! Started logfile: J1957-3845_S_1998_10_01_pus_uvs.log on Fri Feb  8 12:31:53 2008
obs J1957-3845_S_1998_10_01_pus_uva.fits
! Reading UV FITS file: J1957-3845_S_1998_10_01_pus_uva.fits
! AN table 1: 79 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.0538905 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1957-3845
! 
! 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  2.22298e+09        4e+06          1        4e+06
!  02        2  2.24298e+09        4e+06          1        4e+06
!  03        3  2.33298e+09        4e+06          1        4e+06
!  04        4  2.36298e+09        4e+06          1        4e+06
! 
! Polarization(s): RR
! 
! Read 1541 lines of history.
! 
! Reading 2316 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 J1957-3845_S_1998_10_01_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 1060 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1060 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1066 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1060 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.438019Jy  sigma=0.010138
! Fit after  self-cal, rms=1.419412Jy  sigma=0.010040
! 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=2.372 mas, bmaj=18.88 mas, bpa=-3.83 degrees
! Estimated noise=4616.74 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 = 1.83164 Jy
! Component: 100  -  total flux cleaned = 2.23108 Jy
! Total flux subtracted in 100 components = 2.23108 Jy
! Clean residual min=-0.057455 max=0.111468 Jy/beam
! Clean residual mean=0.000636 rms=0.022630 Jy/beam
! Combined flux in latest and established models = 2.23108 Jy
! Performing phase self-cal
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 2.23108 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.386725Jy  sigma=0.002670
! Fit after  self-cal, rms=0.386726Jy  sigma=0.002670
! 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=2.741 mas, bmaj=21.07 mas, bpa=-5.285 degrees
! Estimated noise=2194.6 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 = 0.12361 Jy
! Component: 100  -  total flux cleaned = 0.178731 Jy
! Component: 150  -  total flux cleaned = 0.209309 Jy
! Component: 200  -  total flux cleaned = 0.22694 Jy
! Total flux subtracted in 200 components = 0.22694 Jy
! Clean residual min=-0.025677 max=0.028717 Jy/beam
! Clean residual mean=0.000729 rms=0.009106 Jy/beam
! Combined flux in latest and established models = 2.45802 Jy
! Performing phase self-cal
! Adding 59 model components to the UV plane model.
! The established model now contains 59 components and 2.45802 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.347923Jy  sigma=0.002402
! Fit after  self-cal, rms=0.347890Jy  sigma=0.002402
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HN        1.00*    
!   KK        1.01     KP        1.01     LA        0.95     MK        0.96     
!   NL        1.00*    NY        1.00*    ON        1.00*    OV        1.04     
!   PT        1.04     SC        1.00*    WF        1.00*    MC        1.00*    
!   GN        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00     GC        1.00*    HN        1.00*    
!   KK        0.98     KP        0.98     LA        1.00     MK        1.03     
!   NL        1.00*    NY        1.00*    ON        1.00*    OV        1.00     
!   PT        1.03     SC        1.00*    WF        1.00*    MC        1.00*    
!   GN        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.04     GC        1.00*    HN        1.00*    
!   KK        0.99     KP        1.00     LA        0.97     MK        0.95     
!   NL        1.00*    NY        1.00*    ON        1.00*    OV        0.98     
!   PT        1.01     SC        1.00*    WF        1.00*    MC        1.00*    
!   GN        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HN        1.00*    
!   KK        0.98     KP        1.01     LA        0.96     MK        0.95     
!   NL        1.00*    NY        1.00*    ON        1.00*    OV        1.01     
!   PT        1.11     SC        1.00*    WF        1.00*    MC        1.00*    
!   GN        1.00*    
! 
! 
! Fit before self-cal, rms=0.347890Jy  sigma=0.002402
! Fit after  self-cal, rms=0.334563Jy  sigma=0.002306
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.729 mas, bmaj=21.15 mas, bpa=-5.383 degrees
! Estimated noise=2194.04 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 = 0.0202399 Jy
! Component: 100  -  total flux cleaned = 0.0276131 Jy
! Component: 150  -  total flux cleaned = 0.028443 Jy
! Component: 200  -  total flux cleaned = 0.0287582 Jy
! Total flux subtracted in 200 components = 0.0287582 Jy
! Clean residual min=-0.013789 max=0.015015 Jy/beam
! Clean residual mean=0.000884 rms=0.004581 Jy/beam
! Combined flux in latest and established models = 2.48678 Jy
! Performing phase self-cal
! Adding 37 model components to the UV plane model.
! The established model now contains 91 components and 2.48678 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333387Jy  sigma=0.002298
! Fit after  self-cal, rms=0.333541Jy  sigma=0.002298
! 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=0.333541Jy  sigma=0.002298
! Fit after  self-cal, rms=0.333484Jy  sigma=0.002289
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.726 mas, bmaj=21.13 mas, bpa=-5.379 degrees
! Estimated noise=2196.27 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00778502 Jy
! Component: 100  -  total flux cleaned = 0.00920281 Jy
! Component: 150  -  total flux cleaned = 0.0093409 Jy
! Component: 200  -  total flux cleaned = 0.00897281 Jy
! Total flux subtracted in 200 components = 0.00897281 Jy
! Clean residual min=-0.011189 max=0.015473 Jy/beam
! Clean residual mean=0.001301 rms=0.003863 Jy/beam
! Combined flux in latest and established models = 2.49575 Jy
selfcal
! Performing phase self-cal
! Adding 17 model components to the UV plane model.
! The established model now contains 99 components and 2.49575 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333238Jy  sigma=0.002288
! Fit after  self-cal, rms=0.333282Jy  sigma=0.002288
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 = -0.00027123 Jy
! Component: 100  -  total flux cleaned = -0.000806216 Jy
! Component: 150  -  total flux cleaned = -0.00110523 Jy
! Component: 200  -  total flux cleaned = -0.00129439 Jy
! Total flux subtracted in 200 components = -0.00129439 Jy
! Clean residual min=-0.010536 max=0.015429 Jy/beam
! Clean residual mean=0.001298 rms=0.003776 Jy/beam
! Combined flux in latest and established models = 2.49446 Jy
! Performing phase self-cal
! Adding 15 model components to the UV plane model.
! The established model now contains 107 components and 2.49446 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333218Jy  sigma=0.002288
! Fit after  self-cal, rms=0.333207Jy  sigma=0.002288
! 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=0.333207Jy  sigma=0.002288
! Fit after  self-cal, rms=0.333637Jy  sigma=0.002284
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.725 mas, bmaj=21.11 mas, bpa=-5.369 degrees
! Estimated noise=2197.52 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00153793 Jy
! Component: 100  -  total flux cleaned = 0.000973031 Jy
! Component: 150  -  total flux cleaned = 0.00057154 Jy
! Component: 200  -  total flux cleaned = 0.000193569 Jy
! Total flux subtracted in 200 components = 0.000193569 Jy
! Clean residual min=-0.008887 max=0.014524 Jy/beam
! Clean residual mean=0.001436 rms=0.003563 Jy/beam
! Combined flux in latest and established models = 2.49465 Jy
selfcal
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 111 components and 2.49465 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333514Jy  sigma=0.002284
! Fit after  self-cal, rms=0.333550Jy  sigma=0.002284
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 = -0.000453285 Jy
! Component: 100  -  total flux cleaned = -0.00078744 Jy
! Component: 150  -  total flux cleaned = -0.00110452 Jy
! Component: 200  -  total flux cleaned = -0.00140224 Jy
! Total flux subtracted in 200 components = -0.00140224 Jy
! Clean residual min=-0.008502 max=0.014508 Jy/beam
! Clean residual mean=0.001433 rms=0.003440 Jy/beam
! Combined flux in latest and established models = 2.49325 Jy
! Performing phase self-cal
! Adding 11 model components to the UV plane model.
! The established model now contains 114 components and 2.49325 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333475Jy  sigma=0.002283
! Fit after  self-cal, rms=0.333467Jy  sigma=0.002283
! 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=0.333467Jy  sigma=0.002283
! Fit after  self-cal, rms=0.333661Jy  sigma=0.002283
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=9.935 mas, bmaj=37.65 mas, bpa=2.999 degrees
! Estimated noise=3204.35 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000759421 Jy
! Component: 100  -  total flux cleaned = 0.000406798 Jy
! Component: 150  -  total flux cleaned = 8.42458e-05 Jy
! Component: 200  -  total flux cleaned = -0.000209917 Jy
! Total flux subtracted in 200 components = -0.000209917 Jy
! Clean residual min=-0.010336 max=0.013843 Jy/beam
! Clean residual mean=0.003249 rms=0.004291 Jy/beam
! Combined flux in latest and established models = 2.49304 Jy
selfcal
! Performing phase self-cal
! Adding 6 model components to the UV plane model.
! The established model now contains 119 components and 2.49304 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333665Jy  sigma=0.002283
! Fit after  self-cal, rms=0.333644Jy  sigma=0.002283
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 = -0.000213257 Jy
! Component: 100  -  total flux cleaned = -0.000462313 Jy
! Component: 150  -  total flux cleaned = -0.000694477 Jy
! Component: 200  -  total flux cleaned = -0.000903734 Jy
! Total flux subtracted in 200 components = -0.000903734 Jy
! Clean residual min=-0.010415 max=0.013745 Jy/beam
! Clean residual mean=0.003245 rms=0.004189 Jy/beam
! Combined flux in latest and established models = 2.49214 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 123 components and 2.49214 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333678Jy  sigma=0.002283
! Fit after  self-cal, rms=0.333661Jy  sigma=0.002283
! 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=2.725 mas, bmaj=21.11 mas, bpa=-5.365 degrees
! Estimated noise=2198.16 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.725 x 21.11 at -5.365 degrees (North through East)
! Clean map  min=-0.008123  max=2.3689 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
! Performing amp+phase self-cal
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.333661Jy  sigma=0.002283
! Fit after  self-cal, rms=0.270801Jy  sigma=0.001814
! Inverting map and beam 
! Estimated beam: bmin=2.725 mas, bmaj=21.13 mas, bpa=-5.388 degrees
! Estimated noise=2195.51 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00255486 Jy
! Component: 100  -  total flux cleaned = -0.00291827 Jy
! Component: 150  -  total flux cleaned = -0.00313385 Jy
! Component: 200  -  total flux cleaned = -0.00320871 Jy
! Total flux subtracted in 200 components = -0.00320872 Jy
! Clean residual min=-0.007274 max=0.011038 Jy/beam
! Clean residual mean=0.000768 rms=0.002785 Jy/beam
! Combined flux in latest and established models = 2.48893 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 139 components and 2.48893 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.270769Jy  sigma=0.001813
! Fit after  self-cal, rms=0.270770Jy  sigma=0.001813
! Inverting map 
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000261537 Jy
! Component: 100  -  total flux cleaned = -0.00037168 Jy
! Component: 150  -  total flux cleaned = -0.000404452 Jy
! Component: 200  -  total flux cleaned = -0.000403106 Jy
! Total flux subtracted in 200 components = -0.000403106 Jy
! Clean residual min=-0.007165 max=0.010991 Jy/beam
! Clean residual mean=0.000768 rms=0.002764 Jy/beam
! Combined flux in latest and established models = 2.48852 Jy
! Performing phase self-cal
! Adding 22 model components to the UV plane model.
! The established model now contains 148 components and 2.48852 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.270757Jy  sigma=0.001813
! Fit after  self-cal, rms=0.270759Jy  sigma=0.001813
! Inverting map 
! Performing amp+phase self-cal
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.270759Jy  sigma=0.001813
! Fit after  self-cal, rms=0.270701Jy  sigma=0.001813
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=2.37 mas, bmaj=18.89 mas, bpa=-3.854 degrees
! Estimated noise=4585.81 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.82086 Jy
! Component: 100  -  total flux cleaned = 2.2182 Jy
! Component: 150  -  total flux cleaned = 2.32359 Jy
! Component: 200  -  total flux cleaned = 2.37993 Jy
! Total flux subtracted in 200 components = 2.37993 Jy
! Clean residual min=-0.032760 max=0.033407 Jy/beam
! Clean residual mean=0.000363 rms=0.010756 Jy/beam
! Combined flux in latest and established models = 2.37993 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 36 model components to the UV plane model.
! The established model now contains 36 components and 2.37993 Jy
! Inverting map and beam 
! Estimated beam: bmin=2.725 mas, bmaj=21.13 mas, bpa=-5.383 degrees
! Estimated noise=2195.38 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)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0538488 Jy
! Component: 100  -  total flux cleaned = 0.0814314 Jy
! Component: 150  -  total flux cleaned = 0.0960297 Jy
! Component: 200  -  total flux cleaned = 0.103976 Jy
! Total flux subtracted in 200 components = 0.103976 Jy
! Clean residual min=-0.009456 max=0.010638 Jy/beam
! Clean residual mean=0.000711 rms=0.003200 Jy/beam
! Combined flux in latest and established models = 2.4839 Jy
! Adding 20 model components to the UV plane model.
! The established model now contains 55 components and 2.4839 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=9.941 mas, bmaj=37.61 mas, bpa=3.024 degrees
! Estimated noise=3198.08 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00448015 Jy
! Component: 100  -  total flux cleaned = 0.0044064 Jy
! Component: 150  -  total flux cleaned = 0.00409224 Jy
! Component: 200  -  total flux cleaned = 0.00381058 Jy
! Total flux subtracted in 200 components = 0.00381058 Jy
! Clean residual min=-0.008335 max=0.010700 Jy/beam
! Clean residual mean=0.001613 rms=0.003823 Jy/beam
! Combined flux in latest and established models = 2.48771 Jy
flux_cutoff = imstat(rms) * dynam
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)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000249587 Jy
! Component: 100  -  total flux cleaned = -0.000467997 Jy
! Component: 150  -  total flux cleaned = -0.000615483 Jy
! Component: 200  -  total flux cleaned = -0.000794291 Jy
! Total flux subtracted in 200 components = -0.000794291 Jy
! Clean residual min=-0.007594 max=0.010423 Jy/beam
! Clean residual mean=0.001612 rms=0.003660 Jy/beam
! Combined flux in latest and established models = 2.48692 Jy
! Adding 18 model components to the UV plane model.
! The established model now contains 65 components and 2.48692 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=2.725 mas, bmaj=21.13 mas, bpa=-5.383 degrees
! Estimated noise=2195.38 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00106692 Jy
! Component: 100  -  total flux cleaned = 0.000616296 Jy
! Component: 150  -  total flux cleaned = 4.64554e-05 Jy
! Component: 200  -  total flux cleaned = -0.000281885 Jy
! Total flux subtracted in 200 components = -0.000281885 Jy
! Clean residual min=-0.007395 max=0.010726 Jy/beam
! Clean residual mean=0.000715 rms=0.002851 Jy/beam
! Combined flux in latest and established models = 2.48664 Jy
selfcal
! Performing phase self-cal
! Adding 22 model components to the UV plane model.
! The established model now contains 84 components and 2.48664 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.270780Jy  sigma=0.001814
! Fit after  self-cal, rms=0.270785Jy  sigma=0.001814
wmodel J1957-3845_S_1998_10_01_pus_map.mod
! Writing 84 model components to file: J1957-3845_S_1998_10_01_pus_map.mod
wobs J1957-3845_S_1998_10_01_pus_uvs.fits
! Writing UV FITS file: J1957-3845_S_1998_10_01_pus_uvs.fits
wwins J1957-3845_S_1998_10_01_pus_map.win
! wwins: Wrote 1 windows to J1957-3845_S_1998_10_01_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 = 0.00449801 Jy
! Component: 100  -  total flux cleaned = 0.00818751 Jy
! Component: 150  -  total flux cleaned = 0.0106868 Jy
! Component: 200  -  total flux cleaned = 0.0124859 Jy
! Component: 250  -  total flux cleaned = 0.0131504 Jy
! Component: 300  -  total flux cleaned = 0.01377 Jy
! Component: 350  -  total flux cleaned = 0.0143646 Jy
! Component: 400  -  total flux cleaned = 0.0147425 Jy
! Component: 450  -  total flux cleaned = 0.0153796 Jy
! Component: 500  -  total flux cleaned = 0.0161707 Jy
! Component: 550  -  total flux cleaned = 0.0169348 Jy
! Component: 600  -  total flux cleaned = 0.0175914 Jy
! Component: 650  -  total flux cleaned = 0.0180692 Jy
! Component: 700  -  total flux cleaned = 0.0186119 Jy
! Component: 750  -  total flux cleaned = 0.0188385 Jy
! Component: 800  -  total flux cleaned = 0.0189125 Jy
! Component: 850  -  total flux cleaned = 0.0189847 Jy
! Component: 900  -  total flux cleaned = 0.0188421 Jy
! Component: 950  -  total flux cleaned = 0.0187723 Jy
! Component: 1000  -  total flux cleaned = 0.0187038 Jy
! Component: 1050  -  total flux cleaned = 0.0187043 Jy
! Component: 1100  -  total flux cleaned = 0.0186372 Jy
! Component: 1150  -  total flux cleaned = 0.0185708 Jy
! Component: 1200  -  total flux cleaned = 0.0185055 Jy
! Component: 1250  -  total flux cleaned = 0.0183776 Jy
! Component: 1300  -  total flux cleaned = 0.0183771 Jy
! Component: 1350  -  total flux cleaned = 0.0183156 Jy
! Component: 1400  -  total flux cleaned = 0.0181945 Jy
! Component: 1450  -  total flux cleaned = 0.0183149 Jy
! Component: 1500  -  total flux cleaned = 0.0181962 Jy
! Component: 1550  -  total flux cleaned = 0.0181375 Jy
! Component: 1600  -  total flux cleaned = 0.0179638 Jy
! Component: 1650  -  total flux cleaned = 0.0178491 Jy
! Component: 1700  -  total flux cleaned = 0.0176223 Jy
! Component: 1750  -  total flux cleaned = 0.0174535 Jy
! Component: 1800  -  total flux cleaned = 0.017231 Jy
! Component: 1850  -  total flux cleaned = 0.0171205 Jy
! Component: 1900  -  total flux cleaned = 0.0168455 Jy
! Component: 1950  -  total flux cleaned = 0.0165168 Jy
! Component: 2000  -  total flux cleaned = 0.0163532 Jy
! Total flux subtracted in 2048 components = 0.0160276 Jy
! Clean residual min=-0.004816 max=0.004212 Jy/beam
! Clean residual mean=0.000205 rms=0.001042 Jy/beam
! Combined flux in latest and established models = 2.50266 Jy
keep
! Adding 139 model components to the UV plane model.
! The established model now contains 223 components and 2.50266 Jy
![Exited script file: muppet]
wmap "J1957-3845_S_1998_10_01_pus\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.725 x 21.13 at -5.383 degrees (North through East)
! Clean map  min=-0.0068089  max=2.3645 Jy/beam
! Writing clean map to FITS file: J1957-3845_S_1998_10_01_pus_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 2.36447 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00108992 
device "J1957-3845_S_1998_10_01_pus\_map.eps/VPS"
! Attempting to open device: 'J1957-3845_S_1998_10_01_pus_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.138287 0.138287 0.276574 0.553149 1.1063 2.2126 4.42519 8.85038 17.7008 35.4015 70.803
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0032 
print "peak=",int(1000*peak_flux)/1000
! peak= 2.364 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.725 x 21.13 at -5.383 degrees (North through East)
! Clean map  min=-0.0068089  max=2.3645 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1957-3845_S_1998_10_01_pus\_map.gif/vgif"
! Attempting to open device: 'J1957-3845_S_1998_10_01_pus_map.gif/vgif'
mapplot cln
quit
! Quitting program
! Log file J1957-3845_S_1998_10_01_pus_uvs.log closed on Fri Feb  8 12:31:58 2008