! Started logfile: /scr/pima/rv122_uvs/J1936+7131_X_dfm.log on Fri Jul 13 21:10:26 2018
float field_size
field_size =  1024
float field_cell
field_cell =   0.2000
float taper_size
taper_size =   70.0
float freq
freq       =    8.36575
obs     /scr/pima/rv122_uvs/J1936+7131_X_uva.fits
! Reading UV FITS file: /scr/pima/rv122_uvs/J1936+7131_X_uva.fits
! AN table 1: 67 integrations on 66 of 66 possible baselines.
! Apparent sampling: 0.431253 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1936+7131
! 
! 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  8.36575e+09        8e+06          1        8e+06
!  02        2  8.44575e+09        8e+06          1        8e+06
!  03        3  8.80575e+09        8e+06          1        8e+06
!  04        4  8.92575e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 69 lines of history.
! 
! Reading 7628 visibilities.
select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 
! Restricting channel ranges to the available 4 channels.
! 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 = 1024 
print "field_cell =", field_cell
! field_cell = 0.2 
print "taper_size =", taper_size
! taper_size = 70 
![@/opt64/bin/pima_mupet_01.dfm J1936+7131_X]
float lim_self
lim_self = 120.0
float lim_val
lim_va   = 1.2
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
print "==============================================================="
! =============================================================== 
! 
print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === "
! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 ===  
! 
mapsize field_size, field_cell
! Map grid = 1024x1024 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 374 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 374 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 374 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 374 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.040671Jy  sigma=17.049182
! Fit after  self-cal, rms=0.729051Jy  sigma=11.849273
! 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 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.5386 mas, bmaj=0.8964 mas, bpa=44.29 degrees
! Estimated noise=0.835064 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 = 0.202321 Jy
! Component: 100  -  total flux cleaned = 0.261704 Jy
! Total flux subtracted in 100 components = 0.261704 Jy
! Clean residual min=-0.007629 max=0.025498 Jy/beam
! Clean residual mean=-0.000013 rms=0.001629 Jy/beam
! Combined flux in latest and established models = 0.261704 Jy
! Performing phase self-cal
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.261704 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.096125Jy  sigma=1.476548
! Fit after  self-cal, rms=0.095903Jy  sigma=1.472460
! Inverting map 
! Your choice of large map pixels excluded 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0278629 Jy
! Component: 100  -  total flux cleaned = 0.0420685 Jy
! Total flux subtracted in 100 components = 0.0420685 Jy
! Clean residual min=-0.007113 max=0.013620 Jy/beam
! Clean residual mean=-0.000008 rms=0.001292 Jy/beam
! Combined flux in latest and established models = 0.303773 Jy
! Performing phase self-cal
! Adding 7 model components to the UV plane model.
! The established model now contains 9 components and 0.303773 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082668Jy  sigma=1.210422
! Fit after  self-cal, rms=0.082563Jy  sigma=1.207917
! Inverting map 
! Your choice of large map pixels excluded 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Added new window around map position (0, -1.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0126329 Jy
! Component: 100  -  total flux cleaned = 0.0205394 Jy
! Total flux subtracted in 100 components = 0.0205394 Jy
! Clean residual min=-0.007042 max=0.008435 Jy/beam
! Clean residual mean=-0.000006 rms=0.001195 Jy/beam
! Combined flux in latest and established models = 0.324312 Jy
! Performing phase self-cal
! Adding 11 model components to the UV plane model.
! The established model now contains 17 components and 0.324312 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079715Jy  sigma=1.139796
! Fit after  self-cal, rms=0.079408Jy  sigma=1.135490
! Inverting map 
! Your choice of large map pixels excluded 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6267 mas, bmaj=1.046 mas, bpa=47.63 degrees
! Estimated noise=0.554836 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 = 0.0136068 Jy
! Component: 100  -  total flux cleaned = 0.0209433 Jy
! Component: 150  -  total flux cleaned = 0.0254183 Jy
! Component: 200  -  total flux cleaned = 0.0282249 Jy
! Total flux subtracted in 200 components = 0.0282249 Jy
! Clean residual min=-0.006671 max=0.005724 Jy/beam
! Clean residual mean=-0.000016 rms=0.001398 Jy/beam
! Combined flux in latest and established models = 0.352537 Jy
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 27 components and 0.352537 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077365Jy  sigma=1.088095
! Fit after  self-cal, rms=0.077229Jy  sigma=1.086237
! Inverting map 
! Your choice of large map pixels excluded 2.14% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6267 x 1.046 at 47.63 degrees (North through East)
! Clean map  min=-0.0058972  max=0.27071 Jy/beam
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        1.00     FD        0.95     HN        0.99     KP        1.10     
!   LA        1.05     MK        0.99     NY        0.94     ON        0.93     
!   OV        1.00     PT        0.88     SC        1.07     WZ        0.99     
! 
! 
! Correcting IF 2.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.95     HN        1.02     KP        1.08     
!   LA        1.06     MK        1.00     NY        0.94     ON        0.96     
!   OV        1.01     PT        0.87     SC        1.07     WZ        1.00     
! 
! 
! 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        0.96     HN        1.05     KP        1.11     
!   LA        1.07     MK        1.01     NY        0.95     ON        0.97     
!   OV        1.00     PT        0.91     SC        1.05     WZ        1.02     
! 
! 
! Correcting IF 4.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.95     HN        1.06     KP        1.12     
!   LA        1.09     MK        1.01     NY        0.94     ON        0.96     
!   OV        0.99     PT        0.90     SC        1.05     WZ        1.03     
! 
! 
! Fit before self-cal, rms=0.077229Jy  sigma=1.086237
! Fit after  self-cal, rms=0.072059Jy  sigma=1.009013
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6189 mas, bmaj=1.061 mas, bpa=47.85 degrees
! Estimated noise=0.560525 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 (0.8, -2.4).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00207152 Jy
! Component: 100  -  total flux cleaned = 0.00230318 Jy
! Component: 150  -  total flux cleaned = 0.00257923 Jy
! Component: 200  -  total flux cleaned = 0.00272845 Jy
! Total flux subtracted in 200 components = 0.00272845 Jy
! Clean residual min=-0.003336 max=0.003498 Jy/beam
! Clean residual mean=-0.000016 rms=0.000698 Jy/beam
! Combined flux in latest and established models = 0.355265 Jy
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 50 components and 0.355265 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.071734Jy  sigma=1.003139
! Fit after  self-cal, rms=0.071709Jy  sigma=1.002396
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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=0.071709Jy  sigma=1.002396
! Fit after  self-cal, rms=0.070446Jy  sigma=0.980920
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6174 mas, bmaj=1.06 mas, bpa=47.99 degrees
! Estimated noise=0.561335 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00180599 Jy
! Component: 100  -  total flux cleaned = 0.0023971 Jy
! Component: 150  -  total flux cleaned = 0.00278893 Jy
! Component: 200  -  total flux cleaned = 0.00310024 Jy
! Total flux subtracted in 200 components = 0.00310024 Jy
! Clean residual min=-0.002319 max=0.002402 Jy/beam
! Clean residual mean=-0.000001 rms=0.000594 Jy/beam
! Combined flux in latest and established models = 0.358366 Jy
selfcal
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 59 components and 0.358366 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070326Jy  sigma=0.978965
! Fit after  self-cal, rms=0.070300Jy  sigma=0.978624
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 = 2.84237e-05 Jy
! Component: 100  -  total flux cleaned = 0.000260855 Jy
! Component: 150  -  total flux cleaned = 0.000514344 Jy
! Component: 200  -  total flux cleaned = 0.000676258 Jy
! Total flux subtracted in 200 components = 0.000676258 Jy
! Clean residual min=-0.002318 max=0.002356 Jy/beam
! Clean residual mean=-0.000000 rms=0.000591 Jy/beam
! Combined flux in latest and established models = 0.359042 Jy
! Performing phase self-cal
! Adding 19 model components to the UV plane model.
! The established model now contains 67 components and 0.359042 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070263Jy  sigma=0.977959
! Fit after  self-cal, rms=0.070250Jy  sigma=0.977797
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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=0.070250Jy  sigma=0.977797
! Fit after  self-cal, rms=0.070054Jy  sigma=0.977315
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6159 mas, bmaj=1.061 mas, bpa=47.94 degrees
! Estimated noise=0.56155 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000977253 Jy
! Component: 100  -  total flux cleaned = 0.00128664 Jy
! Component: 150  -  total flux cleaned = 0.00154307 Jy
! Component: 200  -  total flux cleaned = 0.00167875 Jy
! Total flux subtracted in 200 components = 0.00167875 Jy
! Clean residual min=-0.002284 max=0.002382 Jy/beam
! Clean residual mean=-0.000000 rms=0.000572 Jy/beam
! Combined flux in latest and established models = 0.360721 Jy
selfcal
! Performing phase self-cal
! Adding 21 model components to the UV plane model.
! The established model now contains 73 components and 0.360721 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070011Jy  sigma=0.976563
! Fit after  self-cal, rms=0.069998Jy  sigma=0.976438
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 = 7.92096e-05 Jy
! Component: 100  -  total flux cleaned = 0.000252791 Jy
! Component: 150  -  total flux cleaned = 0.000325218 Jy
! Component: 200  -  total flux cleaned = 0.000324498 Jy
! Total flux subtracted in 200 components = 0.000324498 Jy
! Clean residual min=-0.002290 max=0.002373 Jy/beam
! Clean residual mean=-0.000000 rms=0.000571 Jy/beam
! Combined flux in latest and established models = 0.361045 Jy
! Performing phase self-cal
! Adding 19 model components to the UV plane model.
! The established model now contains 74 components and 0.361045 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069977Jy  sigma=0.976044
! Fit after  self-cal, rms=0.069969Jy  sigma=0.975942
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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=0.069969Jy  sigma=0.975942
! Fit after  self-cal, rms=0.069912Jy  sigma=0.975789
clean clean_niter,clean_gain
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=2.682 mas, bmaj=3.25 mas, bpa=-75.02 degrees
! Estimated noise=0.804163 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000960841 Jy
! Component: 100  -  total flux cleaned = 0.00105647 Jy
! Component: 150  -  total flux cleaned = 0.00104674 Jy
! Component: 200  -  total flux cleaned = 0.00105686 Jy
! Total flux subtracted in 200 components = 0.00105686 Jy
! Clean residual min=-0.002763 max=0.002805 Jy/beam
! Clean residual mean=-0.000000 rms=0.000821 Jy/beam
! Combined flux in latest and established models = 0.362102 Jy
selfcal
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 82 components and 0.362102 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069901Jy  sigma=0.975532
! Fit after  self-cal, rms=0.069895Jy  sigma=0.975495
flux_cutoff = imstat(rms) * dynam
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 = 0.000113527 Jy
! Component: 100  -  total flux cleaned = 0.000124897 Jy
! Component: 150  -  total flux cleaned = 0.000106234 Jy
! Component: 200  -  total flux cleaned = 0.000106853 Jy
! Total flux subtracted in 200 components = 0.000106853 Jy
! Clean residual min=-0.002764 max=0.002811 Jy/beam
! Clean residual mean=0.000000 rms=0.000821 Jy/beam
! Combined flux in latest and established models = 0.362209 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 82 components and 0.362209 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069894Jy  sigma=0.975402
! Fit after  self-cal, rms=0.069890Jy  sigma=0.975383
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6149 mas, bmaj=1.061 mas, bpa=47.9 degrees
! Estimated noise=0.561993 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6149 x 1.061 at 47.9 degrees (North through East)
! Clean map  min=-0.0018244  max=0.2697 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 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.5267 mas, bmaj=0.9093 mas, bpa=45.04 degrees
! Estimated noise=0.863908 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.207081 Jy
! Component: 100  -  total flux cleaned = 0.268667 Jy
! Component: 150  -  total flux cleaned = 0.296182 Jy
! Component: 200  -  total flux cleaned = 0.313461 Jy
! Total flux subtracted in 200 components = 0.313461 Jy
! Clean residual min=-0.004781 max=0.009508 Jy/beam
! Clean residual mean=-0.000006 rms=0.001047 Jy/beam
! Combined flux in latest and established models = 0.313461 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 0.313461 Jy
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6149 mas, bmaj=1.061 mas, bpa=47.9 degrees
! Estimated noise=0.561993 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 = 0.0191076 Jy
! Component: 100  -  total flux cleaned = 0.0302849 Jy
! Component: 150  -  total flux cleaned = 0.0372172 Jy
! Component: 200  -  total flux cleaned = 0.0416051 Jy
! Total flux subtracted in 200 components = 0.0416051 Jy
! Clean residual min=-0.002476 max=0.002914 Jy/beam
! Clean residual mean=-0.000004 rms=0.000611 Jy/beam
! Combined flux in latest and established models = 0.355066 Jy
! Adding 28 model components to the UV plane model.
! The established model now contains 31 components and 0.355066 Jy
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Added new window around map position (-21.2, -38.8).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00309306 Jy
! Component: 100  -  total flux cleaned = 0.00484786 Jy
! Component: 150  -  total flux cleaned = 0.00553024 Jy
! Component: 200  -  total flux cleaned = 0.00581653 Jy
! Total flux subtracted in 200 components = 0.00581653 Jy
! Clean residual min=-0.002326 max=0.002509 Jy/beam
! Clean residual mean=-0.000000 rms=0.000565 Jy/beam
! Combined flux in latest and established models = 0.360883 Jy
! Adding 23 model components to the UV plane model.
! The established model now contains 42 components and 0.360883 Jy
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Added new window around map position (-23.4, -47.4).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00108358 Jy
! Component: 100  -  total flux cleaned = 0.00135142 Jy
! Component: 150  -  total flux cleaned = 0.00164184 Jy
! Component: 200  -  total flux cleaned = 0.00182122 Jy
! Total flux subtracted in 200 components = 0.00182122 Jy
! Clean residual min=-0.002291 max=0.002363 Jy/beam
! Clean residual mean=-0.000000 rms=0.000554 Jy/beam
! Combined flux in latest and established models = 0.362704 Jy
! Adding 30 model components to the UV plane model.
! The established model now contains 59 components and 0.362704 Jy
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Added new window around map position (40, -38.4).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00214615 Jy
! Component: 100  -  total flux cleaned = 0.00241656 Jy
! Component: 150  -  total flux cleaned = 0.00254215 Jy
! Component: 200  -  total flux cleaned = 0.00269881 Jy
! Total flux subtracted in 200 components = 0.00269881 Jy
! Clean residual min=-0.002251 max=0.002197 Jy/beam
! Clean residual mean=-0.000002 rms=0.000537 Jy/beam
! Combined flux in latest and established models = 0.365403 Jy
! Adding 38 model components to the UV plane model.
! The established model now contains 73 components and 0.365403 Jy
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 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 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=2.682 mas, bmaj=3.25 mas, bpa=-75.02 degrees
! Estimated noise=0.804163 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000996192 Jy
! Component: 100  -  total flux cleaned = 0.00143737 Jy
! Component: 150  -  total flux cleaned = 0.0017198 Jy
! Component: 200  -  total flux cleaned = 0.00189177 Jy
! Total flux subtracted in 200 components = 0.00189177 Jy
! Clean residual min=-0.002586 max=0.002517 Jy/beam
! Clean residual mean=-0.000006 rms=0.000711 Jy/beam
! Combined flux in latest and established models = 0.367294 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 = 0.000153546 Jy
! Component: 100  -  total flux cleaned = 0.000290176 Jy
! Component: 150  -  total flux cleaned = 0.000378037 Jy
! Component: 200  -  total flux cleaned = 0.000458132 Jy
! Total flux subtracted in 200 components = 0.000458132 Jy
! Clean residual min=-0.002580 max=0.002544 Jy/beam
! Clean residual mean=-0.000006 rms=0.000706 Jy/beam
! Combined flux in latest and established models = 0.367753 Jy
! Adding 28 model components to the UV plane model.
! The established model now contains 99 components and 0.367753 Jy
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! Estimated beam: bmin=0.6149 mas, bmaj=1.061 mas, bpa=47.9 degrees
! Estimated noise=0.561993 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00075606 Jy
! Component: 100  -  total flux cleaned = -0.000937584 Jy
! Component: 150  -  total flux cleaned = -0.000903633 Jy
! Component: 200  -  total flux cleaned = -0.000936788 Jy
! Total flux subtracted in 200 components = -0.000936788 Jy
! Clean residual min=-0.002270 max=0.002144 Jy/beam
! Clean residual mean=-0.000002 rms=0.000531 Jy/beam
! Combined flux in latest and established models = 0.366816 Jy
selfcal
! Performing phase self-cal
! Adding 34 model components to the UV plane model.
! The established model now contains 119 components and 0.366816 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069737Jy  sigma=0.973143
! Fit after  self-cal, rms=0.069670Jy  sigma=0.972269
wmodel J1936+7131_X_map.mod
! Writing 119 model components to file: J1936+7131_X_map.mod
wobs   J1936+7131_X_uvs.fits
! Writing UV FITS file: J1936+7131_X_uvs.fits
wwins  J1936+7131_X_map.win
! wwins: Wrote 6 windows to J1936+7131_X_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 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! clean: niter=4096  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = 5.12779e-05 Jy
! Component: 100  -  total flux cleaned = -0.000222467 Jy
! Component: 150  -  total flux cleaned = -0.0002605 Jy
! Component: 200  -  total flux cleaned = -0.000185982 Jy
! Component: 250  -  total flux cleaned = -0.000221984 Jy
! Component: 300  -  total flux cleaned = -5.68226e-06 Jy
! Component: 350  -  total flux cleaned = 2.96002e-05 Jy
! Component: 400  -  total flux cleaned = 6.49949e-05 Jy
! Component: 450  -  total flux cleaned = 9.98468e-05 Jy
! Component: 500  -  total flux cleaned = 0.000100198 Jy
! Component: 550  -  total flux cleaned = 0.00023604 Jy
! Component: 600  -  total flux cleaned = 0.00026908 Jy
! Component: 650  -  total flux cleaned = 0.00026887 Jy
! Component: 700  -  total flux cleaned = 0.000169844 Jy
! Component: 750  -  total flux cleaned = 0.000202609 Jy
! Component: 800  -  total flux cleaned = 0.000267589 Jy
! Component: 850  -  total flux cleaned = 0.000267416 Jy
! Component: 900  -  total flux cleaned = 0.000235245 Jy
! Component: 950  -  total flux cleaned = 0.000266904 Jy
! Component: 1000  -  total flux cleaned = 0.000329625 Jy
! Component: 1050  -  total flux cleaned = 0.000329583 Jy
! Component: 1100  -  total flux cleaned = 0.000360237 Jy
! Component: 1150  -  total flux cleaned = 0.000421361 Jy
! Component: 1200  -  total flux cleaned = 0.000421246 Jy
! Component: 1250  -  total flux cleaned = 0.000421291 Jy
! Component: 1300  -  total flux cleaned = 0.000361007 Jy
! Component: 1350  -  total flux cleaned = 0.000481101 Jy
! Component: 1400  -  total flux cleaned = 0.000510467 Jy
! Component: 1450  -  total flux cleaned = 0.000569663 Jy
! Component: 1500  -  total flux cleaned = 0.000658233 Jy
! Component: 1550  -  total flux cleaned = 0.000482081 Jy
! Component: 1600  -  total flux cleaned = 0.000715621 Jy
! Component: 1650  -  total flux cleaned = 0.000744626 Jy
! Component: 1700  -  total flux cleaned = 0.000744861 Jy
! Component: 1750  -  total flux cleaned = 0.000888022 Jy
! Component: 1800  -  total flux cleaned = 0.000887916 Jy
! Component: 1850  -  total flux cleaned = 0.000972983 Jy
! Component: 1900  -  total flux cleaned = 0.00114285 Jy
! Component: 1950  -  total flux cleaned = 0.00122701 Jy
! Component: 2000  -  total flux cleaned = 0.00131092 Jy
! Component: 2050  -  total flux cleaned = 0.00147815 Jy
! Component: 2100  -  total flux cleaned = 0.0013949 Jy
! Component: 2150  -  total flux cleaned = 0.00153291 Jy
! Component: 2200  -  total flux cleaned = 0.00161541 Jy
! Component: 2250  -  total flux cleaned = 0.00183419 Jy
! Component: 2300  -  total flux cleaned = 0.00183408 Jy
! Component: 2350  -  total flux cleaned = 0.00199666 Jy
! Component: 2400  -  total flux cleaned = 0.00210479 Jy
! Component: 2450  -  total flux cleaned = 0.00207787 Jy
! Component: 2500  -  total flux cleaned = 0.00215789 Jy
! Component: 2550  -  total flux cleaned = 0.00205138 Jy
! Component: 2600  -  total flux cleaned = 0.00223735 Jy
! Component: 2650  -  total flux cleaned = 0.00226388 Jy
! Component: 2700  -  total flux cleaned = 0.00236922 Jy
! Component: 2750  -  total flux cleaned = 0.00244789 Jy
! Component: 2800  -  total flux cleaned = 0.00252629 Jy
! Component: 2850  -  total flux cleaned = 0.00242219 Jy
! Component: 2900  -  total flux cleaned = 0.00260341 Jy
! Component: 2950  -  total flux cleaned = 0.00268065 Jy
! Component: 3000  -  total flux cleaned = 0.00278347 Jy
! Component: 3050  -  total flux cleaned = 0.00252747 Jy
! Component: 3100  -  total flux cleaned = 0.00260392 Jy
! Component: 3150  -  total flux cleaned = 0.00280724 Jy
! Component: 3200  -  total flux cleaned = 0.00283272 Jy
! Component: 3250  -  total flux cleaned = 0.00283273 Jy
! Component: 3300  -  total flux cleaned = 0.00268182 Jy
! Component: 3350  -  total flux cleaned = 0.00265692 Jy
! Component: 3400  -  total flux cleaned = 0.00265701 Jy
! Component: 3450  -  total flux cleaned = 0.00275627 Jy
! Component: 3500  -  total flux cleaned = 0.0027564 Jy
! Component: 3550  -  total flux cleaned = 0.00280587 Jy
! Component: 3600  -  total flux cleaned = 0.00280582 Jy
! Component: 3650  -  total flux cleaned = 0.00290388 Jy
! Component: 3700  -  total flux cleaned = 0.00285499 Jy
! Component: 3750  -  total flux cleaned = 0.00283053 Jy
! Component: 3800  -  total flux cleaned = 0.00292777 Jy
! Component: 3850  -  total flux cleaned = 0.00292779 Jy
! Component: 3900  -  total flux cleaned = 0.00292788 Jy
! Component: 3950  -  total flux cleaned = 0.00285576 Jy
! Component: 4000  -  total flux cleaned = 0.0030236 Jy
! Component: 4050  -  total flux cleaned = 0.00307152 Jy
! Total flux subtracted in 4096 components = 0.00314306 Jy
! Clean residual min=-0.001314 max=0.001353 Jy/beam
! Clean residual mean=-0.000002 rms=0.000397 Jy/beam
! Combined flux in latest and established models = 0.369959 Jy
keep
! Adding 362 model components to the UV plane model.
! The established model now contains 481 components and 0.369959 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /scr/pima/rv122_uvs/J1936+7131_X_map.fits
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6149 x 1.061 at 47.9 degrees (North through East)
! Clean map  min=-0.0018405  max=0.26943 Jy/beam
! Writing clean map to FITS file: /scr/pima/rv122_uvs/J1936+7131_X_map.fits
wmodel /scr/pima/rv122_uvs/J1936+7131_X_map.mod
! Writing 481 model components to file: /scr/pima/rv122_uvs/J1936+7131_X_map.mod
wobs   /scr/pima/rv122_uvs/J1936+7131_X_uvs.fits
! Writing UV FITS file: /scr/pima/rv122_uvs/J1936+7131_X_uvs.fits
wwins  /scr/pima/rv122_uvs/J1936+7131_X_map.win
! wwins: Wrote 7 windows to /scr/pima/rv122_uvs/J1936+7131_X_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.269435 
invert
! Inverting map 
! Your choice of large map pixels excluded 2.23% of the data.
!  The y-axis pixel size should ideally be below 0.1719 milli-arcsec
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000396767 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.441777 0.441777 0.883555 1.76711 3.53422 7.06844 14.1369 28.2738 56.5475
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0011 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.269 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  679.074 
quit
! Quitting program
! Log file /scr/pima/rv122_uvs/J1936+7131_X_dfm.log closed on Fri Jul 13 21:10:30 2018