! Started logfile: /vlbi/bp222/maps//J2157-1807_S_dfm.log on Thu Sep 27 11:39:50 2018
float field_size
field_size =  1024
float field_cell
field_cell =   0.5000
float taper_size
taper_size =   20.0
float freq
freq       =    2.22000
obs     /vlbi/bp222/maps//J2157-1807_S_uvm.fits
! Reading UV FITS file: /vlbi/bp222/maps//J2157-1807_S_uvm.fits
! AN table 1: 45 integrations on 45 of 45 possible baselines.
! AN table 2: 110 integrations on 36 of 36 possible baselines.
! Apparent sampling: 0.87736 visibilities/baseline/integration-bin.
! Found source: J2157-1807
! 
! 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     2.22e+09      3.2e+07          1      3.2e+07
!  02        2    2.252e+09      3.2e+07          1      3.2e+07
!  03        3    2.284e+09      3.2e+07          1      3.2e+07
!  04        4    2.348e+09      3.2e+07          1      3.2e+07
! 
! Polarization(s): RR
! 
! Read 54 lines of history.
! 
! Reading 21004 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 = 0.5 
print "taper_size =", taper_size
! taper_size = 20 
![@/opt64/bin/pima_mupet_01.dfm J2157-1807_S]
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 0.500x0.500 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 5 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 5 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 5 telescope corrections were flagged in sub-array 1.
!  A total of 99 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 450 telescope corrections were flagged in sub-array 1.
!  A total of 597 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=1.134230Jy  sigma=14.037683
! Fit after  self-cal, rms=0.609649Jy  sigma=7.265704
! 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=2.516 mas, bmaj=6.819 mas, bpa=1.181 degrees
! Estimated noise=0.718606 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 = 0.289583 Jy
! Component: 100  -  total flux cleaned = 0.415094 Jy
! Total flux subtracted in 100 components = 0.415094 Jy
! Clean residual min=-0.026499 max=0.072218 Jy/beam
! Clean residual mean=-0.000142 rms=0.008184 Jy/beam
! Combined flux in latest and established models = 0.415094 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 18 components and 0.415094 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.268263Jy  sigma=3.401986
! Fit after  self-cal, rms=0.268166Jy  sigma=3.400576
! Inverting map 
! Added new window around map position (12, 40.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0820854 Jy
! Component: 100  -  total flux cleaned = 0.139054 Jy
! Total flux subtracted in 100 components = 0.139054 Jy
! Clean residual min=-0.020106 max=0.042893 Jy/beam
! Clean residual mean=-0.000098 rms=0.006359 Jy/beam
! Combined flux in latest and established models = 0.554148 Jy
! Performing phase self-cal
! Adding 33 model components to the UV plane model.
! The established model now contains 47 components and 0.554148 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.217339Jy  sigma=2.714361
! Fit after  self-cal, rms=0.215952Jy  sigma=2.702782
! Inverting map 
! Added new window around map position (4, -0.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0482019 Jy
! Component: 100  -  total flux cleaned = 0.0854687 Jy
! Total flux subtracted in 100 components = 0.0854687 Jy
! Clean residual min=-0.018793 max=0.032117 Jy/beam
! Clean residual mean=-0.000076 rms=0.005471 Jy/beam
! Combined flux in latest and established models = 0.639617 Jy
! Performing phase self-cal
! Adding 32 model components to the UV plane model.
! The established model now contains 74 components and 0.639617 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.192447Jy  sigma=2.374800
! Fit after  self-cal, rms=0.191482Jy  sigma=2.366228
! 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=3.353 mas, bmaj=8.387 mas, bpa=1.179 degrees
! Estimated noise=0.471072 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 = 0.0693944 Jy
! Component: 100  -  total flux cleaned = 0.118449 Jy
! Component: 150  -  total flux cleaned = 0.155626 Jy
! Component: 200  -  total flux cleaned = 0.184253 Jy
! Total flux subtracted in 200 components = 0.184253 Jy
! Clean residual min=-0.020182 max=0.032533 Jy/beam
! Clean residual mean=-0.000111 rms=0.006346 Jy/beam
! Combined flux in latest and established models = 0.823871 Jy
! Performing phase self-cal
! Adding 71 model components to the UV plane model.
! The established model now contains 131 components and 0.823871 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.159493Jy  sigma=1.878351
! Fit after  self-cal, rms=0.156782Jy  sigma=1.849289
! Inverting map 
! Added new window around map position (3.5, 16.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0353442 Jy
! Component: 100  -  total flux cleaned = 0.0591431 Jy
! Component: 150  -  total flux cleaned = 0.0772757 Jy
! Component: 200  -  total flux cleaned = 0.0914364 Jy
! Total flux subtracted in 200 components = 0.0914364 Jy
! Clean residual min=-0.015762 max=0.028087 Jy/beam
! Clean residual mean=-0.000057 rms=0.004709 Jy/beam
! Combined flux in latest and established models = 0.915307 Jy
! Performing phase self-cal
! Adding 41 model components to the UV plane model.
! The established model now contains 157 components and 0.915307 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148783Jy  sigma=1.687090
! Fit after  self-cal, rms=0.147599Jy  sigma=1.671648
! Inverting map 
! Added new window around map position (6, 44).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0272827 Jy
! Component: 100  -  total flux cleaned = 0.0431761 Jy
! Component: 150  -  total flux cleaned = 0.0553293 Jy
! Component: 200  -  total flux cleaned = 0.0650029 Jy
! Total flux subtracted in 200 components = 0.0650029 Jy
! Clean residual min=-0.011791 max=0.015423 Jy/beam
! Clean residual mean=-0.000024 rms=0.003733 Jy/beam
! Combined flux in latest and established models = 0.98031 Jy
! Performing phase self-cal
! Adding 47 model components to the UV plane model.
! The established model now contains 189 components and 0.98031 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.142112Jy  sigma=1.588125
! Fit after  self-cal, rms=0.141564Jy  sigma=1.580696
! Inverting map 
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.353 x 8.387 at 1.179 degrees (North through East)
! Clean map  min=-0.012291  max=0.39755 Jy/beam
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.95     HN        1.22     KP        0.96     
!   LA        0.95     MK        1.09     NL        0.99     OV        0.95     
!   PT        0.95     SC        1.05     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.90     FD        0.94     KP        0.98     LA        0.96     
!   MK        1.04     NL        1.00     OV        0.95     PT        0.93     
!   SC        1.00     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        2.21     FD        0.95     HN        1.24     KP        0.97     
!   LA        0.99     MK        1.07     NL        1.03     OV        0.93     
!   PT        0.96     SC        1.07     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.95     KP        0.98     LA        0.95     
!   MK        1.03     NL        1.04     OV        0.96     PT        0.96     
!   SC        1.02     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.85     FD        0.96     HN        1.26     KP        0.99     
!   LA        0.99     MK        1.09     NL        1.03     OV        0.94     
!   PT        0.95     SC        1.06     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.95     KP        0.98     LA        0.97     
!   MK        1.04     NL        1.05     OV        0.97     PT        0.96     
!   SC        1.00     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KP        0.00*    
!   LA        0.00*    MK        0.00*    NL        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    
! 
!  A total of 129 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        9.64     KP        1.00*    LA        2.95     
!   MK        1.00*    NL        1.00*    OV        0.99     PT        0.96     
!   SC        1.00*    
! 
! 
! Fit before self-cal, rms=0.141564Jy  sigma=1.580696
! Fit after  self-cal, rms=0.112078Jy  sigma=0.990029
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.394 mas, bmaj=8.517 mas, bpa=1.271 degrees
! Estimated noise=0.481403 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 = 0.00561691 Jy
! Component: 100  -  total flux cleaned = 0.00771576 Jy
! Component: 150  -  total flux cleaned = 0.00813706 Jy
! Component: 200  -  total flux cleaned = 0.00924467 Jy
! Total flux subtracted in 200 components = 0.00924467 Jy
! Clean residual min=-0.007649 max=0.007907 Jy/beam
! Clean residual mean=0.000001 rms=0.002028 Jy/beam
! Combined flux in latest and established models = 0.989554 Jy
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 210 components and 0.989554 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110469Jy  sigma=0.974669
! Fit after  self-cal, rms=0.110454Jy  sigma=0.972103
! 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.
! 
! Fit before self-cal, rms=0.110454Jy  sigma=0.972103
! Fit after  self-cal, rms=0.111175Jy  sigma=0.963372
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=3.396 mas, bmaj=8.529 mas, bpa=1.385 degrees
! Estimated noise=0.481579 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00221774 Jy
! Component: 100  -  total flux cleaned = 0.00297803 Jy
! Component: 150  -  total flux cleaned = 0.00330787 Jy
! Component: 200  -  total flux cleaned = 0.00374096 Jy
! Total flux subtracted in 200 components = 0.00374096 Jy
! Clean residual min=-0.007772 max=0.006510 Jy/beam
! Clean residual mean=0.000001 rms=0.001948 Jy/beam
! Combined flux in latest and established models = 0.993295 Jy
selfcal
! Performing phase self-cal
! Adding 35 model components to the UV plane model.
! The established model now contains 230 components and 0.993295 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110303Jy  sigma=0.956931
! Fit after  self-cal, rms=0.110260Jy  sigma=0.956137
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 = 0.00124132 Jy
! Component: 100  -  total flux cleaned = 0.00163969 Jy
! Component: 150  -  total flux cleaned = 0.00200959 Jy
! Component: 200  -  total flux cleaned = 0.00246921 Jy
! Total flux subtracted in 200 components = 0.00246921 Jy
! Clean residual min=-0.007913 max=0.006548 Jy/beam
! Clean residual mean=0.000003 rms=0.001919 Jy/beam
! Combined flux in latest and established models = 0.995764 Jy
! Performing phase self-cal
! Adding 33 model components to the UV plane model.
! The established model now contains 242 components and 0.995764 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109761Jy  sigma=0.953132
! Fit after  self-cal, rms=0.109741Jy  sigma=0.952854
! 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.
! 
! Fit before self-cal, rms=0.109741Jy  sigma=0.952854
! Fit after  self-cal, rms=0.082678Jy  sigma=0.794645
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=3.395 mas, bmaj=8.522 mas, bpa=1.43 degrees
! Estimated noise=0.480023 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0019919 Jy
! Component: 100  -  total flux cleaned = 0.0024052 Jy
! Component: 150  -  total flux cleaned = 0.00296589 Jy
! Component: 200  -  total flux cleaned = 0.00306693 Jy
! Total flux subtracted in 200 components = 0.00306693 Jy
! Clean residual min=-0.003775 max=0.003537 Jy/beam
! Clean residual mean=-0.000008 rms=0.000767 Jy/beam
! Combined flux in latest and established models = 0.998831 Jy
selfcal
! Performing phase self-cal
! Adding 24 model components to the UV plane model.
! The established model now contains 265 components and 0.998831 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082185Jy  sigma=0.789884
! Fit after  self-cal, rms=0.082176Jy  sigma=0.789236
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 = 0.000720702 Jy
! Component: 100  -  total flux cleaned = 0.0010033 Jy
! Component: 150  -  total flux cleaned = 0.00100643 Jy
! Component: 200  -  total flux cleaned = 0.000927416 Jy
! Total flux subtracted in 200 components = 0.000927416 Jy
! Clean residual min=-0.003591 max=0.003346 Jy/beam
! Clean residual mean=-0.000007 rms=0.000736 Jy/beam
! Combined flux in latest and established models = 0.999759 Jy
! Performing phase self-cal
! Adding 37 model components to the UV plane model.
! The established model now contains 285 components and 0.999759 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081953Jy  sigma=0.787031
! Fit after  self-cal, rms=0.081940Jy  sigma=0.786871
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 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=0.081940Jy  sigma=0.786871
! Fit after  self-cal, rms=0.081746Jy  sigma=0.786089
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=8.369 mas, bmaj=17.51 mas, bpa=2.821 degrees
! Estimated noise=0.577426 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000617106 Jy
! Component: 100  -  total flux cleaned = 0.000534189 Jy
! Component: 150  -  total flux cleaned = 0.000895929 Jy
! Component: 200  -  total flux cleaned = 0.00126783 Jy
! Total flux subtracted in 200 components = 0.00126783 Jy
! Clean residual min=-0.002533 max=0.002653 Jy/beam
! Clean residual mean=-0.000013 rms=0.000739 Jy/beam
! Combined flux in latest and established models = 1.00103 Jy
selfcal
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 298 components and 1.00103 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081632Jy  sigma=0.784872
! Fit after  self-cal, rms=0.081609Jy  sigma=0.784665
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 = 9.53019e-05 Jy
! Component: 100  -  total flux cleaned = 0.000439427 Jy
! Component: 150  -  total flux cleaned = 0.000609159 Jy
! Component: 200  -  total flux cleaned = 0.000760584 Jy
! Total flux subtracted in 200 components = 0.000760584 Jy
! Clean residual min=-0.002464 max=0.002538 Jy/beam
! Clean residual mean=-0.000011 rms=0.000715 Jy/beam
! Combined flux in latest and established models = 1.00179 Jy
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 311 components and 1.00179 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081559Jy  sigma=0.784265
! Fit after  self-cal, rms=0.081546Jy  sigma=0.784157
! 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=3.39 mas, bmaj=8.508 mas, bpa=1.417 degrees
! Estimated noise=0.478525 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.39 x 8.508 at 1.417 degrees (North through East)
! Clean map  min=-0.003416  max=0.40557 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=2.535 mas, bmaj=6.878 mas, bpa=1.44 degrees
! Estimated noise=0.740822 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.295828 Jy
! Component: 100  -  total flux cleaned = 0.429365 Jy
! Component: 150  -  total flux cleaned = 0.520743 Jy
! Component: 200  -  total flux cleaned = 0.587847 Jy
! Total flux subtracted in 200 components = 0.587847 Jy
! Clean residual min=-0.016433 max=0.038957 Jy/beam
! Clean residual mean=-0.000091 rms=0.005251 Jy/beam
! Combined flux in latest and established models = 0.587847 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 42 model components to the UV plane model.
! The established model now contains 42 components and 0.587847 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.39 mas, bmaj=8.508 mas, bpa=1.417 degrees
! Estimated noise=0.478525 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 = 0.095487 Jy
! Component: 100  -  total flux cleaned = 0.159533 Jy
! Component: 150  -  total flux cleaned = 0.206516 Jy
! Component: 200  -  total flux cleaned = 0.242393 Jy
! Total flux subtracted in 200 components = 0.242393 Jy
! Clean residual min=-0.011034 max=0.021687 Jy/beam
! Clean residual mean=-0.000106 rms=0.004446 Jy/beam
! Combined flux in latest and established models = 0.83024 Jy
! Adding 125 model components to the UV plane model.
! The established model now contains 156 components and 0.83024 Jy
! Inverting map 
! Added new window around map position (-3, 1.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0283208 Jy
! Component: 100  -  total flux cleaned = 0.0511383 Jy
! Component: 150  -  total flux cleaned = 0.069828 Jy
! Component: 200  -  total flux cleaned = 0.085254 Jy
! Total flux subtracted in 200 components = 0.085254 Jy
! Clean residual min=-0.006184 max=0.011077 Jy/beam
! Clean residual mean=-0.000054 rms=0.002228 Jy/beam
! Combined flux in latest and established models = 0.915494 Jy
! Adding 81 model components to the UV plane model.
! The established model now contains 231 components and 0.915494 Jy
! Inverting map 
! Added new window around map position (7.5, -1.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0133299 Jy
! Component: 100  -  total flux cleaned = 0.0244141 Jy
! Component: 150  -  total flux cleaned = 0.0338334 Jy
! Component: 200  -  total flux cleaned = 0.0418803 Jy
! Total flux subtracted in 200 components = 0.0418803 Jy
! Clean residual min=-0.003929 max=0.006485 Jy/beam
! Clean residual mean=-0.000029 rms=0.001294 Jy/beam
! Combined flux in latest and established models = 0.957374 Jy
! Adding 68 model components to the UV plane model.
! The established model now contains 289 components and 0.957375 Jy
! Inverting map 
! Added new window around map position (12.5, 30.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00732002 Jy
! Component: 100  -  total flux cleaned = 0.0133879 Jy
! Component: 150  -  total flux cleaned = 0.0186244 Jy
! Component: 200  -  total flux cleaned = 0.0231637 Jy
! Total flux subtracted in 200 components = 0.0231637 Jy
! Clean residual min=-0.003070 max=0.003434 Jy/beam
! Clean residual mean=-0.000017 rms=0.000856 Jy/beam
! Combined flux in latest and established models = 0.980538 Jy
! Adding 54 model components to the UV plane model.
! The established model now contains 325 components and 0.980538 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=8.369 mas, bmaj=17.51 mas, bpa=2.821 degrees
! Estimated noise=0.577426 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00590832 Jy
! Component: 100  -  total flux cleaned = 0.0103138 Jy
! Component: 150  -  total flux cleaned = 0.0137574 Jy
! Component: 200  -  total flux cleaned = 0.0165736 Jy
! Total flux subtracted in 200 components = 0.0165736 Jy
! Clean residual min=-0.002649 max=0.002664 Jy/beam
! Clean residual mean=-0.000014 rms=0.000786 Jy/beam
! Combined flux in latest and established models = 0.997112 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 = 0.00233717 Jy
! Component: 100  -  total flux cleaned = 0.00429375 Jy
! Component: 150  -  total flux cleaned = 0.00563288 Jy
! Component: 200  -  total flux cleaned = 0.00657555 Jy
! Total flux subtracted in 200 components = 0.00657555 Jy
! Clean residual min=-0.002507 max=0.002269 Jy/beam
! Clean residual mean=-0.000007 rms=0.000682 Jy/beam
! Combined flux in latest and established models = 1.00369 Jy
! Adding 100 model components to the UV plane model.
! The established model now contains 409 components and 1.00369 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.39 mas, bmaj=8.508 mas, bpa=1.417 degrees
! Estimated noise=0.478525 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000387834 Jy
! Component: 100  -  total flux cleaned = 0.00119335 Jy
! Component: 150  -  total flux cleaned = 0.00191467 Jy
! Component: 200  -  total flux cleaned = 0.00249731 Jy
! Total flux subtracted in 200 components = 0.00249731 Jy
! Clean residual min=-0.002377 max=0.002090 Jy/beam
! Clean residual mean=-0.000003 rms=0.000574 Jy/beam
! Combined flux in latest and established models = 1.00618 Jy
selfcal
! Performing phase self-cal
! Adding 23 model components to the UV plane model.
! The established model now contains 429 components and 1.00618 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080345Jy  sigma=0.773551
! Fit after  self-cal, rms=0.080162Jy  sigma=0.771195
wmodel J2157-1807_S_map.mod
! Writing 429 model components to file: J2157-1807_S_map.mod
wobs   J2157-1807_S_uvs.fits
! Writing UV FITS file: J2157-1807_S_uvs.fits
wwins  J2157-1807_S_map.win
! wwins: Wrote 8 windows to J2157-1807_S_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 = -0.000868526 Jy
! Component: 100  -  total flux cleaned = -0.000909072 Jy
! Component: 150  -  total flux cleaned = -0.000873263 Jy
! Component: 200  -  total flux cleaned = -0.000941096 Jy
! Component: 250  -  total flux cleaned = -0.00100786 Jy
! Component: 300  -  total flux cleaned = -0.000976417 Jy
! Component: 350  -  total flux cleaned = -0.00100769 Jy
! Component: 400  -  total flux cleaned = -0.00106885 Jy
! Component: 450  -  total flux cleaned = -0.00106888 Jy
! Component: 500  -  total flux cleaned = -0.00109775 Jy
! Component: 550  -  total flux cleaned = -0.000953018 Jy
! Component: 600  -  total flux cleaned = -0.000867823 Jy
! Component: 650  -  total flux cleaned = -0.000867478 Jy
! Component: 700  -  total flux cleaned = -0.000756292 Jy
! Component: 750  -  total flux cleaned = -0.000701436 Jy
! Component: 800  -  total flux cleaned = -0.000619944 Jy
! Component: 850  -  total flux cleaned = -0.000539646 Jy
! Component: 900  -  total flux cleaned = -0.000434627 Jy
! Component: 950  -  total flux cleaned = -0.000486928 Jy
! Component: 1000  -  total flux cleaned = -0.000409177 Jy
! Component: 1050  -  total flux cleaned = -0.000332274 Jy
! Component: 1100  -  total flux cleaned = -0.000307053 Jy
! Component: 1150  -  total flux cleaned = -0.000306908 Jy
! Component: 1200  -  total flux cleaned = -0.000307167 Jy
! Component: 1250  -  total flux cleaned = -0.000331968 Jy
! Component: 1300  -  total flux cleaned = -0.00033153 Jy
! Component: 1350  -  total flux cleaned = -0.000259253 Jy
! Component: 1400  -  total flux cleaned = -0.000211851 Jy
! Component: 1450  -  total flux cleaned = -0.000235427 Jy
! Component: 1500  -  total flux cleaned = -0.000165659 Jy
! Component: 1550  -  total flux cleaned = -0.000188958 Jy
! Component: 1600  -  total flux cleaned = -0.000189106 Jy
! Component: 1650  -  total flux cleaned = -5.25812e-05 Jy
! Component: 1700  -  total flux cleaned = -7.80464e-06 Jy
! Component: 1750  -  total flux cleaned = -3.03817e-05 Jy
! Component: 1800  -  total flux cleaned = 1.39126e-05 Jy
! Component: 1850  -  total flux cleaned = 0.000102151 Jy
! Component: 1900  -  total flux cleaned = 5.80559e-05 Jy
! Component: 1950  -  total flux cleaned = 8.00578e-05 Jy
! Component: 2000  -  total flux cleaned = 8.01037e-05 Jy
! Component: 2050  -  total flux cleaned = 0.000101754 Jy
! Component: 2100  -  total flux cleaned = 0.000165261 Jy
! Component: 2150  -  total flux cleaned = 0.000207342 Jy
! Component: 2200  -  total flux cleaned = 0.000207131 Jy
! Component: 2250  -  total flux cleaned = 0.00024885 Jy
! Component: 2300  -  total flux cleaned = 0.000289712 Jy
! Component: 2350  -  total flux cleaned = 0.000248748 Jy
! Component: 2400  -  total flux cleaned = 0.000249028 Jy
! Component: 2450  -  total flux cleaned = 0.000228779 Jy
! Component: 2500  -  total flux cleaned = 0.000228922 Jy
! Component: 2550  -  total flux cleaned = 0.000308705 Jy
! Component: 2600  -  total flux cleaned = 0.000288942 Jy
! Component: 2650  -  total flux cleaned = 0.000288725 Jy
! Component: 2700  -  total flux cleaned = 0.000210375 Jy
! Component: 2750  -  total flux cleaned = 0.000229805 Jy
! Component: 2800  -  total flux cleaned = 0.000287627 Jy
! Component: 2850  -  total flux cleaned = 0.000325883 Jy
! Component: 2900  -  total flux cleaned = 0.000192259 Jy
! Component: 2950  -  total flux cleaned = 0.000211163 Jy
! Component: 3000  -  total flux cleaned = 0.00022987 Jy
! Component: 3050  -  total flux cleaned = 0.000211095 Jy
! Component: 3100  -  total flux cleaned = 0.000173734 Jy
! Component: 3150  -  total flux cleaned = 0.000136732 Jy
! Component: 3200  -  total flux cleaned = 0.00015509 Jy
! Component: 3250  -  total flux cleaned = 0.000155085 Jy
! Component: 3300  -  total flux cleaned = 0.000136811 Jy
! Component: 3350  -  total flux cleaned = 0.000136835 Jy
! Component: 3400  -  total flux cleaned = 0.000118977 Jy
! Component: 3450  -  total flux cleaned = 0.000172271 Jy
! Component: 3500  -  total flux cleaned = 0.000118805 Jy
! Component: 3550  -  total flux cleaned = 0.000101144 Jy
! Component: 3600  -  total flux cleaned = 4.84888e-05 Jy
! Component: 3650  -  total flux cleaned = 0.000153133 Jy
! Component: 3700  -  total flux cleaned = 8.36541e-05 Jy
! Component: 3750  -  total flux cleaned = 4.89042e-05 Jy
! Component: 3800  -  total flux cleaned = 0.000100646 Jy
! Component: 3850  -  total flux cleaned = 0.000100756 Jy
! Component: 3900  -  total flux cleaned = -1.27394e-06 Jy
! Component: 3950  -  total flux cleaned = 0.000133852 Jy
! Component: 4000  -  total flux cleaned = 6.64463e-05 Jy
! Component: 4050  -  total flux cleaned = 6.66542e-05 Jy
! Total flux subtracted in 4096 components = 0.000100042 Jy
! Clean residual min=-0.000836 max=0.000968 Jy/beam
! Clean residual mean=-0.000003 rms=0.000329 Jy/beam
! Combined flux in latest and established models = 1.00628 Jy
keep
! Adding 295 model components to the UV plane model.
! The established model now contains 724 components and 1.00629 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /vlbi/bp222/maps//J2157-1807_S_map.fits
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.39 x 8.508 at 1.417 degrees (North through East)
! Clean map  min=-0.0019117  max=0.41611 Jy/beam
! Writing clean map to FITS file: /vlbi/bp222/maps//J2157-1807_S_map.fits
wmodel /vlbi/bp222/maps//J2157-1807_S_map.mod
! Writing 724 model components to file: /vlbi/bp222/maps//J2157-1807_S_map.mod
wobs   /vlbi/bp222/maps//J2157-1807_S_uvs.fits
! Writing UV FITS file: /vlbi/bp222/maps//J2157-1807_S_uvs.fits
wwins  /vlbi/bp222/maps//J2157-1807_S_map.win
! wwins: Wrote 9 windows to /vlbi/bp222/maps//J2157-1807_S_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.416113 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00032779 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.236323 0.236323 0.472645 0.94529 1.89058 3.78116 7.56232 15.1246 30.2493 60.4986
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0009 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.416 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  1269.45 
quit
! Quitting program
! Log file /vlbi/bp222/maps//J2157-1807_S_dfm.log closed on Thu Sep 27 11:39:55 2018