! Started logfile: /vlbi/uf001/uva//J1620+4901_S_dfm.log on Mon Jan 14 03:39:48 2019
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/uf001/uva//J1620+4901_S_uva.fits
! Reading UV FITS file: /vlbi/uf001/uva//J1620+4901_S_uva.fits
! AN table 1: 72 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.855247 visibilities/baseline/integration-bin.
! Found source: J1620+4901
! 
! There are 3 IFs, and a total of 3 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
! 
! Polarization(s): RR
! 
! Read 44 lines of history.
! 
! Reading 8313 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 3 channels.
! Selecting polarization: RR,  channels: 1..3
! Reading IF 1 channels: 1..1
! Reading IF 2 channels: 2..2
! Reading IF 3 channels: 3..3
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 J1620+4901_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 56 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 56 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 56 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.023818Jy  sigma=20.808786
! Fit after  self-cal, rms=0.801393Jy  sigma=16.219044
! 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=2.997 mas, bmaj=5.144 mas, bpa=-16.59 degrees
! Estimated noise=0.641357 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 = 0.151038 Jy
! Component: 100  -  total flux cleaned = 0.206437 Jy
! Total flux subtracted in 100 components = 0.206437 Jy
! Clean residual min=-0.012209 max=0.035372 Jy/beam
! Clean residual mean=0.000157 rms=0.004055 Jy/beam
! Combined flux in latest and established models = 0.206437 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 18 components and 0.206437 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.097989Jy  sigma=2.003149
! Fit after  self-cal, rms=0.097567Jy  sigma=1.995257
! Inverting map 
! Added new window around map position (1, 7.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0358488 Jy
! Component: 100  -  total flux cleaned = 0.0570257 Jy
! Total flux subtracted in 100 components = 0.0570257 Jy
! Clean residual min=-0.009124 max=0.020345 Jy/beam
! Clean residual mean=0.000104 rms=0.002779 Jy/beam
! Combined flux in latest and established models = 0.263463 Jy
! Performing phase self-cal
! Adding 29 model components to the UV plane model.
! The established model now contains 40 components and 0.263463 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.080687Jy  sigma=1.601483
! Fit after  self-cal, rms=0.079658Jy  sigma=1.584768
! Inverting map 
! Added new window around map position (10.5, 27).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0209843 Jy
! Component: 100  -  total flux cleaned = 0.0359562 Jy
! Total flux subtracted in 100 components = 0.0359562 Jy
! Clean residual min=-0.007020 max=0.008832 Jy/beam
! Clean residual mean=0.000081 rms=0.002054 Jy/beam
! Combined flux in latest and established models = 0.299419 Jy
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 61 components and 0.299419 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.072394Jy  sigma=1.415815
! Fit after  self-cal, rms=0.072060Jy  sigma=1.410948
! 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=3.641 mas, bmaj=6.025 mas, bpa=-16.33 degrees
! Estimated noise=0.387804 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 = 0.0169025 Jy
! Component: 100  -  total flux cleaned = 0.029214 Jy
! Component: 150  -  total flux cleaned = 0.0388453 Jy
! Component: 200  -  total flux cleaned = 0.0466257 Jy
! Total flux subtracted in 200 components = 0.0466257 Jy
! Clean residual min=-0.006093 max=0.007023 Jy/beam
! Clean residual mean=0.000059 rms=0.001727 Jy/beam
! Combined flux in latest and established models = 0.346045 Jy
! Performing phase self-cal
! Adding 73 model components to the UV plane model.
! The established model now contains 123 components and 0.346045 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.066872Jy  sigma=1.281277
! Fit after  self-cal, rms=0.066653Jy  sigma=1.277752
! Inverting map 
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.641 x 6.025 at -16.33 degrees (North through East)
! Clean map  min=-0.0059687  max=0.19843 Jy/beam
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.12     FD        0.93     HN        0.98     KP        1.00     
!   LA        0.89     MK        1.04     NL        1.07     OV        0.99     
!   PT        0.98     SC        1.01     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.13     FD        0.93     HN        0.98     KP        1.01     
!   LA        0.90     MK        1.06     NL        1.05     OV        0.96     
!   PT        0.98     SC        1.03     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.13     FD        0.92     HN        0.98     KP        1.00     
!   LA        0.92     MK        1.04     NL        1.04     OV        0.98     
!   PT        0.97     SC        1.05     
! 
! 
! Fit before self-cal, rms=0.066653Jy  sigma=1.277752
! Fit after  self-cal, rms=0.064842Jy  sigma=1.210604
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.7 mas, bmaj=6.125 mas, bpa=-16.49 degrees
! Estimated noise=0.384007 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 (6.5, 31.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00715487 Jy
! Component: 100  -  total flux cleaned = 0.0118133 Jy
! Component: 150  -  total flux cleaned = 0.015071 Jy
! Component: 200  -  total flux cleaned = 0.0174053 Jy
! Total flux subtracted in 200 components = 0.0174053 Jy
! Clean residual min=-0.003107 max=0.003520 Jy/beam
! Clean residual mean=0.000007 rms=0.000830 Jy/beam
! Combined flux in latest and established models = 0.36345 Jy
! Performing phase self-cal
! Adding 40 model components to the UV plane model.
! The established model now contains 162 components and 0.36345 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063956Jy  sigma=1.188572
! Fit after  self-cal, rms=0.063966Jy  sigma=1.187375
! 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.
! 
! Fit before self-cal, rms=0.063966Jy  sigma=1.187375
! Fit after  self-cal, rms=0.063603Jy  sigma=1.171096
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=3.703 mas, bmaj=6.155 mas, bpa=-16.58 degrees
! Estimated noise=0.384807 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00126926 Jy
! Component: 100  -  total flux cleaned = 0.00189874 Jy
! Component: 150  -  total flux cleaned = 0.00224871 Jy
! Component: 200  -  total flux cleaned = 0.0025936 Jy
! Total flux subtracted in 200 components = 0.0025936 Jy
! Clean residual min=-0.002260 max=0.002452 Jy/beam
! Clean residual mean=-0.000001 rms=0.000577 Jy/beam
! Combined flux in latest and established models = 0.366043 Jy
selfcal
! Performing phase self-cal
! Adding 24 model components to the UV plane model.
! The established model now contains 176 components and 0.366043 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063502Jy  sigma=1.168808
! Fit after  self-cal, rms=0.063492Jy  sigma=1.168613
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 (4, 15.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00192033 Jy
! Component: 100  -  total flux cleaned = 0.00198005 Jy
! Component: 150  -  total flux cleaned = 0.00214125 Jy
! Component: 200  -  total flux cleaned = 0.00228654 Jy
! Total flux subtracted in 200 components = 0.00228654 Jy
! Clean residual min=-0.002095 max=0.002359 Jy/beam
! Clean residual mean=-0.000003 rms=0.000545 Jy/beam
! Combined flux in latest and established models = 0.36833 Jy
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 197 components and 0.36833 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063392Jy  sigma=1.166641
! Fit after  self-cal, rms=0.063379Jy  sigma=1.166421
! Inverting map 
! Added new window around map position (10, 61.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0024071 Jy
! Component: 100  -  total flux cleaned = 0.00400665 Jy
! Component: 150  -  total flux cleaned = 0.00519616 Jy
! Component: 200  -  total flux cleaned = 0.0060244 Jy
! Total flux subtracted in 200 components = 0.0060244 Jy
! Clean residual min=-0.001929 max=0.002032 Jy/beam
! Clean residual mean=0.000000 rms=0.000480 Jy/beam
! Combined flux in latest and established models = 0.374354 Jy
! Performing phase self-cal
! Adding 36 model components to the UV plane model.
! The established model now contains 228 components and 0.374354 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063264Jy  sigma=1.163718
! Fit after  self-cal, rms=0.063256Jy  sigma=1.163570
! Inverting map 
! Added new window around map position (102, -53.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00170763 Jy
! Component: 100  -  total flux cleaned = 0.00255123 Jy
! Component: 150  -  total flux cleaned = 0.00307132 Jy
! Component: 200  -  total flux cleaned = 0.00354999 Jy
! Total flux subtracted in 200 components = 0.00354999 Jy
! Clean residual min=-0.001794 max=0.001791 Jy/beam
! Clean residual mean=-0.000001 rms=0.000452 Jy/beam
! Combined flux in latest and established models = 0.377904 Jy
! Performing phase self-cal
! Adding 34 model components to the UV plane model.
! The established model now contains 250 components and 0.377904 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063179Jy  sigma=1.162180
! Fit after  self-cal, rms=0.063176Jy  sigma=1.162123
! 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.
! 
! Fit before self-cal, rms=0.063176Jy  sigma=1.162123
! Fit after  self-cal, rms=0.063059Jy  sigma=1.161529
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=3.701 mas, bmaj=6.157 mas, bpa=-16.58 degrees
! Estimated noise=0.384062 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000974321 Jy
! Component: 100  -  total flux cleaned = 0.00160171 Jy
! Component: 150  -  total flux cleaned = 0.00202706 Jy
! Component: 200  -  total flux cleaned = 0.00235346 Jy
! Total flux subtracted in 200 components = 0.00235346 Jy
! Clean residual min=-0.001778 max=0.001777 Jy/beam
! Clean residual mean=-0.000002 rms=0.000422 Jy/beam
! Combined flux in latest and established models = 0.380258 Jy
selfcal
! Performing phase self-cal
! Adding 34 model components to the UV plane model.
! The established model now contains 262 components and 0.380258 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063014Jy  sigma=1.160662
! Fit after  self-cal, rms=0.063012Jy  sigma=1.160623
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 = 0.000462477 Jy
! Component: 100  -  total flux cleaned = 0.000794772 Jy
! Component: 150  -  total flux cleaned = 0.00105126 Jy
! Component: 200  -  total flux cleaned = 0.00126761 Jy
! Total flux subtracted in 200 components = 0.00126761 Jy
! Clean residual min=-0.001739 max=0.001753 Jy/beam
! Clean residual mean=-0.000002 rms=0.000412 Jy/beam
! Combined flux in latest and established models = 0.381525 Jy
! Performing phase self-cal
! Adding 40 model components to the UV plane model.
! The established model now contains 271 components and 0.381525 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.062986Jy  sigma=1.160141
! Fit after  self-cal, rms=0.062984Jy  sigma=1.160128
! Inverting map 
! Added new window around map position (-98, 8.5).
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00118461 Jy
! Component: 100  -  total flux cleaned = 0.00121934 Jy
! Component: 150  -  total flux cleaned = 0.00163631 Jy
! Component: 200  -  total flux cleaned = 0.00198852 Jy
! Total flux subtracted in 200 components = 0.00198852 Jy
! Clean residual min=-0.001602 max=0.001499 Jy/beam
! Clean residual mean=-0.000001 rms=0.000388 Jy/beam
! Combined flux in latest and established models = 0.383514 Jy
! Performing phase self-cal
! Adding 32 model components to the UV plane model.
! The established model now contains 292 components and 0.383514 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.062932Jy  sigma=1.158940
! Fit after  self-cal, rms=0.062931Jy  sigma=1.158906
! 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.
! 
! Fit before self-cal, rms=0.062931Jy  sigma=1.158906
! Fit after  self-cal, rms=0.062984Jy  sigma=1.158784
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=7.74 mas, bmaj=9.298 mas, bpa=-22.29 degrees
! Estimated noise=0.458685 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00105913 Jy
! Component: 100  -  total flux cleaned = 0.00177968 Jy
! Component: 150  -  total flux cleaned = 0.00218425 Jy
! Component: 200  -  total flux cleaned = 0.00246682 Jy
! Total flux subtracted in 200 components = 0.00246682 Jy
! Clean residual min=-0.001688 max=0.001562 Jy/beam
! Clean residual mean=-0.000002 rms=0.000420 Jy/beam
! Combined flux in latest and established models = 0.385981 Jy
selfcal
! Performing phase self-cal
! Adding 30 model components to the UV plane model.
! The established model now contains 318 components and 0.385981 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.062972Jy  sigma=1.158379
! Fit after  self-cal, rms=0.062971Jy  sigma=1.158347
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 = 0.00051159 Jy
! Component: 100  -  total flux cleaned = 0.000815825 Jy
! Component: 150  -  total flux cleaned = 0.00102653 Jy
! Component: 200  -  total flux cleaned = 0.00120123 Jy
! Total flux subtracted in 200 components = 0.00120123 Jy
! Clean residual min=-0.001572 max=0.001483 Jy/beam
! Clean residual mean=-0.000001 rms=0.000398 Jy/beam
! Combined flux in latest and established models = 0.387182 Jy
! Performing phase self-cal
! Adding 42 model components to the UV plane model.
! The established model now contains 340 components and 0.387182 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.062967Jy  sigma=1.158154
! Fit after  self-cal, rms=0.062967Jy  sigma=1.158143
! 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=3.704 mas, bmaj=6.163 mas, bpa=-16.58 degrees
! Estimated noise=0.383987 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.704 x 6.163 at -16.58 degrees (North through East)
! Clean map  min=-0.0015089  max=0.19608 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=3.047 mas, bmaj=5.257 mas, bpa=-17 degrees
! Estimated noise=0.640241 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.150198 Jy
! Component: 100  -  total flux cleaned = 0.208868 Jy
! Component: 150  -  total flux cleaned = 0.241931 Jy
! Component: 200  -  total flux cleaned = 0.264438 Jy
! Total flux subtracted in 200 components = 0.264438 Jy
! Clean residual min=-0.007188 max=0.012714 Jy/beam
! Clean residual mean=0.000064 rms=0.002130 Jy/beam
! Combined flux in latest and established models = 0.264438 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 35 model components to the UV plane model.
! The established model now contains 35 components and 0.264438 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.704 mas, bmaj=6.163 mas, bpa=-16.58 degrees
! Estimated noise=0.383987 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 = 0.0218109 Jy
! Component: 100  -  total flux cleaned = 0.0373569 Jy
! Component: 150  -  total flux cleaned = 0.0490312 Jy
! Component: 200  -  total flux cleaned = 0.0581532 Jy
! Total flux subtracted in 200 components = 0.0581532 Jy
! Clean residual min=-0.003943 max=0.005397 Jy/beam
! Clean residual mean=0.000027 rms=0.001154 Jy/beam
! Combined flux in latest and established models = 0.322591 Jy
! Adding 73 model components to the UV plane model.
! The established model now contains 97 components and 0.322591 Jy
! Inverting map 
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00732069 Jy
! Component: 100  -  total flux cleaned = 0.0132778 Jy
! Component: 150  -  total flux cleaned = 0.0181782 Jy
! Component: 200  -  total flux cleaned = 0.0222649 Jy
! Total flux subtracted in 200 components = 0.0222649 Jy
! Clean residual min=-0.002750 max=0.002590 Jy/beam
! Clean residual mean=0.000009 rms=0.000731 Jy/beam
! Combined flux in latest and established models = 0.344856 Jy
! Adding 72 model components to the UV plane model.
! The established model now contains 158 components and 0.344856 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=7.74 mas, bmaj=9.298 mas, bpa=-22.29 degrees
! Estimated noise=0.458685 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00598593 Jy
! Component: 100  -  total flux cleaned = 0.0105776 Jy
! Component: 150  -  total flux cleaned = 0.0143095 Jy
! Component: 200  -  total flux cleaned = 0.0174498 Jy
! Total flux subtracted in 200 components = 0.0174498 Jy
! Clean residual min=-0.002681 max=0.002329 Jy/beam
! Clean residual mean=0.000007 rms=0.000759 Jy/beam
! Combined flux in latest and established models = 0.362306 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 = 0.00269621 Jy
! Component: 100  -  total flux cleaned = 0.00504148 Jy
! Component: 150  -  total flux cleaned = 0.00711123 Jy
! Component: 200  -  total flux cleaned = 0.00896818 Jy
! Total flux subtracted in 200 components = 0.00896818 Jy
! Clean residual min=-0.002196 max=0.001948 Jy/beam
! Clean residual mean=0.000004 rms=0.000592 Jy/beam
! Combined flux in latest and established models = 0.371274 Jy
! Adding 180 model components to the UV plane model.
! The established model now contains 308 components and 0.371274 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.704 mas, bmaj=6.163 mas, bpa=-16.58 degrees
! Estimated noise=0.383987 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00179928 Jy
! Component: 100  -  total flux cleaned = 0.00315283 Jy
! Component: 150  -  total flux cleaned = 0.00437856 Jy
! Component: 200  -  total flux cleaned = 0.00555082 Jy
! Total flux subtracted in 200 components = 0.00555082 Jy
! Clean residual min=-0.001731 max=0.001742 Jy/beam
! Clean residual mean=0.000001 rms=0.000434 Jy/beam
! Combined flux in latest and established models = 0.376825 Jy
selfcal
! Performing phase self-cal
! Adding 32 model components to the UV plane model.
! The established model now contains 338 components and 0.376825 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.063179Jy  sigma=1.161637
! Fit after  self-cal, rms=0.063136Jy  sigma=1.161061
wmodel J1620+4901_S_map.mod
! Writing 338 model components to file: J1620+4901_S_map.mod
wobs   J1620+4901_S_uvs.fits
! Writing UV FITS file: J1620+4901_S_uvs.fits
wwins  J1620+4901_S_map.win
! wwins: Wrote 8 windows to J1620+4901_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 = 0.000313111 Jy
! Component: 100  -  total flux cleaned = 0.000458811 Jy
! Component: 150  -  total flux cleaned = 0.000597452 Jy
! Component: 200  -  total flux cleaned = 0.000784534 Jy
! Component: 250  -  total flux cleaned = 0.000990424 Jy
! Component: 300  -  total flux cleaned = 0.00106477 Jy
! Component: 350  -  total flux cleaned = 0.00113882 Jy
! Component: 400  -  total flux cleaned = 0.00121052 Jy
! Component: 450  -  total flux cleaned = 0.00118732 Jy
! Component: 500  -  total flux cleaned = 0.00123309 Jy
! Component: 550  -  total flux cleaned = 0.0012112 Jy
! Component: 600  -  total flux cleaned = 0.00125557 Jy
! Component: 650  -  total flux cleaned = 0.00129853 Jy
! Component: 700  -  total flux cleaned = 0.00131967 Jy
! Component: 750  -  total flux cleaned = 0.00136119 Jy
! Component: 800  -  total flux cleaned = 0.00136103 Jy
! Component: 850  -  total flux cleaned = 0.00140108 Jy
! Component: 900  -  total flux cleaned = 0.00146026 Jy
! Component: 950  -  total flux cleaned = 0.00140117 Jy
! Component: 1000  -  total flux cleaned = 0.00140145 Jy
! Component: 1050  -  total flux cleaned = 0.00140158 Jy
! Component: 1100  -  total flux cleaned = 0.00136386 Jy
! Component: 1150  -  total flux cleaned = 0.00138232 Jy
! Component: 1200  -  total flux cleaned = 0.00134546 Jy
! Component: 1250  -  total flux cleaned = 0.00132681 Jy
! Component: 1300  -  total flux cleaned = 0.00129092 Jy
! Component: 1350  -  total flux cleaned = 0.00129093 Jy
! Component: 1400  -  total flux cleaned = 0.00132629 Jy
! Component: 1450  -  total flux cleaned = 0.00123955 Jy
! Component: 1500  -  total flux cleaned = 0.0012226 Jy
! Component: 1550  -  total flux cleaned = 0.00120569 Jy
! Component: 1600  -  total flux cleaned = 0.00113859 Jy
! Component: 1650  -  total flux cleaned = 0.0011552 Jy
! Component: 1700  -  total flux cleaned = 0.00112232 Jy
! Component: 1750  -  total flux cleaned = 0.0011061 Jy
! Component: 1800  -  total flux cleaned = 0.00105776 Jy
! Component: 1850  -  total flux cleaned = 0.00107382 Jy
! Component: 1900  -  total flux cleaned = 0.00104196 Jy
! Component: 1950  -  total flux cleaned = 0.000979141 Jy
! Component: 2000  -  total flux cleaned = 0.00099457 Jy
! Component: 2050  -  total flux cleaned = 0.000994393 Jy
! Component: 2100  -  total flux cleaned = 0.000918137 Jy
! Component: 2150  -  total flux cleaned = 0.000903172 Jy
! Component: 2200  -  total flux cleaned = 0.000873151 Jy
! Component: 2250  -  total flux cleaned = 0.000843527 Jy
! Component: 2300  -  total flux cleaned = 0.000843687 Jy
! Component: 2350  -  total flux cleaned = 0.000887467 Jy
! Component: 2400  -  total flux cleaned = 0.000872949 Jy
! Component: 2450  -  total flux cleaned = 0.000844401 Jy
! Component: 2500  -  total flux cleaned = 0.000787675 Jy
! Component: 2550  -  total flux cleaned = 0.000745295 Jy
! Component: 2600  -  total flux cleaned = 0.000773409 Jy
! Component: 2650  -  total flux cleaned = 0.000787395 Jy
! Component: 2700  -  total flux cleaned = 0.000801022 Jy
! Component: 2750  -  total flux cleaned = 0.000814689 Jy
! Component: 2800  -  total flux cleaned = 0.000760447 Jy
! Component: 2850  -  total flux cleaned = 0.000706644 Jy
! Component: 2900  -  total flux cleaned = 0.000733433 Jy
! Component: 2950  -  total flux cleaned = 0.000680483 Jy
! Component: 3000  -  total flux cleaned = 0.000680431 Jy
! Component: 3050  -  total flux cleaned = 0.000628335 Jy
! Component: 3100  -  total flux cleaned = 0.000628204 Jy
! Component: 3150  -  total flux cleaned = 0.000602492 Jy
! Component: 3200  -  total flux cleaned = 0.000526294 Jy
! Component: 3250  -  total flux cleaned = 0.000488407 Jy
! Component: 3300  -  total flux cleaned = 0.000538784 Jy
! Component: 3350  -  total flux cleaned = 0.000489 Jy
! Component: 3400  -  total flux cleaned = 0.000525982 Jy
! Component: 3450  -  total flux cleaned = 0.000440034 Jy
! Component: 3500  -  total flux cleaned = 0.000427963 Jy
! Component: 3550  -  total flux cleaned = 0.000415837 Jy
! Component: 3600  -  total flux cleaned = 0.000391786 Jy
! Component: 3650  -  total flux cleaned = 0.00035592 Jy
! Component: 3700  -  total flux cleaned = 0.000273098 Jy
! Component: 3750  -  total flux cleaned = 0.000343844 Jy
! Component: 3800  -  total flux cleaned = 0.000343773 Jy
! Component: 3850  -  total flux cleaned = 0.000320374 Jy
! Component: 3900  -  total flux cleaned = 0.000308659 Jy
! Component: 3950  -  total flux cleaned = 0.000216866 Jy
! Component: 4000  -  total flux cleaned = 0.000228366 Jy
! Component: 4050  -  total flux cleaned = 0.000251176 Jy
! Total flux subtracted in 4096 components = 0.000239803 Jy
! Clean residual min=-0.000699 max=0.000738 Jy/beam
! Clean residual mean=0.000001 rms=0.000206 Jy/beam
! Combined flux in latest and established models = 0.377065 Jy
keep
! Adding 297 model components to the UV plane model.
! The established model now contains 635 components and 0.377065 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /vlbi/uf001/uva//J1620+4901_S_map.fits
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.704 x 6.163 at -16.58 degrees (North through East)
! Clean map  min=-0.0012915  max=0.19723 Jy/beam
! Writing clean map to FITS file: /vlbi/uf001/uva//J1620+4901_S_map.fits
wmodel /vlbi/uf001/uva//J1620+4901_S_map.mod
! Writing 635 model components to file: /vlbi/uf001/uva//J1620+4901_S_map.mod
wobs   /vlbi/uf001/uva//J1620+4901_S_uvs.fits
! Writing UV FITS file: /vlbi/uf001/uva//J1620+4901_S_uvs.fits
wwins  /vlbi/uf001/uva//J1620+4901_S_map.win
! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1620+4901_S_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.197234 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000207863 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.316167 0.316167 0.632334 1.26467 2.52934 5.05867 10.1173 20.2347 40.4694 80.9387
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0006 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.197 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  948.865 
quit
! Quitting program
! Log file /vlbi/uf001/uva//J1620+4901_S_dfm.log closed on Mon Jan 14 03:39:53 2019