! Started logfile: 1739+522_S.log on Wed May  7 12:36:46 2008
observe 1739+522_S.edt
! Reading UV FITS file: 1739+522_S.edt
! AN table 1: 108 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.286069 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1739+522
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 963 lines of history.
! 
! Reading 18908 visibilities.
![@gonzo6-0.4 1739+522_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 6.0
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 0.400x0.400 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 1236 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1202 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1248 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1268 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.143851Jy  sigma=0.001524
! Fit after  self-cal, rms=0.143265Jy  sigma=0.001513
! 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=1.993 mas, bmaj=2.498 mas, bpa=-26.65 degrees
! Estimated noise=940.749 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 = 0.748056 Jy
! Total flux subtracted in 50 components = 0.748056 Jy
! Clean residual min=-0.020454 max=0.208691 Jy/beam
! Clean residual mean=0.000053 rms=0.005889 Jy/beam
! Combined flux in latest and established models = 0.748056 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 0.748056 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.273342Jy  sigma=0.003322
! Fit after  self-cal, rms=0.273342Jy  sigma=0.003322
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.164373 Jy
! Total flux subtracted in 50 components = 0.164373 Jy
! Clean residual min=-0.009422 max=0.052546 Jy/beam
! Clean residual mean=0.000028 rms=0.002641 Jy/beam
! Combined flux in latest and established models = 0.912429 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 5 components and 0.912429 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157710Jy  sigma=0.001835
! Fit after  self-cal, rms=0.157698Jy  sigma=0.001835
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0592421 Jy
! Total flux subtracted in 50 components = 0.0592421 Jy
! Clean residual min=-0.007259 max=0.030559 Jy/beam
! Clean residual mean=0.000020 rms=0.001909 Jy/beam
! Combined flux in latest and established models = 0.971671 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 15 components and 0.971671 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134002Jy  sigma=0.001482
! Fit after  self-cal, rms=0.133964Jy  sigma=0.001482
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0371977 Jy
! Total flux subtracted in 50 components = 0.0371977 Jy
! Clean residual min=-0.005656 max=0.019838 Jy/beam
! Clean residual mean=0.000014 rms=0.001529 Jy/beam
! Combined flux in latest and established models = 1.00887 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 20 components and 1.00887 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122934Jy  sigma=0.001309
! Fit after  self-cal, rms=0.122893Jy  sigma=0.001309
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.025175 Jy
! Total flux subtracted in 50 components = 0.025175 Jy
! Clean residual min=-0.004989 max=0.014009 Jy/beam
! Clean residual mean=0.000011 rms=0.001323 Jy/beam
! Combined flux in latest and established models = 1.03404 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 29 components and 1.03404 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117289Jy  sigma=0.001219
! Fit after  self-cal, rms=0.117246Jy  sigma=0.001219
! Inverting map 
! Added new window around map position (0.4, 2.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0182826 Jy
! Total flux subtracted in 50 components = 0.0182826 Jy
! Clean residual min=-0.004561 max=0.010458 Jy/beam
! Clean residual mean=0.000008 rms=0.001199 Jy/beam
! Combined flux in latest and established models = 1.05233 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 1.05233 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114109Jy  sigma=0.001167
! Fit after  self-cal, rms=0.114065Jy  sigma=0.001167
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0138214 Jy
! Total flux subtracted in 50 components = 0.0138214 Jy
! Clean residual min=-0.004380 max=0.008232 Jy/beam
! Clean residual mean=0.000007 rms=0.001120 Jy/beam
! Combined flux in latest and established models = 1.06615 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 37 components and 1.06615 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112180Jy  sigma=0.001135
! Fit after  self-cal, rms=0.112158Jy  sigma=0.001135
! Inverting map 
! Added new window around map position (2.4, 2.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0107302 Jy
! Total flux subtracted in 50 components = 0.0107302 Jy
! Clean residual min=-0.004268 max=0.007007 Jy/beam
! Clean residual mean=0.000005 rms=0.001070 Jy/beam
! Combined flux in latest and established models = 1.07688 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 41 components and 1.07688 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110992Jy  sigma=0.001115
! Fit after  self-cal, rms=0.110976Jy  sigma=0.001115
! Inverting map 
! Added new window around map position (-1.2, 4.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00874836 Jy
! Total flux subtracted in 50 components = 0.00874836 Jy
! Clean residual min=-0.004277 max=0.005764 Jy/beam
! Clean residual mean=0.000004 rms=0.001036 Jy/beam
! Combined flux in latest and established models = 1.08563 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 48 components and 1.08563 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110198Jy  sigma=0.001102
! Fit after  self-cal, rms=0.110181Jy  sigma=0.001102
! 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=2.301 mas, bmaj=2.894 mas, bpa=-24.96 degrees
! Estimated noise=596.642 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 = 0.0134888 Jy
! Component: 100  -  total flux cleaned = 0.0225571 Jy
! Total flux subtracted in 100 components = 0.0225571 Jy
! Clean residual min=-0.003449 max=0.006256 Jy/beam
! Clean residual mean=0.000062 rms=0.000918 Jy/beam
! Combined flux in latest and established models = 1.10818 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 66 components and 1.10818 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108791Jy  sigma=0.001077
! Fit after  self-cal, rms=0.108730Jy  sigma=0.001076
! Inverting map 
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00725932 Jy
! Component: 100  -  total flux cleaned = 0.0124186 Jy
! Total flux subtracted in 100 components = 0.0124186 Jy
! Clean residual min=-0.003095 max=0.004755 Jy/beam
! Clean residual mean=0.000032 rms=0.000789 Jy/beam
! Combined flux in latest and established models = 1.1206 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 78 components and 1.1206 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108303Jy  sigma=0.001069
! Fit after  self-cal, rms=0.108277Jy  sigma=0.001068
! Inverting map 
! Added new window around map position (-4, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00501318 Jy
! Component: 100  -  total flux cleaned = 0.00854791 Jy
! Total flux subtracted in 100 components = 0.00854791 Jy
! Clean residual min=-0.002878 max=0.003858 Jy/beam
! Clean residual mean=0.000011 rms=0.000722 Jy/beam
! Combined flux in latest and established models = 1.12915 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 90 components and 1.12915 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108067Jy  sigma=0.001065
! Fit after  self-cal, rms=0.108057Jy  sigma=0.001065
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        1.00     LA        1.00     
!   MC        1.00     MK        1.00     NL        1.00     NY        1.00     
!   ON        1.00     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.01     WZ        1.00     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        1.00     LA        1.00     
!   MC        1.01     MK        1.00     NL        1.00     NY        1.00     
!   ON        1.00     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.01     WZ        1.00     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        1.00     LA        1.00     
!   MC        1.01     MK        1.00     NL        1.00     NY        1.01     
!   ON        1.01     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.01     WZ        1.00     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        1.00     LA        1.00*    
!   MC        1.01     MK        1.00     NL        1.00     NY        1.01     
!   ON        1.01     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.02     WZ        1.00     
! 
! 
! Fit before self-cal, rms=0.108057Jy  sigma=0.001065
! Fit after  self-cal, rms=0.108145Jy  sigma=0.001064
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.304 mas, bmaj=2.898 mas, bpa=-24.88 degrees
! Estimated noise=596.297 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 (-0.8, 9.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00385228 Jy
! Component: 100  -  total flux cleaned = 0.00628237 Jy
! Total flux subtracted in 100 components = 0.00628237 Jy
! Clean residual min=-0.002648 max=0.002834 Jy/beam
! Clean residual mean=0.000020 rms=0.000668 Jy/beam
! Combined flux in latest and established models = 1.13543 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 105 components and 1.13543 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108010Jy  sigma=0.001062
! Fit after  self-cal, rms=0.108006Jy  sigma=0.001062
! 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 (6.8, 6.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00295313 Jy
! Component: 100  -  total flux cleaned = 0.00488361 Jy
! Total flux subtracted in 100 components = 0.00488361 Jy
! Clean residual min=-0.002669 max=0.002574 Jy/beam
! Clean residual mean=0.000009 rms=0.000648 Jy/beam
! Combined flux in latest and established models = 1.14032 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 125 components and 1.14032 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107927Jy  sigma=0.001061
! Fit after  self-cal, rms=0.107579Jy  sigma=0.001054
! Inverting map and beam 
! Estimated beam: bmin=2.303 mas, bmaj=2.899 mas, bpa=-24.93 degrees
! Estimated noise=596.594 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 = 0.00171815 Jy
! Component: 100  -  total flux cleaned = 0.0026138 Jy
! Total flux subtracted in 100 components = 0.0026138 Jy
! Clean residual min=-0.002597 max=0.002508 Jy/beam
! Clean residual mean=-0.000003 rms=0.000625 Jy/beam
! Combined flux in latest and established models = 1.14293 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 136 components and 1.14293 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107533Jy  sigma=0.001054
! Fit after  self-cal, rms=0.107529Jy  sigma=0.001054
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1739+522_S
! Writing UV FITS file: 1739+522_S.uvf
! Writing 136 model components to file: 1739+522_S.mod
! wwins: Wrote 7 windows to 1739+522_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.303 x 2.899 at -24.93 degrees (North through East)
! Clean map  min=-0.0024343  max=0.9767 Jy/beam
! Writing clean map to FITS file: 1739+522_S.fits
! Writing difmap environment to: 1739+522_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1739+522_S]
device 1739+522_Suv.ps/vps,1,2
! Attempting to open device: '1739+522_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1739+522_Sim.ps/vps
! Attempting to open device: '1739+522_Sim.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=2.303 mas, bmaj=2.899 mas, bpa=-24.93 degrees
! Estimated noise=596.594 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.303 x 2.899 at -24.93 degrees (North through East)
! Clean map  min=-0.0024343  max=0.9767 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 1739+522_S.log closed on Wed May  7 12:36:55 2008