! Started logfile: J1756+1535_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:38:07 2011
obs J1756+1535_X_2009_04_21_pus_uva.fits
! Reading UV FITS file: J1756+1535_X_2009_04_21_pus_uva.fits
! AN table 1: 135 integrations on 120 of 120 possible baselines.
! AN table 2: 200 integrations on 120 of 120 possible baselines.
! AN table 3: 186 integrations on 120 of 120 possible baselines.
! Apparent sampling: 0.195058 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1756+1535
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 2445 lines of history.
! 
! Reading 48780 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 = 0.2 
print "taper_size =",taper_size
! taper_size = 70 
![@muppet J1756+1535_X_2009_04_21_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 0.200x0.200 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 1901 telescope corrections were flagged in sub-array 1.
!  A total of 2227 telescope corrections were flagged in sub-array 2.
!  A total of 1471 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1901 telescope corrections were flagged in sub-array 1.
!  A total of 2227 telescope corrections were flagged in sub-array 2.
!  A total of 1471 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1901 telescope corrections were flagged in sub-array 1.
!  A total of 2227 telescope corrections were flagged in sub-array 2.
!  A total of 1471 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1901 telescope corrections were flagged in sub-array 1.
!  A total of 2227 telescope corrections were flagged in sub-array 2.
!  A total of 1471 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.806227Jy  sigma=0.007188
! Fit after  self-cal, rms=0.687500Jy  sigma=0.006033
! 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 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.5021 mas, bmaj=1.466 mas, bpa=-7.601 degrees
! Estimated noise=714.382 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 = 0.251471 Jy
! Component: 100  -  total flux cleaned = 0.318285 Jy
! Total flux subtracted in 100 components = 0.318285 Jy
! Clean residual min=-0.007980 max=0.029839 Jy/beam
! Clean residual mean=0.000038 rms=0.002569 Jy/beam
! Combined flux in latest and established models = 0.318285 Jy
! Performing phase self-cal
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 0.318285 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.163215Jy  sigma=0.001328
! Fit after  self-cal, rms=0.163055Jy  sigma=0.001327
! Inverting map 
! Your choice of large map pixels excluded 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0331649 Jy
! Component: 100  -  total flux cleaned = 0.0497743 Jy
! Total flux subtracted in 100 components = 0.0497743 Jy
! Clean residual min=-0.006587 max=0.015114 Jy/beam
! Clean residual mean=-0.000003 rms=0.001687 Jy/beam
! Combined flux in latest and established models = 0.36806 Jy
! Performing phase self-cal
! Adding 6 model components to the UV plane model.
! The established model now contains 7 components and 0.36806 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155306Jy  sigma=0.001241
! Fit after  self-cal, rms=0.155137Jy  sigma=0.001240
! Inverting map 
! Your choice of large map pixels excluded 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Added new window around map position (-0.8, -0.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0139486 Jy
! Component: 100  -  total flux cleaned = 0.0212447 Jy
! Total flux subtracted in 100 components = 0.0212447 Jy
! Clean residual min=-0.005758 max=0.011218 Jy/beam
! Clean residual mean=-0.000020 rms=0.001457 Jy/beam
! Combined flux in latest and established models = 0.389304 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 19 components and 0.389304 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.153874Jy  sigma=0.001226
! Fit after  self-cal, rms=0.153662Jy  sigma=0.001224
! Inverting map 
! Your choice of large map pixels excluded 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.5954 mas, bmaj=1.601 mas, bpa=-7.547 degrees
! Estimated noise=384.374 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 (-1.4, -0.4).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00990394 Jy
! Component: 100  -  total flux cleaned = 0.0154424 Jy
! Component: 150  -  total flux cleaned = 0.0178711 Jy
! Component: 200  -  total flux cleaned = 0.0190311 Jy
! Total flux subtracted in 200 components = 0.0190311 Jy
! Clean residual min=-0.003808 max=0.005938 Jy/beam
! Clean residual mean=-0.000316 rms=0.000928 Jy/beam
! Combined flux in latest and established models = 0.408335 Jy
! Performing phase self-cal
! Adding 29 model components to the UV plane model.
! The established model now contains 43 components and 0.408335 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.153022Jy  sigma=0.001218
! Fit after  self-cal, rms=0.152938Jy  sigma=0.001217
! Inverting map 
! Your choice of large map pixels excluded 6.08% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 183 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        1.04     
!   KK        0.94     KP        1.00*    LA        1.00*    MK        0.95     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        1.10     WZ        1.00*    ZC        1.00*    
! 
!  A total of 48 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.97     HN        1.02     KB        0.91     
!   KK        1.04     KP        0.99     LA        0.99     MK        1.03     
!   NL        0.98     NY        1.00*    OV        1.00     PT        0.98     
!   SC        1.07     TS        0.97     WZ        1.00*    ZC        1.00*    
! 
!  A total of 69 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        1.00     HN        1.04     KB        1.00*    
!   KK        1.00*    KP        0.99     LA        1.01     MK        1.00*    
!   NL        0.98     NY        1.01     OV        1.00     PT        1.01     
!   SC        0.99     TS        1.00*    WZ        1.10     ZC        1.14     
! 
! 
! Correcting IF 2.
!  A total of 183 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        1.11     
!   KK        0.92     KP        1.00*    LA        1.00*    MK        0.99     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        1.03     WZ        1.00*    ZC        1.00*    
! 
!  A total of 48 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        0.96     HN        1.01     KB        0.94     
!   KK        1.00     KP        0.98     LA        0.97     MK        1.02     
!   NL        0.97     NY        1.00*    OV        0.98     PT        0.97     
!   SC        1.10     TS        0.94     WZ        1.00*    ZC        1.00*    
! 
!  A total of 69 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.99     HN        1.03     KB        1.00*    
!   KK        1.00*    KP        0.98     LA        1.00     MK        1.00*    
!   NL        0.96     NY        1.04     OV        0.99     PT        1.00     
!   SC        0.98     TS        1.00*    WZ        1.06     ZC        1.13     
! 
! 
! Correcting IF 3.
!  A total of 183 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        1.07     
!   KK        1.07     KP        1.00*    LA        1.00*    MK        1.00     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        1.06     WZ        1.00*    ZC        1.00*    
! 
!  A total of 48 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.96     HN        1.02     KB        0.92     
!   KK        1.02     KP        0.98     LA        1.00     MK        1.04     
!   NL        0.98     NY        1.00*    OV        1.01     PT        0.96     
!   SC        1.10     TS        0.93     WZ        1.00*    ZC        1.00*    
! 
!  A total of 69 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        0.99     HN        1.03     KB        1.00*    
!   KK        1.00*    KP        0.99     LA        1.00     MK        1.00*    
!   NL        0.99     NY        1.08     OV        1.00     PT        0.99     
!   SC        1.03     TS        1.00*    WZ        0.98     ZC        1.11     
! 
! 
! Correcting IF 4.
!  A total of 183 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        1.04     
!   KK        0.95     KP        1.00*    LA        1.00*    MK        0.95     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        1.00     WZ        1.00*    ZC        1.00*    
! 
!  A total of 48 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.97     HN        1.02     KB        0.91     
!   KK        0.97     KP        0.99     LA        0.98     MK        1.02     
!   NL        0.99     NY        1.00*    OV        1.01     PT        0.97     
!   SC        1.08     TS        0.94     WZ        1.00*    ZC        1.00*    
! 
!  A total of 69 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        1.00     HN        1.04     KB        1.00*    
!   KK        1.00*    KP        0.98     LA        1.01     MK        1.00*    
!   NL        0.98     NY        0.99     OV        1.00     PT        0.97     
!   SC        1.03     TS        1.00*    WZ        1.01     ZC        1.12     
! 
! 
! Fit before self-cal, rms=0.152938Jy  sigma=0.001217
! Fit after  self-cal, rms=0.155178Jy  sigma=0.001199
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6037 mas, bmaj=1.6 mas, bpa=-7.292 degrees
! Estimated noise=389.409 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 = 0.000283135 Jy
! Component: 100  -  total flux cleaned = 0.000432533 Jy
! Component: 150  -  total flux cleaned = 0.000625451 Jy
! Component: 200  -  total flux cleaned = 0.000676853 Jy
! Total flux subtracted in 200 components = 0.000676853 Jy
! Clean residual min=-0.001962 max=0.002397 Jy/beam
! Clean residual mean=0.000072 rms=0.000496 Jy/beam
! Combined flux in latest and established models = 0.409012 Jy
! Performing phase self-cal
! Adding 16 model components to the UV plane model.
! The established model now contains 56 components and 0.409012 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155110Jy  sigma=0.001198
! Fit after  self-cal, rms=0.155168Jy  sigma=0.001198
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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=0.155168Jy  sigma=0.001198
! Fit after  self-cal, rms=0.155079Jy  sigma=0.001197
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6045 mas, bmaj=1.601 mas, bpa=-7.317 degrees
! Estimated noise=389.326 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000152565 Jy
! Component: 100  -  total flux cleaned = 5.45299e-05 Jy
! Component: 150  -  total flux cleaned = 9.79183e-05 Jy
! Component: 200  -  total flux cleaned = 0.000134793 Jy
! Total flux subtracted in 200 components = 0.000134793 Jy
! Clean residual min=-0.002047 max=0.001799 Jy/beam
! Clean residual mean=0.000045 rms=0.000452 Jy/beam
! Combined flux in latest and established models = 0.409147 Jy
selfcal
! Performing phase self-cal
! Adding 15 model components to the UV plane model.
! The established model now contains 61 components and 0.409147 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155052Jy  sigma=0.001197
! Fit after  self-cal, rms=0.155055Jy  sigma=0.001197
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 = 0.000251516 Jy
! Component: 100  -  total flux cleaned = 0.000253297 Jy
! Component: 150  -  total flux cleaned = 0.000281924 Jy
! Component: 200  -  total flux cleaned = 0.000308856 Jy
! Total flux subtracted in 200 components = 0.000308856 Jy
! Clean residual min=-0.002002 max=0.001789 Jy/beam
! Clean residual mean=0.000042 rms=0.000446 Jy/beam
! Combined flux in latest and established models = 0.409456 Jy
! Performing phase self-cal
! Adding 17 model components to the UV plane model.
! The established model now contains 62 components and 0.409456 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155044Jy  sigma=0.001197
! Fit after  self-cal, rms=0.155043Jy  sigma=0.001197
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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=0.155043Jy  sigma=0.001197
! Fit after  self-cal, rms=0.155188Jy  sigma=0.001196
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6051 mas, bmaj=1.602 mas, bpa=-7.302 degrees
! Estimated noise=389.615 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.4159e-05 Jy
! Component: 100  -  total flux cleaned = -8.1136e-05 Jy
! Component: 150  -  total flux cleaned = -8.23647e-05 Jy
! Component: 200  -  total flux cleaned = -3.52548e-05 Jy
! Total flux subtracted in 200 components = -3.52548e-05 Jy
! Clean residual min=-0.001941 max=0.001775 Jy/beam
! Clean residual mean=0.000043 rms=0.000437 Jy/beam
! Combined flux in latest and established models = 0.40942 Jy
selfcal
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 62 components and 0.40942 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155178Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155177Jy  sigma=0.001196
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 = 0.000183872 Jy
! Component: 100  -  total flux cleaned = 0.000183897 Jy
! Component: 150  -  total flux cleaned = 0.000163176 Jy
! Component: 200  -  total flux cleaned = 0.000162779 Jy
! Total flux subtracted in 200 components = 0.000162779 Jy
! Clean residual min=-0.001923 max=0.001770 Jy/beam
! Clean residual mean=0.000041 rms=0.000434 Jy/beam
! Combined flux in latest and established models = 0.409583 Jy
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 65 components and 0.409583 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155172Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155171Jy  sigma=0.001196
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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=0.155171Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155291Jy  sigma=0.001196
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=2.457 mas, bmaj=2.876 mas, bpa=-4.924 degrees
! Estimated noise=524.004 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000371931 Jy
! Component: 100  -  total flux cleaned = 0.000408018 Jy
! Component: 150  -  total flux cleaned = 0.000423952 Jy
! Component: 200  -  total flux cleaned = 0.000424184 Jy
! Total flux subtracted in 200 components = 0.000424184 Jy
! Clean residual min=-0.001902 max=0.001998 Jy/beam
! Clean residual mean=0.000102 rms=0.000535 Jy/beam
! Combined flux in latest and established models = 0.410007 Jy
selfcal
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 76 components and 0.410007 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155292Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155291Jy  sigma=0.001196
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 = -8.47405e-07 Jy
! Component: 100  -  total flux cleaned = -1.04686e-06 Jy
! Component: 150  -  total flux cleaned = 1.20333e-05 Jy
! Component: 200  -  total flux cleaned = 2.39644e-05 Jy
! Total flux subtracted in 200 components = 2.39644e-05 Jy
! Clean residual min=-0.001883 max=0.002003 Jy/beam
! Clean residual mean=0.000101 rms=0.000533 Jy/beam
! Combined flux in latest and established models = 0.410031 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 79 components and 0.410031 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155293Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155293Jy  sigma=0.001196
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6055 mas, bmaj=1.602 mas, bpa=-7.294 degrees
! Estimated noise=389.843 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6055 x 1.602 at -7.294 degrees (North through East)
! Clean map  min=-0.001672  max=0.32588 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 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.518 mas, bmaj=1.458 mas, bpa=-7.285 degrees
! Estimated noise=729.171 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.252542 Jy
! Component: 100  -  total flux cleaned = 0.321947 Jy
! Component: 150  -  total flux cleaned = 0.355121 Jy
! Component: 200  -  total flux cleaned = 0.372828 Jy
! Total flux subtracted in 200 components = 0.372828 Jy
! Clean residual min=-0.004498 max=0.008926 Jy/beam
! Clean residual mean=0.000043 rms=0.001202 Jy/beam
! Combined flux in latest and established models = 0.372828 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 9 model components to the UV plane model.
! The established model now contains 9 components and 0.372828 Jy
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6055 mas, bmaj=1.602 mas, bpa=-7.294 degrees
! Estimated noise=389.843 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 = 0.0141246 Jy
! Component: 100  -  total flux cleaned = 0.0216268 Jy
! Component: 150  -  total flux cleaned = 0.0264377 Jy
! Component: 200  -  total flux cleaned = 0.0297411 Jy
! Total flux subtracted in 200 components = 0.0297411 Jy
! Clean residual min=-0.001902 max=0.002599 Jy/beam
! Clean residual mean=0.000094 rms=0.000496 Jy/beam
! Combined flux in latest and established models = 0.402569 Jy
! Adding 41 model components to the UV plane model.
! The established model now contains 44 components and 0.402569 Jy
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Added new window around map position (0.6, 1.6).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00272156 Jy
! Component: 100  -  total flux cleaned = 0.0045721 Jy
! Component: 150  -  total flux cleaned = 0.00567875 Jy
! Component: 200  -  total flux cleaned = 0.00629127 Jy
! Total flux subtracted in 200 components = 0.00629127 Jy
! Clean residual min=-0.001862 max=0.001895 Jy/beam
! Clean residual mean=0.000047 rms=0.000432 Jy/beam
! Combined flux in latest and established models = 0.40886 Jy
! Adding 28 model components to the UV plane model.
! The established model now contains 64 components and 0.40886 Jy
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Added new window around map position (-7.6, 19.6).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00139746 Jy
! Component: 100  -  total flux cleaned = 0.00167424 Jy
! Component: 150  -  total flux cleaned = 0.00192117 Jy
! Component: 200  -  total flux cleaned = 0.00205039 Jy
! Total flux subtracted in 200 components = 0.00205039 Jy
! Clean residual min=-0.001787 max=0.001645 Jy/beam
! Clean residual mean=0.000030 rms=0.000417 Jy/beam
! Combined flux in latest and established models = 0.410911 Jy
! Adding 27 model components to the UV plane model.
! The established model now contains 79 components and 0.410911 Jy
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 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 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=2.457 mas, bmaj=2.876 mas, bpa=-4.924 degrees
! Estimated noise=524.004 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000704929 Jy
! Component: 100  -  total flux cleaned = 0.00078745 Jy
! Component: 150  -  total flux cleaned = 0.000834096 Jy
! Component: 200  -  total flux cleaned = 0.000872571 Jy
! Total flux subtracted in 200 components = 0.000872571 Jy
! Clean residual min=-0.001842 max=0.002148 Jy/beam
! Clean residual mean=0.000064 rms=0.000515 Jy/beam
! Combined flux in latest and established models = 0.411783 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 = 3.31602e-05 Jy
! Component: 100  -  total flux cleaned = 6.3224e-05 Jy
! Component: 150  -  total flux cleaned = 7.26316e-05 Jy
! Component: 200  -  total flux cleaned = 8.13579e-05 Jy
! Total flux subtracted in 200 components = 8.13579e-05 Jy
! Clean residual min=-0.001854 max=0.002162 Jy/beam
! Clean residual mean=0.000062 rms=0.000516 Jy/beam
! Combined flux in latest and established models = 0.411865 Jy
! Adding 35 model components to the UV plane model.
! The established model now contains 107 components and 0.411865 Jy
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! Estimated beam: bmin=0.6055 mas, bmaj=1.602 mas, bpa=-7.294 degrees
! Estimated noise=389.843 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -6.42677e-05 Jy
! Component: 100  -  total flux cleaned = -0.000119192 Jy
! Component: 150  -  total flux cleaned = -0.000144622 Jy
! Component: 200  -  total flux cleaned = -0.000121853 Jy
! Total flux subtracted in 200 components = -0.000121853 Jy
! Clean residual min=-0.001784 max=0.001663 Jy/beam
! Clean residual mean=0.000025 rms=0.000413 Jy/beam
! Combined flux in latest and established models = 0.411743 Jy
selfcal
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 117 components and 0.411743 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155282Jy  sigma=0.001196
! Fit after  self-cal, rms=0.155271Jy  sigma=0.001196
wmodel J1756+1535_X_2009_04_21_pus_map.mod
! Writing 117 model components to file: J1756+1535_X_2009_04_21_pus_map.mod
wobs J1756+1535_X_2009_04_21_pus_uvs.fits
! Writing UV FITS file: J1756+1535_X_2009_04_21_pus_uvs.fits
wwins J1756+1535_X_2009_04_21_pus_map.win
! wwins: Wrote 5 windows to J1756+1535_X_2009_04_21_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 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! clean: niter=2048  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = 0.000179094 Jy
! Component: 100  -  total flux cleaned = 0.000292778 Jy
! Component: 150  -  total flux cleaned = 0.000401107 Jy
! Component: 200  -  total flux cleaned = 0.000478999 Jy
! Component: 250  -  total flux cleaned = 0.000604048 Jy
! Component: 300  -  total flux cleaned = 0.000824235 Jy
! Component: 350  -  total flux cleaned = 0.000991428 Jy
! Component: 400  -  total flux cleaned = 0.00110849 Jy
! Component: 450  -  total flux cleaned = 0.00122365 Jy
! Component: 500  -  total flux cleaned = 0.00135917 Jy
! Component: 550  -  total flux cleaned = 0.00146993 Jy
! Component: 600  -  total flux cleaned = 0.00153533 Jy
! Component: 650  -  total flux cleaned = 0.00155702 Jy
! Component: 700  -  total flux cleaned = 0.00159969 Jy
! Component: 750  -  total flux cleaned = 0.00164172 Jy
! Component: 800  -  total flux cleaned = 0.00166275 Jy
! Component: 850  -  total flux cleaned = 0.00174554 Jy
! Component: 900  -  total flux cleaned = 0.00180701 Jy
! Component: 950  -  total flux cleaned = 0.00186785 Jy
! Component: 1000  -  total flux cleaned = 0.00190801 Jy
! Component: 1050  -  total flux cleaned = 0.001928 Jy
! Component: 1100  -  total flux cleaned = 0.00194788 Jy
! Component: 1150  -  total flux cleaned = 0.0020062 Jy
! Component: 1200  -  total flux cleaned = 0.00200621 Jy
! Component: 1250  -  total flux cleaned = 0.00204446 Jy
! Component: 1300  -  total flux cleaned = 0.00208231 Jy
! Component: 1350  -  total flux cleaned = 0.00210084 Jy
! Component: 1400  -  total flux cleaned = 0.00213813 Jy
! Component: 1450  -  total flux cleaned = 0.00211958 Jy
! Component: 1500  -  total flux cleaned = 0.00213798 Jy
! Component: 1550  -  total flux cleaned = 0.00219259 Jy
! Component: 1600  -  total flux cleaned = 0.0021744 Jy
! Component: 1650  -  total flux cleaned = 0.00213845 Jy
! Component: 1700  -  total flux cleaned = 0.0021564 Jy
! Component: 1750  -  total flux cleaned = 0.00217408 Jy
! Component: 1800  -  total flux cleaned = 0.00219153 Jy
! Component: 1850  -  total flux cleaned = 0.00219143 Jy
! Component: 1900  -  total flux cleaned = 0.00213936 Jy
! Component: 1950  -  total flux cleaned = 0.002191 Jy
! Component: 2000  -  total flux cleaned = 0.00217388 Jy
! Total flux subtracted in 2048 components = 0.00217389 Jy
! Clean residual min=-0.001113 max=0.001239 Jy/beam
! Clean residual mean=0.000007 rms=0.000312 Jy/beam
! Combined flux in latest and established models = 0.413917 Jy
keep
! Adding 155 model components to the UV plane model.
! The established model now contains 272 components and 0.413917 Jy
![Exited script file: muppet]
wmap "J1756+1535_X_2009_04_21_pus\_map.fits"
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6055 x 1.602 at -7.294 degrees (North through East)
! Clean map  min=-0.0014053  max=0.32489 Jy/beam
! Writing clean map to FITS file: J1756+1535_X_2009_04_21_pus_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.324894 
invert
! Inverting map 
! Your choice of large map pixels excluded 5.92% of the data.
!  The x-axis pixel size should ideally be below 0.1573 milli-arcsec
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000312439 
device "J1756+1535_X_2009_04_21_pus\_map.eps/VPS"
! Attempting to open device: 'J1756+1535_X_2009_04_21_pus_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.2885 0.2885 0.577 1.154 2.308 4.616 9.23201 18.464 36.928 73.856
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0009 
print "peak=",int(1000*peak_flux)/1000
! peak= 0.324 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6055 x 1.602 at -7.294 degrees (North through East)
! Clean map  min=-0.0014053  max=0.32489 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1756+1535_X_2009_04_21_pus\_map.gif/vgif"
! Attempting to open device: 'J1756+1535_X_2009_04_21_pus_map.gif/vgif'
mapplot cln