! Started logfile: J2157-1807_S_1997_07_02_yyk_uvs.log on Sun Jan  7 20:04:09 2007
obs J2157-1807_S_1997_07_02_yyk_uva.fits
! Reading UV FITS file: J2157-1807_S_1997_07_02_yyk_uva.fits
! AN table 1: 149 integrations on 45 of 45 possible baselines.
! Apparent sampling: 1.31857 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  2.22447e+09        8e+06          1        8e+06
!  02        2  2.23447e+09        8e+06          1        8e+06
!  03        3  2.29447e+09        8e+06          1        8e+06
!  04        4  2.32447e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 754 lines of history.
! 
! Reading 35364 visibilities.
select I
! Polarization I is unavailable.
! 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
![@muppet J2157-1807_S_1997_07_02_yyk]
integer clean_niter
clean_niter = 100
float clean_gain
clean_gain = 0.04
float dynam
dynam = 6.0
float amp_soltime1
amp_soltime1 = 10
float amp_soltime2
amp_soltime2 = 1
float phase_soltime1
phase_soltime1=10
float phase_soltime2
phase_soltime2=0.5
float phase_soltime
phase_soltime=phase_soltime1
float ampcor_selflim
ampcor_selflim=1.20
float thresh
thresh = 0.10
float win_mult
win_mult = 1.8
float time_av
time_av = 30
float old_peak
float new_peak
float flux_cutoff
mapsize field_size, field_cell
! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize.
phase_soltime=phase_soltime1
print "uvstat(rms)=",uvstat(rms),"Jy"
! uvstat(rms)= 0.724671 Jy 
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=2.799 mas, bmaj=7.5 mas, bpa=-5.562 degrees
! Estimated noise=1478.67 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal false,false,phase_soltime
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=100  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.4277 Jy
! Component: 100  -  total flux cleaned = 0.579664 Jy
! Total flux subtracted in 100 components = 0.579664 Jy
! Clean residual min=-0.051469 max=0.106746 Jy/beam
! Clean residual mean=-0.000346 rms=0.017460 Jy/beam
! Combined flux in latest and established models = 0.579664 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 39 components and 0.579664 Jy
! 
! Correcting IF 1.
!  A total of 295 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 145 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 145 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 145 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.446971Jy  sigma=0.002097
! Fit after  self-cal, rms=0.445675Jy  sigma=0.002094
! Inverting map and beam 
! Estimated beam: bmin=2.799 mas, bmaj=7.5 mas, bpa=-5.562 degrees
! Estimated noise=1478.71 mJy/beam.
! Added new window around map position (12, 39.5).
! clean: niter=100  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.121513 Jy
! Component: 100  -  total flux cleaned = 0.196483 Jy
! Total flux subtracted in 100 components = 0.196483 Jy
! Clean residual min=-0.041439 max=0.048135 Jy/beam
! Clean residual mean=-0.000309 rms=0.012084 Jy/beam
! Combined flux in latest and established models = 0.776147 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 60 components and 0.776147 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.411304Jy  sigma=0.001839
! Fit after  self-cal, rms=0.409943Jy  sigma=0.001830
! Inverting map 
print "************** FINISHED UNIFORM WEIGHTING CLEAN **************"
! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** 
! 
uvw 0,-2
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -2.
! 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=3.483 mas, bmaj=9.361 mas, bpa=-6.4 degrees
! Estimated noise=917.332 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal false,false,phase_soltime
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.117621 Jy
! Component: 100  -  total flux cleaned = 0.186619 Jy
! Component: 150  -  total flux cleaned = 0.231913 Jy
! Component: 200  -  total flux cleaned = 0.262874 Jy
! Total flux subtracted in 200 components = 0.262874 Jy
! Clean residual min=-0.030223 max=0.033948 Jy/beam
! Clean residual mean=0.000122 rms=0.010769 Jy/beam
! Combined flux in latest and established models = 1.03902 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 76 model components to the UV plane model.
! The established model now contains 130 components and 1.03902 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.390204Jy  sigma=0.001652
! Fit after  self-cal, rms=0.389711Jy  sigma=0.001649
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.483 x 9.361 at -6.4 degrees (North through East)
! Clean map  min=-0.028203  max=0.51715 Jy/beam
if(peak(flux) < thresh*2)
  selflims ampcor_selflim
  end if
gscale
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.0256
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.07     HN        0.94     KP        0.87     
!   LA        0.99     MK        1.03     NL        1.00*    OV        1.04     
!   PT        0.87     SC        0.93     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 0.981808
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.15     HN        1.04     KP        0.92     
!   LA        1.10     MK        1.02     NL        1.07     OV        0.99     
!   PT        0.86     SC        0.98     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.03515
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.06     HN        1.01     KP        0.91     
!   LA        0.82     MK        0.83     NL        1.04     OV        0.91     
!   PT        1.00     SC        1.06     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 0.970654
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.11     HN        1.15     KP        0.94     
!   LA        0.91     MK        1.07     NL        1.20     OV        0.92     
!   PT        0.85     SC        1.10     
! 
! 
! Fit before self-cal, rms=0.389711Jy  sigma=0.001649
! Fit after  self-cal, rms=0.382723Jy  sigma=0.001596
selfcal false, false, phase_soltime
! Performing phase self-cal over 10 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.382723Jy  sigma=0.001596
! Fit after  self-cal, rms=0.382724Jy  sigma=0.001596
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.542 mas, bmaj=9.586 mas, bpa=-6.646 degrees
! Estimated noise=900.293 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal false,false,phase_soltime
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0247212 Jy
! Component: 100  -  total flux cleaned = 0.0310338 Jy
! Component: 150  -  total flux cleaned = 0.0327508 Jy
! Component: 200  -  total flux cleaned = 0.0334773 Jy
! Total flux subtracted in 200 components = 0.0334773 Jy
! Clean residual min=-0.017455 max=0.021669 Jy/beam
! Clean residual mean=0.000056 rms=0.005489 Jy/beam
! Combined flux in latest and established models = 1.0725 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 35 model components to the UV plane model.
! The established model now contains 154 components and 1.0725 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.381542Jy  sigma=0.001588
! Fit after  self-cal, rms=0.381406Jy  sigma=0.001587
! Inverting map 
print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************"
! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** 
! 
phase_soltime=phase_soltime2
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.381406Jy  sigma=0.001587
! Fit after  self-cal, rms=0.379385Jy  sigma=0.001574
dynam = dynam - 0.5
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 false,false,phase_soltime
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00545265 Jy
! Component: 100  -  total flux cleaned = 0.00705988 Jy
! Component: 150  -  total flux cleaned = 0.00765653 Jy
! Component: 200  -  total flux cleaned = 0.00779881 Jy
! Total flux subtracted in 200 components = 0.00779881 Jy
! Clean residual min=-0.016738 max=0.022036 Jy/beam
! Clean residual mean=0.000051 rms=0.005401 Jy/beam
! Combined flux in latest and established models = 1.0803 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 163 components and 1.0803 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.379277Jy  sigma=0.001573
! Fit after  self-cal, rms=0.378621Jy  sigma=0.001571
! Inverting map 
print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***"
! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** 
! 
dynam = dynam - 0.25
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.542 x 9.586 at -6.646 degrees (North through East)
! Clean map  min=-0.016251  max=0.51507 Jy/beam
if(peak(flux) > thresh)
  selfcal true, true, amp_soltime1
  selfcal false, false, phase_soltime
  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 false,false,phase_soltime
    new_peak = peak(flux)
    until(new_peak<=flux_cutoff)
  selfcal true, true, amp_soltime2
  selfcal false, false, phase_soltime
  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 false,false,phase_soltime
    new_peak = peak(flux)
    until(new_peak<=flux_cutoff)
  print "************** FINISHED AMPLITUDE SELF-CAL **************"
  end if
! Performing amp+phase self-cal over 10 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.378621Jy  sigma=0.001571
! Fit after  self-cal, rms=1.944886Jy  sigma=0.001543
! Performing phase self-cal over 0.5 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.944886Jy  sigma=0.001543
! Fit after  self-cal, rms=1.945092Jy  sigma=0.001543
! Inverting map and beam 
! Estimated beam: bmin=3.532 mas, bmaj=9.518 mas, bpa=-6.454 degrees
! Estimated noise=893.44 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00266882 Jy
! Component: 100  -  total flux cleaned = 0.00427193 Jy
! Component: 150  -  total flux cleaned = 0.00470552 Jy
! Component: 200  -  total flux cleaned = 0.00509765 Jy
! Total flux subtracted in 200 components = 0.00509765 Jy
! Clean residual min=-0.015196 max=0.020038 Jy/beam
! Clean residual mean=-0.000015 rms=0.004992 Jy/beam
! Combined flux in latest and established models = 1.08539 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 165 components and 1.08539 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.945069Jy  sigma=0.001542
! Fit after  self-cal, rms=1.945033Jy  sigma=0.001541
! Inverting map 
! Performing amp+phase self-cal over 1 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.945033Jy  sigma=0.001541
! Fit after  self-cal, rms=1.987969Jy  sigma=0.001539
! Performing phase self-cal over 0.5 minute time intervals
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.987969Jy  sigma=0.001539
! Fit after  self-cal, rms=1.987972Jy  sigma=0.001539
! Inverting map and beam 
! Estimated beam: bmin=3.512 mas, bmaj=9.444 mas, bpa=-6.279 degrees
! Estimated noise=891.273 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00102366 Jy
! Component: 100  -  total flux cleaned = 0.00170299 Jy
! Component: 150  -  total flux cleaned = 0.00207969 Jy
! Component: 200  -  total flux cleaned = 0.00232195 Jy
! Total flux subtracted in 200 components = 0.00232195 Jy
! Clean residual min=-0.015028 max=0.019801 Jy/beam
! Clean residual mean=-0.000025 rms=0.004936 Jy/beam
! Combined flux in latest and established models = 1.08772 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 166 components and 1.08772 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.987962Jy  sigma=0.001539
! Fit after  self-cal, rms=1.987913Jy  sigma=0.001539
! Inverting map 
! ************** FINISHED AMPLITUDE SELF-CAL ************** 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
win_mult = win_mult * 1.4
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=8.536 mas, bmaj=18.25 mas, bpa=-3.12 degrees
! Estimated noise=1099.11 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal false,false,phase_soltime
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00539732 Jy
! Component: 100  -  total flux cleaned = 0.00540309 Jy
! Component: 150  -  total flux cleaned = 0.00537703 Jy
! Component: 200  -  total flux cleaned = 0.0051167 Jy
! Total flux subtracted in 200 components = 0.0051167 Jy
! Clean residual min=-0.019663 max=0.020130 Jy/beam
! Clean residual mean=-0.000026 rms=0.006040 Jy/beam
! Combined flux in latest and established models = 1.09283 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 167 components and 1.09283 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.987980Jy  sigma=0.001540
! Fit after  self-cal, rms=1.987962Jy  sigma=0.001540
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
win_mult = win_mult / 1.4
print "************** FINISHED TAPERING SELF-CAL CLEAN **************"
! ************** FINISHED TAPERING SELF-CAL CLEAN ************** 
! 
print "************** CLEARING MODEL AND STARTING OVER **********"
! ************** CLEARING MODEL AND STARTING OVER ********** 
clrmod true,true,true
! clrmod: Cleared the established, tentative and continuum 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=2.762 mas, bmaj=7.485 mas, bpa=-5.757 degrees
! Estimated noise=1499.98 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.442222 Jy
! Component: 100  -  total flux cleaned = 0.619679 Jy
! Component: 150  -  total flux cleaned = 0.729709 Jy
! Component: 200  -  total flux cleaned = 0.806096 Jy
! Total flux subtracted in 200 components = 0.806096 Jy
! Clean residual min=-0.024884 max=0.047093 Jy/beam
! Clean residual mean=-0.000201 rms=0.009129 Jy/beam
! Combined flux in latest and established models = 0.806096 Jy
uvw 0,-2
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -2.
! Radial weighting is not currently selected.
flux_cutoff = imstat(rms) * dynam
! Adding 59 model components to the UV plane model.
! The established model now contains 59 components and 0.806096 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.512 mas, bmaj=9.444 mas, bpa=-6.279 degrees
! Estimated noise=891.273 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)
! Added new window around map position (4.5, 3).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.101761 Jy
! Component: 100  -  total flux cleaned = 0.163178 Jy
! Component: 150  -  total flux cleaned = 0.203082 Jy
! Component: 200  -  total flux cleaned = 0.229904 Jy
! Total flux subtracted in 200 components = 0.229904 Jy
! Clean residual min=-0.013881 max=0.027905 Jy/beam
! Clean residual mean=-0.000016 rms=0.005415 Jy/beam
! Combined flux in latest and established models = 1.036 Jy
! Adding 90 model components to the UV plane model.
! The established model now contains 141 components and 1.036 Jy
! Inverting map 
! Added new window around map position (5.5, 41.5).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0297073 Jy
! Component: 100  -  total flux cleaned = 0.0464501 Jy
! Component: 150  -  total flux cleaned = 0.0588296 Jy
! Component: 200  -  total flux cleaned = 0.0666009 Jy
! Total flux subtracted in 200 components = 0.0666009 Jy
! Clean residual min=-0.010450 max=0.009158 Jy/beam
! Clean residual mean=-0.000055 rms=0.003107 Jy/beam
! Combined flux in latest and established models = 1.1026 Jy
! Adding 61 model components to the UV plane model.
! The established model now contains 197 components and 1.1026 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=8.536 mas, bmaj=18.25 mas, bpa=-3.12 degrees
! Estimated noise=1099.11 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=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00834536 Jy
! Component: 100  -  total flux cleaned = 0.0114983 Jy
! Component: 150  -  total flux cleaned = 0.0135445 Jy
! Component: 200  -  total flux cleaned = 0.0152781 Jy
! Total flux subtracted in 200 components = 0.0152781 Jy
! Clean residual min=-0.012906 max=0.009801 Jy/beam
! Clean residual mean=-0.000089 rms=0.003986 Jy/beam
! Combined flux in latest and established models = 1.11788 Jy
! Adding 45 model components to the UV plane model.
! The established model now contains 236 components and 1.11788 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.512 mas, bmaj=9.444 mas, bpa=-6.279 degrees
! Estimated noise=891.273 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00235317 Jy
! Component: 100  -  total flux cleaned = 0.00337203 Jy
! Component: 150  -  total flux cleaned = 0.00371641 Jy
! Component: 200  -  total flux cleaned = 0.00404227 Jy
! Total flux subtracted in 200 components = 0.00404227 Jy
! Clean residual min=-0.009541 max=0.009401 Jy/beam
! Clean residual mean=-0.000057 rms=0.002787 Jy/beam
! Combined flux in latest and established models = 1.12192 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 256 components and 1.12192 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.987307Jy  sigma=0.001519
! Fit after  self-cal, rms=1.987232Jy  sigma=0.001517
wmodel J2157-1807_S_1997_07_02_yyk\_map.mod
! Writing 256 model components to file: J2157-1807_S_1997_07_02_yyk_map.mod
wobs J2157-1807_S_1997_07_02_yyk\_uvs.fits
! Writing UV FITS file: J2157-1807_S_1997_07_02_yyk_uvs.fits
wwins J2157-1807_S_1997_07_02_yyk\_map.win
! wwins: Wrote 4 windows to J2157-1807_S_1997_07_02_yyk_map.win
x = (field_size-8) * field_cell / 4
addwin -x,x,-x,x
clean (field_size*4),0.01
! Inverting map 
! clean: niter=2048  gain=0.01  cutoff=0
! Component: 050  -  total flux cleaned = -0.00278762 Jy
! Component: 100  -  total flux cleaned = -0.00503785 Jy
! Component: 150  -  total flux cleaned = -0.0062201 Jy
! Component: 200  -  total flux cleaned = -0.00734707 Jy
! Component: 250  -  total flux cleaned = -0.00842339 Jy
! Component: 300  -  total flux cleaned = -0.00956666 Jy
! Component: 350  -  total flux cleaned = -0.0104416 Jy
! Component: 400  -  total flux cleaned = -0.0110728 Jy
! Component: 450  -  total flux cleaned = -0.0114795 Jy
! Component: 500  -  total flux cleaned = -0.0120654 Jy
! Component: 550  -  total flux cleaned = -0.0123477 Jy
! Component: 600  -  total flux cleaned = -0.0126232 Jy
! Component: 650  -  total flux cleaned = -0.0126246 Jy
! Component: 700  -  total flux cleaned = -0.0129739 Jy
! Component: 750  -  total flux cleaned = -0.0133926 Jy
! Component: 800  -  total flux cleaned = -0.0139603 Jy
! Component: 850  -  total flux cleaned = -0.0143576 Jy
! Component: 900  -  total flux cleaned = -0.0147439 Jy
! Component: 950  -  total flux cleaned = -0.0150448 Jy
! Component: 1000  -  total flux cleaned = -0.0154131 Jy
! Component: 1050  -  total flux cleaned = -0.0156283 Jy
! Component: 1100  -  total flux cleaned = -0.0157006 Jy
! Component: 1150  -  total flux cleaned = -0.0159792 Jy
! Component: 1200  -  total flux cleaned = -0.0161841 Jy
! Component: 1250  -  total flux cleaned = -0.0165208 Jy
! Component: 1300  -  total flux cleaned = -0.0169817 Jy
! Component: 1350  -  total flux cleaned = -0.0173063 Jy
! Component: 1400  -  total flux cleaned = -0.0178165 Jy
! Component: 1450  -  total flux cleaned = -0.0182551 Jy
! Component: 1500  -  total flux cleaned = -0.0185634 Jy
! Component: 1550  -  total flux cleaned = -0.0189289 Jy
! Component: 1600  -  total flux cleaned = -0.0191693 Jy
! Component: 1650  -  total flux cleaned = -0.0196435 Jy
! Component: 1700  -  total flux cleaned = -0.019993 Jy
! Component: 1750  -  total flux cleaned = -0.0203373 Jy
! Component: 1800  -  total flux cleaned = -0.0205071 Jy
! Component: 1850  -  total flux cleaned = -0.0207871 Jy
! Component: 1900  -  total flux cleaned = -0.0210078 Jy
! Component: 1950  -  total flux cleaned = -0.0211168 Jy
! Component: 2000  -  total flux cleaned = -0.0212782 Jy
! Total flux subtracted in 2048 components = -0.021385 Jy
! Clean residual min=-0.003049 max=0.003076 Jy/beam
! Clean residual mean=-0.000077 rms=0.001192 Jy/beam
! Combined flux in latest and established models = 1.10054 Jy
keep
! Adding 153 model components to the UV plane model.
! The established model now contains 408 components and 1.10054 Jy
![Exited script file: muppet]
wmap "J2157-1807_S_1997_07_02_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.512 x 9.444 at -6.279 degrees (North through East)
! Clean map  min=-0.0065862  max=0.52143 Jy/beam
! Writing clean map to FITS file: J2157-1807_S_1997_07_02_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.521427 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00114605 
device "J2157-1807_S_1997_07_02_yyk\_map.eps/VPS"
! Attempting to open device: 'J2157-1807_S_1997_07_02_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.659372 0.659372 1.31874 2.63749 5.27498 10.55 21.0999 42.1998 84.3996
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0034 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.521 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.512 x 9.444 at -6.279 degrees (North through East)
! Clean map  min=-0.0065862  max=0.52143 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J2157-1807_S_1997_07_02_yyk\_map.gif/gif"
! Attempting to open device: 'J2157-1807_S_1997_07_02_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J2157-1807_S_1997_07_02_yyk_uvs.log closed on Sun Jan  7 20:04:18 2007