN        0.95     
!   KK        0.96     KP        0.95     LA        0.94     MC        1.38     
!   MK        0.98     NL        1.23     NY        1.03     ON        0.99     
!   OV        0.95     PT        1.00     SC        1.12     WF        1.11     
!   WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        0.95     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        0.95     
!   MK        1.00*    NL        1.12     NY        0.99     ON        1.00     
!   OV        1.00*    PT        1.00*    SC        1.02     WF        1.09     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.182082Jy  sigma=0.002694
! Fit after  self-cal, rms=0.116974Jy  sigma=0.001419
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6575 mas, bmaj=1.503 mas, bpa=-17 degrees
! Estimated noise=280.812 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 = 0.00397945 Jy
! Component: 100  -  total flux cleaned = 0.00279898 Jy
! Total flux subtracted in 100 components = 0.00279898 Jy
! Clean residual min=-0.007376 max=0.010205 Jy/beam
! Clean residual mean=0.000318 rms=0.001605 Jy/beam
! Combined flux in latest and established models = 1.61176 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 68 components and 1.61176 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115101Jy  sigma=0.001384
! Fit after  self-cal, rms=0.114928Jy  sigma=0.001381
! 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 (-2.7, -0.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00643775 Jy
! Component: 100  -  total flux cleaned = 0.00726695 Jy
! Total flux subtracted in 100 components = 0.00726695 Jy
! Clean residual min=-0.007206 max=0.008087 Jy/beam
! Clean residual mean=0.000297 rms=0.001473 Jy/beam
! Combined flux in latest and established models = 1.61903 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 87 components and 1.61903 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113984Jy  sigma=0.001362
! Fit after  self-cal, rms=0.103230Jy  sigma=0.001219
! Inverting map and beam 
! Estimated beam: bmin=0.6597 mas, bmaj=1.495 mas, bpa=-16.85 degrees
! Estimated noise=280.857 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 = -0.0006537 Jy
! Component: 100  -  total flux cleaned = -0.00121721 Jy
! Total flux subtracted in 100 components = -0.00121721 Jy
! Clean residual min=-0.004659 max=0.005524 Jy/beam
! Clean residual mean=0.000207 rms=0.000865 Jy/beam
! Combined flux in latest and established models = 1.61781 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 94 components and 1.61781 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102379Jy  sigma=0.001203
! Fit after  self-cal, rms=0.102318Jy  sigma=0.001203
! Inverting map 
! Added new window around map position (-4.9, -2.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00303334 Jy
! Component: 100  -  total flux cleaned = 0.00383378 Jy
! Total flux subtracted in 100 components = 0.00383378 Jy
! Clean residual min=-0.004323 max=0.004016 Jy/beam
! Clean residual mean=0.000194 rms=0.000782 Jy/beam
! Combined flux in latest and established models = 1.62165 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 104 components and 1.62165 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101866Jy  sigma=0.001194
! Fit after  self-cal, rms=0.101830Jy  sigma=0.001193
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save OJ287_X
! Writing UV FITS file: OJ287_X.uvf
! Writing 104 model components to file: OJ287_X.mod
! wwins: Wrote 5 windows to OJ287_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6597 x 1.495 at -16.85 degrees (North through East)
! Clean map  min=-0.0040767  max=1.122 Jy/beam
! Writing clean map to FITS file: OJ287_X.fits
! Writing difmap environment to: OJ287_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot OJ287_X]
device OJ287_Xuv.ps/vps,1,2
! Attempting to open device: 'OJ287_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device OJ287_Xim.ps/vps
! Attempting to open device: 'OJ287_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=0.6597 mas, bmaj=1.495 mas, bpa=-16.85 degrees
! Estimated noise=280.857 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6597 x 1.495 at -16.85 degrees (North through East)
! Clean map  min=-0.0040767  max=1.122 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file OJ287_X.log closed on Wed Apr  2 00:20:43 2008