! Started logfile: NRAO512_X.log on Wed May 14 17:27:43 2008
observe NRAO512_X.edt
! Reading UV FITS file: NRAO512_X.edt
! AN table 1: 108 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.22785 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: NRAO512
! 
! 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 15060 visibilities.
![@gonzo8-0.1 NRAO512_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 1378 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1343 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1331 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1349 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.360058Jy  sigma=0.004658
! Fit after  self-cal, rms=0.358340Jy  sigma=0.004655
! 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=0.5358 mas, bmaj=0.8097 mas, bpa=-6.495 degrees
! Estimated noise=1009.71 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 = 0.501857 Jy
! Total flux subtracted in 50 components = 0.501857 Jy
! Clean residual min=-0.023671 max=0.140621 Jy/beam
! Clean residual mean=-0.000027 rms=0.007116 Jy/beam
! Combined flux in latest and established models = 0.501857 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 0.501857 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.250756Jy  sigma=0.003648
! Fit after  self-cal, rms=0.250758Jy  sigma=0.003648
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.144029 Jy
! Total flux subtracted in 50 components = 0.144029 Jy
! Clean residual min=-0.016645 max=0.064062 Jy/beam
! Clean residual mean=-0.000016 rms=0.004404 Jy/beam
! Combined flux in latest and established models = 0.645887 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 11 components and 0.645887 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.162668Jy  sigma=0.002349
! Fit after  self-cal, rms=0.162667Jy  sigma=0.002349
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.075098 Jy
! Total flux subtracted in 50 components = 0.075098 Jy
! Clean residual min=-0.013562 max=0.038910 Jy/beam
! Clean residual mean=-0.000011 rms=0.003258 Jy/beam
! Combined flux in latest and established models = 0.720985 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 22 components and 0.720985 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129261Jy  sigma=0.001809
! Fit after  self-cal, rms=0.129206Jy  sigma=0.001809
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0477585 Jy
! Total flux subtracted in 50 components = 0.0477585 Jy
! Clean residual min=-0.011501 max=0.025551 Jy/beam
! Clean residual mean=-0.000008 rms=0.002628 Jy/beam
! Combined flux in latest and established models = 0.768743 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 32 components and 0.768743 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113594Jy  sigma=0.001532
! Fit after  self-cal, rms=0.113551Jy  sigma=0.001532
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0319086 Jy
! Total flux subtracted in 50 components = 0.0319086 Jy
! Clean residual min=-0.010296 max=0.017249 Jy/beam
! Clean residual mean=-0.000006 rms=0.002284 Jy/beam
! Combined flux in latest and established models = 0.800652 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 36 components and 0.800651 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106123Jy  sigma=0.001387
! Fit after  self-cal, rms=0.106079Jy  sigma=0.001387
! 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=0.6405 mas, bmaj=0.9246 mas, bpa=-9.191 degrees
! Estimated noise=590.529 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 = 0.0292447 Jy
! Component: 100  -  total flux cleaned = 0.0456308 Jy
! Total flux subtracted in 100 components = 0.0456308 Jy
! Clean residual min=-0.009208 max=0.011510 Jy/beam
! Clean residual mean=0.000007 rms=0.002017 Jy/beam
! Combined flux in latest and established models = 0.846282 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 44 components and 0.846282 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100586Jy  sigma=0.001256
! Fit after  self-cal, rms=0.100546Jy  sigma=0.001255
! 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 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.99     GC        0.97     HH        1.00*    
!   HN        0.97     KK        1.01     KP        0.97     LA        0.98     
!   MC        1.41     MK        1.04     NL        0.96     NY        0.94     
!   ON        0.97     OV        0.96     PT        1.00     SC        1.04     
!   WF        1.02     WZ        1.03     
! 
! 
! Correcting IF 2.
!  A total of 69 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        1.00     HH        1.00*    
!   HN        0.97     KK        1.04     KP        0.99     LA        0.98     
!   MC        1.06     MK        1.01     NL        0.95     NY        0.95     
!   ON        0.98     OV        0.96     PT        1.00     SC        1.03     
!   WF        1.01     WZ        1.06     
! 
! 
! Correcting IF 3.
!  A total of 66 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.01     HH        1.00*    
!   HN        0.98     KK        1.05     KP        1.00     LA        0.99     
!   MC        1.10     MK        0.99     NL        0.96     NY        0.96     
!   ON        0.98     OV        0.99     PT        1.00     SC        1.05     
!   WF        1.10     WZ        1.05     
! 
! 
! Correcting IF 4.
!  A total of 57 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.06     HH        1.00*    
!   HN        0.98     KK        1.02     KP        1.00     LA        0.99     
!   MC        1.14     MK        0.98     NL        0.99     NY        0.97     
!   ON        0.98     OV        0.99     PT        1.03     SC        1.11     
!   WF        1.03     WZ        1.05     
! 
! 
! Fit before self-cal, rms=0.100546Jy  sigma=0.001255
! Fit after  self-cal, rms=0.095849Jy  sigma=0.001141
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6416 mas, bmaj=0.9222 mas, bpa=-9.835 degrees
! Estimated noise=601.205 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 = -0.000716541 Jy
! Component: 100  -  total flux cleaned = -0.00159241 Jy
! Total flux subtracted in 100 components = -0.00159241 Jy
! Clean residual min=-0.006607 max=0.006627 Jy/beam
! Clean residual mean=0.000033 rms=0.001273 Jy/beam
! Combined flux in latest and established models = 0.84469 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 50 components and 0.84469 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095671Jy  sigma=0.001139
! Fit after  self-cal, rms=0.095648Jy  sigma=0.001139
! 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 = -0.00017077 Jy
! Component: 100  -  total flux cleaned = -0.000618596 Jy
! Total flux subtracted in 100 components = -0.000618596 Jy
! Clean residual min=-0.006524 max=0.006613 Jy/beam
! Clean residual mean=0.000033 rms=0.001269 Jy/beam
! Combined flux in latest and established models = 0.844071 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 52 components and 0.844071 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095594Jy  sigma=0.001138
! Fit after  self-cal, rms=0.088383Jy  sigma=0.001020
! Inverting map and beam 
! Estimated beam: bmin=0.6446 mas, bmaj=0.9253 mas, bpa=-10.34 degrees
! Estimated noise=602.817 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 = 0.000568264 Jy
! Component: 100  -  total flux cleaned = 0.000613616 Jy
! Total flux subtracted in 100 components = 0.000613616 Jy
! Clean residual min=-0.003074 max=0.004157 Jy/beam
! Clean residual mean=0.000033 rms=0.000721 Jy/beam
! Combined flux in latest and established models = 0.844685 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 58 components and 0.844685 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088361Jy  sigma=0.001019
! Fit after  self-cal, rms=0.088359Jy  sigma=0.001019
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save NRAO512_X
! Writing UV FITS file: NRAO512_X.uvf
! Writing 58 model components to file: NRAO512_X.mod
! wwins: Wrote 1 windows to NRAO512_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6446 x 0.9253 at -10.34 degrees (North through East)
! Clean map  min=-0.0029274  max=0.68075 Jy/beam
! Writing clean map to FITS file: NRAO512_X.fits
! Writing difmap environment to: NRAO512_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot NRAO512_X]
device NRAO512_Xuv.ps/vps,1,2
! Attempting to open device: 'NRAO512_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device NRAO512_Xim.ps/vps
! Attempting to open device: 'NRAO512_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=0.6446 mas, bmaj=0.9253 mas, bpa=-10.34 degrees
! Estimated noise=602.817 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6446 x 0.9253 at -10.34 degrees (North through East)
! Clean map  min=-0.0029274  max=0.68075 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file NRAO512_X.log closed on Wed May 14 17:27:53 2008