! Started logfile: 1308+326_S.log on Wed Apr 30 00:01:02 2008
observe 1308+326_S.edt
! Reading UV FITS file: 1308+326_S.edt
! AN table 1: 74 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.270624 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1308+326
! 
! 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 12256 visibilities.
![@gonzo7-0.4 1308+326_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 = 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 0.400x0.400 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 935 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 921 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 922 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 943 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.588083Jy  sigma=0.007466
! Fit after  self-cal, rms=0.587941Jy  sigma=0.007466
! 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=2.035 mas, bmaj=3.734 mas, bpa=-18.34 degrees
! Estimated noise=1212.42 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 = 1.14264 Jy
! Total flux subtracted in 50 components = 1.14264 Jy
! Clean residual min=-0.052428 max=0.318714 Jy/beam
! Clean residual mean=0.000009 rms=0.014304 Jy/beam
! Combined flux in latest and established models = 1.14264 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 1.14264 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.468795Jy  sigma=0.005953
! Fit after  self-cal, rms=0.468794Jy  sigma=0.005953
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.317279 Jy
! Total flux subtracted in 50 components = 0.317279 Jy
! Clean residual min=-0.026540 max=0.141403 Jy/beam
! Clean residual mean=-0.000009 rms=0.007216 Jy/beam
! Combined flux in latest and established models = 1.45992 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 9 components and 1.45992 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.251966Jy  sigma=0.003122
! Fit after  self-cal, rms=0.251936Jy  sigma=0.003122
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.153268 Jy
! Total flux subtracted in 50 components = 0.153268 Jy
! Clean residual min=-0.015124 max=0.069695 Jy/beam
! Clean residual mean=-0.000016 rms=0.004090 Jy/beam
! Combined flux in latest and established models = 1.61319 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 9 components and 1.61319 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166672Jy  sigma=0.001961
! Fit after  self-cal, rms=0.166648Jy  sigma=0.001961
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0754989 Jy
! Total flux subtracted in 50 components = 0.0754989 Jy
! Clean residual min=-0.011096 max=0.034332 Jy/beam
! Clean residual mean=-0.000020 rms=0.002822 Jy/beam
! Combined flux in latest and established models = 1.68869 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 11 components and 1.68869 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137246Jy  sigma=0.001523
! Fit after  self-cal, rms=0.137218Jy  sigma=0.001522
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0396295 Jy
! Total flux subtracted in 50 components = 0.0396295 Jy
! Clean residual min=-0.009278 max=0.020593 Jy/beam
! Clean residual mean=-0.000022 rms=0.002362 Jy/beam
! Combined flux in latest and established models = 1.72832 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 21 components and 1.72832 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127491Jy  sigma=0.001367
! Fit after  self-cal, rms=0.127476Jy  sigma=0.001367
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0253266 Jy
! Total flux subtracted in 50 components = 0.0253266 Jy
! Clean residual min=-0.008737 max=0.019437 Jy/beam
! Clean residual mean=-0.000023 rms=0.002152 Jy/beam
! Combined flux in latest and established models = 1.75364 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 26 components and 1.75364 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.123391Jy  sigma=0.001302
! Fit after  self-cal, rms=0.123380Jy  sigma=0.001302
! Inverting map 
! Added new window around map position (-7.6, 2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0203477 Jy
! Total flux subtracted in 50 components = 0.0203477 Jy
! Clean residual min=-0.008415 max=0.013763 Jy/beam
! Clean residual mean=-0.000021 rms=0.001994 Jy/beam
! Combined flux in latest and established models = 1.77399 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 37 components and 1.77399 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120710Jy  sigma=0.001254
! Fit after  self-cal, rms=0.120542Jy  sigma=0.001253
! Inverting map 
! Added new window around map position (-4.8, 2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0165629 Jy
! Total flux subtracted in 50 components = 0.0165629 Jy
! Clean residual min=-0.008692 max=0.009691 Jy/beam
! Clean residual mean=-0.000019 rms=0.001875 Jy/beam
! Combined flux in latest and established models = 1.79055 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 42 components and 1.79055 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.118791Jy  sigma=0.001221
! Fit after  self-cal, rms=0.118709Jy  sigma=0.001220
! 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=2.371 mas, bmaj=4.09 mas, bpa=-17.53 degrees
! Estimated noise=782.528 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 = 0.0181031 Jy
! Component: 100  -  total flux cleaned = 0.030417 Jy
! Total flux subtracted in 100 components = 0.030417 Jy
! Clean residual min=-0.006071 max=0.009408 Jy/beam
! Clean residual mean=-0.000034 rms=0.001484 Jy/beam
! Combined flux in latest and established models = 1.82097 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 57 components and 1.82097 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116419Jy  sigma=0.001175
! Fit after  self-cal, rms=0.116211Jy  sigma=0.001173
! 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        1.00     FD        1.01     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.00     NL        1.00     NY        1.01     
!   ON        0.99     OV        0.99     PT        0.99     SC        1.00     
!   WF        1.00     WZ        0.99     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        0.99     LA        1.00     
!   MC        1.01     MK        1.00     NL        1.00     NY        1.00     
!   ON        0.99     OV        0.99     PT        0.99     SC        1.00     
!   WF        0.99     WZ        0.99     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.01     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        0.99     LA        1.00     
!   MC        1.02     MK        1.00     NL        1.00     NY        1.01     
!   ON        1.01     OV        0.99     PT        0.99     SC        1.01     
!   WF        1.00     WZ        0.99     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.01     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        0.99     LA        1.00*    
!   MC        1.01     MK        1.00     NL        1.00     NY        1.01     
!   ON        1.00     OV        0.99     PT        1.00     SC        1.01     
!   WF        1.00     WZ        0.99     
! 
! 
! Fit before self-cal, rms=0.116211Jy  sigma=0.001173
! Fit after  self-cal, rms=0.115517Jy  sigma=0.001163
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.371 mas, bmaj=4.097 mas, bpa=-17.53 degrees
! Estimated noise=779.91 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 = 0.00872911 Jy
! Component: 100  -  total flux cleaned = 0.0145376 Jy
! Total flux subtracted in 100 components = 0.0145376 Jy
! Clean residual min=-0.007631 max=0.006184 Jy/beam
! Clean residual mean=-0.000018 rms=0.001213 Jy/beam
! Combined flux in latest and established models = 1.83551 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 70 components and 1.83551 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115048Jy  sigma=0.001152
! Fit after  self-cal, rms=0.114981Jy  sigma=0.001151
! 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 = 0.0048691 Jy
! Component: 100  -  total flux cleaned = 0.00664016 Jy
! Total flux subtracted in 100 components = 0.00664016 Jy
! Clean residual min=-0.008157 max=0.006070 Jy/beam
! Clean residual mean=-0.000016 rms=0.001179 Jy/beam
! Combined flux in latest and established models = 1.84215 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 76 components and 1.84215 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114817Jy  sigma=0.001147
! Fit after  self-cal, rms=0.113504Jy  sigma=0.001130
! Inverting map and beam 
! Estimated beam: bmin=2.37 mas, bmaj=4.097 mas, bpa=-17.5 degrees
! Estimated noise=780.732 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 = 0.0051174 Jy
! Component: 100  -  total flux cleaned = 0.00867891 Jy
! Total flux subtracted in 100 components = 0.00867891 Jy
! Clean residual min=-0.007360 max=0.004990 Jy/beam
! Clean residual mean=-0.000019 rms=0.001073 Jy/beam
! Combined flux in latest and established models = 1.85083 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 84 components and 1.85083 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113287Jy  sigma=0.001126
! Fit after  self-cal, rms=0.113261Jy  sigma=0.001126
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1308+326_S
! Writing UV FITS file: 1308+326_S.uvf
! Writing 84 model components to file: 1308+326_S.mod
! wwins: Wrote 3 windows to 1308+326_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.37 x 4.097 at -17.5 degrees (North through East)
! Clean map  min=-0.0039756  max=1.514 Jy/beam
! Writing clean map to FITS file: 1308+326_S.fits
! Writing difmap environment to: 1308+326_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1308+326_S]
device 1308+326_Suv.ps/vps,1,2
! Attempting to open device: '1308+326_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1308+326_Sim.ps/vps
! Attempting to open device: '1308+326_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=2.37 mas, bmaj=4.097 mas, bpa=-17.5 degrees
! Estimated noise=780.732 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.37 x 4.097 at -17.5 degrees (North through East)
! Clean map  min=-0.0039756  max=1.514 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1308+326_S.log closed on Wed Apr 30 00:01:09 2008