! Started logfile: 1925-206_S.log on Thu Aug 14 09:19:55 2008
observe 1925-206_S.edt
! Reading UV FITS file: 1925-206_S.edt
! AN table 1: 45 integrations on 105 of 105 possible baselines.
! AN table 2: 63 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.225573 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1925-206
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 947 lines of history.
! 
! Reading 10232 visibilities.
![@gonzo7-0.4 1925-206_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 319 telescope corrections were flagged in sub-array 1.
!  A total of 520 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 319 telescope corrections were flagged in sub-array 1.
!  A total of 520 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 319 telescope corrections were flagged in sub-array 1.
!  A total of 560 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 319 telescope corrections were flagged in sub-array 1.
!  A total of 523 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.829087Jy  sigma=0.010158
! Fit after  self-cal, rms=0.829054Jy  sigma=0.010159
! 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=2.502 mas, bmaj=6.658 mas, bpa=-5.094 degrees
! Estimated noise=1454.2 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 = 0.131527 Jy
! Total flux subtracted in 50 components = 0.131527 Jy
! Clean residual min=-0.013196 max=0.036692 Jy/beam
! Clean residual mean=-0.000039 rms=0.003722 Jy/beam
! Combined flux in latest and established models = 0.131527 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 0.131527 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106182Jy  sigma=0.001239
! Fit after  self-cal, rms=0.106182Jy  sigma=0.001239
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0295081 Jy
! Total flux subtracted in 50 components = 0.0295081 Jy
! Clean residual min=-0.009134 max=0.010056 Jy/beam
! Clean residual mean=-0.000022 rms=0.002411 Jy/beam
! Combined flux in latest and established models = 0.161035 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 12 components and 0.161035 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097474Jy  sigma=0.001129
! Fit after  self-cal, rms=0.097474Jy  sigma=0.001129
! 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=3.266 mas, bmaj=8.826 mas, bpa=-9.535 degrees
! Estimated noise=587.008 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 = 0.0144074 Jy
! Component: 100  -  total flux cleaned = 0.0202072 Jy
! Total flux subtracted in 100 components = 0.0202072 Jy
! Clean residual min=-0.005901 max=0.006613 Jy/beam
! Clean residual mean=-0.000023 rms=0.001506 Jy/beam
! Combined flux in latest and established models = 0.181243 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 38 components and 0.181243 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095612Jy  sigma=0.001107
! Fit after  self-cal, rms=0.095614Jy  sigma=0.001107
! 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        1.02     FD        0.95     HN        0.98     KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        0.97     
!   NL        1.01     NY        1.00*    OV        1.05     PT        0.99     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.05     FD        0.84     HN        2.39     KB        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00*    MK        1.11     
!   NL        1.14     NY        1.00*    OV        0.97     PT        1.04     
!   SC        1.05     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.92     HN        1.02     KB        1.00*    
!   KK        1.00*    KP        1.01     LA        1.00*    MK        0.98     
!   NL        1.03     NY        1.00*    OV        1.03     PT        1.05     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.84     HN        2.13     KB        1.00*    
!   KK        1.00*    KP        1.01     LA        1.00*    MK        1.13     
!   NL        1.26     NY        1.00*    OV        1.00     PT        1.10     
!   SC        1.04     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.95     HN        0.98     KB        1.00*    
!   KK        1.00*    KP        0.92     LA        1.00*    MK        1.00     
!   NL        1.01     NY        1.00*    OV        1.00     PT        0.97     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.80     HN        1.63     KB        1.00*    
!   KK        1.00*    KP        0.88     LA        1.00*    MK        0.95     
!   NL        1.11     NY        1.00*    OV        1.00     PT        1.02     
!   SC        1.72     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.89     HN        0.99     KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        1.07     
!   NL        1.01     NY        1.00*    OV        0.97     PT        0.96     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.75     HN        2.01     KB        1.00*    
!   KK        1.00*    KP        0.89     LA        1.00*    MK        0.92     
!   NL        1.10     NY        1.00*    OV        0.93     PT        0.99     
!   SC        1.04     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.095614Jy  sigma=0.001107
! Fit after  self-cal, rms=0.094871Jy  sigma=0.001079
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.284 mas, bmaj=8.945 mas, bpa=-9.775 degrees
! Estimated noise=585.268 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 = -0.00030064 Jy
! Component: 100  -  total flux cleaned = -0.000300556 Jy
! Total flux subtracted in 100 components = -0.000300556 Jy
! Clean residual min=-0.002257 max=0.002535 Jy/beam
! Clean residual mean=-0.000002 rms=0.000597 Jy/beam
! Combined flux in latest and established models = 0.180942 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 42 components and 0.180942 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094869Jy  sigma=0.001079
! Fit after  self-cal, rms=0.094892Jy  sigma=0.001079
! 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 = -2.06006e-05 Jy
! Component: 100  -  total flux cleaned = -2.02541e-05 Jy
! Total flux subtracted in 100 components = -2.02541e-05 Jy
! Clean residual min=-0.002245 max=0.002525 Jy/beam
! Clean residual mean=-0.000002 rms=0.000595 Jy/beam
! Combined flux in latest and established models = 0.180922 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 43 components and 0.180922 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094891Jy  sigma=0.001079
! Fit after  self-cal, rms=0.094694Jy  sigma=0.001065
! Inverting map and beam 
! Estimated beam: bmin=3.287 mas, bmaj=8.955 mas, bpa=-9.765 degrees
! Estimated noise=587.427 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 = 0.000380672 Jy
! Component: 100  -  total flux cleaned = 0.000416303 Jy
! Total flux subtracted in 100 components = 0.000416303 Jy
! Clean residual min=-0.002253 max=0.002490 Jy/beam
! Clean residual mean=-0.000001 rms=0.000595 Jy/beam
! Combined flux in latest and established models = 0.181338 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 52 components and 0.181338 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094692Jy  sigma=0.001065
! Fit after  self-cal, rms=0.094704Jy  sigma=0.001065
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1925-206_S
! Writing UV FITS file: 1925-206_S.uvf
! Writing 52 model components to file: 1925-206_S.mod
! wwins: Wrote 1 windows to 1925-206_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.287 x 8.955 at -9.765 degrees (North through East)
! Clean map  min=-0.0021876  max=0.1742 Jy/beam
! Writing clean map to FITS file: 1925-206_S.fits
! Writing difmap environment to: 1925-206_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1925-206_S]
device 1925-206_Suv.ps/vps,1,2
! Attempting to open device: '1925-206_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1925-206_Sim.ps/vps
! Attempting to open device: '1925-206_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=3.287 mas, bmaj=8.955 mas, bpa=-9.765 degrees
! Estimated noise=587.427 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.287 x 8.955 at -9.765 degrees (North through East)
! Clean map  min=-0.0021876  max=0.1742 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1925-206_S.log closed on Thu Aug 14 09:20:11 2008