! Started logfile: 1639-200_S.log on Thu Aug 14 09:17:02 2008
observe 1639-200_S.edt
! Reading UV FITS file: 1639-200_S.edt
! AN table 1: 95 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.300451 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  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 11988 visibilities.
![@gonzo7-0.4 1639-200_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 642 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 642 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 642 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 645 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.735205Jy  sigma=0.007350
! Fit after  self-cal, rms=0.735189Jy  sigma=0.007350
! 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=2.366 mas, bmaj=5.987 mas, bpa=-4.935 degrees
! Estimated noise=1329.98 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 = 0.204268 Jy
! Total flux subtracted in 50 components = 0.204268 Jy
! Clean residual min=-0.016710 max=0.056987 Jy/beam
! Clean residual mean=0.000077 rms=0.004870 Jy/beam
! Combined flux in latest and established models = 0.204268 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 0.204268 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.162435Jy  sigma=0.001428
! Fit after  self-cal, rms=0.162435Jy  sigma=0.001428
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0480188 Jy
! Total flux subtracted in 50 components = 0.0480188 Jy
! Clean residual min=-0.015761 max=0.019524 Jy/beam
! Clean residual mean=0.000066 rms=0.003362 Jy/beam
! Combined flux in latest and established models = 0.252287 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 19 components and 0.252287 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.146519Jy  sigma=0.001270
! Fit after  self-cal, rms=0.146522Jy  sigma=0.001269
! 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=2.985 mas, bmaj=7.166 mas, bpa=-4.416 degrees
! Estimated noise=670.985 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 = 0.0298878 Jy
! Component: 100  -  total flux cleaned = 0.0444475 Jy
! Total flux subtracted in 100 components = 0.0444475 Jy
! Clean residual min=-0.011246 max=0.011102 Jy/beam
! Clean residual mean=0.000109 rms=0.002821 Jy/beam
! Combined flux in latest and established models = 0.296734 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 35 model components to the UV plane model.
! The established model now contains 51 components and 0.296734 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.140422Jy  sigma=0.001218
! Fit after  self-cal, rms=0.140417Jy  sigma=0.001218
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.13     FD        0.83     HN        1.03     KB        1.00*    
!   KK        1.00*    KP        1.02     LA        1.00*    MK        1.19     
!   NL        1.03     NY        1.00*    OV        0.87     PT        1.06     
!   SC        1.04     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.17     FD        0.87     HN        1.01     KB        1.00*    
!   KK        1.00*    KP        0.93     LA        1.00*    MK        0.98     
!   NL        1.08     NY        1.00*    OV        1.03     PT        1.20     
!   SC        0.98     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.78     HN        0.77     KB        1.00*    
!   KK        1.00*    KP        0.84     LA        1.00*    MK        1.05     
!   NL        1.04     NY        1.00*    OV        0.98     PT        1.13     
!   SC        1.31     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.75     HN        0.94     KB        1.00*    
!   KK        1.00*    KP        0.85     LA        1.00*    MK        1.00     
!   NL        1.08     NY        1.00*    OV        0.97     PT        1.05     
!   SC        0.93     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.140417Jy  sigma=0.001218
! Fit after  self-cal, rms=0.127955Jy  sigma=0.001126
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.039 mas, bmaj=7.367 mas, bpa=-4.633 degrees
! Estimated noise=663.284 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 = -0.00165252 Jy
! Component: 100  -  total flux cleaned = -0.00165293 Jy
! Total flux subtracted in 100 components = -0.00165293 Jy
! Clean residual min=-0.003554 max=0.003880 Jy/beam
! Clean residual mean=0.000008 rms=0.000965 Jy/beam
! Combined flux in latest and established models = 0.295081 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 56 components and 0.295081 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127897Jy  sigma=0.001126
! Fit after  self-cal, rms=0.127923Jy  sigma=0.001125
! 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 = 7.70568e-05 Jy
! Component: 100  -  total flux cleaned = 0.000194205 Jy
! Total flux subtracted in 100 components = 0.000194205 Jy
! Clean residual min=-0.003569 max=0.003853 Jy/beam
! Clean residual mean=0.000009 rms=0.000958 Jy/beam
! Combined flux in latest and established models = 0.295275 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 57 components and 0.295275 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127895Jy  sigma=0.001125
! Fit after  self-cal, rms=0.129557Jy  sigma=0.001101
! Inverting map and beam 
! Estimated beam: bmin=3.043 mas, bmaj=7.367 mas, bpa=-4.529 degrees
! Estimated noise=665.075 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 = -7.39507e-06 Jy
! Component: 100  -  total flux cleaned = 4.0159e-05 Jy
! Total flux subtracted in 100 components = 4.0159e-05 Jy
! Clean residual min=-0.002927 max=0.002626 Jy/beam
! Clean residual mean=0.000008 rms=0.000722 Jy/beam
! Combined flux in latest and established models = 0.295316 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 61 components and 0.295316 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129542Jy  sigma=0.001101
! Fit after  self-cal, rms=0.129560Jy  sigma=0.001101
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1639-200_S
! Writing UV FITS file: 1639-200_S.uvf
! Writing 61 model components to file: 1639-200_S.mod
! wwins: Wrote 1 windows to 1639-200_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.043 x 7.367 at -4.529 degrees (North through East)
! Clean map  min=-0.0027767  max=0.26905 Jy/beam
! Writing clean map to FITS file: 1639-200_S.fits
! Writing difmap environment to: 1639-200_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1639-200_S]
device 1639-200_Suv.ps/vps,1,2
! Attempting to open device: '1639-200_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1639-200_Sim.ps/vps
! Attempting to open device: '1639-200_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=3.043 mas, bmaj=7.367 mas, bpa=-4.529 degrees
! Estimated noise=665.075 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.043 x 7.367 at -4.529 degrees (North through East)
! Clean map  min=-0.0027767  max=0.26905 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1639-200_S.log closed on Thu Aug 14 09:17:22 2008