! Started logfile: 1639-200_X.log on Thu Aug 14 12:24:47 2008
observe 1639-200_X.edt
! Reading UV FITS file: 1639-200_X.edt
! AN table 1: 52 integrations on 105 of 105 possible baselines.
! AN table 2: 43 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.233183 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1639-200
! 
! 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 898 lines of history.
! 
! Reading 9304 visibilities.
![@gonzo7-0.1 1639-200_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 = 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 0.100x0.100 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 489 telescope corrections were flagged in sub-array 1.
!  A total of 307 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 425 telescope corrections were flagged in sub-array 1.
!  A total of 346 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 780 telescope corrections were flagged in sub-array 1.
!  A total of 346 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 609 telescope corrections were flagged in sub-array 1.
!  A total of 386 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.861958Jy  sigma=0.012553
! Fit after  self-cal, rms=0.861617Jy  sigma=0.012553
! 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=0.7624 mas, bmaj=2.052 mas, bpa=1.279 degrees
! Estimated noise=2059.06 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 = 0.102493 Jy
! Total flux subtracted in 50 components = 0.102493 Jy
! Clean residual min=-0.012297 max=0.028659 Jy/beam
! Clean residual mean=0.000028 rms=0.003904 Jy/beam
! Combined flux in latest and established models = 0.102493 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.102493 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094217Jy  sigma=0.001269
! Fit after  self-cal, rms=0.094196Jy  sigma=0.001268
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0262854 Jy
! Total flux subtracted in 50 components = 0.0262854 Jy
! Clean residual min=-0.010336 max=0.011052 Jy/beam
! Clean residual mean=0.000023 rms=0.002740 Jy/beam
! Combined flux in latest and established models = 0.128778 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 17 components and 0.128778 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086232Jy  sigma=0.001144
! Fit after  self-cal, rms=0.086196Jy  sigma=0.001144
! 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=1.064 mas, bmaj=2.924 mas, bpa=-3.34 degrees
! Estimated noise=649.057 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 = 0.0162163 Jy
! Component: 100  -  total flux cleaned = 0.0223729 Jy
! Total flux subtracted in 100 components = 0.0223729 Jy
! Clean residual min=-0.004445 max=0.005667 Jy/beam
! Clean residual mean=0.000012 rms=0.001519 Jy/beam
! Combined flux in latest and established models = 0.151151 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 41 components and 0.151151 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083511Jy  sigma=0.001105
! Fit after  self-cal, rms=0.083515Jy  sigma=0.001105
! 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        1.06     FD        0.98     HN        1.09     KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        1.00*    
!   NL        0.96     NY        1.00*    OV        1.05     PT        1.04     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.83     HN        0.83     KB        1.00*    
!   KK        1.00*    KP        0.87     LA        1.00*    MK        0.96     
!   NL        1.04     NY        1.00*    OV        0.88     PT        1.04     
!   SC        1.06     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.97     HN        1.01     KB        1.00*    
!   KK        1.00*    KP        1.06     LA        1.00*    MK        1.00*    
!   NL        0.96     NY        1.00*    OV        1.01     PT        1.14     
!   SC        0.89     WZ        1.00*    ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.89     HN        1.94     KB        1.00*    
!   KK        1.00*    KP        0.79     LA        1.00*    MK        1.04     
!   NL        1.00     NY        1.00*    OV        0.88     PT        1.05     
!   SC        2.26     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    WZ        0.00*    ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.02     HN        1.69     KB        1.00*    
!   KK        1.00*    KP        0.88     LA        1.00*    MK        0.99     
!   NL        1.07     NY        1.00*    OV        0.93     PT        1.05     
!   SC        1.82     WZ        1.00*    ZC        1.00*    
! 
! 
! 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        1.06     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.12     PT        1.02     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.05     FD        0.99     HN        3.55     KB        1.00*    
!   KK        1.00*    KP        0.96     LA        1.00*    MK        3.10     
!   NL        0.96     NY        1.00*    OV        0.97     PT        1.08     
!   SC        1.24     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.083515Jy  sigma=0.001105
! Fit after  self-cal, rms=0.083384Jy  sigma=0.001080
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.068 mas, bmaj=2.94 mas, bpa=-3.292 degrees
! Estimated noise=637.619 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 = 0.000205103 Jy
! Component: 100  -  total flux cleaned = 0.000177346 Jy
! Total flux subtracted in 100 components = 0.000177346 Jy
! Clean residual min=-0.002518 max=0.002378 Jy/beam
! Clean residual mean=0.000011 rms=0.000616 Jy/beam
! Combined flux in latest and established models = 0.151328 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 46 components and 0.151328 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083371Jy  sigma=0.001080
! Fit after  self-cal, rms=0.083423Jy  sigma=0.001080
! 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 = 6.69975e-05 Jy
! Component: 100  -  total flux cleaned = 6.67625e-05 Jy
! Total flux subtracted in 100 components = 6.67625e-05 Jy
! Clean residual min=-0.002497 max=0.002285 Jy/beam
! Clean residual mean=0.000011 rms=0.000609 Jy/beam
! Combined flux in latest and established models = 0.151395 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 46 components and 0.151395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083414Jy  sigma=0.001080
! Fit after  self-cal, rms=0.084112Jy  sigma=0.001063
! Inverting map and beam 
! Estimated beam: bmin=1.065 mas, bmaj=2.936 mas, bpa=-3.332 degrees
! Estimated noise=640.082 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 = 0.000973843 Jy
! Component: 100  -  total flux cleaned = 0.00105396 Jy
! Total flux subtracted in 100 components = 0.00105396 Jy
! Clean residual min=-0.002492 max=0.002279 Jy/beam
! Clean residual mean=0.000011 rms=0.000606 Jy/beam
! Combined flux in latest and established models = 0.152449 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 47 components and 0.152449 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084101Jy  sigma=0.001063
! Fit after  self-cal, rms=0.084113Jy  sigma=0.001063
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1639-200_X
! Writing UV FITS file: 1639-200_X.uvf
! Writing 47 model components to file: 1639-200_X.mod
! wwins: Wrote 1 windows to 1639-200_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.065 x 2.936 at -3.332 degrees (North through East)
! Clean map  min=-0.0024578  max=0.1368 Jy/beam
! Writing clean map to FITS file: 1639-200_X.fits
! Writing difmap environment to: 1639-200_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1639-200_X]
device 1639-200_Xuv.ps/vps,1,2
! Attempting to open device: '1639-200_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1639-200_Xim.ps/vps
! Attempting to open device: '1639-200_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=1.065 mas, bmaj=2.936 mas, bpa=-3.332 degrees
! Estimated noise=640.082 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.065 x 2.936 at -3.332 degrees (North through East)
! Clean map  min=-0.0024578  max=0.1368 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1639-200_X.log closed on Thu Aug 14 12:25:05 2008