! Started logfile: /vlbi/uf001/uva//J1520+1601_X_dfm.log on Mon Jan 14 03:16:00 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//J1520+1601_X_uva.fits
! Reading UV FITS file: /vlbi/uf001/uva//J1520+1601_X_uva.fits
! AN table 1: 72 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.86358 visibilities/baseline/integration-bin.
! Found source: J1520+1601
! 
! 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 33576 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 J1520+1601_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 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 5.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 6.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 7.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 8.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 9.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 10.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 11.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 12.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.005152Jy  sigma=23.492472
! Fit after  self-cal, rms=0.932083Jy  sigma=21.766496
! 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=0.6698 mas, bmaj=1.573 mas, bpa=-1.89 degrees
! Estimated noise=0.354579 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 = 0.0499601 Jy
! Component: 100  -  total flux cleaned = 0.0637747 Jy
! Total flux subtracted in 100 components = 0.0637747 Jy
! Clean residual min=-0.003328 max=0.006409 Jy/beam
! Clean residual mean=-0.000002 rms=0.000753 Jy/beam
! Combined flux in latest and established models = 0.0637747 Jy
! Performing phase self-cal
! Adding 7 model components to the UV plane model.
! The established model now contains 7 components and 0.0637747 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=0.058494Jy  sigma=1.309983
! Fit after  self-cal, rms=0.057986Jy  sigma=1.298096
! Inverting map 
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00784812 Jy
! Component: 100  -  total flux cleaned = 0.0122798 Jy
! Total flux subtracted in 100 components = 0.0122798 Jy
! Clean residual min=-0.003029 max=0.005077 Jy/beam
! Clean residual mean=-0.000002 rms=0.000598 Jy/beam
! Combined flux in latest and established models = 0.0760545 Jy
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 12 components and 0.0760545 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=0.056408Jy  sigma=1.258124
! Fit after  self-cal, rms=0.056395Jy  sigma=1.257621
! Inverting map 
! Added new window around map position (-1.2, 0).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00473566 Jy
! Component: 100  -  total flux cleaned = 0.00753956 Jy
! Total flux subtracted in 100 components = 0.00753956 Jy
! Clean residual min=-0.002684 max=0.003199 Jy/beam
! Clean residual mean=-0.000001 rms=0.000528 Jy/beam
! Combined flux in latest and established models = 0.0835941 Jy
! Performing phase self-cal
! Adding 12 model components to the UV plane model.
! The established model now contains 20 components and 0.0835941 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=0.055818Jy  sigma=1.242858
! Fit after  self-cal, rms=0.055778Jy  sigma=1.241808
! 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=0.8472 mas, bmaj=1.88 mas, bpa=-1.509 degrees
! Estimated noise=0.166976 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 = 0.00360703 Jy
! Component: 100  -  total flux cleaned = 0.00567102 Jy
! Component: 150  -  total flux cleaned = 0.00711733 Jy
! Component: 200  -  total flux cleaned = 0.0081893 Jy
! Total flux subtracted in 200 components = 0.0081893 Jy
! Clean residual min=-0.002062 max=0.002191 Jy/beam
! Clean residual mean=-0.000003 rms=0.000441 Jy/beam
! Combined flux in latest and established models = 0.0917834 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 36 components and 0.0917834 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=0.055539Jy  sigma=1.235446
! Fit after  self-cal, rms=0.055522Jy  sigma=1.234966
! Inverting map 
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8472 x 1.88 at -1.509 degrees (North through East)
! Clean map  min=-0.0018398  max=0.068515 Jy/beam
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        1.13     HN        0.94     KP        1.03     
!   LA        0.99     MK        1.00     NL        1.12     OV        0.92     
!   PT        0.90     SC        0.95     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        1.18     HN        0.96     KP        1.02     
!   LA        1.01     MK        1.05     NL        1.10     OV        0.90     
!   PT        0.93     SC        1.00     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        1.16     HN        0.93     KP        1.01     
!   LA        0.99     MK        0.98     NL        1.11     OV        0.92     
!   PT        0.95     SC        0.98     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.26     HN        0.93     KP        1.00     
!   LA        0.96     MK        1.02     NL        1.11     OV        0.89     
!   PT        0.97     SC        0.93     
! 
! 
! Correcting IF 5.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.11     HN        0.93     KP        0.98     
!   LA        0.99     MK        1.04     NL        1.09     OV        0.92     
!   PT        0.94     SC        1.01     
! 
! 
! Correcting IF 6.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.11     FD        1.24     HN        0.94     KP        1.00     
!   LA        0.98     MK        0.97     NL        1.10     OV        0.90     
!   PT        0.90     SC        1.02     
! 
! 
! Correcting IF 7.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.05     HN        0.97     KP        1.05     
!   LA        0.98     MK        1.07     NL        1.12     OV        0.92     
!   PT        0.89     SC        0.97     
! 
! 
! Correcting IF 8.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.20     HN        0.90     KP        1.03     
!   LA        1.00     MK        1.04     NL        1.11     OV        0.92     
!   PT        0.91     SC        0.97     
! 
! 
! Correcting IF 9.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.18     HN        0.89     KP        1.02     
!   LA        0.97     MK        1.04     NL        1.11     OV        0.92     
!   PT        0.94     SC        0.92     
! 
! 
! Correcting IF 10.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.17     HN        0.96     KP        1.02     
!   LA        0.96     MK        1.02     NL        1.13     OV        0.89     
!   PT        0.95     SC        0.99     
! 
! 
! Correcting IF 11.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.14     HN        0.90     KP        1.04     
!   LA        0.98     MK        0.99     NL        1.17     OV        0.91     
!   PT        0.90     SC        1.00     
! 
! 
! Correcting IF 12.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.13     HN        0.97     KP        1.03     
!   LA        1.04     MK        1.02     NL        1.05     OV        0.86     
!   PT        0.93     SC        0.94     
! 
! 
! Fit before self-cal, rms=0.055522Jy  sigma=1.234966
! Fit after  self-cal, rms=0.054337Jy  sigma=1.222805
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8447 mas, bmaj=1.889 mas, bpa=-1.219 degrees
! Estimated noise=0.165433 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 (-8.2, -0.8).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000910067 Jy
! Component: 100  -  total flux cleaned = 0.00145339 Jy
! Component: 150  -  total flux cleaned = 0.00165867 Jy
! Component: 200  -  total flux cleaned = 0.00178373 Jy
! Total flux subtracted in 200 components = 0.00178373 Jy
! Clean residual min=-0.000854 max=0.000969 Jy/beam
! Clean residual mean=-0.000001 rms=0.000209 Jy/beam
! Combined flux in latest and established models = 0.0935671 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 51 components and 0.0935671 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=0.054293Jy  sigma=1.221764
! Fit after  self-cal, rms=0.054341Jy  sigma=1.221263
! 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=0.054341Jy  sigma=1.221263
! Fit after  self-cal, rms=0.054352Jy  sigma=1.219001
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=0.8428 mas, bmaj=1.882 mas, bpa=-1.374 degrees
! Estimated noise=0.165353 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000484325 Jy
! Component: 100  -  total flux cleaned = 0.000709789 Jy
! Component: 150  -  total flux cleaned = 0.000850983 Jy
! Component: 200  -  total flux cleaned = 0.000934688 Jy
! Total flux subtracted in 200 components = 0.000934688 Jy
! Clean residual min=-0.000853 max=0.000861 Jy/beam
! Clean residual mean=-0.000000 rms=0.000187 Jy/beam
! Combined flux in latest and established models = 0.0945018 Jy
selfcal
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 63 components and 0.0945018 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=0.054340Jy  sigma=1.218743
! Fit after  self-cal, rms=0.054348Jy  sigma=1.218660
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 (-10, -2.2).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000438597 Jy
! Component: 100  -  total flux cleaned = 0.0003367 Jy
! Component: 150  -  total flux cleaned = 0.000309643 Jy
! Component: 200  -  total flux cleaned = 0.000259748 Jy
! Total flux subtracted in 200 components = 0.000259748 Jy
! Clean residual min=-0.000813 max=0.000784 Jy/beam
! Clean residual mean=-0.000000 rms=0.000182 Jy/beam
! Combined flux in latest and established models = 0.0947616 Jy
! Performing phase self-cal
! Adding 22 model components to the UV plane model.
! The established model now contains 76 components and 0.0947616 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=0.054335Jy  sigma=1.218380
! Fit after  self-cal, rms=0.054333Jy  sigma=1.218365
! 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=0.054333Jy  sigma=1.218365
! Fit after  self-cal, rms=0.054241Jy  sigma=1.218209
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=0.8403 mas, bmaj=1.88 mas, bpa=-1.413 degrees
! Estimated noise=0.165106 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000264847 Jy
! Component: 100  -  total flux cleaned = 0.000343127 Jy
! Component: 150  -  total flux cleaned = 0.00033255 Jy
! Component: 200  -  total flux cleaned = 0.000322586 Jy
! Total flux subtracted in 200 components = 0.000322586 Jy
! Clean residual min=-0.000802 max=0.000754 Jy/beam
! Clean residual mean=-0.000000 rms=0.000178 Jy/beam
! Combined flux in latest and established models = 0.0950841 Jy
selfcal
! Performing phase self-cal
! Adding 28 model components to the UV plane model.
! The established model now contains 84 components and 0.0950841 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=0.054236Jy  sigma=1.218088
! Fit after  self-cal, rms=0.054236Jy  sigma=1.218079
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 = 5.80777e-05 Jy
! Component: 100  -  total flux cleaned = 3.81224e-05 Jy
! Component: 150  -  total flux cleaned = 1.9433e-05 Jy
! Component: 200  -  total flux cleaned = -7.76555e-06 Jy
! Total flux subtracted in 200 components = -7.76555e-06 Jy
! Clean residual min=-0.000797 max=0.000759 Jy/beam
! Clean residual mean=-0.000000 rms=0.000177 Jy/beam
! Combined flux in latest and established models = 0.0950764 Jy
! Performing phase self-cal
! Adding 36 model components to the UV plane model.
! The established model now contains 91 components and 0.0950764 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=0.054233Jy  sigma=1.218006
! Fit after  self-cal, rms=0.054233Jy  sigma=1.218005
! 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=0.054233Jy  sigma=1.218005
! Fit after  self-cal, rms=0.054173Jy  sigma=1.217987
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=1.982 mas, bmaj=2.922 mas, bpa=-5.357 degrees
! Estimated noise=0.217086 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000305393 Jy
! Component: 100  -  total flux cleaned = 0.000385222 Jy
! Component: 150  -  total flux cleaned = 0.00043242 Jy
! Component: 200  -  total flux cleaned = 0.000452796 Jy
! Total flux subtracted in 200 components = 0.000452796 Jy
! Clean residual min=-0.000997 max=0.000824 Jy/beam
! Clean residual mean=-0.000001 rms=0.000205 Jy/beam
! Combined flux in latest and established models = 0.0955292 Jy
selfcal
! Performing phase self-cal
! Adding 16 model components to the UV plane model.
! The established model now contains 103 components and 0.0955292 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=0.054172Jy  sigma=1.217975
! Fit after  self-cal, rms=0.054171Jy  sigma=1.217967
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 = 7.95894e-05 Jy
! Component: 100  -  total flux cleaned = 9.87241e-05 Jy
! Component: 150  -  total flux cleaned = 0.000104525 Jy
! Component: 200  -  total flux cleaned = 9.95798e-05 Jy
! Total flux subtracted in 200 components = 9.95798e-05 Jy
! Clean residual min=-0.000985 max=0.000811 Jy/beam
! Clean residual mean=-0.000001 rms=0.000203 Jy/beam
! Combined flux in latest and established models = 0.0956287 Jy
! Performing phase self-cal
! Adding 21 model components to the UV plane model.
! The established model now contains 113 components and 0.0956287 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=0.054171Jy  sigma=1.217971
! Fit after  self-cal, rms=0.054171Jy  sigma=1.217967
! 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=0.8387 mas, bmaj=1.878 mas, bpa=-1.423 degrees
! Estimated noise=0.165025 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8387 x 1.878 at -1.423 degrees (North through East)
! Clean map  min=-0.00073508  max=0.067868 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=0.6642 mas, bmaj=1.57 mas, bpa=-1.726 degrees
! Estimated noise=0.34861 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0492721 Jy
! Component: 100  -  total flux cleaned = 0.0641507 Jy
! Component: 150  -  total flux cleaned = 0.0725572 Jy
! Component: 200  -  total flux cleaned = 0.0781866 Jy
! Total flux subtracted in 200 components = 0.0781866 Jy
! Clean residual min=-0.002045 max=0.003047 Jy/beam
! Clean residual mean=-0.000001 rms=0.000458 Jy/beam
! Combined flux in latest and established models = 0.0781866 Jy
uvw 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
flux_cutoff = imstat(rms) * dynam
! Adding 9 model components to the UV plane model.
! The established model now contains 9 components and 0.0781866 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.8387 mas, bmaj=1.878 mas, bpa=-1.423 degrees
! Estimated noise=0.165025 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 = 0.00559233 Jy
! Component: 100  -  total flux cleaned = 0.00864566 Jy
! Component: 150  -  total flux cleaned = 0.0105363 Jy
! Component: 200  -  total flux cleaned = 0.011954 Jy
! Total flux subtracted in 200 components = 0.011954 Jy
! Clean residual min=-0.000891 max=0.001001 Jy/beam
! Clean residual mean=-0.000001 rms=0.000221 Jy/beam
! Combined flux in latest and established models = 0.0901405 Jy
! Adding 25 model components to the UV plane model.
! The established model now contains 28 components and 0.0901405 Jy
! Inverting map 
! Added new window around map position (7.2, 38.2).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00112811 Jy
! Component: 100  -  total flux cleaned = 0.00202113 Jy
! Component: 150  -  total flux cleaned = 0.00253223 Jy
! Component: 200  -  total flux cleaned = 0.00297392 Jy
! Total flux subtracted in 200 components = 0.00297392 Jy
! Clean residual min=-0.000849 max=0.000755 Jy/beam
! Clean residual mean=-0.000001 rms=0.000189 Jy/beam
! Combined flux in latest and established models = 0.0931144 Jy
! Adding 30 model components to the UV plane model.
! The established model now contains 49 components and 0.0931144 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=1.982 mas, bmaj=2.922 mas, bpa=-5.357 degrees
! Estimated noise=0.217086 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000946868 Jy
! Component: 100  -  total flux cleaned = 0.00143736 Jy
! Component: 150  -  total flux cleaned = 0.00159655 Jy
! Component: 200  -  total flux cleaned = 0.00166482 Jy
! Total flux subtracted in 200 components = 0.00166482 Jy
! Clean residual min=-0.000941 max=0.000891 Jy/beam
! Clean residual mean=-0.000001 rms=0.000210 Jy/beam
! Combined flux in latest and established models = 0.0947793 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 = 7.56914e-05 Jy
! Component: 100  -  total flux cleaned = 0.000116141 Jy
! Component: 150  -  total flux cleaned = 0.000153662 Jy
! Component: 200  -  total flux cleaned = 0.000188978 Jy
! Total flux subtracted in 200 components = 0.000188978 Jy
! Clean residual min=-0.000892 max=0.000834 Jy/beam
! Clean residual mean=-0.000001 rms=0.000200 Jy/beam
! Combined flux in latest and established models = 0.0949682 Jy
! Adding 71 model components to the UV plane model.
! The established model now contains 111 components and 0.0949682 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.8387 mas, bmaj=1.878 mas, bpa=-1.423 degrees
! Estimated noise=0.165025 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000173259 Jy
! Component: 100  -  total flux cleaned = -0.000207306 Jy
! Component: 150  -  total flux cleaned = -0.000222468 Jy
! Component: 200  -  total flux cleaned = -0.000222883 Jy
! Total flux subtracted in 200 components = -0.000222883 Jy
! Clean residual min=-0.000834 max=0.000759 Jy/beam
! Clean residual mean=-0.000001 rms=0.000173 Jy/beam
! Combined flux in latest and established models = 0.0947453 Jy
selfcal
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 125 components and 0.0947454 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=0.054165Jy  sigma=1.217871
! Fit after  self-cal, rms=0.054162Jy  sigma=1.217810
wmodel J1520+1601_X_map.mod
! Writing 125 model components to file: J1520+1601_X_map.mod
wobs   J1520+1601_X_uvs.fits
! Writing UV FITS file: J1520+1601_X_uvs.fits
wwins  J1520+1601_X_map.win
! wwins: Wrote 5 windows to J1520+1601_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 = 2.23086e-05 Jy
! Component: 100  -  total flux cleaned = -1.55905e-05 Jy
! Component: 150  -  total flux cleaned = -6.47926e-05 Jy
! Component: 200  -  total flux cleaned = -0.00011212 Jy
! Component: 250  -  total flux cleaned = -0.000123533 Jy
! Component: 300  -  total flux cleaned = -0.000157332 Jy
! Component: 350  -  total flux cleaned = -0.000124178 Jy
! Component: 400  -  total flux cleaned = -0.000124262 Jy
! Component: 450  -  total flux cleaned = -0.000102889 Jy
! Component: 500  -  total flux cleaned = -8.20581e-05 Jy
! Component: 550  -  total flux cleaned = -7.17116e-05 Jy
! Component: 600  -  total flux cleaned = -6.1504e-05 Jy
! Component: 650  -  total flux cleaned = -5.13e-05 Jy
! Component: 700  -  total flux cleaned = -1.34808e-06 Jy
! Component: 750  -  total flux cleaned = 4.7608e-05 Jy
! Component: 800  -  total flux cleaned = 8.69222e-06 Jy
! Component: 850  -  total flux cleaned = 5.68788e-05 Jy
! Component: 900  -  total flux cleaned = 3.76641e-05 Jy
! Component: 950  -  total flux cleaned = 4.71919e-05 Jy
! Component: 1000  -  total flux cleaned = 6.56496e-05 Jy
! Component: 1050  -  total flux cleaned = 8.40034e-05 Jy
! Component: 1100  -  total flux cleaned = 0.000120497 Jy
! Component: 1150  -  total flux cleaned = 9.33185e-05 Jy
! Component: 1200  -  total flux cleaned = 0.000138205 Jy
! Component: 1250  -  total flux cleaned = 0.000129287 Jy
! Component: 1300  -  total flux cleaned = 0.000155658 Jy
! Component: 1350  -  total flux cleaned = 0.000164417 Jy
! Component: 1400  -  total flux cleaned = 0.000121147 Jy
! Component: 1450  -  total flux cleaned = 0.00017271 Jy
! Component: 1500  -  total flux cleaned = 0.00015561 Jy
! Component: 1550  -  total flux cleaned = 0.000164108 Jy
! Component: 1600  -  total flux cleaned = 0.000155762 Jy
! Component: 1650  -  total flux cleaned = 0.000155725 Jy
! Component: 1700  -  total flux cleaned = 0.000139232 Jy
! Component: 1750  -  total flux cleaned = 0.000172071 Jy
! Component: 1800  -  total flux cleaned = 0.000163941 Jy
! Component: 1850  -  total flux cleaned = 0.000139696 Jy
! Component: 1900  -  total flux cleaned = 0.000171851 Jy
! Component: 1950  -  total flux cleaned = 0.0001399 Jy
! Component: 2000  -  total flux cleaned = 0.00015575 Jy
! Component: 2050  -  total flux cleaned = 0.000124266 Jy
! Component: 2100  -  total flux cleaned = 7.73551e-05 Jy
! Component: 2150  -  total flux cleaned = 6.18458e-05 Jy
! Component: 2200  -  total flux cleaned = 6.95848e-05 Jy
! Component: 2250  -  total flux cleaned = 7.71578e-05 Jy
! Component: 2300  -  total flux cleaned = 6.18903e-05 Jy
! Component: 2350  -  total flux cleaned = 3.15333e-05 Jy
! Component: 2400  -  total flux cleaned = -6.13625e-06 Jy
! Component: 2450  -  total flux cleaned = -2.85436e-05 Jy
! Component: 2500  -  total flux cleaned = -1.36497e-05 Jy
! Component: 2550  -  total flux cleaned = -3.57545e-05 Jy
! Component: 2600  -  total flux cleaned = -6.51222e-05 Jy
! Component: 2650  -  total flux cleaned = -5.04955e-05 Jy
! Component: 2700  -  total flux cleaned = -7.96542e-05 Jy
! Component: 2750  -  total flux cleaned = -0.000115828 Jy
! Component: 2800  -  total flux cleaned = -0.000108607 Jy
! Component: 2850  -  total flux cleaned = -0.000165834 Jy
! Component: 2900  -  total flux cleaned = -0.000180046 Jy
! Component: 2950  -  total flux cleaned = -0.000194203 Jy
! Component: 3000  -  total flux cleaned = -0.000222273 Jy
! Component: 3050  -  total flux cleaned = -0.000229357 Jy
! Component: 3100  -  total flux cleaned = -0.000250197 Jy
! Component: 3150  -  total flux cleaned = -0.000229377 Jy
! Component: 3200  -  total flux cleaned = -0.00024322 Jy
! Component: 3250  -  total flux cleaned = -0.000263749 Jy
! Component: 3300  -  total flux cleaned = -0.000270595 Jy
! Component: 3350  -  total flux cleaned = -0.000284184 Jy
! Component: 3400  -  total flux cleaned = -0.000297739 Jy
! Component: 3450  -  total flux cleaned = -0.000311196 Jy
! Component: 3500  -  total flux cleaned = -0.000331345 Jy
! Component: 3550  -  total flux cleaned = -0.000338038 Jy
! Component: 3600  -  total flux cleaned = -0.000371229 Jy
! Component: 3650  -  total flux cleaned = -0.000410885 Jy
! Component: 3700  -  total flux cleaned = -0.000397753 Jy
! Component: 3750  -  total flux cleaned = -0.000436992 Jy
! Component: 3800  -  total flux cleaned = -0.000417493 Jy
! Component: 3850  -  total flux cleaned = -0.00044995 Jy
! Component: 3900  -  total flux cleaned = -0.000469349 Jy
! Component: 3950  -  total flux cleaned = -0.000501458 Jy
! Component: 4000  -  total flux cleaned = -0.000520591 Jy
! Component: 4050  -  total flux cleaned = -0.000552366 Jy
! Total flux subtracted in 4096 components = -0.000577755 Jy
! Clean residual min=-0.000385 max=0.000383 Jy/beam
! Clean residual mean=-0.000000 rms=0.000109 Jy/beam
! Combined flux in latest and established models = 0.0941676 Jy
keep
! Adding 332 model components to the UV plane model.
! The established model now contains 457 components and 0.0941676 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /vlbi/uf001/uva//J1520+1601_X_map.fits
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8387 x 1.878 at -1.423 degrees (North through East)
! Clean map  min=-0.00059047  max=0.06789 Jy/beam
! Writing clean map to FITS file: /vlbi/uf001/uva//J1520+1601_X_map.fits
wmodel /vlbi/uf001/uva//J1520+1601_X_map.mod
! Writing 457 model components to file: /vlbi/uf001/uva//J1520+1601_X_map.mod
wobs   /vlbi/uf001/uva//J1520+1601_X_uvs.fits
! Writing UV FITS file: /vlbi/uf001/uva//J1520+1601_X_uvs.fits
wwins  /vlbi/uf001/uva//J1520+1601_X_map.win
! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1520+1601_X_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.06789 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000108678 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.480236 0.480236 0.960473 1.92095 3.84189 7.68378 15.3676 30.7351 61.4703
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0003 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.067 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  624.692 
quit
! Quitting program
! Log file /vlbi/uf001/uva//J1520+1601_X_dfm.log closed on Mon Jan 14 03:16:06 2019