! Started logfile: 1718-259_S.log on Thu Aug 14 09:17:22 2008
observe 1718-259_S.edt
! Reading UV FITS file: 1718-259_S.edt
! AN table 1: 84 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.139456 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1718-259
! 
! 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 4920 visibilities.
![@gonzo7-0.4 1718-259_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 860 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 778 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 860 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 840 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.868955Jy  sigma=0.010974
! Fit after  self-cal, rms=0.868825Jy  sigma=0.010973
! 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=8.295 mas, bmaj=21 mas, bpa=7.852 degrees
! Estimated noise=1902.63 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 = 0.102128 Jy
! Total flux subtracted in 50 components = 0.102128 Jy
! Clean residual min=-0.011044 max=0.028493 Jy/beam
! Clean residual mean=-0.000059 rms=0.004512 Jy/beam
! Combined flux in latest and established models = 0.102128 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 0.102128 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088419Jy  sigma=0.001097
! Fit after  self-cal, rms=0.088417Jy  sigma=0.001097
! 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=10.67 mas, bmaj=26.47 mas, bpa=13.04 degrees
! Estimated noise=952.315 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 = 0.0263894 Jy
! Component: 100  -  total flux cleaned = 0.0351577 Jy
! Total flux subtracted in 100 components = 0.0351577 Jy
! Clean residual min=-0.004247 max=0.004716 Jy/beam
! Clean residual mean=-0.000009 rms=0.001730 Jy/beam
! Combined flux in latest and established models = 0.137286 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 41 model components to the UV plane model.
! The established model now contains 41 components and 0.137286 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081644Jy  sigma=0.001006
! Fit after  self-cal, rms=0.081646Jy  sigma=0.001006
! 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        1.08     FD        0.95     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.94     LA        1.00*    MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        0.99     PT        0.98     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.96     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        1.00*    
!   NL        1.01     NY        1.00*    OV        1.03     PT        1.07     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.94     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.92     LA        1.00*    MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.00     PT        0.94     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.98     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        0.98     PT        0.97     
!   SC        1.00*    WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.081646Jy  sigma=0.001006
! Fit after  self-cal, rms=0.080191Jy  sigma=0.000999
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=10.76 mas, bmaj=26.89 mas, bpa=13.15 degrees
! Estimated noise=928.993 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 = 0.00266657 Jy
! Component: 100  -  total flux cleaned = 0.00380562 Jy
! Total flux subtracted in 100 components = 0.00380562 Jy
! Clean residual min=-0.002892 max=0.003478 Jy/beam
! Clean residual mean=0.000011 rms=0.001010 Jy/beam
! Combined flux in latest and established models = 0.141091 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 49 components and 0.141091 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080109Jy  sigma=0.000998
! Fit after  self-cal, rms=0.080125Jy  sigma=0.000998
! 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 = 0.000128002 Jy
! Component: 100  -  total flux cleaned = 9.66221e-05 Jy
! Total flux subtracted in 100 components = 9.66221e-05 Jy
! Clean residual min=-0.002794 max=0.003274 Jy/beam
! Clean residual mean=0.000010 rms=0.000985 Jy/beam
! Combined flux in latest and established models = 0.141188 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 62 components and 0.141188 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080109Jy  sigma=0.000997
! Fit after  self-cal, rms=0.081160Jy  sigma=0.000973
! Inverting map and beam 
! Estimated beam: bmin=10.72 mas, bmaj=26.88 mas, bpa=13.04 degrees
! Estimated noise=940.647 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 = 0.00196174 Jy
! Component: 100  -  total flux cleaned = 0.00310986 Jy
! Total flux subtracted in 100 components = 0.00310986 Jy
! Clean residual min=-0.003021 max=0.002716 Jy/beam
! Clean residual mean=0.000008 rms=0.000887 Jy/beam
! Combined flux in latest and established models = 0.144298 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 81 components and 0.144298 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081117Jy  sigma=0.000972
! Fit after  self-cal, rms=0.081136Jy  sigma=0.000972
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1718-259_S
! Writing UV FITS file: 1718-259_S.uvf
! Writing 81 model components to file: 1718-259_S.mod
! wwins: Wrote 1 windows to 1718-259_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 10.72 x 26.88 at 13.04 degrees (North through East)
! Clean map  min=-0.0030145  max=0.13369 Jy/beam
! Writing clean map to FITS file: 1718-259_S.fits
! Writing difmap environment to: 1718-259_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1718-259_S]
device 1718-259_Suv.ps/vps,1,2
! Attempting to open device: '1718-259_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1718-259_Sim.ps/vps
! Attempting to open device: '1718-259_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=10.72 mas, bmaj=26.88 mas, bpa=13.04 degrees
! Estimated noise=940.647 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 10.72 x 26.88 at 13.04 degrees (North through East)
! Clean map  min=-0.0030145  max=0.13369 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1718-259_S.log closed on Thu Aug 14 09:17:44 2008