! Started logfile: /vlbi/uf001/uvm//J2253+1942_S_b_dfm.log on Sun Jan 13 22:41:34 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/uvm//J2253+1942_S_b_uvm.fits
! Reading UV FITS file: /vlbi/uf001/uvm//J2253+1942_S_b_uvm.fits
! AN table 1: 7 integrations on 21 of 21 possible baselines.
! AN table 2: 14 integrations on 36 of 36 possible baselines.
! AN table 3: 10 integrations on 28 of 28 possible baselines.
! Apparent sampling: 0.728249 visibilities/baseline/integration-bin.
! Found source: J2253+1942
! 
! 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 40 lines of history.
! 
! Reading 2034 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 J2253+1942_S_b]
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 10 telescope corrections were flagged in sub-array 1.
!  A total of 68 telescope corrections were flagged in sub-array 2.
!  A total of 29 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 10 telescope corrections were flagged in sub-array 1.
!  A total of 68 telescope corrections were flagged in sub-array 2.
!  A total of 29 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 10 telescope corrections were flagged in sub-array 1.
!  A total of 68 telescope corrections were flagged in sub-array 2.
!  A total of 29 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.055587Jy  sigma=21.008058
! Fit after  self-cal, rms=0.717982Jy  sigma=14.382480
! 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=3.79 mas, bmaj=10.36 mas, bpa=-13.06 degrees
! Estimated noise=1.1933 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 = 0.21581 Jy
! Component: 100  -  total flux cleaned = 0.264735 Jy
! Total flux subtracted in 100 components = 0.264735 Jy
! Clean residual min=-0.014717 max=0.018147 Jy/beam
! Clean residual mean=-0.000045 rms=0.003903 Jy/beam
! Combined flux in latest and established models = 0.264735 Jy
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 10 components and 0.264735 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.110115Jy  sigma=1.760611
! Fit after  self-cal, rms=0.110112Jy  sigma=1.760515
! 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=4.682 mas, bmaj=10.99 mas, bpa=-14.7 degrees
! Estimated noise=0.998729 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 = 0.0247447 Jy
! Component: 100  -  total flux cleaned = 0.0372935 Jy
! Component: 150  -  total flux cleaned = 0.0444167 Jy
! Component: 200  -  total flux cleaned = 0.0471333 Jy
! Total flux subtracted in 200 components = 0.0471333 Jy
! Clean residual min=-0.011405 max=0.012878 Jy/beam
! Clean residual mean=-0.000031 rms=0.002946 Jy/beam
! Combined flux in latest and established models = 0.311868 Jy
! Performing phase self-cal
! Adding 55 model components to the UV plane model.
! The established model now contains 63 components and 0.311868 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.104774Jy  sigma=1.622204
! Fit after  self-cal, rms=0.104747Jy  sigma=1.621560
! Inverting map 
print "============== Finished natural weighting clean =============="
! ============== Finished natural weighting clean ============== 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.682 x 10.99 at -14.7 degrees (North through East)
! Clean map  min=-0.011121  max=0.28422 Jy/beam
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.00     HN        0.95     KP        1.03     LA        0.96     
!   NL        1.02     OV        0.94     PT        1.02     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.45     FD        0.96     HN        1.01     KP        1.01     
!   LA        0.92     MK        1.10     NL        1.03     OV        0.97     
!   PT        1.02     
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.94     FD        1.03     HN        0.99     KP        1.02     
!   LA        0.94     MK        0.99     NL        1.11     PT        1.00     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     HN        0.97     KP        1.08     LA        0.99     
!   NL        1.05     OV        0.93     PT        1.01     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        2.02     FD        1.08     HN        0.99     KP        1.00     
!   LA        0.91     MK        1.03     NL        1.11     OV        0.86     
!   PT        1.06     
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.48     FD        1.04     HN        1.03     KP        1.07     
!   LA        0.96     MK        1.00     NL        0.69     PT        0.95     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.95     HN        1.06     KP        1.04     LA        0.97     
!   NL        1.02     OV        0.99     PT        0.99     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.56     FD        1.10     HN        1.06     KP        0.99     
!   LA        0.89     MK        1.02     NL        1.05     OV        1.01     
!   PT        1.02     
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.90     FD        1.06     HN        0.96     KP        1.01     
!   LA        0.95     MK        1.06     NL        0.95     PT        1.03     
! 
! 
! Fit before self-cal, rms=0.104747Jy  sigma=1.621560
! Fit after  self-cal, rms=0.069388Jy  sigma=1.179917
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.718 mas, bmaj=11.12 mas, bpa=-14.74 degrees
! Estimated noise=1.00464 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 = -0.00093304 Jy
! Component: 100  -  total flux cleaned = -0.00109733 Jy
! Component: 150  -  total flux cleaned = -0.00116147 Jy
! Component: 200  -  total flux cleaned = -0.00121792 Jy
! Total flux subtracted in 200 components = -0.00121792 Jy
! Clean residual min=-0.004773 max=0.004763 Jy/beam
! Clean residual mean=-0.000027 rms=0.001323 Jy/beam
! Combined flux in latest and established models = 0.31065 Jy
! Performing phase self-cal
! Adding 20 model components to the UV plane model.
! The established model now contains 81 components and 0.31065 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.069183Jy  sigma=1.176907
! Fit after  self-cal, rms=0.069384Jy  sigma=1.174768
! 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=0.069384Jy  sigma=1.174768
! Fit after  self-cal, rms=0.067966Jy  sigma=1.108840
dynam = dynam - 0.75
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=4.719 mas, bmaj=11.12 mas, bpa=-14.85 degrees
! Estimated noise=1.00486 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -4.39847e-05 Jy
! Component: 100  -  total flux cleaned = -0.000300632 Jy
! Component: 150  -  total flux cleaned = -0.000459326 Jy
! Component: 200  -  total flux cleaned = -0.000602269 Jy
! Total flux subtracted in 200 components = -0.000602269 Jy
! Clean residual min=-0.004436 max=0.003744 Jy/beam
! Clean residual mean=-0.000023 rms=0.001044 Jy/beam
! Combined flux in latest and established models = 0.310048 Jy
selfcal
! Performing phase self-cal
! Adding 14 model components to the UV plane model.
! The established model now contains 92 components and 0.310048 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.067838Jy  sigma=1.106594
! Fit after  self-cal, rms=0.067850Jy  sigma=1.106252
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 = -1.05714e-06 Jy
! Component: 100  -  total flux cleaned = -0.000221306 Jy
! Component: 150  -  total flux cleaned = -0.000417064 Jy
! Component: 200  -  total flux cleaned = -0.000527411 Jy
! Total flux subtracted in 200 components = -0.000527411 Jy
! Clean residual min=-0.004322 max=0.003646 Jy/beam
! Clean residual mean=-0.000024 rms=0.001036 Jy/beam
! Combined flux in latest and established models = 0.30952 Jy
! Performing phase self-cal
! Adding 15 model components to the UV plane model.
! The established model now contains 99 components and 0.30952 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.067790Jy  sigma=1.105274
! Fit after  self-cal, rms=0.067796Jy  sigma=1.105171
! 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=0.067796Jy  sigma=1.105171
! Fit after  self-cal, rms=0.068063Jy  sigma=1.104755
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=4.72 mas, bmaj=11.13 mas, bpa=-14.92 degrees
! Estimated noise=1.00643 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000101414 Jy
! Component: 100  -  total flux cleaned = -2.63321e-05 Jy
! Component: 150  -  total flux cleaned = -0.000140895 Jy
! Component: 200  -  total flux cleaned = -0.000281658 Jy
! Total flux subtracted in 200 components = -0.000281658 Jy
! Clean residual min=-0.004288 max=0.003646 Jy/beam
! Clean residual mean=-0.000024 rms=0.001025 Jy/beam
! Combined flux in latest and established models = 0.309239 Jy
selfcal
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 108 components and 0.309239 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.068005Jy  sigma=1.103818
! Fit after  self-cal, rms=0.068015Jy  sigma=1.103755
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 = 8.29173e-05 Jy
! Component: 100  -  total flux cleaned = -4.47316e-05 Jy
! Component: 150  -  total flux cleaned = -0.000133518 Jy
! Component: 200  -  total flux cleaned = -0.000216047 Jy
! Total flux subtracted in 200 components = -0.000216047 Jy
! Clean residual min=-0.004234 max=0.003625 Jy/beam
! Clean residual mean=-0.000024 rms=0.001022 Jy/beam
! Combined flux in latest and established models = 0.309023 Jy
! Performing phase self-cal
! Adding 13 model components to the UV plane model.
! The established model now contains 112 components and 0.309023 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.067983Jy  sigma=1.103261
! Fit after  self-cal, rms=0.067988Jy  sigma=1.103222
! 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=0.067988Jy  sigma=1.103222
! Fit after  self-cal, rms=0.068234Jy  sigma=1.102993
clean clean_niter,clean_gain
! Inverting map and beam 
! Estimated beam: bmin=8.133 mas, bmaj=12.11 mas, bpa=-25.14 degrees
! Estimated noise=1.12436 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000313849 Jy
! Component: 100  -  total flux cleaned = -0.000357513 Jy
! Component: 150  -  total flux cleaned = -0.00037501 Jy
! Component: 200  -  total flux cleaned = -0.00042047 Jy
! Total flux subtracted in 200 components = -0.00042047 Jy
! Clean residual min=-0.004010 max=0.003928 Jy/beam
! Clean residual mean=-0.000038 rms=0.001150 Jy/beam
! Combined flux in latest and established models = 0.308602 Jy
selfcal
! Performing phase self-cal
! Adding 16 model components to the UV plane model.
! The established model now contains 120 components and 0.308602 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.068211Jy  sigma=1.102794
! Fit after  self-cal, rms=0.068218Jy  sigma=1.102745
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 = -0.000108737 Jy
! Component: 100  -  total flux cleaned = -0.000108607 Jy
! Component: 150  -  total flux cleaned = -9.57857e-05 Jy
! Component: 200  -  total flux cleaned = -8.44482e-05 Jy
! Total flux subtracted in 200 components = -8.44482e-05 Jy
! Clean residual min=-0.004002 max=0.003949 Jy/beam
! Clean residual mean=-0.000039 rms=0.001147 Jy/beam
! Combined flux in latest and established models = 0.308518 Jy
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 131 components and 0.308518 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.068205Jy  sigma=1.102715
! Fit after  self-cal, rms=0.068209Jy  sigma=1.102697
! 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=4.72 mas, bmaj=11.14 mas, bpa=-14.97 degrees
! Estimated noise=1.00806 mJy/beam.
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.72 x 11.14 at -14.97 degrees (North through East)
! Clean map  min=-0.0041661  max=0.2863 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=3.838 mas, bmaj=10.5 mas, bpa=-13.19 degrees
! Estimated noise=1.21791 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.219751 Jy
! Component: 100  -  total flux cleaned = 0.268442 Jy
! Component: 150  -  total flux cleaned = 0.286163 Jy
! Component: 200  -  total flux cleaned = 0.296659 Jy
! Total flux subtracted in 200 components = 0.296659 Jy
! Clean residual min=-0.006313 max=0.006275 Jy/beam
! Clean residual mean=-0.000025 rms=0.001476 Jy/beam
! Combined flux in latest and established models = 0.296659 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 29 model components to the UV plane model.
! The established model now contains 29 components and 0.296659 Jy
! Inverting map and beam 
! Estimated beam: bmin=4.72 mas, bmaj=11.14 mas, bpa=-14.97 degrees
! Estimated noise=1.00806 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 = 0.00721771 Jy
! Component: 100  -  total flux cleaned = 0.00894741 Jy
! Component: 150  -  total flux cleaned = 0.0102774 Jy
! Component: 200  -  total flux cleaned = 0.0110777 Jy
! Total flux subtracted in 200 components = 0.0110777 Jy
! Clean residual min=-0.004731 max=0.003904 Jy/beam
! Clean residual mean=-0.000026 rms=0.001047 Jy/beam
! Combined flux in latest and established models = 0.307736 Jy
! Adding 27 model components to the UV plane model.
! The established model now contains 48 components and 0.307737 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=8.133 mas, bmaj=12.11 mas, bpa=-25.14 degrees
! Estimated noise=1.12436 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000900947 Jy
! Component: 100  -  total flux cleaned = 0.00115715 Jy
! Component: 150  -  total flux cleaned = 0.00131726 Jy
! Component: 200  -  total flux cleaned = 0.00139625 Jy
! Total flux subtracted in 200 components = 0.00139625 Jy
! Clean residual min=-0.003993 max=0.003976 Jy/beam
! Clean residual mean=-0.000038 rms=0.001151 Jy/beam
! Combined flux in latest and established models = 0.309133 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 = -2.3076e-05 Jy
! Component: 100  -  total flux cleaned = -4.40354e-05 Jy
! Component: 150  -  total flux cleaned = -8.45249e-05 Jy
! Component: 200  -  total flux cleaned = -0.000103669 Jy
! Total flux subtracted in 200 components = -0.000103669 Jy
! Clean residual min=-0.003990 max=0.003954 Jy/beam
! Clean residual mean=-0.000038 rms=0.001149 Jy/beam
! Combined flux in latest and established models = 0.309029 Jy
! Adding 29 model components to the UV plane model.
! The established model now contains 74 components and 0.309029 Jy
! Inverting map 
uvtaper 0,0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=4.72 mas, bmaj=11.14 mas, bpa=-14.97 degrees
! Estimated noise=1.00806 mJy/beam.
! clean: niter=200  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000122568 Jy
! Component: 100  -  total flux cleaned = 0.000271712 Jy
! Component: 150  -  total flux cleaned = 0.000308019 Jy
! Component: 200  -  total flux cleaned = 0.000279902 Jy
! Total flux subtracted in 200 components = 0.000279902 Jy
! Clean residual min=-0.004285 max=0.003636 Jy/beam
! Clean residual mean=-0.000023 rms=0.001024 Jy/beam
! Combined flux in latest and established models = 0.309309 Jy
selfcal
! Performing phase self-cal
! Adding 10 model components to the UV plane model.
! The established model now contains 84 components and 0.309309 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Fit before self-cal, rms=0.068248Jy  sigma=1.104702
! Fit after  self-cal, rms=0.068260Jy  sigma=1.104241
wmodel J2253+1942_S_b_map.mod
! Writing 84 model components to file: J2253+1942_S_b_map.mod
wobs   J2253+1942_S_b_uvs.fits
! Writing UV FITS file: J2253+1942_S_b_uvs.fits
wwins  J2253+1942_S_b_map.win
! wwins: Wrote 1 windows to J2253+1942_S_b_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 = -0.00163669 Jy
! Component: 100  -  total flux cleaned = -0.00230601 Jy
! Component: 150  -  total flux cleaned = -0.00300282 Jy
! Component: 200  -  total flux cleaned = -0.00360784 Jy
! Component: 250  -  total flux cleaned = -0.0043068 Jy
! Component: 300  -  total flux cleaned = -0.00481428 Jy
! Component: 350  -  total flux cleaned = -0.00525475 Jy
! Component: 400  -  total flux cleaned = -0.00595041 Jy
! Component: 450  -  total flux cleaned = -0.0063147 Jy
! Component: 500  -  total flux cleaned = -0.0066708 Jy
! Component: 550  -  total flux cleaned = -0.00687108 Jy
! Component: 600  -  total flux cleaned = -0.00716421 Jy
! Component: 650  -  total flux cleaned = -0.00725955 Jy
! Component: 700  -  total flux cleaned = -0.00735456 Jy
! Component: 750  -  total flux cleaned = -0.00753952 Jy
! Component: 800  -  total flux cleaned = -0.00767663 Jy
! Component: 850  -  total flux cleaned = -0.00794581 Jy
! Component: 900  -  total flux cleaned = -0.00820984 Jy
! Component: 950  -  total flux cleaned = -0.00833987 Jy
! Component: 1000  -  total flux cleaned = -0.0086386 Jy
! Component: 1050  -  total flux cleaned = -0.00884789 Jy
! Component: 1100  -  total flux cleaned = -0.00897218 Jy
! Component: 1150  -  total flux cleaned = -0.00929807 Jy
! Component: 1200  -  total flux cleaned = -0.00929769 Jy
! Component: 1250  -  total flux cleaned = -0.00961435 Jy
! Component: 1300  -  total flux cleaned = -0.00984803 Jy
! Component: 1350  -  total flux cleaned = -0.0100777 Jy
! Component: 1400  -  total flux cleaned = -0.0102285 Jy
! Component: 1450  -  total flux cleaned = -0.0103034 Jy
! Component: 1500  -  total flux cleaned = -0.0104151 Jy
! Component: 1550  -  total flux cleaned = -0.0105973 Jy
! Component: 1600  -  total flux cleaned = -0.0108125 Jy
! Component: 1650  -  total flux cleaned = -0.010883 Jy
! Component: 1700  -  total flux cleaned = -0.0110579 Jy
! Component: 1750  -  total flux cleaned = -0.0110927 Jy
! Component: 1800  -  total flux cleaned = -0.0112296 Jy
! Component: 1850  -  total flux cleaned = -0.0113649 Jy
! Component: 1900  -  total flux cleaned = -0.0113985 Jy
! Component: 1950  -  total flux cleaned = -0.0114318 Jy
! Component: 2000  -  total flux cleaned = -0.0116271 Jy
! Component: 2050  -  total flux cleaned = -0.0114658 Jy
! Component: 2100  -  total flux cleaned = -0.0116579 Jy
! Component: 2150  -  total flux cleaned = -0.0117213 Jy
! Component: 2200  -  total flux cleaned = -0.0116584 Jy
! Component: 2250  -  total flux cleaned = -0.0118752 Jy
! Component: 2300  -  total flux cleaned = -0.0118442 Jy
! Component: 2350  -  total flux cleaned = -0.0119052 Jy
! Component: 2400  -  total flux cleaned = -0.0120255 Jy
! Component: 2450  -  total flux cleaned = -0.0121452 Jy
! Component: 2500  -  total flux cleaned = -0.0122929 Jy
! Component: 2550  -  total flux cleaned = -0.0122925 Jy
! Component: 2600  -  total flux cleaned = -0.0123797 Jy
! Component: 2650  -  total flux cleaned = -0.0124085 Jy
! Component: 2700  -  total flux cleaned = -0.012551 Jy
! Component: 2750  -  total flux cleaned = -0.0126921 Jy
! Component: 2800  -  total flux cleaned = -0.0126922 Jy
! Component: 2850  -  total flux cleaned = -0.0126923 Jy
! Component: 2900  -  total flux cleaned = -0.0128026 Jy
! Component: 2950  -  total flux cleaned = -0.0129117 Jy
! Component: 3000  -  total flux cleaned = -0.0129661 Jy
! Component: 3050  -  total flux cleaned = -0.0130462 Jy
! Component: 3100  -  total flux cleaned = -0.013073 Jy
! Component: 3150  -  total flux cleaned = -0.0132054 Jy
! Component: 3200  -  total flux cleaned = -0.0132844 Jy
! Component: 3250  -  total flux cleaned = -0.0134145 Jy
! Component: 3300  -  total flux cleaned = -0.0135438 Jy
! Component: 3350  -  total flux cleaned = -0.0136206 Jy
! Component: 3400  -  total flux cleaned = -0.0136206 Jy
! Component: 3450  -  total flux cleaned = -0.0138226 Jy
! Component: 3500  -  total flux cleaned = -0.0138474 Jy
! Component: 3550  -  total flux cleaned = -0.0140461 Jy
! Component: 3600  -  total flux cleaned = -0.0141198 Jy
! Component: 3650  -  total flux cleaned = -0.0141198 Jy
! Component: 3700  -  total flux cleaned = -0.0141441 Jy
! Component: 3750  -  total flux cleaned = -0.0141441 Jy
! Component: 3800  -  total flux cleaned = -0.0142401 Jy
! Component: 3850  -  total flux cleaned = -0.014288 Jy
! Component: 3900  -  total flux cleaned = -0.014359 Jy
! Component: 3950  -  total flux cleaned = -0.014453 Jy
! Component: 4000  -  total flux cleaned = -0.0144061 Jy
! Component: 4050  -  total flux cleaned = -0.014429 Jy
! Total flux subtracted in 4096 components = -0.014383 Jy
! Clean residual min=-0.001344 max=0.001502 Jy/beam
! Clean residual mean=-0.000004 rms=0.000465 Jy/beam
! Combined flux in latest and established models = 0.294926 Jy
keep
! Adding 278 model components to the UV plane model.
! The established model now contains 362 components and 0.294926 Jy
![Exited script file: /opt64/bin/pima_mupet_01.dfm]
wmap   /vlbi/uf001/uvm//J2253+1942_S_b_map.fits
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.72 x 11.14 at -14.97 degrees (North through East)
! Clean map  min=-0.0034901  max=0.28639 Jy/beam
! Writing clean map to FITS file: /vlbi/uf001/uvm//J2253+1942_S_b_map.fits
wmodel /vlbi/uf001/uvm//J2253+1942_S_b_map.mod
! Writing 362 model components to file: /vlbi/uf001/uvm//J2253+1942_S_b_map.mod
wobs   /vlbi/uf001/uvm//J2253+1942_S_b_uvs.fits
! Writing UV FITS file: /vlbi/uf001/uvm//J2253+1942_S_b_uvs.fits
wwins  /vlbi/uf001/uvm//J2253+1942_S_b_map.win
! wwins: Wrote 2 windows to /vlbi/uf001/uvm//J2253+1942_S_b_map.win
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is", peak_flux
! The peak flux is 0.286392 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000459532 
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.481366 0.481366 0.962733 1.92547 3.85093 7.70186 15.4037 30.8075 61.6149
print "clev=      ", int(3*image_rms*10000)/10000
! clev=       0.0013 
print "peak=      ", int(1000*peak_flux)/1000
! peak=       0.286 
print "dyn_range= ", int(1000*peak_flux/image_rms)/1000
! dyn_range=  623.225 
quit
! Quitting program
! Log file /vlbi/uf001/uvm//J2253+1942_S_b_dfm.log closed on Sun Jan 13 22:41:38 2019