! Started logfile: J1820-2528_S_1997_07_02_yyk_uvs.log on Sun Jan  7 19:28:34 2007
obs J1820-2528_S_1997_07_02_yyk_uva.fits
! Reading UV FITS file: J1820-2528_S_1997_07_02_yyk_uva.fits
! AN table 1: 140 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.889683 visibilities/baseline/integration-bin.
! Found source: J1820-2528
! 
! 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 22420 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 J1820-2528_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)= 0.90764 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=2.601 mas, bmaj=6.43 mas, bpa=-0.1861 degrees
! Estimated noise=2459.28 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 = 0.558212 Jy
! Component: 100  -  total flux cleaned = 0.792163 Jy
! Total flux subtracted in 100 components = 0.792163 Jy
! Clean residual min=-0.040807 max=0.090039 Jy/beam
! Clean residual mean=0.000110 rms=0.015520 Jy/beam
! Combined flux in latest and established models = 0.792163 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 44 components and 0.792163 Jy
! 
! Correcting IF 1.
!  A total of 267 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 87 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 87 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 87 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.451472Jy  sigma=0.001679
! Fit after  self-cal, rms=0.451130Jy  sigma=0.001678
! Inverting map and beam 
! Estimated beam: bmin=2.601 mas, bmaj=6.43 mas, bpa=-0.1861 degrees
! Estimated noise=2459.31 mJy/beam.
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=3.484 mas, bmaj=9.25 mas, bpa=-4.237 degrees
! Estimated noise=1253.73 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 = 0.240633 Jy
! Component: 100  -  total flux cleaned = 0.330342 Jy
! Component: 150  -  total flux cleaned = 0.366223 Jy
! Component: 200  -  total flux cleaned = 0.375325 Jy
! Total flux subtracted in 200 components = 0.375325 Jy
! Clean residual min=-0.024820 max=0.040815 Jy/beam
! Clean residual mean=0.001155 rms=0.011220 Jy/beam
! Combined flux in latest and established models = 1.16749 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 53 model components to the UV plane model.
! The established model now contains 84 components and 1.16749 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.378800Jy  sigma=0.001310
! Fit after  self-cal, rms=0.378770Jy  sigma=0.001310
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.484 x 9.25 at -4.237 degrees (North through East)
! Clean map  min=-0.02411  max=0.6803 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: 0.985567
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.09     HN        1.19     KP        0.87     
!   LA        0.97     MK        1.18     NL        1.00*    OV        1.09     
!   PT        0.91     SC        0.83     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 0.933347
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        1.14     HN        1.25     KP        0.93     
!   LA        1.05     MK        1.20     NL        1.04     OV        1.06     
!   PT        0.91     SC        1.05     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.00614
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.07     HN        1.13     KP        0.90     
!   LA        0.79     MK        0.97     NL        1.00     OV        0.96     
!   PT        1.04     SC        1.07     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 0.962821
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.12     HN        1.33     KP        0.93     
!   LA        0.88     MK        1.10     NL        1.13     OV        0.97     
!   PT        0.88     SC        1.01     
! 
! 
! Fit before self-cal, rms=0.378770Jy  sigma=0.001310
! Fit after  self-cal, rms=0.370103Jy  sigma=0.001265
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=0.370103Jy  sigma=0.001265
! Fit after  self-cal, rms=0.370118Jy  sigma=0.001265
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.719 mas, bmaj=9.542 mas, bpa=-2.07 degrees
! Estimated noise=1204.88 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 = -0.0542863 Jy
! Component: 100  -  total flux cleaned = -0.0690239 Jy
! Component: 150  -  total flux cleaned = -0.0721214 Jy
! Component: 200  -  total flux cleaned = -0.0727044 Jy
! Total flux subtracted in 200 components = -0.0727044 Jy
! Clean residual min=-0.010014 max=0.017148 Jy/beam
! Clean residual mean=0.000239 rms=0.003893 Jy/beam
! Combined flux in latest and established models = 1.09478 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 104 components and 1.09478 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.365389Jy  sigma=0.001241
! Fit after  self-cal, rms=0.365379Jy  sigma=0.001241
! 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=0.365379Jy  sigma=0.001241
! Fit after  self-cal, rms=0.363916Jy  sigma=0.001234
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 = 0.000327103 Jy
! Component: 100  -  total flux cleaned = 0.000197589 Jy
! Component: 150  -  total flux cleaned = 7.77394e-05 Jy
! Component: 200  -  total flux cleaned = -3.92014e-05 Jy
! Total flux subtracted in 200 components = -3.92014e-05 Jy
! Clean residual min=-0.010163 max=0.017247 Jy/beam
! Clean residual mean=0.000242 rms=0.003900 Jy/beam
! Combined flux in latest and established models = 1.09474 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 106 components and 1.09474 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.363824Jy  sigma=0.001233
! Fit after  self-cal, rms=0.363535Jy  sigma=0.001232
! 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: 3.719 x 9.542 at -2.07 degrees (North through East)
! Clean map  min=-0.010028  max=0.67163 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=0.363535Jy  sigma=0.001232
! Fit after  self-cal, rms=0.494482Jy  sigma=0.001204
! 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=0.494482Jy  sigma=0.001204
! Fit after  self-cal, rms=0.494449Jy  sigma=0.001204
! Inverting map and beam 
! Estimated beam: bmin=3.661 mas, bmaj=9.822 mas, bpa=-0.9191 degrees
! Estimated noise=1193.45 mJy/beam.
! Added new window around map position (-13, -7.5).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0168045 Jy
! Component: 100  -  total flux cleaned = 0.0183997 Jy
! Component: 150  -  total flux cleaned = 0.0189029 Jy
! Component: 200  -  total flux cleaned = 0.0195731 Jy
! Total flux subtracted in 200 components = 0.0195731 Jy
! Clean residual min=-0.008473 max=0.014637 Jy/beam
! Clean residual mean=-0.000058 rms=0.002845 Jy/beam
! Combined flux in latest and established models = 1.11432 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 129 components and 1.11432 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.493974Jy  sigma=0.001201
! Fit after  self-cal, rms=0.493896Jy  sigma=0.001200
! Inverting map 
! Added new window around map position (7, -10).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0071383 Jy
! Component: 100  -  total flux cleaned = 0.0087398 Jy
! Component: 150  -  total flux cleaned = 0.0103548 Jy
! Component: 200  -  total flux cleaned = 0.011065 Jy
! Total flux subtracted in 200 components = 0.011065 Jy
! Clean residual min=-0.007199 max=0.009915 Jy/beam
! Clean residual mean=-0.000129 rms=0.002374 Jy/beam
! Combined flux in latest and established models = 1.12538 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 155 components and 1.12538 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.493565Jy  sigma=0.001198
! Fit after  self-cal, rms=0.493527Jy  sigma=0.001198
! 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=0.493527Jy  sigma=0.001198
! Fit after  self-cal, rms=0.494685Jy  sigma=0.001196
! 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=0.494685Jy  sigma=0.001196
! Fit after  self-cal, rms=0.494681Jy  sigma=0.001196
! Inverting map and beam 
! Estimated beam: bmin=3.602 mas, bmaj=9.722 mas, bpa=-0.484 degrees
! Estimated noise=1185.26 mJy/beam.
! Added new window around map position (-2.5, -17.5).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.010996 Jy
! Component: 100  -  total flux cleaned = 0.0144128 Jy
! Component: 150  -  total flux cleaned = 0.0157313 Jy
! Component: 200  -  total flux cleaned = 0.0161342 Jy
! Total flux subtracted in 200 components = 0.0161342 Jy
! Clean residual min=-0.006323 max=0.005993 Jy/beam
! Clean residual mean=-0.000125 rms=0.001892 Jy/beam
! Combined flux in latest and established models = 1.14152 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 188 components and 1.14152 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.494398Jy  sigma=0.001194
! Fit after  self-cal, rms=0.494372Jy  sigma=0.001194
! 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=9.177 mas, bmaj=22.17 mas, bpa=6.855 degrees
! Estimated noise=1434.1 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 = 0.00357305 Jy
! Component: 100  -  total flux cleaned = 0.00428189 Jy
! Component: 150  -  total flux cleaned = 0.00468612 Jy
! Component: 200  -  total flux cleaned = 0.0050439 Jy
! Total flux subtracted in 200 components = 0.0050439 Jy
! Clean residual min=-0.005986 max=0.006321 Jy/beam
! Clean residual mean=-0.000274 rms=0.002254 Jy/beam
! Combined flux in latest and established models = 1.14656 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 211 components and 1.14656 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.494350Jy  sigma=0.001194
! Fit after  self-cal, rms=0.494337Jy  sigma=0.001194
! 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=2.613 mas, bmaj=6.576 mas, bpa=1.106 degrees
! Estimated noise=2472.87 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.562931 Jy
! Component: 100  -  total flux cleaned = 0.794032 Jy
! Component: 150  -  total flux cleaned = 0.914831 Jy
! Component: 200  -  total flux cleaned = 0.983565 Jy
! Total flux subtracted in 200 components = 0.983565 Jy
! Clean residual min=-0.018032 max=0.040734 Jy/beam
! Clean residual mean=-0.000023 rms=0.005655 Jy/beam
! Combined flux in latest and established models = 0.983565 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 72 model components to the UV plane model.
! The established model now contains 72 components and 0.983565 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.602 mas, bmaj=9.722 mas, bpa=-0.484 degrees
! Estimated noise=1185.26 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 (-3, 0.5).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0753604 Jy
! Component: 100  -  total flux cleaned = 0.10789 Jy
! Component: 150  -  total flux cleaned = 0.127056 Jy
! Component: 200  -  total flux cleaned = 0.139719 Jy
! Total flux subtracted in 200 components = 0.139719 Jy
! Clean residual min=-0.007116 max=0.007873 Jy/beam
! Clean residual mean=-0.000005 rms=0.002327 Jy/beam
! Combined flux in latest and established models = 1.12328 Jy
! Adding 80 model components to the UV plane model.
! The established model now contains 145 components and 1.12328 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=9.177 mas, bmaj=22.17 mas, bpa=6.855 degrees
! Estimated noise=1434.1 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 = 0.00998731 Jy
! Component: 100  -  total flux cleaned = 0.0142052 Jy
! Component: 150  -  total flux cleaned = 0.0170296 Jy
! Component: 200  -  total flux cleaned = 0.0191253 Jy
! Total flux subtracted in 200 components = 0.0191253 Jy
! Clean residual min=-0.006301 max=0.006305 Jy/beam
! Clean residual mean=-0.000232 rms=0.002197 Jy/beam
! Combined flux in latest and established models = 1.14241 Jy
! Adding 70 model components to the UV plane model.
! The established model now contains 210 components and 1.14241 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.602 mas, bmaj=9.722 mas, bpa=-0.484 degrees
! Estimated noise=1185.26 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00131158 Jy
! Component: 100  -  total flux cleaned = 0.00223911 Jy
! Component: 150  -  total flux cleaned = 0.00238387 Jy
! Component: 200  -  total flux cleaned = 0.00287848 Jy
! Total flux subtracted in 200 components = 0.00287848 Jy
! Clean residual min=-0.005796 max=0.005951 Jy/beam
! Clean residual mean=-0.000164 rms=0.001668 Jy/beam
! Combined flux in latest and established models = 1.14529 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 240 components and 1.14529 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.493405Jy  sigma=0.001192
! Fit after  self-cal, rms=0.493340Jy  sigma=0.001192
wmodel J1820-2528_S_1997_07_02_yyk\_map.mod
! Writing 240 model components to file: J1820-2528_S_1997_07_02_yyk_map.mod
wobs J1820-2528_S_1997_07_02_yyk\_uvs.fits
! Writing UV FITS file: J1820-2528_S_1997_07_02_yyk_uvs.fits
wwins J1820-2528_S_1997_07_02_yyk\_map.win
! wwins: Wrote 5 windows to J1820-2528_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 = 0.0010775 Jy
! Component: 100  -  total flux cleaned = 0.0013709 Jy
! Component: 150  -  total flux cleaned = 0.00066132 Jy
! Component: 200  -  total flux cleaned = 0.000662486 Jy
! Component: 250  -  total flux cleaned = 0.000742789 Jy
! Component: 300  -  total flux cleaned = 0.000744434 Jy
! Component: 350  -  total flux cleaned = 0.000818034 Jy
! Component: 400  -  total flux cleaned = 0.000743932 Jy
! Component: 450  -  total flux cleaned = 0.000673127 Jy
! Component: 500  -  total flux cleaned = 0.000671895 Jy
! Component: 550  -  total flux cleaned = 0.000399574 Jy
! Component: 600  -  total flux cleaned = 0.000268363 Jy
! Component: 650  -  total flux cleaned = 0.000268204 Jy
! Component: 700  -  total flux cleaned = 7.6947e-05 Jy
! Component: 750  -  total flux cleaned = -0.000172295 Jy
! Component: 800  -  total flux cleaned = -0.000416098 Jy
! Component: 850  -  total flux cleaned = -0.000656957 Jy
! Component: 900  -  total flux cleaned = -0.00106966 Jy
! Component: 950  -  total flux cleaned = -0.00130071 Jy
! Component: 1000  -  total flux cleaned = -0.00175558 Jy
! Component: 1050  -  total flux cleaned = -0.00209095 Jy
! Component: 1100  -  total flux cleaned = -0.00225597 Jy
! Component: 1150  -  total flux cleaned = -0.00263503 Jy
! Component: 1200  -  total flux cleaned = -0.00290111 Jy
! Component: 1250  -  total flux cleaned = -0.00321529 Jy
! Component: 1300  -  total flux cleaned = -0.00352459 Jy
! Component: 1350  -  total flux cleaned = -0.00372803 Jy
! Component: 1400  -  total flux cleaned = -0.00407913 Jy
! Component: 1450  -  total flux cleaned = -0.00442484 Jy
! Component: 1500  -  total flux cleaned = -0.00466885 Jy
! Component: 1550  -  total flux cleaned = -0.0049577 Jy
! Component: 1600  -  total flux cleaned = -0.00524208 Jy
! Component: 1650  -  total flux cleaned = -0.00547622 Jy
! Component: 1700  -  total flux cleaned = -0.00570782 Jy
! Component: 1750  -  total flux cleaned = -0.00607273 Jy
! Component: 1800  -  total flux cleaned = -0.00638728 Jy
! Component: 1850  -  total flux cleaned = -0.00665328 Jy
! Component: 1900  -  total flux cleaned = -0.00682835 Jy
! Component: 1950  -  total flux cleaned = -0.00700276 Jy
! Component: 2000  -  total flux cleaned = -0.00738824 Jy
! Total flux subtracted in 2048 components = -0.00760036 Jy
! Clean residual min=-0.002335 max=0.002202 Jy/beam
! Clean residual mean=-0.000154 rms=0.000938 Jy/beam
! Combined flux in latest and established models = 1.13769 Jy
keep
! Adding 141 model components to the UV plane model.
! The established model now contains 381 components and 1.13769 Jy
![Exited script file: muppet]
wmap "J1820-2528_S_1997_07_02_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.602 x 9.722 at -0.484 degrees (North through East)
! Clean map  min=-0.0048544  max=0.67898 Jy/beam
! Writing clean map to FITS file: J1820-2528_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 0.678976 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000922792 
device "J1820-2528_S_1997_07_02_yyk\_map.eps/VPS"
! Attempting to open device: 'J1820-2528_S_1997_07_02_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.407728 0.407728 0.815456 1.63091 3.26182 6.52365 13.0473 26.0946 52.1892
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0027 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.678 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.602 x 9.722 at -0.484 degrees (North through East)
! Clean map  min=-0.0048544  max=0.67898 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1820-2528_S_1997_07_02_yyk\_map.gif/gif"
! Attempting to open device: 'J1820-2528_S_1997_07_02_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1820-2528_S_1997_07_02_yyk_uvs.log closed on Sun Jan  7 19:28:43 2007