! Started logfile: /vlbi/uf001/uva//J1957+3427_X_dfm.log on Mon Jan 14 05:18:15 2019
float field_size
field_size =  1024
float field_cell
field_cell =   0.2000
float taper_size
taper_size =   70.0
float freq
freq       =    8.42800
obs     /vlbi/uf001/uva//J1957+3427_X_uva.fits
! Reading UV FITS file: /vlbi/uf001/uva//J1957+3427_X_uva.fits
! AN table 1: 87 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.932822 visibilities/baseline/integration-bin.
! Found source: J1957+3427
! 
! There are 12 IFs, and a total of 12 channels:
! 
!  IF  Channel    Frequency  Freq offset  Number of   Overall IF
!       origin    at origin  per channel   channels    bandwidth
!  ------------------------------------------------------------- (Hz)
!  01        1    8.428e+09      3.2e+07          1      3.2e+07
!  02        2     8.46e+09      3.2e+07          1      3.2e+07
!  03        3    8.492e+09      3.2e+07          1      3.2e+07
!  04        4    8.524e+09      3.2e+07          1      3.2e+07
!  05        5    8.588e+09      3.2e+07          1      3.2e+07
!  06        6     8.62e+09      3.2e+07          1      3.2e+07
!  07        7    8.684e+09      3.2e+07          1      3.2e+07
!  08        8    8.716e+09      3.2e+07          1      3.2e+07
!  09        9     8.78e+09      3.2e+07          1      3.2e+07
!  10       10    8.812e+09      3.2e+07          1      3.2e+07
!  11       11    8.844e+09      3.2e+07          1      3.2e+07
!  12       12    8.876e+09      3.2e+07          1      3.2e+07
! 
! Polarization(s): RR
! 
! Read 134 lines of history.
! 
! Reading 43824 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 12 channels.
! Selecting polarization: RR,  channels: 1..12
! Reading IF 1 channels: 1..1
! Reading IF 2 channels: 2..2
! Reading IF 3 channels: 3..3
! Reading IF 4 channels: 4..4
! Reading IF 5 channels: 5..5
! Reading IF 6 channels: 6..6
! Reading IF 7 channels: 7..7
! Reading IF 8 channels: 8..8
! Reading IF 9 channels: 9..9
! Reading IF 10 channels: 10..10
! Reading IF 11 channels: 11..11
! Reading IF 12 channels: 12..12
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 J1957+3427_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 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 5.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 6.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 7.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 8.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 9.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 10.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 11.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 12.
!  A total of 58 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.003055Jy  sigma=24.070662
! Fit after  self-cal, rms=0.955681Jy  sigma=22.936670
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvw 2,-1
! Uniform weighting binwidth: 2 (pixels).
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7152 mas, bmaj=1.268 mas, bpa=-8.353 degrees
! Estimated noise=0.332449 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 = 0.0343399 Jy
! Component: 100  -  total flux cleaned = 0.0420499 Jy
! Total flux subtracted in 100 components = 0.0420499 Jy
! Clean residual min=-0.002423 max=0.002560 Jy/beam
! Clean residual mean=-0.000002 rms=0.000522 Jy/beam
! Combined flux in latest and established models = 0.0420499 Jy
! Performing phase self-cal
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 0.0420499 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.056126Jy  sigma=1.262668
! Fit after  self-cal, rms=0.054506Jy  sigma=1.223234
! Inverting map 
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00398648 Jy
! Component: 100  -  total flux cleaned = 0.00575804 Jy
! Total flux subtracted in 100 components = 0.00575804 Jy
! Clean residual min=-0.002212 max=0.002134 Jy/beam
! Clean residual mean=-0.000001 rms=0.000472 Jy/beam
! Combined flux in latest and established models = 0.0478079 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 17 components and 0.0478079 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.054126Jy  sigma=1.214110
! Fit after  self-cal, rms=0.054125Jy  sigma=1.213943
! Inverting map 
print "============== Finished uniform weighting clean ==============="
! ============== Finished uniform weighting clean =============== 
! 
uvw 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
win_mult = win_mult * 1.6
clean_niter = clean_niter * 2
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9528 mas, bmaj=1.578 mas, bpa=-8.024 degrees
! Estimated noise=0.145371 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, 2.6).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00222461 Jy
! Component: 100  -  total flux cleaned = 0.00360826 Jy
! Component: 150  -  total flux cleaned = 0.00463356 Jy
! Component: 200  -  total flux cleaned = 0.00541176 Jy
! Total flux subtracted in 200 components = 0.00541176 Jy
! Clean residual min=-0.001463 max=0.002023 Jy/beam
! Clean residual mean=-0.000005 rms=0.000356 Jy/beam
! Combined flux in latest and established models = 0.0532197 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 38 components and 0.0532197 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.054019Jy  sigma=1.211270
! Fit after  self-cal, rms=0.054012Jy  sigma=1.210932
! Inverting map 
! Added new window around map position (-4.6, -6).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00177511 Jy
! Component: 100  -  total flux cleaned = 0.00280274 Jy
! Component: 150  -  total flux cleaned = 0.00353772 Jy
! Component: 200  -  total flux cleaned = 0.004055 Jy
! Total flux subtracted in 200 components = 0.004055 Jy
! Clean residual min=-0.001422 max=0.001772 Jy/beam
! Clean residual mean=-0.000003 rms=0.000321 Jy/beam
! Combined flux in latest and established models = 0.0572747 Jy
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 55 components and 0.0572747 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.053944Jy  sigma=1.209146
! Fit after  self-cal, rms=0.053936Jy  sigma=1.208959
! Inverting map 
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9528 x 1.578 at -8.024 degrees (North through East)
! Clean map  min=-0.0013635  max=0.047517 Jy/beam
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.12     FD        1.06     HN        1.02     KP        1.00     
!   LA        1.00     MK        1.07     NL        1.13     OV        0.98     
!   PT        0.82     SC        0.95     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.00     HN        0.98     KP        1.02     
!   LA        0.97     MK        1.12     NL        1.14     OV        0.94     
!   PT        0.88     SC        0.98     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.03     HN        0.95     KP        0.98     
!   LA        0.99     MK        1.04     NL        1.14     OV        0.92     
!   PT        0.87     SC        1.03     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.10     FD        1.03     HN        0.93     KP        1.03     
!   LA        0.98     MK        1.03     NL        1.14     OV        0.93     
!   PT        0.87     SC        1.08     
! 
! 
! Correcting IF 5.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        1.02     HN        1.00     KP        1.03     
!   LA        1.02     MK        1.04     NL        1.16     OV        0.93     
!   PT        0.83     SC        0.89     
! 
! 
! Correcting IF 6.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        1.06     HN        0.96     KP        1.01     
!   LA        1.01     MK        0.98     NL        1.16     OV        0.96     
!   PT        0.83     SC        0.99     
! 
! 
! Correcting IF 7.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.99     HN        0.92     KP        1.05     
!   LA        1.00     MK        1.02     NL        1.09     OV        0.94     
!   PT        0.88     SC        0.97     
! 
! 
! Correcting IF 8.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.96     HN        0.96     KP        1.06     
!   LA        1.02     MK        1.05     NL        1.13     OV        0.90     
!   PT        0.83     SC        0.99     
! 
! 
! Correcting IF 9.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.98     HN        0.92     KP        1.01     
!   LA        1.05     MK        1.00     NL        1.13     OV        0.93     
!   PT        0.85     SC        1.03     
! 
! 
! Correcting IF 10.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.98     HN        0.93     KP        0.97     
!   LA        1.02     MK        1.05     NL        1.12     OV        0.90     
!   PT        0.86     SC        0.93     
! 
! 
! Correcting IF 11.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.01     HN        0.94     KP        1.04     
!   LA        1.03     MK        0.99     NL        1.18     OV        0.93     
!   PT        0.86     SC        0.93     
! 
! 
! Correcting IF 12.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.00     HN        0.90     KP        0.99     
!   LA        1.01     MK        0.95     NL        1.27     OV        0.92     
!   PT        0.89     SC        0.92     
! 
! 
! Fit before self-cal, rms=0.053936Jy  sigma=1.208959
! Fit after  self-cal, rms=0.052551Jy  sigma=1.201451
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.956 mas, bmaj=1.584 mas, bpa=-7.49 degrees
! Estimated noise=0.144635 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 = -6.18409e-05 Jy
! Component: 100  -  total flux cleaned = 0.000109399 Jy
! Component: 150  -  total flux cleaned = 0.000239016 Jy
! Component: 200  -  total flux cleaned = 0.000269511 Jy
! Total flux subtracted in 200 components = 0.000269511 Jy
! Clean residual min=-0.000705 max=0.000723 Jy/beam
! Clean residual mean=0.000001 rms=0.000173 Jy/beam
! Combined flux in latest and established models = 0.0575442 Jy
! Performing phase self-cal
! Adding 19 model components to the UV plane model.
! The established model now contains 71 components and 0.0575442 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052531Jy  sigma=1.200983
! Fit after  self-cal, rms=0.052565Jy  sigma=1.200379
! Inverting map 
selfcal true, true, soltime1
! Performing amp+phase self-cal over 120 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052565Jy  sigma=1.200379
! Fit after  self-cal, rms=0.052863Jy  sigma=1.198349
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=0.9544 mas, bmaj=1.591 mas, bpa=-7.923 degrees
! Estimated noise=0.144336 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -6.17193e-05 Jy
! Component: 100  -  total flux cleaned = -3.39091e-05 Jy
! Component: 150  -  total flux cleaned = 2.62814e-05 Jy
! Component: 200  -  total flux cleaned = 6.84476e-05 Jy
! Total flux subtracted in 200 components = 6.84476e-05 Jy
! Clean residual min=-0.000641 max=0.000680 Jy/beam
! Clean residual mean=0.000001 rms=0.000159 Jy/beam
! Combined flux in latest and established models = 0.0576126 Jy
selfcal
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 87 components and 0.0576126 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052855Jy  sigma=1.198187
! Fit after  self-cal, rms=0.052882Jy  sigma=1.198040
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -5.22827e-05 Jy
! Component: 100  -  total flux cleaned = -1.26078e-05 Jy
! Component: 150  -  total flux cleaned = -1.24111e-05 Jy
! Component: 200  -  total flux cleaned = 4.40849e-06 Jy
! Total flux subtracted in 200 components = 4.40849e-06 Jy
! Clean residual min=-0.000649 max=0.000652 Jy/beam
! Clean residual mean=0.000001 rms=0.000158 Jy/beam
! Combined flux in latest and established models = 0.057617 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 91 components and 0.057617 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052878Jy  sigma=1.197971
! Fit after  self-cal, rms=0.052879Jy  sigma=1.197967
! Inverting map 
selfcal true, true, soltime2
! Performing amp+phase self-cal over 20 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052879Jy  sigma=1.197967
! Fit after  self-cal, rms=0.052920Jy  sigma=1.197924
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=0.954 mas, bmaj=1.591 mas, bpa=-7.98 degrees
! Estimated noise=0.144191 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000142995 Jy
! Component: 100  -  total flux cleaned = -0.000142481 Jy
! Component: 150  -  total flux cleaned = -0.000142373 Jy
! Component: 200  -  total flux cleaned = -0.000142226 Jy
! Total flux subtracted in 200 components = -0.000142226 Jy
! Clean residual min=-0.000635 max=0.000662 Jy/beam
! Clean residual mean=0.000001 rms=0.000156 Jy/beam
! Combined flux in latest and established models = 0.0574748 Jy
selfcal
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 95 components and 0.0574748 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052917Jy  sigma=1.197863
! Fit after  self-cal, rms=0.052922Jy  sigma=1.197855
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (-31.4, 5.4).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000296465 Jy
! Component: 100  -  total flux cleaned = 0.000413607 Jy
! Component: 150  -  total flux cleaned = 0.000519186 Jy
! Component: 200  -  total flux cleaned = 0.000536597 Jy
! Total flux subtracted in 200 components = 0.000536597 Jy
! Clean residual min=-0.000641 max=0.000626 Jy/beam
! Clean residual mean=0.000001 rms=0.000152 Jy/beam
! Combined flux in latest and established models = 0.0580114 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 105 components and 0.0580114 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052912Jy  sigma=1.197671
! Fit after  self-cal, rms=0.052911Jy  sigma=1.197638
! Inverting map 
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.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052911Jy  sigma=1.197638
! Fit after  self-cal, rms=0.052915Jy  sigma=1.197615
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=2.208 mas, bmaj=2.597 mas, bpa=-6.438 degrees
! Estimated noise=0.178086 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000125785 Jy
! Component: 100  -  total flux cleaned = 0.000136606 Jy
! Component: 150  -  total flux cleaned = 0.000145849 Jy
! Component: 200  -  total flux cleaned = 0.00014603 Jy
! Total flux subtracted in 200 components = 0.00014603 Jy
! Clean residual min=-0.000694 max=0.000752 Jy/beam
! Clean residual mean=0.000002 rms=0.000183 Jy/beam
! Combined flux in latest and established models = 0.0581574 Jy
selfcal
! Performing phase self-cal
! Adding 21 model components to the UV plane model.
! The established model now contains 121 components and 0.0581575 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052913Jy  sigma=1.197579
! Fit after  self-cal, rms=0.052913Jy  sigma=1.197572
flux_cutoff = imstat(rms) * dynam
! Inverting map 
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 5.22608e-05 Jy
! Component: 100  -  total flux cleaned = 5.20146e-05 Jy
! Component: 150  -  total flux cleaned = 5.86807e-05 Jy
! Component: 200  -  total flux cleaned = 7.06898e-05 Jy
! Total flux subtracted in 200 components = 7.06898e-05 Jy
! Clean residual min=-0.000660 max=0.000735 Jy/beam
! Clean residual mean=0.000002 rms=0.000181 Jy/beam
! Combined flux in latest and established models = 0.0582281 Jy
! Performing phase self-cal
! Adding 19 model components to the UV plane model.
! The established model now contains 129 components and 0.0582281 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052912Jy  sigma=1.197563
! Fit after  self-cal, rms=0.052912Jy  sigma=1.197558
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
win_mult = win_mult / 1.2
print "============== Finished amplitude self-cal =============="
! ============== Finished amplitude self-cal ============== 
restore
! Inverting map and beam 
! Estimated beam: bmin=0.954 mas, bmaj=1.591 mas, bpa=-8.013 degrees
! Estimated noise=0.144185 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.954 x 1.591 at -8.013 degrees (North through East)
! Clean map  min=-0.00066095  max=0.047149 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 
! Estimated beam: bmin=0.7137 mas, bmaj=1.279 mas, bpa=-8.516 degrees
! Estimated noise=0.329911 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0355219 Jy
! Component: 100  -  total flux cleaned = 0.043791 Jy
! Component: 150  -  total flux cleaned = 0.0466847 Jy
! Component: 200  -  total flux cleaned = 0.0486939 Jy
! Total flux subtracted in 200 components = 0.0486939 Jy
! Clean residual min=-0.001734 max=0.001737 Jy/beam
! Clean residual mean=-0.000000 rms=0.000405 Jy/beam
! Combined flux in latest and established models = 0.0486939 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 17 model components to the UV plane model.
! The established model now contains 17 components and 0.0486939 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.954 mas, bmaj=1.591 mas, bpa=-8.013 degrees
! Estimated noise=0.144185 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 = 0.00220563 Jy
! Component: 100  -  total flux cleaned = 0.00353186 Jy
! Component: 150  -  total flux cleaned = 0.0045723 Jy
! Component: 200  -  total flux cleaned = 0.00542618 Jy
! Total flux subtracted in 200 components = 0.00542618 Jy
! Clean residual min=-0.000769 max=0.000854 Jy/beam
! Clean residual mean=-0.000001 rms=0.000176 Jy/beam
! Combined flux in latest and established models = 0.0541201 Jy
! Adding 30 model components to the UV plane model.
! The established model now contains 45 components and 0.0541201 Jy
! Inverting map 
! Added new window around map position (-1.8, 2.2).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000744716 Jy
! Component: 100  -  total flux cleaned = 0.00126963 Jy
! Component: 150  -  total flux cleaned = 0.00170944 Jy
! Component: 200  -  total flux cleaned = 0.00211945 Jy
! Total flux subtracted in 200 components = 0.00211945 Jy
! Clean residual min=-0.000683 max=0.000685 Jy/beam
! Clean residual mean=0.000000 rms=0.000158 Jy/beam
! Combined flux in latest and established models = 0.0562395 Jy
! Adding 27 model components to the UV plane model.
! The established model now contains 59 components and 0.0562395 Jy
! Inverting map 
! Added new window around map position (14.6, 38.2).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000410845 Jy
! Component: 100  -  total flux cleaned = 0.000627503 Jy
! Component: 150  -  total flux cleaned = 0.000842054 Jy
! Component: 200  -  total flux cleaned = 0.00102382 Jy
! Total flux subtracted in 200 components = 0.00102382 Jy
! Clean residual min=-0.000660 max=0.000635 Jy/beam
! Clean residual mean=0.000000 rms=0.000151 Jy/beam
! Combined flux in latest and established models = 0.0572634 Jy
! Adding 31 model components to the UV plane model.
! The established model now contains 73 components and 0.0572633 Jy
! Inverting map 
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 
! Estimated beam: bmin=2.208 mas, bmaj=2.597 mas, bpa=-6.438 degrees
! Estimated noise=0.178086 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000487221 Jy
! Component: 100  -  total flux cleaned = 0.000801476 Jy
! Component: 150  -  total flux cleaned = 0.000950867 Jy
! Component: 200  -  total flux cleaned = 0.00102926 Jy
! Total flux subtracted in 200 components = 0.00102926 Jy
! Clean residual min=-0.000624 max=0.000810 Jy/beam
! Clean residual mean=0.000002 rms=0.000178 Jy/beam
! Combined flux in latest and established models = 0.0582926 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)
! Added new window around map position (-8.6, 18.2).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000625362 Jy
! Component: 100  -  total flux cleaned = 0.000756762 Jy
! Component: 150  -  total flux cleaned = 0.000852534 Jy
! Component: 200  -  total flux cleaned = 0.000938947 Jy
! Total flux subtracted in 200 components = 0.000938947 Jy
! Clean residual min=-0.000581 max=0.000569 Jy/beam
! Clean residual mean=0.000002 rms=0.000156 Jy/beam
! Combined flux in latest and established models = 0.0592316 Jy
! Adding 60 model components to the UV plane model.
! The established model now contains 126 components and 0.0592316 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.954 mas, bmaj=1.591 mas, bpa=-8.013 degrees
! Estimated noise=0.144185 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -9.08159e-05 Jy
! Component: 100  -  total flux cleaned = -4.82933e-05 Jy
! Component: 150  -  total flux cleaned = -9.22866e-06 Jy
! Component: 200  -  total flux cleaned = 2.82886e-05 Jy
! Total flux subtracted in 200 components = 2.82886e-05 Jy
! Clean residual min=-0.000603 max=0.000543 Jy/beam
! Clean residual mean=0.000001 rms=0.000138 Jy/beam
! Combined flux in latest and established models = 0.0592598 Jy
selfcal
! Performing phase self-cal
! Adding 35 model components to the UV plane model.
! The established model now contains 154 components and 0.0592598 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Correcting IF 5.
! 
! Correcting IF 6.
! 
! Correcting IF 7.
! 
! Correcting IF 8.
! 
! Correcting IF 9.
! 
! Correcting IF 10.
! 
! Correcting IF 11.
! 
! Correcting IF 12.
! 
! Fit before self-cal, rms=0.052895Jy  sigma=1.197180
! Fit after  self-cal, rms=0.052886Jy  sigma=1.197099
wmodel J1957+3427_X_map.mod
! Writing 154 model components to file: J1957+3427_X_map.mod
wobs   J1957+3427_X_uvs.fits
! Writing UV FITS file: J1957+3427_X_uvs.fits
wwins  J1957+3427_X_map.win
! wwins: Wrote 7 windows to J1957+3427_X_map.win
x = (field_size-8) * field_cell / 4
addwin -x,x,-x,x
clean (field_size*4),0.01
! Inverting map 
! clean: niter=4096  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = -0.000264549 Jy
! Component: 100  -  total flux cleaned = -0.00042598 Jy
! Component: 150  -  total flux cleaned = -0.000542344 Jy
! Component: 200  -  total flux cleaned = -0.000664924 Jy
! Component: 250  -  total flux cleaned = -0.000775436 Jy
! Component: 300  -  total flux cleaned = -0.000874848 Jy
! Component: 350  -  total flux cleaned = -0.000981172 Jy
! Component: 400  -  total flux cleaned = -0.00105962 Jy
! Component: 450  -  total flux cleaned = -0.00117122 Jy
! Component: 500  -  total flux cleaned = -0.00122212 Jy
! Component: 550  -  total flux cleaned = -0.00131414 Jy
! Component: 600  -  total flux cleaned = -0.00140495 Jy
! Component: 650  -  total flux cleaned = -0.00144559 Jy
! Component: 700  -  total flux cleaned = -0.00149401 Jy
! Component: 750  -  total flux cleaned = -0.00152585 Jy
! Component: 800  -  total flux cleaned = -0.00157315 Jy
! Component: 850  -  total flux cleaned = -0.0016044 Jy
! Component: 900  -  total flux cleaned = -0.00167378 Jy
! Component: 950  -  total flux cleaned = -0.00171174 Jy
! Component: 1000  -  total flux cleaned = -0.00171937 Jy
! Component: 1050  -  total flux cleaned = -0.00179418 Jy
! Component: 1100  -  total flux cleaned = -0.00179414 Jy
! Component: 1150  -  total flux cleaned = -0.00182356 Jy
! Component: 1200  -  total flux cleaned = -0.0018672 Jy
! Component: 1250  -  total flux cleaned = -0.00189606 Jy
! Component: 1300  -  total flux cleaned = -0.00191033 Jy
! Component: 1350  -  total flux cleaned = -0.00194576 Jy
! Component: 1400  -  total flux cleaned = -0.00196695 Jy
! Component: 1450  -  total flux cleaned = -0.00201574 Jy
! Component: 1500  -  total flux cleaned = -0.00199494 Jy
! Component: 1550  -  total flux cleaned = -0.00204302 Jy
! Component: 1600  -  total flux cleaned = -0.00206347 Jy
! Component: 1650  -  total flux cleaned = -0.00207028 Jy
! Component: 1700  -  total flux cleaned = -0.00209041 Jy
! Component: 1750  -  total flux cleaned = -0.00207706 Jy
! Component: 1800  -  total flux cleaned = -0.00209693 Jy
! Component: 1850  -  total flux cleaned = -0.00210352 Jy
! Component: 1900  -  total flux cleaned = -0.00214275 Jy
! Component: 1950  -  total flux cleaned = -0.00211678 Jy
! Component: 2000  -  total flux cleaned = -0.0021232 Jy
! Component: 2050  -  total flux cleaned = -0.002104 Jy
! Component: 2100  -  total flux cleaned = -0.00213585 Jy
! Component: 2150  -  total flux cleaned = -0.00210427 Jy
! Component: 2200  -  total flux cleaned = -0.00210428 Jy
! Component: 2250  -  total flux cleaned = -0.0021105 Jy
! Component: 2300  -  total flux cleaned = -0.00209815 Jy
! Component: 2350  -  total flux cleaned = -0.00206112 Jy
! Component: 2400  -  total flux cleaned = -0.00206119 Jy
! Component: 2450  -  total flux cleaned = -0.00204901 Jy
! Component: 2500  -  total flux cleaned = -0.00200664 Jy
! Component: 2550  -  total flux cleaned = -0.00197643 Jy
! Component: 2600  -  total flux cleaned = -0.00198245 Jy
! Component: 2650  -  total flux cleaned = -0.00198248 Jy
! Component: 2700  -  total flux cleaned = -0.00197056 Jy
! Component: 2750  -  total flux cleaned = -0.00193509 Jy
! Component: 2800  -  total flux cleaned = -0.00191743 Jy
! Component: 2850  -  total flux cleaned = -0.00187064 Jy
! Component: 2900  -  total flux cleaned = -0.001859 Jy
! Component: 2950  -  total flux cleaned = -0.00182425 Jy
! Component: 3000  -  total flux cleaned = -0.00182999 Jy
! Component: 3050  -  total flux cleaned = -0.00179566 Jy
! Component: 3100  -  total flux cleaned = -0.00176718 Jy
! Component: 3150  -  total flux cleaned = -0.00175583 Jy
! Component: 3200  -  total flux cleaned = -0.00177271 Jy
! Component: 3250  -  total flux cleaned = -0.00175026 Jy
! Component: 3300  -  total flux cleaned = -0.00172225 Jy
! Component: 3350  -  total flux cleaned = -0.00171108 Jy
! Component: 3400  -  total flux cleaned = -0.00172767 Jy
! Component: 3450  -  total flux cleaned = -0.00170563 Jy
! Component: 3500  -  total flux cleaned = -0.00168918 Jy
! Component: 3550  -  total flux cleaned = -0.00167828 Jy
! Component: 3600  -  total flux cleaned = -0.00171091 Jy
! Component: 3650  -  total flux cleaned = -0.00168381 Jy
! Component: 3700  -  total flux cleaned = -0.00166767 Jy
! Component: 3750  -  total flux cleaned = -0.00167845 Jy
! Component: 3800  -  total flux cleaned = -0.00166775 Jy
! Component: 3850  -  total flux cleaned = -0.00165185 Jy
! Component: 3900  -  total flux cleaned = -0.00165186 Jy
! Component: 3950  -  total flux cleaned = -0.00163605 Jy
! Component: 4000  -  total flux cleaned = -0.00163605 Jy
! Component: 4050  -  total flux cleaned = -0.00161512 Jy
! Total flux subtracted in 4096 components = -0.00160473 Jy
! Clean residual min=-0.000348 max=0.000326 Jy/beam
! Clean residual mean=0.000000 rms=0.000089 Jy/beam
! Combined flux in latest and established models = 0.0576551 Jy
keep
! Adding 316 model components to the UV plane model.
! The established model now contains 470 components and 0.0576551 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /vlbi/uf001/uva//J1957+3427_X_map.fits
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.954 x 1.591 at -8.013 degrees (North through East)
! Clean map  min=-0.00054015  max=0.047007 Jy/beam
! Writing clean map to FITS file: /vlbi/uf001/uva//J1957+3427_X_map.fits
wmodel /vlbi/uf001/uva//J1957+3427_X_map.mod
! Writing 470 model components to file: /vlbi/uf001/uva//J1957+3427_X_map.mod
wobs   /vlbi/uf001/uva//J1957+3427_X_uvs.fits
! Writing UV FITS file: /vlbi/uf001/uva//J1957+3427_X_uvs.fits
wwins  /vlbi/uf001/uva//J1957+3427_X_map.win
! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1957+3427_X_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.0470071 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 8.88143e-05 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.566814 0.566814 1.13363 2.26726 4.53451 9.06903 18.1381 36.2761 72.5522
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0002 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.047 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  529.273 
quit
! Quitting program
! Log file /vlbi/uf001/uva//J1957+3427_X_dfm.log closed on Mon Jan 14 05:18:22 2019