! Started logfile: 1921-293_X.log on Mon Mar 31 22:54:28 2008
observe 1921-293_X.edt
! Reading UV FITS file: 1921-293_X.edt
! AN table 1: 14 integrations on 136 of 136 possible baselines.
! AN table 2: 39 integrations on 136 of 136 possible baselines.
! AN table 3: 11 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.0697381 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1921-293
! 
! 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 1222 lines of history.
! 
! Reading 2428 visibilities.
![@gonzo6-0.1 1921-293_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 = 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 0.100x0.100 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 238 telescope corrections were flagged in sub-array 1.
!  A total of 511 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 511 telescope corrections were flagged in sub-array 2.
!  A total of 134 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 510 telescope corrections were flagged in sub-array 2.
!  A total of 127 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 238 telescope corrections were flagged in sub-array 1.
!  A total of 510 telescope corrections were flagged in sub-array 2.
!  A total of 127 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=7.602909Jy  sigma=0.124983
! Fit after  self-cal, rms=7.604406Jy  sigma=0.125013
! 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=0.6393 mas, bmaj=3.052 mas, bpa=-9.365 degrees
! Estimated noise=1905.42 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 = 6.21571 Jy
! Total flux subtracted in 50 components = 6.21571 Jy
! Clean residual min=-0.505786 max=1.871602 Jy/beam
! Clean residual mean=0.012948 rms=0.240150 Jy/beam
! Combined flux in latest and established models = 6.21571 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 6.21571 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=2.813856Jy  sigma=0.046828
! Fit after  self-cal, rms=2.814168Jy  sigma=0.046816
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.79884 Jy
! Total flux subtracted in 50 components = 1.79884 Jy
! Clean residual min=-0.289938 max=0.801920 Jy/beam
! Clean residual mean=0.007290 rms=0.123193 Jy/beam
! Combined flux in latest and established models = 8.01455 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 24 components and 8.01455 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.511710Jy  sigma=0.024915
! Fit after  self-cal, rms=1.512240Jy  sigma=0.024876
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.886755 Jy
! Total flux subtracted in 50 components = 0.886755 Jy
! Clean residual min=-0.205530 max=0.413106 Jy/beam
! Clean residual mean=0.004519 rms=0.072095 Jy/beam
! Combined flux in latest and established models = 8.9013 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 35 components and 8.9013 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.932999Jy  sigma=0.015025
! Fit after  self-cal, rms=0.933823Jy  sigma=0.014983
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.465555 Jy
! Total flux subtracted in 50 components = 0.465555 Jy
! Clean residual min=-0.165202 max=0.219562 Jy/beam
! Clean residual mean=0.003062 rms=0.050020 Jy/beam
! Combined flux in latest and established models = 9.36686 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 49 components and 9.36686 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.672924Jy  sigma=0.010485
! Fit after  self-cal, rms=0.674017Jy  sigma=0.010439
! 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=0.7847 mas, bmaj=3.931 mas, bpa=-12.38 degrees
! Estimated noise=1105.69 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 = 0.362454 Jy
! Component: 100  -  total flux cleaned = 0.551651 Jy
! Total flux subtracted in 100 components = 0.551651 Jy
! Clean residual min=-0.126417 max=0.232239 Jy/beam
! Clean residual mean=0.003362 rms=0.053579 Jy/beam
! Combined flux in latest and established models = 9.91851 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 88 components and 9.91851 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.478637Jy  sigma=0.006948
! Fit after  self-cal, rms=0.479321Jy  sigma=0.006937
! 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        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.01     GC        1.00*    HN        1.00*    
!   KK        0.99     KP        0.99     LA        0.98     MC        1.00*    
!   MK        0.98     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.04     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.00*    NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.01     GC        1.00*    HN        1.00*    
!   KK        0.99     KP        0.99     LA        0.98     MC        1.00*    
!   MK        0.98     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.04     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.00*    NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.01     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        0.99     LA        0.98     MC        1.00*    
!   MK        0.99     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.01     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        0.97     KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.00*    NL        0.96     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.01     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        0.99     LA        0.98     MC        1.00*    
!   MK        0.99     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.00     WF        1.00*    
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        0.97     KP        0.98     LA        0.98     MC        1.00*    
!   MK        1.00*    NL        0.96     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.00     SC        1.00*    WF        1.00*    
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.479321Jy  sigma=0.006937
! Fit after  self-cal, rms=0.445941Jy  sigma=0.006513
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7837 mas, bmaj=3.955 mas, bpa=-12.46 degrees
! Estimated noise=1092.12 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 = 0.0879805 Jy
! Component: 100  -  total flux cleaned = 0.105098 Jy
! Total flux subtracted in 100 components = 0.105098 Jy
! Clean residual min=-0.105488 max=0.200165 Jy/beam
! Clean residual mean=0.002015 rms=0.039613 Jy/beam
! Combined flux in latest and established models = 10.0236 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 95 components and 10.0236 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.430857Jy  sigma=0.006263
! Fit after  self-cal, rms=0.431315Jy  sigma=0.006260
! 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 (3.5, 1.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.175435 Jy
! Component: 100  -  total flux cleaned = 0.255512 Jy
! Total flux subtracted in 100 components = 0.255512 Jy
! Clean residual min=-0.106437 max=0.104535 Jy/beam
! Clean residual mean=0.000898 rms=0.028626 Jy/beam
! Combined flux in latest and established models = 10.2791 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 120 components and 10.2791 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.358325Jy  sigma=0.005066
! Fit after  self-cal, rms=0.327527Jy  sigma=0.004635
! Inverting map and beam 
! Estimated beam: bmin=0.7819 mas, bmaj=3.945 mas, bpa=-12.46 degrees
! Estimated noise=1091.87 mJy/beam.
! Added new window around map position (9.2, -6.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.111196 Jy
! Component: 100  -  total flux cleaned = 0.17738 Jy
! Total flux subtracted in 100 components = 0.17738 Jy
! Clean residual min=-0.062822 max=0.077183 Jy/beam
! Clean residual mean=0.000916 rms=0.019992 Jy/beam
! Combined flux in latest and established models = 10.4565 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 144 components and 10.4565 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.288601Jy  sigma=0.003962
! Fit after  self-cal, rms=0.274164Jy  sigma=0.003791
! Inverting map and beam 
! Estimated beam: bmin=0.7815 mas, bmaj=3.941 mas, bpa=-12.45 degrees
! Estimated noise=1092.16 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 = 0.0681587 Jy
! Component: 100  -  total flux cleaned = 0.0989374 Jy
! Total flux subtracted in 100 components = 0.0989374 Jy
! Clean residual min=-0.053363 max=0.063511 Jy/beam
! Clean residual mean=0.000652 rms=0.016437 Jy/beam
! Combined flux in latest and established models = 10.5554 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 170 components and 10.5554 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.256246Jy  sigma=0.003482
! Fit after  self-cal, rms=0.252097Jy  sigma=0.003439
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1921-293_X
! Writing UV FITS file: 1921-293_X.uvf
! Writing 170 model components to file: 1921-293_X.mod
! wwins: Wrote 3 windows to 1921-293_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7815 x 3.941 at -12.45 degrees (North through East)
! Clean map  min=-0.054066  max=8.1162 Jy/beam
! Writing clean map to FITS file: 1921-293_X.fits
! Writing difmap environment to: 1921-293_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1921-293_X]
device 1921-293_Xuv.ps/vps,1,2
! Attempting to open device: '1921-293_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1921-293_Xim.ps/vps
! Attempting to open device: '1921-293_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=0.7815 mas, bmaj=3.941 mas, bpa=-12.45 degrees
! Estimated noise=1092.16 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7815 x 3.941 at -12.45 degrees (North through East)
! Clean map  min=-0.054066  max=8.1162 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1921-293_X.log closed on Mon Mar 31 22:54:34 2008