! Started logfile: J0237+2848_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:17:26 2010
obs J0237+2848_X_2008_07_09_pus_uva.fits
! Reading UV FITS file: J0237+2848_X_2008_07_09_pus_uva.fits
! AN table 1: 132 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.144661 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0237+2848
! 
! 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 1146 lines of history.
! 
! Reading 8020 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 
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 1389 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1389 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1389 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1391 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.276910Jy  sigma=0.010025
! Fit after  self-cal, rms=1.209030Jy  sigma=0.009522
! 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 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.4995 mas, bmaj=1.141 mas, bpa=-13.56 degrees
! Estimated noise=1644.8 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 = 1.45291 Jy
! Component: 100  -  total flux cleaned = 1.89823 Jy
! Total flux subtracted in 100 components = 1.89823 Jy
! Clean residual min=-0.093547 max=0.213164 Jy/beam
! Clean residual mean=0.000861 rms=0.028478 Jy/beam
! Combined flux in latest and established models = 1.89823 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 1.89823 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.650081Jy  sigma=0.004947
! Fit after  self-cal, rms=0.647994Jy  sigma=0.004929
! Inverting map 
! Your choice of large map pixels excluded 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.272779 Jy
! Component: 100  -  total flux cleaned = 0.461609 Jy
! Total flux subtracted in 100 components = 0.461609 Jy
! Clean residual min=-0.058491 max=0.106261 Jy/beam
! Clean residual mean=0.000534 rms=0.016922 Jy/beam
! Combined flux in latest and established models = 2.35984 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 16 components and 2.35984 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.458621Jy  sigma=0.003193
! Fit after  self-cal, rms=0.455260Jy  sigma=0.003163
! Inverting map 
! Your choice of large map pixels excluded 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.144501 Jy
! Component: 100  -  total flux cleaned = 0.247696 Jy
! Total flux subtracted in 100 components = 0.247696 Jy
! Clean residual min=-0.036945 max=0.063977 Jy/beam
! Clean residual mean=0.000355 rms=0.011229 Jy/beam
! Combined flux in latest and established models = 2.60753 Jy
! Performing phase self-cal
! Adding 11 model components to the UV plane model.
! The established model now contains 16 components and 2.60753 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.380805Jy  sigma=0.002420
! Fit after  self-cal, rms=0.379649Jy  sigma=0.002408
! Inverting map 
! Your choice of large map pixels excluded 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Added new window around map position (0, 1.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0808413 Jy
! Component: 100  -  total flux cleaned = 0.138955 Jy
! Total flux subtracted in 100 components = 0.138955 Jy
! Clean residual min=-0.029511 max=0.042269 Jy/beam
! Clean residual mean=0.000254 rms=0.008699 Jy/beam
! Combined flux in latest and established models = 2.74649 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 23 components and 2.74649 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.351460Jy  sigma=0.002115
! Fit after  self-cal, rms=0.350984Jy  sigma=0.002110
! Inverting map 
! Your choice of large map pixels excluded 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5663 mas, bmaj=1.278 mas, bpa=-12.82 degrees
! Estimated noise=1151.76 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 = 0.0718625 Jy
! Component: 100  -  total flux cleaned = 0.116039 Jy
! Component: 150  -  total flux cleaned = 0.144386 Jy
! Component: 200  -  total flux cleaned = 0.163 Jy
! Total flux subtracted in 200 components = 0.163 Jy
! Clean residual min=-0.027231 max=0.033527 Jy/beam
! Clean residual mean=0.000621 rms=0.008592 Jy/beam
! Combined flux in latest and established models = 2.90949 Jy
! Performing phase self-cal
! Adding 28 model components to the UV plane model.
! The established model now contains 36 components and 2.90949 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.334519Jy  sigma=0.001945
! Fit after  self-cal, rms=0.334075Jy  sigma=0.001940
! Inverting map 
! Your choice of large map pixels excluded 3.84% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.93     FD        1.02     HH        1.00*    HN        1.11     
!   KK        1.00*    KP        1.01     LA        0.97     MK        1.00*    
!   NL        0.97     NY        1.01     ON        0.98     PT        0.97     
!   SC        0.98     WZ        0.99     ZC        1.05     
! 
! 
! Correcting IF 2.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.01     HH        1.00*    HN        1.02     
!   KK        1.00*    KP        0.95     LA        0.96     MK        1.00*    
!   NL        0.96     NY        1.03     ON        0.97     PT        0.98     
!   SC        1.00     WZ        0.99     ZC        1.03     
! 
! 
! Correcting IF 3.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     HH        1.00*    HN        1.02     
!   KK        1.00*    KP        0.99     LA        0.99     MK        1.00*    
!   NL        0.98     NY        1.01     ON        0.97     PT        0.97     
!   SC        1.02     WZ        0.99     ZC        1.05     
! 
! 
! Correcting IF 4.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.01     HH        1.00*    HN        1.01     
!   KK        1.00*    KP        0.98     LA        0.98     MK        1.00*    
!   NL        0.99     NY        1.05     ON        0.98     PT        1.02     
!   SC        1.03     WZ        0.98     ZC        1.07     
! 
! 
! Fit before self-cal, rms=0.334075Jy  sigma=0.001940
! Fit after  self-cal, rms=0.317061Jy  sigma=0.001792
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5638 mas, bmaj=1.286 mas, bpa=-12.74 degrees
! Estimated noise=1153.68 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 = 0.00116009 Jy
! Component: 100  -  total flux cleaned = 0.0031919 Jy
! Component: 150  -  total flux cleaned = 0.00389048 Jy
! Component: 200  -  total flux cleaned = 0.00469292 Jy
! Total flux subtracted in 200 components = 0.00469292 Jy
! Clean residual min=-0.022359 max=0.029060 Jy/beam
! Clean residual mean=0.000138 rms=0.006849 Jy/beam
! Combined flux in latest and established models = 2.91418 Jy
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 46 components and 2.91418 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.316590Jy  sigma=0.001788
! Fit after  self-cal, rms=0.316550Jy  sigma=0.001788
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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=0.316550Jy  sigma=0.001788
! Fit after  self-cal, rms=0.302056Jy  sigma=0.001725
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5651 mas, bmaj=1.282 mas, bpa=-12.75 degrees
! Estimated noise=1154.48 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000684944 Jy
! Component: 100  -  total flux cleaned = 0.00214286 Jy
! Component: 150  -  total flux cleaned = 0.00270691 Jy
! Component: 200  -  total flux cleaned = 0.00305186 Jy
! Total flux subtracted in 200 components = 0.00305186 Jy
! Clean residual min=-0.018640 max=0.023352 Jy/beam
! Clean residual mean=0.000205 rms=0.005744 Jy/beam
! Combined flux in latest and established models = 2.91723 Jy
selfcal
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 49 components and 2.91723 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.301804Jy  sigma=0.001724
! Fit after  self-cal, rms=0.301858Jy  sigma=0.001723
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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 = -0.000485319 Jy
! Component: 100  -  total flux cleaned = -0.000128876 Jy
! Component: 150  -  total flux cleaned = -0.000132677 Jy
! Component: 200  -  total flux cleaned = -0.000133752 Jy
! Total flux subtracted in 200 components = -0.000133752 Jy
! Clean residual min=-0.018268 max=0.023025 Jy/beam
! Clean residual mean=0.000204 rms=0.005733 Jy/beam
! Combined flux in latest and established models = 2.9171 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 52 components and 2.9171 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.301781Jy  sigma=0.001723
! Fit after  self-cal, rms=0.301777Jy  sigma=0.001723
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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=0.301777Jy  sigma=0.001723
! Fit after  self-cal, rms=0.249091Jy  sigma=0.001542
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5669 mas, bmaj=1.282 mas, bpa=-12.81 degrees
! Estimated noise=1155.23 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00368502 Jy
! Component: 100  -  total flux cleaned = -0.00516728 Jy
! Component: 150  -  total flux cleaned = -0.00617193 Jy
! Component: 200  -  total flux cleaned = -0.00691851 Jy
! Total flux subtracted in 200 components = -0.00691851 Jy
! Clean residual min=-0.007989 max=0.017014 Jy/beam
! Clean residual mean=0.000222 rms=0.002674 Jy/beam
! Combined flux in latest and established models = 2.91018 Jy
selfcal
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 56 components and 2.91018 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.248802Jy  sigma=0.001540
! Fit after  self-cal, rms=0.248425Jy  sigma=0.001539
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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)
! Added new window around map position (-0.8, 1).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0122349 Jy
! Component: 100  -  total flux cleaned = 0.0108219 Jy
! Component: 150  -  total flux cleaned = 0.00938042 Jy
! Component: 200  -  total flux cleaned = 0.00874696 Jy
! Total flux subtracted in 200 components = 0.00874696 Jy
! Clean residual min=-0.007208 max=0.010384 Jy/beam
! Clean residual mean=0.000185 rms=0.002459 Jy/beam
! Combined flux in latest and established models = 2.91893 Jy
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 68 components and 2.91893 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.247246Jy  sigma=0.001532
! Fit after  self-cal, rms=0.247070Jy  sigma=0.001531
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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=0.247070Jy  sigma=0.001531
! Fit after  self-cal, rms=0.246660Jy  sigma=0.001530
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=2.042 mas, bmaj=2.369 mas, bpa=36.98 degrees
! Estimated noise=1701.03 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00208136 Jy
! Component: 100  -  total flux cleaned = 0.00280478 Jy
! Component: 150  -  total flux cleaned = 0.00339787 Jy
! Component: 200  -  total flux cleaned = 0.00346715 Jy
! Total flux subtracted in 200 components = 0.00346715 Jy
! Clean residual min=-0.011428 max=0.021341 Jy/beam
! Clean residual mean=0.000676 rms=0.005754 Jy/beam
! Combined flux in latest and established models = 2.92239 Jy
selfcal
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 74 components and 2.92239 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246567Jy  sigma=0.001530
! Fit after  self-cal, rms=0.246532Jy  sigma=0.001530
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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 = 0.000647085 Jy
! Component: 100  -  total flux cleaned = 0.000868616 Jy
! Component: 150  -  total flux cleaned = 0.000994008 Jy
! Component: 200  -  total flux cleaned = 0.00105126 Jy
! Total flux subtracted in 200 components = 0.00105126 Jy
! Clean residual min=-0.011148 max=0.021293 Jy/beam
! Clean residual mean=0.000659 rms=0.005706 Jy/beam
! Combined flux in latest and established models = 2.92344 Jy
! Performing phase self-cal
! Adding 7 model components to the UV plane model.
! The established model now contains 76 components and 2.92344 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246475Jy  sigma=0.001530
! Fit after  self-cal, rms=0.246461Jy  sigma=0.001530
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5672 mas, bmaj=1.283 mas, bpa=-12.81 degrees
! Estimated noise=1154.45 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5672 x 1.283 at -12.81 degrees (North through East)
! Clean map  min=-0.0055322  max=1.9815 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=0.246461Jy  sigma=0.001530
! Fit after  self-cal, rms=0.469848Jy  sigma=0.001128
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5693 mas, bmaj=1.282 mas, bpa=-12.81 degrees
! Estimated noise=1154.88 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.0103868 Jy
! Component: 100  -  total flux cleaned = -0.0123127 Jy
! Component: 150  -  total flux cleaned = -0.0133756 Jy
! Component: 200  -  total flux cleaned = -0.0142208 Jy
! Total flux subtracted in 200 components = -0.0142208 Jy
! Clean residual min=-0.006731 max=0.009592 Jy/beam
! Clean residual mean=0.000223 rms=0.002340 Jy/beam
! Combined flux in latest and established models = 2.90922 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 77 components and 2.90922 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.469692Jy  sigma=0.001119
! Fit after  self-cal, rms=0.469658Jy  sigma=0.001119
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00030869 Jy
! Component: 100  -  total flux cleaned = 0.000309793 Jy
! Component: 150  -  total flux cleaned = 0.000203864 Jy
! Component: 200  -  total flux cleaned = 2.18281e-05 Jy
! Total flux subtracted in 200 components = 2.18281e-05 Jy
! Clean residual min=-0.006753 max=0.009611 Jy/beam
! Clean residual mean=0.000221 rms=0.002318 Jy/beam
! Combined flux in latest and established models = 2.90925 Jy
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 80 components and 2.90924 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.469657Jy  sigma=0.001117
! Fit after  self-cal, rms=0.469628Jy  sigma=0.001117
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Performing amp+phase self-cal
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.469628Jy  sigma=0.001117
! Fit after  self-cal, rms=0.666084Jy  sigma=0.001115
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 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5047 mas, bmaj=1.139 mas, bpa=-13.65 degrees
! Estimated noise=1663.36 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 1.46223 Jy
! Component: 100  -  total flux cleaned = 1.92991 Jy
! Component: 150  -  total flux cleaned = 2.2087 Jy
! Component: 200  -  total flux cleaned = 2.39362 Jy
! Total flux subtracted in 200 components = 2.39362 Jy
! Clean residual min=-0.040813 max=0.102037 Jy/beam
! Clean residual mean=0.000420 rms=0.013663 Jy/beam
! Combined flux in latest and established models = 2.39362 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 15 model components to the UV plane model.
! The established model now contains 15 components and 2.39362 Jy
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5702 mas, bmaj=1.282 mas, bpa=-12.82 degrees
! Estimated noise=1154.77 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 = 0.183276 Jy
! Component: 100  -  total flux cleaned = 0.297015 Jy
! Component: 150  -  total flux cleaned = 0.369301 Jy
! Component: 200  -  total flux cleaned = 0.415748 Jy
! Total flux subtracted in 200 components = 0.415748 Jy
! Clean residual min=-0.011529 max=0.024498 Jy/beam
! Clean residual mean=0.000557 rms=0.004424 Jy/beam
! Combined flux in latest and established models = 2.80937 Jy
! Adding 24 model components to the UV plane model.
! The established model now contains 28 components and 2.80937 Jy
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0301359 Jy
! Component: 100  -  total flux cleaned = 0.0503025 Jy
! Component: 150  -  total flux cleaned = 0.0642288 Jy
! Component: 200  -  total flux cleaned = 0.0740866 Jy
! Total flux subtracted in 200 components = 0.0740866 Jy
! Clean residual min=-0.007476 max=0.010290 Jy/beam
! Clean residual mean=0.000280 rms=0.002448 Jy/beam
! Combined flux in latest and established models = 2.88345 Jy
! Adding 29 model components to the UV plane model.
! The established model now contains 47 components and 2.88345 Jy
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 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 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=2.043 mas, bmaj=2.369 mas, bpa=37.04 degrees
! Estimated noise=1690.3 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0129468 Jy
! Component: 100  -  total flux cleaned = 0.0188462 Jy
! Component: 150  -  total flux cleaned = 0.0220758 Jy
! Component: 200  -  total flux cleaned = 0.0227108 Jy
! Total flux subtracted in 200 components = 0.0227108 Jy
! Clean residual min=-0.009866 max=0.018813 Jy/beam
! Clean residual mean=0.000715 rms=0.005678 Jy/beam
! Combined flux in latest and established models = 2.90616 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 = 0.000462163 Jy
! Component: 100  -  total flux cleaned = 0.000861537 Jy
! Component: 150  -  total flux cleaned = 0.00103812 Jy
! Component: 200  -  total flux cleaned = 0.00114799 Jy
! Total flux subtracted in 200 components = 0.00114799 Jy
! Clean residual min=-0.009829 max=0.018627 Jy/beam
! Clean residual mean=0.000699 rms=0.005645 Jy/beam
! Combined flux in latest and established models = 2.90731 Jy
! Adding 33 model components to the UV plane model.
! The established model now contains 73 components and 2.90731 Jy
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! Estimated beam: bmin=0.5702 mas, bmaj=1.282 mas, bpa=-12.82 degrees
! Estimated noise=1154.77 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000230888 Jy
! Component: 100  -  total flux cleaned = 0.000504528 Jy
! Component: 150  -  total flux cleaned = 0.000864275 Jy
! Component: 200  -  total flux cleaned = 0.000975539 Jy
! Total flux subtracted in 200 components = 0.000975539 Jy
! Clean residual min=-0.006506 max=0.010238 Jy/beam
! Clean residual mean=0.000183 rms=0.002229 Jy/beam
! Combined flux in latest and established models = 2.90829 Jy
selfcal
! Performing phase self-cal
! Adding 17 model components to the UV plane model.
! The established model now contains 85 components and 2.90829 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.666170Jy  sigma=0.001114
! Fit after  self-cal, rms=0.666380Jy  sigma=0.001113
wmodel J0237+2848_X_2008_07_09_pus_map.mod
! Writing 85 model components to file: J0237+2848_X_2008_07_09_pus_map.mod
wobs J0237+2848_X_2008_07_09_pus_uvs.fits
! Writing UV FITS file: J0237+2848_X_2008_07_09_pus_uvs.fits
wwins J0237+2848_X_2008_07_09_pus_map.win
! wwins: Wrote 3 windows to J0237+2848_X_2008_07_09_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 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! clean: niter=1024  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = 0.00415143 Jy
! Component: 100  -  total flux cleaned = 0.00753082 Jy
! Component: 150  -  total flux cleaned = 0.0101272 Jy
! Component: 200  -  total flux cleaned = 0.0119759 Jy
! Component: 250  -  total flux cleaned = 0.0132924 Jy
! Component: 300  -  total flux cleaned = 0.0146611 Jy
! Component: 350  -  total flux cleaned = 0.0158771 Jy
! Component: 400  -  total flux cleaned = 0.0169552 Jy
! Component: 450  -  total flux cleaned = 0.01809 Jy
! Component: 500  -  total flux cleaned = 0.0190954 Jy
! Component: 550  -  total flux cleaned = 0.0194517 Jy
! Component: 600  -  total flux cleaned = 0.0198854 Jy
! Component: 650  -  total flux cleaned = 0.0201404 Jy
! Component: 700  -  total flux cleaned = 0.0203898 Jy
! Component: 750  -  total flux cleaned = 0.020551 Jy
! Component: 800  -  total flux cleaned = 0.0204718 Jy
! Component: 850  -  total flux cleaned = 0.0203943 Jy
! Component: 900  -  total flux cleaned = 0.0200897 Jy
! Component: 950  -  total flux cleaned = 0.0199423 Jy
! Component: 1000  -  total flux cleaned = 0.0198693 Jy
! Total flux subtracted in 1024 components = 0.0197236 Jy
! Clean residual min=-0.004714 max=0.003908 Jy/beam
! Clean residual mean=0.000086 rms=0.001501 Jy/beam
! Combined flux in latest and established models = 2.92801 Jy
keep
! Adding 90 model components to the UV plane model.
! The established model now contains 175 components and 2.92801 Jy
wmap "J0237+2848_X_2008_07_09_pus\_map.fits"
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5702 x 1.282 at -12.82 degrees (North through East)
! Clean map  min=-0.00485  max=1.9838 Jy/beam
! Writing clean map to FITS file: J0237+2848_X_2008_07_09_pus_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 1.98375 
invert
! Inverting map 
! Your choice of large map pixels excluded 3.89% of the data.
!  The x-axis pixel size should ideally be below 0.1811 milli-arcsec
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00150154 
device "J0237+2848_X_2008_07_09_pus\_map.eps/VPS"
! Attempting to open device: 'J0237+2848_X_2008_07_09_pus_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.227076 0.227076 0.454152 0.908304 1.81661 3.63322 7.26643 14.5329 29.0657 58.1315
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0045 
print "peak=",int(1000*peak_flux)/1000
! peak= 1.983 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5702 x 1.282 at -12.82 degrees (North through East)
! Clean map  min=-0.00485  max=1.9838 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0237+2848_X_2008_07_09_pus\_map.gif/vgif"
! Attempting to open device: 'J0237+2848_X_2008_07_09_pus_map.gif/vgif'
mapplot cln
quit
! Quitting program
! Log file J0237+2848_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:17:28 2010