! Started logfile: 1921-293_S.log on Mon Feb  5 20:58:29 2007
observe 1921-293_S.edt
! Reading UV FITS file: 1921-293_S.edt
! AN table 1: 47 integrations on 153 of 153 possible baselines.
! AN table 2: 9 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.126984 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  2.22997e+09        8e+06          1        8e+06
!  02        2  2.25997e+09        8e+06          1        8e+06
!  03        3  2.34997e+09        8e+06          1        8e+06
!  04        4  2.36997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1912 lines of history.
! 
! Reading 4352 visibilities.
![@gonzo5-0.4 1921-293_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 = 5.0
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 555 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 555 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 555 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 555 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=6.273169Jy  sigma=0.094413
! Fit after  self-cal, rms=6.272985Jy  sigma=0.094412
! 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=2.714 mas, bmaj=13.49 mas, bpa=-14.53 degrees
! Estimated noise=1410.92 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 = 4.41841 Jy
! Total flux subtracted in 50 components = 4.41841 Jy
! Clean residual min=-0.518962 max=1.806974 Jy/beam
! Clean residual mean=-0.004948 rms=0.238447 Jy/beam
! Combined flux in latest and established models = 4.41841 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 16 components and 4.41841 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=3.668676Jy  sigma=0.055897
! Fit after  self-cal, rms=3.668261Jy  sigma=0.055893
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 2.07547 Jy
! Total flux subtracted in 50 components = 2.07547 Jy
! Clean residual min=-0.339889 max=1.016545 Jy/beam
! Clean residual mean=-0.004106 rms=0.143999 Jy/beam
! Combined flux in latest and established models = 6.49388 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 27 components and 6.49388 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=2.264727Jy  sigma=0.034491
! Fit after  self-cal, rms=2.264224Jy  sigma=0.034488
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.18454 Jy
! Total flux subtracted in 50 components = 1.18454 Jy
! Clean residual min=-0.244935 max=0.633933 Jy/beam
! Clean residual mean=-0.003637 rms=0.094066 Jy/beam
! Combined flux in latest and established models = 7.67842 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 41 components and 7.67842 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.534948Jy  sigma=0.023137
! Fit after  self-cal, rms=1.534530Jy  sigma=0.023135
! Inverting map 
! Added new window around map position (5.2, 7.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.716156 Jy
! Total flux subtracted in 50 components = 0.716156 Jy
! Clean residual min=-0.180483 max=0.411117 Jy/beam
! Clean residual mean=-0.003352 rms=0.066824 Jy/beam
! Combined flux in latest and established models = 8.39458 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 68 components and 8.39458 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.152988Jy  sigma=0.017260
! Fit after  self-cal, rms=1.148062Jy  sigma=0.017206
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.458458 Jy
! Total flux subtracted in 50 components = 0.458458 Jy
! Clean residual min=-0.135052 max=0.272054 Jy/beam
! Clean residual mean=-0.003184 rms=0.050674 Jy/beam
! Combined flux in latest and established models = 8.85304 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 84 components and 8.85304 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.948581Jy  sigma=0.014120
! Fit after  self-cal, rms=0.945066Jy  sigma=0.014080
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.302909 Jy
! Total flux subtracted in 50 components = 0.302909 Jy
! Clean residual min=-0.136909 max=0.188400 Jy/beam
! Clean residual mean=-0.003079 rms=0.041435 Jy/beam
! Combined flux in latest and established models = 9.15595 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 104 components and 9.15595 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.843826Jy  sigma=0.012516
! Fit after  self-cal, rms=0.841847Jy  sigma=0.012495
! 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=3.54 mas, bmaj=15.9 mas, bpa=-12.83 degrees
! Estimated noise=844.316 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 = 0.303635 Jy
! Component: 100  -  total flux cleaned = 0.457775 Jy
! Total flux subtracted in 100 components = 0.457775 Jy
! Clean residual min=-0.158641 max=0.099918 Jy/beam
! Clean residual mean=-0.002930 rms=0.038083 Jy/beam
! Combined flux in latest and established models = 9.61372 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 57 model components to the UV plane model.
! The established model now contains 156 components and 9.61372 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.750140Jy  sigma=0.011141
! Fit after  self-cal, rms=0.748752Jy  sigma=0.011124
! 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:
!   FD        1.13     GC        1.00*    HH        1.00*    HN        1.05     
!   LA        1.09     MC        1.00*    MK        0.93     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.01     BR        0.93     KK        0.98     
!   KP        0.94     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        1.13     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.11     MC        1.00*    MK        0.87     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        0.95     KK        1.00*    
!   KP        0.93     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.98     GC        1.00*    HH        1.00*    HN        1.04     
!   LA        1.06     MC        1.00*    MK        1.01     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        0.98     BR        1.00     KK        0.97     
!   KP        0.97     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.99     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.06     MC        1.00*    MK        0.95     NY        1.00*    
!   ON        1.00*    OV        1.05     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.03     KK        1.00*    
!   KP        0.99     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.94     GC        1.00*    HH        1.00*    HN        1.23     
!   LA        0.95     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        1.05     PT        1.08     SC        1.00*    
!   TS        1.00*    WF        1.16     BR        1.06     KK        1.01     
!   KP        1.02     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.95     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.95     MC        1.00*    MK        0.90     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        1.09     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.09     KK        1.00*    
!   KP        1.02     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.85     GC        1.00*    HH        1.00*    HN        1.11     
!   LA        0.77     MC        1.00*    MK        0.97     NY        1.00*    
!   ON        1.00*    OV        0.92     PT        1.06     SC        1.00*    
!   TS        1.00*    WF        1.11     BR        1.00     KK        1.04     
!   KP        1.01     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.85     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.78     MC        1.00*    MK        0.88     NY        1.00*    
!   ON        1.00*    OV        0.92     PT        1.08     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.03     KK        1.00*    
!   KP        1.02     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.748752Jy  sigma=0.011124
! Fit after  self-cal, rms=0.218065Jy  sigma=0.002602
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.542 mas, bmaj=15.98 mas, bpa=-13.04 degrees
! Estimated noise=836.786 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 = 0.00151296 Jy
! Component: 100  -  total flux cleaned = 0.00271952 Jy
! Total flux subtracted in 100 components = 0.00271952 Jy
! Clean residual min=-0.054834 max=0.038089 Jy/beam
! Clean residual mean=-0.000841 rms=0.009489 Jy/beam
! Combined flux in latest and established models = 9.61644 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 169 components and 9.61644 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209017Jy  sigma=0.002495
! Fit after  self-cal, rms=0.208675Jy  sigma=0.002490
! 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 = 0.00385161 Jy
! Component: 100  -  total flux cleaned = 0.0056727 Jy
! Total flux subtracted in 100 components = 0.0056727 Jy
! Clean residual min=-0.051579 max=0.036512 Jy/beam
! Clean residual mean=-0.000835 rms=0.009140 Jy/beam
! Combined flux in latest and established models = 9.62211 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 176 components and 9.62211 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.203535Jy  sigma=0.002436
! Fit after  self-cal, rms=0.185359Jy  sigma=0.002230
! Inverting map and beam 
! Estimated beam: bmin=3.537 mas, bmaj=15.96 mas, bpa=-13.08 degrees
! Estimated noise=836.855 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 = 0.0056587 Jy
! Component: 100  -  total flux cleaned = 0.00640934 Jy
! Total flux subtracted in 100 components = 0.00640934 Jy
! Clean residual min=-0.049915 max=0.033986 Jy/beam
! Clean residual mean=0.000541 rms=0.008543 Jy/beam
! Combined flux in latest and established models = 9.62852 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 179 components and 9.62852 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.181057Jy  sigma=0.002186
! Fit after  self-cal, rms=0.180701Jy  sigma=0.002182
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1921-293_S
! Writing UV FITS file: 1921-293_S.uvf
! Writing 179 model components to file: 1921-293_S.mod
! wwins: Wrote 2 windows to 1921-293_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.537 x 15.96 at -13.08 degrees (North through East)
! Clean map  min=-0.049572  max=4.9135 Jy/beam
! Writing clean map to FITS file: 1921-293_S.fits
! Writing difmap environment to: 1921-293_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1921-293_S]
device 1921-293_Suv.ps/vps,1,2
! Attempting to open device: '1921-293_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1921-293_Sim.ps/vps
! Attempting to open device: '1921-293_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=3.537 mas, bmaj=15.96 mas, bpa=-13.08 degrees
! Estimated noise=836.855 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.537 x 15.96 at -13.08 degrees (North through East)
! Clean map  min=-0.049572  max=4.9135 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 1921-293_S.log closed on Mon Feb  5 20:58:46 2007