! Started logfile: J1521+4336_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:17:40 2011
obs J1521+4336_X_2010_10_13_pus_uva.fits
! Reading UV FITS file: J1521+4336_X_2010_10_13_pus_uva.fits
! AN table 1: 131 integrations on 105 of 105 possible baselines.
! AN table 2: 245 integrations on 105 of 105 possible baselines.
! AN table 3: 28 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.155233 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1521+4336
! 
! 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  8.40996e+09        8e+06          1        8e+06
!  02        2  8.47996e+09        8e+06          1        8e+06
!  03        3  8.79496e+09        8e+06          1        8e+06
!  04        4  8.89996e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 5978 lines of history.
! 
! Reading 26340 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 = 256 
print "field_cell =",field_cell
! field_cell = 0.2 
print "taper_size =",taper_size
! taper_size = 70 
![@muppet J1521+4336_X_2010_10_13_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 = 256x256 pixels with 0.200x0.200 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 1469 telescope corrections were flagged in sub-array 1.
!  A total of 2740 telescope corrections were flagged in sub-array 2.
!  A total of 149 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1469 telescope corrections were flagged in sub-array 1.
!  A total of 2740 telescope corrections were flagged in sub-array 2.
!  A total of 149 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1469 telescope corrections were flagged in sub-array 1.
!  A total of 2740 telescope corrections were flagged in sub-array 2.
!  A total of 149 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1469 telescope corrections were flagged in sub-array 1.
!  A total of 2740 telescope corrections were flagged in sub-array 2.
!  A total of 149 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.693302Jy  sigma=0.007385
! Fit after  self-cal, rms=0.640991Jy  sigma=0.006845
! 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 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.541 mas, bmaj=0.7545 mas, bpa=17.37 degrees
! Estimated noise=799.459 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 = 0.295531 Jy
! Component: 100  -  total flux cleaned = 0.364837 Jy
! Total flux subtracted in 100 components = 0.364837 Jy
! Clean residual min=-0.007935 max=0.027597 Jy/beam
! Clean residual mean=0.000234 rms=0.002861 Jy/beam
! Combined flux in latest and established models = 0.364837 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 0.364837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.178913Jy  sigma=0.001536
! Fit after  self-cal, rms=0.178942Jy  sigma=0.001536
! Inverting map 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0308946 Jy
! Component: 100  -  total flux cleaned = 0.0492546 Jy
! Total flux subtracted in 100 components = 0.0492546 Jy
! Clean residual min=-0.007631 max=0.014231 Jy/beam
! Clean residual mean=0.000088 rms=0.002115 Jy/beam
! Combined flux in latest and established models = 0.414091 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 15 components and 0.414091 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.172982Jy  sigma=0.001434
! Fit after  self-cal, rms=0.172909Jy  sigma=0.001434
! Inverting map 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Added new window around map position (0, 1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0147168 Jy
! Component: 100  -  total flux cleaned = 0.0242473 Jy
! Total flux subtracted in 100 components = 0.0242473 Jy
! Clean residual min=-0.006893 max=0.008493 Jy/beam
! Clean residual mean=0.000016 rms=0.001893 Jy/beam
! Combined flux in latest and established models = 0.438339 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 21 components and 0.438339 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171618Jy  sigma=0.001410
! Fit after  self-cal, rms=0.171506Jy  sigma=0.001409
! Inverting map 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6577 mas, bmaj=0.9781 mas, bpa=17.26 degrees
! Estimated noise=444.709 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 = 0.00871079 Jy
! Component: 100  -  total flux cleaned = 0.0131682 Jy
! Component: 150  -  total flux cleaned = 0.0157537 Jy
! Component: 200  -  total flux cleaned = 0.017085 Jy
! Total flux subtracted in 200 components = 0.017085 Jy
! Clean residual min=-0.006877 max=0.003972 Jy/beam
! Clean residual mean=-0.001629 rms=0.001437 Jy/beam
! Combined flux in latest and established models = 0.455424 Jy
! Performing phase self-cal
! Adding 19 model components to the UV plane model.
! The established model now contains 37 components and 0.455424 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171152Jy  sigma=0.001403
! Fit after  self-cal, rms=0.171109Jy  sigma=0.001402
! Inverting map 
! Your choice of large map pixels excluded 12.1% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.80     HH        1.12     HN        0.78     
!   KB        1.04     KK        0.93     KP        0.97     LA        0.97     
!   MK        1.01     NL        0.95     NY        1.02     OV        0.99     
!   PT        0.95     SC        0.98     TS        1.07     
! 
!  A total of 45 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.85     HH        0.97     HN        1.01     
!   KB        1.16     KK        1.00*    KP        1.02     LA        1.06     
!   MK        1.00*    NL        0.98     NY        1.06     OV        1.00*    
!   PT        0.99     SC        1.00     TS        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.96     FD        0.83     HH        1.00*    HN        1.04     
!   KB        1.26     KK        0.93     KP        1.01     LA        0.98     
!   MK        1.02     NL        0.94     NY        1.00*    OV        0.99     
!   PT        0.94     SC        1.06     TS        0.88     
! 
! 
! Correcting IF 2.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.95     HH        1.09     HN        0.83     
!   KB        1.04     KK        0.99     KP        0.96     LA        0.94     
!   MK        0.96     NL        1.00     NY        1.01     OV        0.99     
!   PT        0.96     SC        1.03     TS        1.10     
! 
!  A total of 45 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.03     HH        0.94     HN        1.01     
!   KB        1.19     KK        1.00*    KP        1.02     LA        1.01     
!   MK        1.00*    NL        1.02     NY        1.03     OV        1.00*    
!   PT        1.02     SC        1.03     TS        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        0.97     HH        1.00*    HN        1.06     
!   KB        1.32     KK        1.00     KP        0.99     LA        0.97     
!   MK        0.97     NL        1.01     NY        1.00*    OV        1.01     
!   PT        0.97     SC        1.04     TS        0.89     
! 
! 
! Correcting IF 3.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.97     HH        1.02     HN        0.85     
!   KB        1.03     KK        0.91     KP        0.96     LA        0.92     
!   MK        1.01     NL        0.96     NY        1.03     OV        1.00     
!   PT        1.01     SC        1.00     TS        1.05     
! 
!  A total of 45 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.04     HH        0.99     HN        1.05     
!   KB        1.11     KK        1.00*    KP        1.03     LA        0.99     
!   MK        1.00*    NL        0.97     NY        1.09     OV        1.00*    
!   PT        1.07     SC        1.04     TS        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.96     HH        1.00*    HN        1.01     
!   KB        1.30     KK        0.93     KP        0.99     LA        0.94     
!   MK        1.01     NL        0.96     NY        1.00*    OV        0.99     
!   PT        1.01     SC        1.09     TS        0.92     
! 
! 
! Correcting IF 4.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        0.99     HH        1.02     HN        0.86     
!   KB        1.02     KK        1.02     KP        0.97     LA        1.01     
!   MK        0.97     NL        0.98     NY        1.02     OV        1.04     
!   PT        0.95     SC        0.98     TS        0.96     
! 
!  A total of 45 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.08     FD        1.02     HH        0.96     HN        1.02     
!   KB        1.11     KK        1.00*    KP        1.06     LA        1.09     
!   MK        1.00*    NL        0.99     NY        1.04     OV        1.00*    
!   PT        1.03     SC        1.03     TS        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.99     HH        1.00*    HN        1.08     
!   KB        1.30     KK        1.00     KP        0.98     LA        1.00     
!   MK        1.03     NL        0.98     NY        1.00*    OV        1.04     
!   PT        0.98     SC        1.08     TS        0.81     
! 
! 
! Fit before self-cal, rms=0.171109Jy  sigma=0.001402
! Fit after  self-cal, rms=0.166653Jy  sigma=0.001339
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6605 mas, bmaj=0.9866 mas, bpa=17.55 degrees
! Estimated noise=446.701 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 = -0.00259575 Jy
! Component: 100  -  total flux cleaned = -0.00333811 Jy
! Component: 150  -  total flux cleaned = -0.00341171 Jy
! Component: 200  -  total flux cleaned = -0.00352474 Jy
! Total flux subtracted in 200 components = -0.00352474 Jy
! Clean residual min=-0.003553 max=0.003061 Jy/beam
! Clean residual mean=-0.000324 rms=0.000881 Jy/beam
! Combined flux in latest and established models = 0.451899 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 41 components and 0.451899 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166519Jy  sigma=0.001338
! Fit after  self-cal, rms=0.166461Jy  sigma=0.001337
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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=0.166461Jy  sigma=0.001337
! Fit after  self-cal, rms=0.167564Jy  sigma=0.001328
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6621 mas, bmaj=0.9852 mas, bpa=17.39 degrees
! Estimated noise=445.295 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00154021 Jy
! Component: 100  -  total flux cleaned = -0.00186527 Jy
! Component: 150  -  total flux cleaned = -0.00208466 Jy
! Component: 200  -  total flux cleaned = -0.00219673 Jy
! Total flux subtracted in 200 components = -0.00219673 Jy
! Clean residual min=-0.002627 max=0.002634 Jy/beam
! Clean residual mean=-0.000151 rms=0.000678 Jy/beam
! Combined flux in latest and established models = 0.449702 Jy
selfcal
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 41 components and 0.449702 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167518Jy  sigma=0.001328
! Fit after  self-cal, rms=0.167727Jy  sigma=0.001327
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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 = -1.61375e-05 Jy
! Component: 100  -  total flux cleaned = -8.25773e-05 Jy
! Component: 150  -  total flux cleaned = -0.00014128 Jy
! Component: 200  -  total flux cleaned = -0.000193806 Jy
! Total flux subtracted in 200 components = -0.000193806 Jy
! Clean residual min=-0.002576 max=0.002612 Jy/beam
! Clean residual mean=-0.000147 rms=0.000675 Jy/beam
! Combined flux in latest and established models = 0.449508 Jy
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 42 components and 0.449508 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167711Jy  sigma=0.001327
! Fit after  self-cal, rms=0.167715Jy  sigma=0.001327
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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=0.167715Jy  sigma=0.001327
! Fit after  self-cal, rms=0.170673Jy  sigma=0.001322
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6626 mas, bmaj=0.9876 mas, bpa=17.41 degrees
! Estimated noise=445.163 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00162978 Jy
! Component: 100  -  total flux cleaned = -0.00181999 Jy
! Component: 150  -  total flux cleaned = -0.00189484 Jy
! Component: 200  -  total flux cleaned = -0.00195881 Jy
! Total flux subtracted in 200 components = -0.00195881 Jy
! Clean residual min=-0.002160 max=0.001697 Jy/beam
! Clean residual mean=-0.000124 rms=0.000543 Jy/beam
! Combined flux in latest and established models = 0.44755 Jy
selfcal
! Performing phase self-cal
! Adding 7 model components to the UV plane model.
! The established model now contains 42 components and 0.44755 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.170649Jy  sigma=0.001321
! Fit after  self-cal, rms=0.170760Jy  sigma=0.001321
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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 = -2.0095e-05 Jy
! Component: 100  -  total flux cleaned = -7.61074e-05 Jy
! Component: 150  -  total flux cleaned = -9.89203e-05 Jy
! Component: 200  -  total flux cleaned = -9.74246e-05 Jy
! Total flux subtracted in 200 components = -9.74246e-05 Jy
! Clean residual min=-0.002149 max=0.001689 Jy/beam
! Clean residual mean=-0.000121 rms=0.000539 Jy/beam
! Combined flux in latest and established models = 0.447452 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 42 components and 0.447452 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.170748Jy  sigma=0.001321
! Fit after  self-cal, rms=0.170750Jy  sigma=0.001321
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 70 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=0.170750Jy  sigma=0.001321
! Fit after  self-cal, rms=0.171011Jy  sigma=0.001321
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=2.382 mas, bmaj=2.79 mas, bpa=-44.96 degrees
! Estimated noise=630.461 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00164188 Jy
! Component: 100  -  total flux cleaned = -0.00207787 Jy
! Component: 150  -  total flux cleaned = -0.0020915 Jy
! Component: 200  -  total flux cleaned = -0.00210123 Jy
! Total flux subtracted in 200 components = -0.00210123 Jy
! Clean residual min=-0.002020 max=0.001820 Jy/beam
! Clean residual mean=-0.000261 rms=0.000669 Jy/beam
! Combined flux in latest and established models = 0.445351 Jy
selfcal
! Performing phase self-cal
! Adding 9 model components to the UV plane model.
! The established model now contains 44 components and 0.445351 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171012Jy  sigma=0.001321
! Fit after  self-cal, rms=0.171024Jy  sigma=0.001321
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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 = -5.62347e-06 Jy
! Component: 100  -  total flux cleaned = -1.63208e-05 Jy
! Component: 150  -  total flux cleaned = -1.50858e-05 Jy
! Component: 200  -  total flux cleaned = -2.51773e-05 Jy
! Total flux subtracted in 200 components = -2.51773e-05 Jy
! Clean residual min=-0.001996 max=0.001832 Jy/beam
! Clean residual mean=-0.000259 rms=0.000670 Jy/beam
! Combined flux in latest and established models = 0.445326 Jy
! Performing phase self-cal
! Adding 7 model components to the UV plane model.
! The established model now contains 45 components and 0.445326 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171025Jy  sigma=0.001321
! Fit after  self-cal, rms=0.171027Jy  sigma=0.001321
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
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 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6633 mas, bmaj=0.9891 mas, bpa=17.45 degrees
! Estimated noise=445.049 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6633 x 0.9891 at 17.45 degrees (North through East)
! Clean map  min=-0.0018384  max=0.38723 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 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.5433 mas, bmaj=0.7608 mas, bpa=17.39 degrees
! Estimated noise=806.323 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.295327 Jy
! Component: 100  -  total flux cleaned = 0.36371 Jy
! Component: 150  -  total flux cleaned = 0.393661 Jy
! Component: 200  -  total flux cleaned = 0.411375 Jy
! Total flux subtracted in 200 components = 0.411375 Jy
! Clean residual min=-0.005299 max=0.009239 Jy/beam
! Clean residual mean=0.000095 rms=0.001400 Jy/beam
! Combined flux in latest and established models = 0.411375 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 13 model components to the UV plane model.
! The established model now contains 13 components and 0.411375 Jy
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6633 mas, bmaj=0.9891 mas, bpa=17.45 degrees
! Estimated noise=445.049 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 = 0.0156399 Jy
! Component: 100  -  total flux cleaned = 0.0238464 Jy
! Component: 150  -  total flux cleaned = 0.0285035 Jy
! Component: 200  -  total flux cleaned = 0.0312265 Jy
! Total flux subtracted in 200 components = 0.0312265 Jy
! Clean residual min=-0.002165 max=0.002037 Jy/beam
! Clean residual mean=-0.000013 rms=0.000560 Jy/beam
! Combined flux in latest and established models = 0.442602 Jy
! Adding 19 model components to the UV plane model.
! The established model now contains 23 components and 0.442602 Jy
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths.
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=2.382 mas, bmaj=2.79 mas, bpa=-44.96 degrees
! Estimated noise=630.461 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00190261 Jy
! Component: 100  -  total flux cleaned = 0.00255687 Jy
! Component: 150  -  total flux cleaned = 0.00262605 Jy
! Component: 200  -  total flux cleaned = 0.00263791 Jy
! Total flux subtracted in 200 components = 0.00263791 Jy
! Clean residual min=-0.001960 max=0.001861 Jy/beam
! Clean residual mean=-0.000252 rms=0.000674 Jy/beam
! Combined flux in latest and established models = 0.44524 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 = 2.14728e-05 Jy
! Component: 100  -  total flux cleaned = 3.1652e-05 Jy
! Component: 150  -  total flux cleaned = 2.17234e-05 Jy
! Component: 200  -  total flux cleaned = 2.118e-05 Jy
! Total flux subtracted in 200 components = 2.118e-05 Jy
! Clean residual min=-0.001976 max=0.001846 Jy/beam
! Clean residual mean=-0.000254 rms=0.000671 Jy/beam
! Combined flux in latest and established models = 0.445261 Jy
! Adding 12 model components to the UV plane model.
! The established model now contains 31 components and 0.445261 Jy
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! Estimated beam: bmin=0.6633 mas, bmaj=0.9891 mas, bpa=17.45 degrees
! Estimated noise=445.049 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 7.52335e-05 Jy
! Component: 100  -  total flux cleaned = 0.000168571 Jy
! Component: 150  -  total flux cleaned = 0.000166695 Jy
! Component: 200  -  total flux cleaned = 0.000165941 Jy
! Total flux subtracted in 200 components = 0.000165941 Jy
! Clean residual min=-0.002195 max=0.001722 Jy/beam
! Clean residual mean=-0.000091 rms=0.000534 Jy/beam
! Combined flux in latest and established models = 0.445427 Jy
selfcal
! Performing phase self-cal
! Adding 9 model components to the UV plane model.
! The established model now contains 35 components and 0.445427 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171009Jy  sigma=0.001321
! Fit after  self-cal, rms=0.170987Jy  sigma=0.001320
wmodel J1521+4336_X_2010_10_13_pus_map.mod
! Writing 35 model components to file: J1521+4336_X_2010_10_13_pus_map.mod
wobs J1521+4336_X_2010_10_13_pus_uvs.fits
! Writing UV FITS file: J1521+4336_X_2010_10_13_pus_uvs.fits
wwins J1521+4336_X_2010_10_13_pus_map.win
! wwins: Wrote 2 windows to J1521+4336_X_2010_10_13_pus_map.win
x = (field_size-8) * field_cell / 4
addwin -x,x,-x,x
clean (field_size*4),0.01
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! clean: niter=1024  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = -0.000670888 Jy
! Component: 100  -  total flux cleaned = -0.00105891 Jy
! Component: 150  -  total flux cleaned = -0.00127332 Jy
! Component: 200  -  total flux cleaned = -0.00142134 Jy
! Component: 250  -  total flux cleaned = -0.00145 Jy
! Component: 300  -  total flux cleaned = -0.00147809 Jy
! Component: 350  -  total flux cleaned = -0.00153341 Jy
! Component: 400  -  total flux cleaned = -0.0015336 Jy
! Component: 450  -  total flux cleaned = -0.00158706 Jy
! Component: 500  -  total flux cleaned = -0.00158691 Jy
! Component: 550  -  total flux cleaned = -0.00158711 Jy
! Component: 600  -  total flux cleaned = -0.00161317 Jy
! Component: 650  -  total flux cleaned = -0.00163881 Jy
! Component: 700  -  total flux cleaned = -0.00168914 Jy
! Component: 750  -  total flux cleaned = -0.00171402 Jy
! Component: 800  -  total flux cleaned = -0.00176308 Jy
! Component: 850  -  total flux cleaned = -0.00183597 Jy
! Component: 900  -  total flux cleaned = -0.0018599 Jy
! Component: 950  -  total flux cleaned = -0.00190777 Jy
! Component: 1000  -  total flux cleaned = -0.0019789 Jy
! Total flux subtracted in 1024 components = -0.00197885 Jy
! Clean residual min=-0.001474 max=0.001387 Jy/beam
! Clean residual mean=-0.000055 rms=0.000465 Jy/beam
! Combined flux in latest and established models = 0.443448 Jy
keep
! Adding 83 model components to the UV plane model.
! The established model now contains 118 components and 0.443448 Jy
![Exited script file: muppet]
wmap "J1521+4336_X_2010_10_13_pus\_map.fits"
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6633 x 0.9891 at 17.45 degrees (North through East)
! Clean map  min=-0.0017987  max=0.38702 Jy/beam
! Writing clean map to FITS file: J1521+4336_X_2010_10_13_pus_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.387022 
invert
! Inverting map 
! Your choice of large map pixels excluded 11.6% of the data.
!  The x-axis pixel size should ideally be below 0.1535 milli-arcsec
!  The y-axis pixel size should ideally be below 0.1417 milli-arcsec
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00046526 
device "J1521+4336_X_2010_10_13_pus\_map.eps/VPS"
! Attempting to open device: 'J1521+4336_X_2010_10_13_pus_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.360646 0.360646 0.721292 1.44258 2.88517 5.77034 11.5407 23.0813 46.1627 92.3254
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0013 
print "peak=",int(1000*peak_flux)/1000
! peak= 0.387 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6633 x 0.9891 at 17.45 degrees (North through East)
! Clean map  min=-0.0017987  max=0.38702 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1521+4336_X_2010_10_13_pus\_map.gif/vgif"
! Attempting to open device: 'J1521+4336_X_2010_10_13_pus_map.gif/vgif'
mapplot cln