! Started logfile: J0028+2000_S_2011_08_02_pus_uvs.log on Thu Apr 19 13:11:29 2012
obs J0028+2000_S_2011_08_02_pus_uva.fits
! Reading UV FITS file: J0028+2000_S_2011_08_02_pus_uva.fits
! AN table 1: 252 integrations on 78 of 78 possible baselines.
! AN table 2: 477 integrations on 78 of 78 possible baselines.
! Apparent sampling: 0.123087 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0028+2000
! 
! 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 2651 lines of history.
! 
! Reading 27996 visibilities.
select I
! Polarization I is unavailable.
! 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
print "field_size =",field_size
! field_size = 512 
print "field_cell =",field_cell
! field_cell = 0.5 
print "taper_size =",taper_size
! taper_size = 20 
![@muppet J0028+2000_S_2011_08_02_pus]
integer clean_niter
clean_niter = 100
float clean_gain
clean_gain = 0.03
float dynam
dynam = 6.0
float soltime1
soltime1 = 120
float soltime2
soltime2 = 20
float thresh
thresh = 0.5
float win_mult
win_mult = 1.8
float time_av
time_av = 16
float old_peak
float new_peak
float flux_cutoff
mapsize field_size, field_cell
! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize.
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 2200 telescope corrections were flagged in sub-array 1.
!  A total of 5116 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 2200 telescope corrections were flagged in sub-array 1.
!  A total of 5029 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 2200 telescope corrections were flagged in sub-array 1.
!  A total of 4978 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 2200 telescope corrections were flagged in sub-array 1.
!  A total of 5029 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.832056Jy  sigma=0.008980
! Fit after  self-cal, rms=0.799819Jy  sigma=0.008882
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvw 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.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.04 mas, bmaj=4.36 mas, bpa=31.63 degrees
! Estimated noise=1031.26 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.172254 Jy
! Component: 100  -  total flux cleaned = 0.209824 Jy
! Total flux subtracted in 100 components = 0.209824 Jy
! Clean residual min=-0.009315 max=0.013715 Jy/beam
! Clean residual mean=0.000048 rms=0.002536 Jy/beam
! Combined flux in latest and established models = 0.209824 Jy
! Performing phase self-cal
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.209824 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.177425Jy  sigma=0.001377
! Fit after  self-cal, rms=0.177408Jy  sigma=0.001377
! Inverting map 
print "************** FINISHED UNIFORM WEIGHTING CLEAN **************"
! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** 
! 
uvw 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
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.649 mas, bmaj=5.274 mas, bpa=27.59 degrees
! Estimated noise=423.928 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (-11, 32).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0117464 Jy
! Component: 100  -  total flux cleaned = 0.014256 Jy
! Component: 150  -  total flux cleaned = 0.0153346 Jy
! Component: 200  -  total flux cleaned = 0.0159496 Jy
! Total flux subtracted in 200 components = 0.0159496 Jy
! Clean residual min=-0.006138 max=0.011661 Jy/beam
! Clean residual mean=0.000166 rms=0.001927 Jy/beam
! Combined flux in latest and established models = 0.225773 Jy
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 21 components and 0.225773 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.176421Jy  sigma=0.001365
! Fit after  self-cal, rms=0.176256Jy  sigma=0.001364
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 252 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        1.04     FT        1.00*    HH        1.00*    
!   HN        1.11     KP        1.00     LA        1.05     MK        0.79     
!   NL        0.94     OV        0.94     PT        1.07     TS        1.00*    
!   WZ        1.00*    
! 
!  A total of 132 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.07     FT        1.00*    HH        1.02     
!   HN        0.99     KP        1.00*    LA        1.06     MK        1.00*    
!   NL        0.95     OV        1.00*    PT        1.05     TS        1.00*    
!   WZ        0.96     
! 
! 
! Correcting IF 2.
!  A total of 252 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.17     FT        1.00*    HH        1.00*    
!   HN        1.19     KP        1.07     LA        0.95     MK        0.93     
!   NL        1.05     OV        1.02     PT        1.04     TS        1.00*    
!   WZ        1.00*    
! 
!  A total of 219 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.08     FD        1.22     FT        1.00*    HH        1.05     
!   HN        1.08     KP        1.00*    LA        0.95     MK        1.00*    
!   NL        1.03     OV        1.00*    PT        1.05     TS        1.00*    
!   WZ        0.98     
! 
! 
! Correcting IF 3.
!  A total of 252 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.17     FT        1.00*    HH        1.00*    
!   HN        1.06     KP        1.00     LA        0.92     MK        0.93     
!   NL        1.02     OV        1.01     PT        1.01     TS        1.00*    
!   WZ        1.00*    
! 
!  A total of 270 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.08     FD        1.16     FT        1.00*    HH        0.95     
!   HN        1.01     KP        1.00*    LA        0.99     MK        1.00*    
!   NL        1.04     OV        1.00*    PT        1.03     TS        1.00*    
!   WZ        0.88     
! 
! 
! Correcting IF 4.
!  A total of 252 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.15     FT        1.00*    HH        1.00*    
!   HN        1.05     KP        0.95     LA        0.78     MK        0.98     
!   NL        0.93     OV        0.84     PT        0.94     TS        1.00*    
!   WZ        1.00*    
! 
!  A total of 219 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.22     FT        1.00*    HH        0.98     
!   HN        0.95     KP        1.00*    LA        0.78     MK        1.00*    
!   NL        0.93     OV        1.00*    PT        0.97     TS        1.00*    
!   WZ        0.98     
! 
! 
! Fit before self-cal, rms=0.176256Jy  sigma=0.001364
! Fit after  self-cal, rms=0.168640Jy  sigma=0.001335
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.641 mas, bmaj=5.691 mas, bpa=25.92 degrees
! Estimated noise=437.774 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00358547 Jy
! Component: 100  -  total flux cleaned = -0.00374748 Jy
! Component: 150  -  total flux cleaned = -0.00392004 Jy
! Component: 200  -  total flux cleaned = -0.00404968 Jy
! Total flux subtracted in 200 components = -0.00404968 Jy
! Clean residual min=-0.003203 max=0.003836 Jy/beam
! Clean residual mean=0.000119 rms=0.000856 Jy/beam
! Combined flux in latest and established models = 0.221723 Jy
! Performing phase self-cal
! Adding 15 model components to the UV plane model.
! The established model now contains 34 components and 0.221723 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.168548Jy  sigma=0.001334
! Fit after  self-cal, rms=0.168467Jy  sigma=0.001333
! Inverting map 
selfcal true, true, soltime1
! Performing amp+phase self-cal over 120 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.168467Jy  sigma=0.001333
! Fit after  self-cal, rms=0.167391Jy  sigma=0.001332
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.63 mas, bmaj=5.676 mas, bpa=25.98 degrees
! Estimated noise=437.65 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00128465 Jy
! Component: 100  -  total flux cleaned = -0.00138338 Jy
! Component: 150  -  total flux cleaned = -0.00145011 Jy
! Component: 200  -  total flux cleaned = -0.00150337 Jy
! Total flux subtracted in 200 components = -0.00150337 Jy
! Clean residual min=-0.002733 max=0.003756 Jy/beam
! Clean residual mean=0.000104 rms=0.000807 Jy/beam
! Combined flux in latest and established models = 0.22022 Jy
selfcal
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 40 components and 0.22022 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167355Jy  sigma=0.001332
! Fit after  self-cal, rms=0.167332Jy  sigma=0.001332
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (-13.5, -26).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00377571 Jy
! Component: 100  -  total flux cleaned = 0.00567033 Jy
! Component: 150  -  total flux cleaned = 0.00646038 Jy
! Component: 200  -  total flux cleaned = 0.00670612 Jy
! Total flux subtracted in 200 components = 0.00670612 Jy
! Clean residual min=-0.002348 max=0.002229 Jy/beam
! Clean residual mean=0.000052 rms=0.000635 Jy/beam
! Combined flux in latest and established models = 0.226926 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 61 components and 0.226926 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167249Jy  sigma=0.001330
! Fit after  self-cal, rms=0.167223Jy  sigma=0.001330
! Inverting map 
selfcal true, true, soltime2
! Performing amp+phase self-cal over 20 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167223Jy  sigma=0.001330
! Fit after  self-cal, rms=0.166446Jy  sigma=0.001329
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.625 mas, bmaj=5.667 mas, bpa=26.02 degrees
! Estimated noise=437.337 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000237139 Jy
! Component: 100  -  total flux cleaned = 0.00085652 Jy
! Component: 150  -  total flux cleaned = 0.00102823 Jy
! Component: 200  -  total flux cleaned = 0.00111812 Jy
! Total flux subtracted in 200 components = 0.00111812 Jy
! Clean residual min=-0.002175 max=0.001916 Jy/beam
! Clean residual mean=0.000024 rms=0.000560 Jy/beam
! Combined flux in latest and established models = 0.228044 Jy
selfcal
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 69 components and 0.228044 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166419Jy  sigma=0.001329
! Fit after  self-cal, rms=0.166400Jy  sigma=0.001329
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000153363 Jy
! Component: 100  -  total flux cleaned = 0.000209006 Jy
! Component: 150  -  total flux cleaned = 0.000284732 Jy
! Component: 200  -  total flux cleaned = 0.000332214 Jy
! Total flux subtracted in 200 components = 0.000332214 Jy
! Clean residual min=-0.002147 max=0.001937 Jy/beam
! Clean residual mean=0.000022 rms=0.000548 Jy/beam
! Combined flux in latest and established models = 0.228377 Jy
! Performing phase self-cal
! Adding 21 model components to the UV plane model.
! The established model now contains 75 components and 0.228377 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166389Jy  sigma=0.001329
! Fit after  self-cal, rms=0.166387Jy  sigma=0.001329
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
win_mult = win_mult * 1.2
selfcal true, true, soltime2
! Performing amp+phase self-cal over 20 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166387Jy  sigma=0.001329
! Fit after  self-cal, rms=0.166113Jy  sigma=0.001329
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=8.714 mas, bmaj=11.77 mas, bpa=-16.84 degrees
! Estimated noise=473.073 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 5.04551e-05 Jy
! Component: 100  -  total flux cleaned = 5.25178e-05 Jy
! Component: 150  -  total flux cleaned = 3.31914e-05 Jy
! Component: 200  -  total flux cleaned = 4.86963e-05 Jy
! Total flux subtracted in 200 components = 4.86963e-05 Jy
! Clean residual min=-0.001992 max=0.001735 Jy/beam
! Clean residual mean=0.000022 rms=0.000578 Jy/beam
! Combined flux in latest and established models = 0.228425 Jy
selfcal
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 91 components and 0.228425 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166109Jy  sigma=0.001328
! Fit after  self-cal, rms=0.166099Jy  sigma=0.001328
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 7.22918e-05 Jy
! Component: 100  -  total flux cleaned = 0.000120311 Jy
! Component: 150  -  total flux cleaned = 0.000148082 Jy
! Component: 200  -  total flux cleaned = 0.000135488 Jy
! Total flux subtracted in 200 components = 0.000135488 Jy
! Clean residual min=-0.001991 max=0.001654 Jy/beam
! Clean residual mean=0.000020 rms=0.000568 Jy/beam
! Combined flux in latest and established models = 0.228561 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 99 components and 0.228561 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166097Jy  sigma=0.001328
! Fit after  self-cal, rms=0.166098Jy  sigma=0.001328
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
win_mult = win_mult / 1.2
print "************** FINISHED AMPLITUDE SELF-CAL **************"
! ************** FINISHED AMPLITUDE SELF-CAL ************** 
restore
! Inverting map and beam 
! Estimated beam: bmin=2.621 mas, bmaj=5.661 mas, bpa=26.04 degrees
! Estimated noise=437.624 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.621 x 5.661 at 26.04 degrees (North through East)
! Clean map  min=-0.0020267  max=0.21209 Jy/beam
if(peak(flux) > thresh)
  selfcal true, true
  clean clean_niter,clean_gain
  selfcal
  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
    new_peak = peak(flux)
    until(new_peak<=flux_cutoff)
  selfcal true, true
  end if
print "************** CLEARING MODEL AND STARTING OVER **********"
! ************** CLEARING MODEL AND STARTING OVER ********** 
clrmod true
! clrmod: Cleared the established and tentative models.
uvw 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.
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.031 mas, bmaj=4.74 mas, bpa=29.4 degrees
! Estimated noise=966.616 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.166638 Jy
! Component: 100  -  total flux cleaned = 0.2032 Jy
! Component: 150  -  total flux cleaned = 0.212403 Jy
! Component: 200  -  total flux cleaned = 0.217368 Jy
! Total flux subtracted in 200 components = 0.217368 Jy
! Clean residual min=-0.004507 max=0.004716 Jy/beam
! Clean residual mean=0.000017 rms=0.001173 Jy/beam
! Combined flux in latest and established models = 0.217368 Jy
uvw 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.
flux_cutoff = imstat(rms) * dynam
! Adding 16 model components to the UV plane model.
! The established model now contains 16 components and 0.217368 Jy
! Inverting map and beam 
! Estimated beam: bmin=2.621 mas, bmaj=5.661 mas, bpa=26.04 degrees
! Estimated noise=437.624 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  keep
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (-8.5, -28).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00444593 Jy
! Component: 100  -  total flux cleaned = 0.00664851 Jy
! Component: 150  -  total flux cleaned = 0.00802753 Jy
! Component: 200  -  total flux cleaned = 0.00902072 Jy
! Total flux subtracted in 200 components = 0.00902072 Jy
! Clean residual min=-0.002245 max=0.002222 Jy/beam
! Clean residual mean=0.000034 rms=0.000610 Jy/beam
! Combined flux in latest and established models = 0.226389 Jy
! Adding 26 model components to the UV plane model.
! The established model now contains 42 components and 0.226389 Jy
! Inverting map 
uvw 0,2
! Uniform weighting is not currently selected.
! Amplitude error weighting is not currently selected.
! Radial weighting is not currently selected.
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.004 mas, bmaj=4.728 mas, bpa=29.56 degrees
! Estimated noise=580.707 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000956258 Jy
! Component: 100  -  total flux cleaned = 0.00185025 Jy
! Component: 150  -  total flux cleaned = 0.00255675 Jy
! Component: 200  -  total flux cleaned = 0.0028082 Jy
! Total flux subtracted in 200 components = 0.0028082 Jy
! Clean residual min=-0.003022 max=0.002919 Jy/beam
! Clean residual mean=0.000003 rms=0.000711 Jy/beam
! Combined flux in latest and established models = 0.229197 Jy
clean
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -3.05881e-08 Jy
! Component: 100  -  total flux cleaned = 5.68539e-05 Jy
! Component: 150  -  total flux cleaned = 5.79298e-05 Jy
! Component: 200  -  total flux cleaned = 6.03149e-05 Jy
! Total flux subtracted in 200 components = 6.03149e-05 Jy
! Clean residual min=-0.002915 max=0.002803 Jy/beam
! Clean residual mean=0.000001 rms=0.000686 Jy/beam
! Combined flux in latest and established models = 0.229257 Jy
selfcal
! Performing phase self-cal
! Adding 33 model components to the UV plane model.
! The established model now contains 63 components and 0.229257 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166093Jy  sigma=0.001328
! Fit after  self-cal, rms=0.166108Jy  sigma=0.001328
wmodel J0028+2000_S_2011_08_02_pus_map.mod
! Writing 63 model components to file: J0028+2000_S_2011_08_02_pus_map.mod
wobs J0028+2000_S_2011_08_02_pus_uvs.fits
! Writing UV FITS file: J0028+2000_S_2011_08_02_pus_uvs.fits
wwins J0028+2000_S_2011_08_02_pus_map.win
! wwins: Wrote 4 windows to J0028+2000_S_2011_08_02_pus_map.win
x = (field_size-8) * field_cell / 4
addwin -x,x,-x,x
clean (field_size*4),0.01
! Inverting map 
! clean: niter=2048  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = -0.000126443 Jy
! Component: 100  -  total flux cleaned = -3.34618e-05 Jy
! Component: 150  -  total flux cleaned = 5.46109e-05 Jy
! Component: 200  -  total flux cleaned = 0.000261852 Jy
! Component: 250  -  total flux cleaned = 0.000382005 Jy
! Component: 300  -  total flux cleaned = 0.000344885 Jy
! Component: 350  -  total flux cleaned = 0.000197863 Jy
! Component: 400  -  total flux cleaned = -1.6902e-05 Jy
! Component: 450  -  total flux cleaned = -8.68961e-05 Jy
! Component: 500  -  total flux cleaned = -0.000292954 Jy
! Component: 550  -  total flux cleaned = -0.000460892 Jy
! Component: 600  -  total flux cleaned = -0.000559995 Jy
! Component: 650  -  total flux cleaned = -0.000721146 Jy
! Component: 700  -  total flux cleaned = -0.000910584 Jy
! Component: 750  -  total flux cleaned = -0.00106498 Jy
! Component: 800  -  total flux cleaned = -0.00118634 Jy
! Component: 850  -  total flux cleaned = -0.00136559 Jy
! Component: 900  -  total flux cleaned = -0.00148265 Jy
! Component: 950  -  total flux cleaned = -0.00156988 Jy
! Component: 1000  -  total flux cleaned = -0.00168401 Jy
! Component: 1050  -  total flux cleaned = -0.00185212 Jy
! Component: 1100  -  total flux cleaned = -0.00193483 Jy
! Component: 1150  -  total flux cleaned = -0.00207047 Jy
! Component: 1200  -  total flux cleaned = -0.00207016 Jy
! Component: 1250  -  total flux cleaned = -0.00217633 Jy
! Component: 1300  -  total flux cleaned = -0.00228081 Jy
! Component: 1350  -  total flux cleaned = -0.00238398 Jy
! Component: 1400  -  total flux cleaned = -0.0024603 Jy
! Component: 1450  -  total flux cleaned = -0.00263632 Jy
! Component: 1500  -  total flux cleaned = -0.00266082 Jy
! Component: 1550  -  total flux cleaned = -0.0027101 Jy
! Component: 1600  -  total flux cleaned = -0.00278304 Jy
! Component: 1650  -  total flux cleaned = -0.00278307 Jy
! Component: 1700  -  total flux cleaned = -0.00287827 Jy
! Component: 1750  -  total flux cleaned = -0.00299577 Jy
! Component: 1800  -  total flux cleaned = -0.00299584 Jy
! Component: 1850  -  total flux cleaned = -0.00315737 Jy
! Component: 1900  -  total flux cleaned = -0.00320298 Jy
! Component: 1950  -  total flux cleaned = -0.00329362 Jy
! Component: 2000  -  total flux cleaned = -0.00336067 Jy
! Total flux subtracted in 2048 components = -0.0034049 Jy
! Clean residual min=-0.001276 max=0.001794 Jy/beam
! Clean residual mean=-0.000008 rms=0.000409 Jy/beam
! Combined flux in latest and established models = 0.225852 Jy
keep
! Adding 137 model components to the UV plane model.
! The established model now contains 200 components and 0.225852 Jy
![Exited script file: muppet]
wmap "J0028+2000_S_2011_08_02_pus\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.004 x 4.728 at 29.56 degrees (North through East)
! Clean map  min=-0.0020135  max=0.2109 Jy/beam
! Writing clean map to FITS file: J0028+2000_S_2011_08_02_pus_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.210904 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000407014 
device "J0028+2000_S_2011_08_02_pus\_map.eps/VPS"
! Attempting to open device: 'J0028+2000_S_2011_08_02_pus_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.578955 0.578955 1.15791 2.31582 4.63164 9.26329 18.5266 37.0531 74.1063
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0012 
print "peak=",int(1000*peak_flux)/1000
! peak= 0.21 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.004 x 4.728 at 29.56 degrees (North through East)
! Clean map  min=-0.0020135  max=0.2109 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0028+2000_S_2011_08_02_pus\_map.gif/vgif"
! Attempting to open device: 'J0028+2000_S_2011_08_02_pus_map.gif/vgif'
mapplot cln