! Started logfile: OQ208_X.log on Tue Dec 12 21:26:32 2006
observe OQ208_X.edt
! Reading UV FITS file: OQ208_X.edt
! AN table 1: 78 integrations on 153 of 153 possible baselines.
! AN table 2: 7 integrations on 153 of 153 possible baselines.
! AN table 3: 32 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.129434 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: OQ208
! 
! 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 1304 lines of history.
! 
! Reading 9268 visibilities.
![@gonzo8-0.1 OQ208_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 1076 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
!  A total of 515 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1079 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
!  A total of 515 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1083 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
!  A total of 515 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1073 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
!  A total of 515 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.437704Jy  sigma=0.006939
! Fit after  self-cal, rms=0.436300Jy  sigma=0.006957
! 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=0.5825 mas, bmaj=1.097 mas, bpa=-20.55 degrees
! Estimated noise=1156.29 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 = 0.777197 Jy
! Total flux subtracted in 50 components = 0.777197 Jy
! Clean residual min=-0.056799 max=0.246908 Jy/beam
! Clean residual mean=-0.001322 rms=0.020698 Jy/beam
! Combined flux in latest and established models = 0.777197 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 8 components and 0.777197 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.532197Jy  sigma=0.008795
! Fit after  self-cal, rms=0.532160Jy  sigma=0.008795
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.272202 Jy
! Total flux subtracted in 50 components = 0.272202 Jy
! Clean residual min=-0.039112 max=0.135655 Jy/beam
! Clean residual mean=-0.000988 rms=0.014244 Jy/beam
! Combined flux in latest and established models = 1.0494 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 24 components and 1.0494 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.377695Jy  sigma=0.006207
! Fit after  self-cal, rms=0.377227Jy  sigma=0.006205
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.164116 Jy
! Total flux subtracted in 50 components = 0.164116 Jy
! Clean residual min=-0.030192 max=0.104097 Jy/beam
! Clean residual mean=-0.000787 rms=0.011007 Jy/beam
! Combined flux in latest and established models = 1.21352 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 31 components and 1.21352 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.298332Jy  sigma=0.004823
! Fit after  self-cal, rms=0.297622Jy  sigma=0.004819
! Inverting map 
! Added new window around map position (-0.8, -1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.118781 Jy
! Total flux subtracted in 50 components = 0.118781 Jy
! Clean residual min=-0.024161 max=0.064938 Jy/beam
! Clean residual mean=-0.000641 rms=0.008803 Jy/beam
! Combined flux in latest and established models = 1.3323 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 41 components and 1.3323 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246306Jy  sigma=0.003897
! Fit after  self-cal, rms=0.244911Jy  sigma=0.003886
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0859297 Jy
! Total flux subtracted in 50 components = 0.0859297 Jy
! Clean residual min=-0.021623 max=0.049497 Jy/beam
! Clean residual mean=-0.000535 rms=0.007338 Jy/beam
! Combined flux in latest and established models = 1.41823 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 52 components and 1.41823 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.212170Jy  sigma=0.003274
! Fit after  self-cal, rms=0.211504Jy  sigma=0.003270
! 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=0.7231 mas, bmaj=1.327 mas, bpa=-18.76 degrees
! Estimated noise=662.525 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 = 0.111023 Jy
! Component: 100  -  total flux cleaned = 0.179006 Jy
! Total flux subtracted in 100 components = 0.179006 Jy
! Clean residual min=-0.019987 max=0.065368 Jy/beam
! Clean residual mean=-0.000205 rms=0.008569 Jy/beam
! Combined flux in latest and established models = 1.59723 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 90 components and 1.59723 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.162979Jy  sigma=0.002293
! Fit after  self-cal, rms=0.161745Jy  sigma=0.002282
! Inverting map 
! Added new window around map position (-5.3, -4.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.061183 Jy
! Component: 100  -  total flux cleaned = 0.101527 Jy
! Total flux subtracted in 100 components = 0.101527 Jy
! Clean residual min=-0.015098 max=0.034642 Jy/beam
! Clean residual mean=-0.000213 rms=0.006028 Jy/beam
! Combined flux in latest and established models = 1.69876 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 112 components and 1.69876 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.141128Jy  sigma=0.001882
! Fit after  self-cal, rms=0.140335Jy  sigma=0.001872
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     GC        1.00     HH        1.00*    HN        0.97     
!   LA        0.96     MC        1.02     MK        0.97     NY        0.99     
!   ON        1.07     OV        0.97     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        0.96     BR        1.02     KK        0.97     
!   KP        0.97     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.96     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.98     MC        1.00*    MK        0.97     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.03     KK        0.97     
!   KP        1.01     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.95     GC        1.00*    HH        1.00*    HN        1.09     
!   LA        0.94     MC        1.00*    MK        0.96     NY        1.00*    
!   ON        1.00*    OV        0.93     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.02     BR        1.02     KK        1.00     
!   KP        0.99     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     GC        1.02     HH        1.00*    HN        0.96     
!   LA        0.96     MC        0.99     MK        0.97     NY        0.99     
!   ON        1.06     OV        0.97     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        0.96     BR        1.03     KK        0.98     
!   KP        0.93     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.97     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.97     MC        1.00*    MK        0.97     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.05     KK        0.96     
!   KP        0.95     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.96     GC        1.00*    HH        1.00*    HN        1.11     
!   LA        0.94     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        0.93     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.03     BR        1.02     KK        0.98     
!   KP        0.96     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     GC        1.04     HH        1.00*    HN        0.97     
!   LA        0.99     MC        0.99     MK        0.99     NY        1.00     
!   ON        1.05     OV        1.00     PT        1.05     SC        1.00*    
!   TS        1.00*    WF        1.09     BR        1.07     KK        0.98     
!   KP        0.93     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.95     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.00     MC        1.00*    MK        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.05     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.08     KK        0.99     
!   KP        0.94     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.96     GC        1.00*    HH        1.00*    HN        1.13     
!   LA        0.97     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.02     SC        1.00*    
!   TS        1.00*    WF        1.17     BR        1.08     KK        0.99     
!   KP        0.95     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.95     GC        1.09     HH        1.00*    HN        0.98     
!   LA        0.96     MC        1.04     MK        1.01     NY        1.04     
!   ON        1.02     OV        0.99     PT        1.06     SC        1.00*    
!   TS        1.00*    WF        1.11     BR        1.05     KK        1.00     
!   KP        0.95     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.98     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.98     MC        1.00*    MK        0.99     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.03     KK        0.97     
!   KP        0.97     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.94     GC        1.00*    HH        1.00*    HN        1.17     
!   LA        0.95     MC        1.00*    MK        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.17     BR        1.05     KK        1.02     
!   KP        0.98     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.140335Jy  sigma=0.001872
! Fit after  self-cal, rms=0.120874Jy  sigma=0.001472
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7275 mas, bmaj=1.342 mas, bpa=-18.56 degrees
! Estimated noise=652.371 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 (-6.8, -3.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0293857 Jy
! Component: 100  -  total flux cleaned = 0.044471 Jy
! Total flux subtracted in 100 components = 0.044471 Jy
! Clean residual min=-0.007915 max=0.013510 Jy/beam
! Clean residual mean=0.000180 rms=0.002529 Jy/beam
! Combined flux in latest and established models = 1.74323 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 141 components and 1.74323 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115327Jy  sigma=0.001345
! Fit after  self-cal, rms=0.115036Jy  sigma=0.001339
! 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 = 0.00995916 Jy
! Component: 100  -  total flux cleaned = 0.0145434 Jy
! Total flux subtracted in 100 components = 0.0145434 Jy
! Clean residual min=-0.007691 max=0.012816 Jy/beam
! Clean residual mean=0.000177 rms=0.002290 Jy/beam
! Combined flux in latest and established models = 1.75777 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 157 components and 1.75777 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114110Jy  sigma=0.001321
! Fit after  self-cal, rms=0.110215Jy  sigma=0.001250
! Inverting map and beam 
! Estimated beam: bmin=0.7296 mas, bmaj=1.339 mas, bpa=-18.48 degrees
! Estimated noise=652.21 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 (-1.1, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0114922 Jy
! Component: 100  -  total flux cleaned = 0.0161616 Jy
! Total flux subtracted in 100 components = 0.0161616 Jy
! Clean residual min=-0.006005 max=0.006430 Jy/beam
! Clean residual mean=0.000204 rms=0.001565 Jy/beam
! Combined flux in latest and established models = 1.77394 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 168 components and 1.77394 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108463Jy  sigma=0.001225
! Fit after  self-cal, rms=0.108210Jy  sigma=0.001222
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save OQ208_X
! Writing UV FITS file: OQ208_X.uvf
! Writing 168 model components to file: OQ208_X.mod
! wwins: Wrote 5 windows to OQ208_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7296 x 1.339 at -18.48 degrees (North through East)
! Clean map  min=-0.0058257  max=1.0575 Jy/beam
! Writing clean map to FITS file: OQ208_X.fits
! Writing difmap environment to: OQ208_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot OQ208_X]
device OQ208_Xuv.ps/vps,1,2
! Attempting to open device: 'OQ208_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device OQ208_Xim.ps/vps
! Attempting to open device: 'OQ208_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=0.7296 mas, bmaj=1.339 mas, bpa=-18.48 degrees
! Estimated noise=652.21 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7296 x 1.339 at -18.48 degrees (North through East)
! Clean map  min=-0.0058257  max=1.0575 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file OQ208_X.log closed on Tue Dec 12 21:26:56 2006