! Started logfile: J1820-2528_X_1997_08_27_yyk_uvs.log on Mon Jan  8 07:43:10 2007
obs J1820-2528_X_1997_08_27_yyk_uva.fits
! Reading UV FITS file: J1820-2528_X_1997_08_27_yyk_uva.fits
! AN table 1: 137 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.372263 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! 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  8.15447e+09        8e+06          1        8e+06
!  02        2  8.23447e+09        8e+06          1        8e+06
!  03        3  8.41447e+09        8e+06          1        8e+06
!  04        4  8.55447e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 702 lines of history.
! 
! Reading 9180 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_X_1997_08_27_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 0.200x0.200 milli-arcsec cellsize.
phase_soltime=phase_soltime1
print "uvstat(rms)=",uvstat(rms),"Jy"
! uvstat(rms)= 0.661613 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=0.7657 mas, bmaj=1.485 mas, bpa=-23.89 degrees
! Estimated noise=2373.96 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, 0.2).
! clean: niter=100  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.353978 Jy
! Component: 100  -  total flux cleaned = 0.391924 Jy
! Total flux subtracted in 100 components = 0.391924 Jy
! Clean residual min=-0.094427 max=0.128371 Jy/beam
! Clean residual mean=-0.000594 rms=0.023524 Jy/beam
! Combined flux in latest and established models = 0.391924 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 14 components and 0.391924 Jy
! 
! Correcting IF 1.
!  A total of 573 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 573 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 573 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 573 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.416120Jy  sigma=0.002248
! Fit after  self-cal, rms=0.407465Jy  sigma=0.002224
! Inverting map and beam 
! Estimated beam: bmin=0.7657 mas, bmaj=1.485 mas, bpa=-23.89 degrees
! Estimated noise=2374.17 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=0.8833 mas, bmaj=1.929 mas, bpa=-16.16 degrees
! Estimated noise=1369.75 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 = 0.207534 Jy
! Component: 100  -  total flux cleaned = 0.275199 Jy
! Component: 150  -  total flux cleaned = 0.306792 Jy
! Component: 200  -  total flux cleaned = 0.323026 Jy
! Total flux subtracted in 200 components = 0.323026 Jy
! Clean residual min=-0.081363 max=0.075708 Jy/beam
! Clean residual mean=-0.001299 rms=0.026412 Jy/beam
! Combined flux in latest and established models = 0.714951 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 32 components and 0.714951 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.348781Jy  sigma=0.001826
! Fit after  self-cal, rms=0.348271Jy  sigma=0.001825
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8833 x 1.929 at -16.16 degrees (North through East)
! Clean map  min=-0.078982  max=0.51648 Jy/beam
if(peak(flux) < thresh*2)
  selflims ampcor_selflim
  end if
gscale
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.01042
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.86     HN        0.98     KP        1.00*    
!   LA        0.97     MK        1.15     NL        0.86     OV        0.95     
!   PT        1.00*    SC        1.15     
! 
! 
! Correcting IF 2.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.00885
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.84     HN        0.94     KP        1.00*    
!   LA        0.96     MK        1.12     NL        0.85     OV        1.00     
!   PT        1.00*    SC        1.22     
! 
! 
! Correcting IF 3.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.01415
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.87     HN        0.98     KP        1.00*    
!   LA        0.96     MK        1.03     NL        0.85     OV        0.96     
!   PT        1.00*    SC        1.23     
! 
! 
! Correcting IF 4.
!  A total of 90 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1.00231
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        0.85     HN        0.98     KP        1.00*    
!   LA        0.95     MK        1.09     NL        0.87     OV        0.99     
!   PT        1.00*    SC        1.21     
! 
! 
! Fit before self-cal, rms=0.348271Jy  sigma=0.001825
! Fit after  self-cal, rms=0.322405Jy  sigma=0.001566
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=0.322405Jy  sigma=0.001566
! Fit after  self-cal, rms=0.321180Jy  sigma=0.001561
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9507 mas, bmaj=2.147 mas, bpa=-18.14 degrees
! Estimated noise=1351.51 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 = 0.00351419 Jy
! Component: 100  -  total flux cleaned = 0.00600391 Jy
! Component: 150  -  total flux cleaned = 0.00661788 Jy
! Component: 200  -  total flux cleaned = 0.00714649 Jy
! Total flux subtracted in 200 components = 0.00714649 Jy
! Clean residual min=-0.043850 max=0.036923 Jy/beam
! Clean residual mean=-0.000405 rms=0.011092 Jy/beam
! Combined flux in latest and established models = 0.722097 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 38 components and 0.722097 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.317579Jy  sigma=0.001544
! Fit after  self-cal, rms=0.317524Jy  sigma=0.001544
! 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=0.317524Jy  sigma=0.001544
! Fit after  self-cal, rms=0.306716Jy  sigma=0.001486
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 = 0.00256322 Jy
! Component: 100  -  total flux cleaned = 0.00218192 Jy
! Component: 150  -  total flux cleaned = 0.00277399 Jy
! Component: 200  -  total flux cleaned = 0.00328203 Jy
! Total flux subtracted in 200 components = 0.00328203 Jy
! Clean residual min=-0.044626 max=0.036375 Jy/beam
! Clean residual mean=-0.000403 rms=0.011093 Jy/beam
! Combined flux in latest and established models = 0.725379 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 41 components and 0.725379 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.306122Jy  sigma=0.001482
! Fit after  self-cal, rms=0.305179Jy  sigma=0.001477
! 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: 0.9507 x 2.147 at -18.14 degrees (North through East)
! Clean map  min=-0.043333  max=0.54002 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=0.305179Jy  sigma=0.001477
! Fit after  self-cal, rms=12.169968Jy  sigma=0.001233
! 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=12.169968Jy  sigma=0.001233
! Fit after  self-cal, rms=12.172727Jy  sigma=0.001232
! Inverting map and beam 
! Estimated beam: bmin=0.9326 mas, bmaj=2.356 mas, bpa=-16.16 degrees
! Estimated noise=1327.43 mJy/beam.
! Added new window around map position (1.6, -3.6).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0161248 Jy
! Component: 100  -  total flux cleaned = 0.0174207 Jy
! Component: 150  -  total flux cleaned = 0.0166916 Jy
! Component: 200  -  total flux cleaned = 0.0163821 Jy
! Total flux subtracted in 200 components = 0.0163821 Jy
! Clean residual min=-0.009835 max=0.011442 Jy/beam
! Clean residual mean=0.000043 rms=0.002708 Jy/beam
! Combined flux in latest and established models = 0.741761 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 54 components and 0.741761 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=12.172865Jy  sigma=0.001223
! Fit after  self-cal, rms=12.172198Jy  sigma=0.001223
! 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=12.172198Jy  sigma=0.001223
! Fit after  self-cal, rms=55.947453Jy  sigma=0.001220
! 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=55.947453Jy  sigma=0.001220
! Fit after  self-cal, rms=55.943352Jy  sigma=0.001220
! Inverting map and beam 
! Estimated beam: bmin=0.9176 mas, bmaj=2.307 mas, bpa=-16.55 degrees
! Estimated noise=1321.23 mJy/beam.
! Added new window around map position (10.4, -7.6).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.012928 Jy
! Component: 100  -  total flux cleaned = 0.0132935 Jy
! Component: 150  -  total flux cleaned = 0.0123243 Jy
! Component: 200  -  total flux cleaned = 0.0114759 Jy
! Total flux subtracted in 200 components = 0.0114759 Jy
! Clean residual min=-0.006625 max=0.007450 Jy/beam
! Clean residual mean=0.000008 rms=0.001836 Jy/beam
! Combined flux in latest and established models = 0.753237 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 62 components and 0.753237 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=55.943394Jy  sigma=0.001216
! Fit after  self-cal, rms=55.942841Jy  sigma=0.001216
! Inverting map 
! ************** FINISHED AMPLITUDE SELF-CAL ************** 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths.
win_mult = win_mult * 1.4
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.96 mas, bmaj=4.758 mas, bpa=-10.71 degrees
! Estimated noise=1698.92 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 = 0.00247435 Jy
! Component: 100  -  total flux cleaned = 0.0031639 Jy
! Component: 150  -  total flux cleaned = 0.0034425 Jy
! Component: 200  -  total flux cleaned = 0.00367383 Jy
! Total flux subtracted in 200 components = 0.00367383 Jy
! Clean residual min=-0.006546 max=0.004990 Jy/beam
! Clean residual mean=0.000031 rms=0.001919 Jy/beam
! Combined flux in latest and established models = 0.756911 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 73 components and 0.756911 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=55.942902Jy  sigma=0.001216
! Fit after  self-cal, rms=55.942738Jy  sigma=0.001216
! 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=0.6989 mas, bmaj=1.606 mas, bpa=-20.31 degrees
! Estimated noise=3192.59 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.491758 Jy
! Component: 100  -  total flux cleaned = 0.6335 Jy
! Component: 150  -  total flux cleaned = 0.685014 Jy
! Component: 200  -  total flux cleaned = 0.712312 Jy
! Total flux subtracted in 200 components = 0.712312 Jy
! Clean residual min=-0.022033 max=0.018965 Jy/beam
! Clean residual mean=-0.000034 rms=0.005119 Jy/beam
! Combined flux in latest and established models = 0.712312 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 23 model components to the UV plane model.
! The established model now contains 23 components and 0.712312 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.9176 mas, bmaj=2.307 mas, bpa=-16.55 degrees
! Estimated noise=1321.23 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 = 0.0233419 Jy
! Component: 100  -  total flux cleaned = 0.0353232 Jy
! Component: 150  -  total flux cleaned = 0.0370293 Jy
! Component: 200  -  total flux cleaned = 0.0376439 Jy
! Total flux subtracted in 200 components = 0.0376439 Jy
! Clean residual min=-0.008866 max=0.009408 Jy/beam
! Clean residual mean=-0.000017 rms=0.002210 Jy/beam
! Combined flux in latest and established models = 0.749956 Jy
! Adding 25 model components to the UV plane model.
! The established model now contains 44 components and 0.749956 Jy
! Inverting map 
! Added new window around map position (5.4, -23.4).
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00558231 Jy
! Component: 100  -  total flux cleaned = 0.00693444 Jy
! Component: 150  -  total flux cleaned = 0.00740131 Jy
! Component: 200  -  total flux cleaned = 0.00740391 Jy
! Total flux subtracted in 200 components = 0.00740391 Jy
! Clean residual min=-0.007655 max=0.006090 Jy/beam
! Clean residual mean=-0.000021 rms=0.001761 Jy/beam
! Combined flux in latest and established models = 0.75736 Jy
! Adding 27 model components to the UV plane model.
! The established model now contains 63 components and 0.75736 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.96 mas, bmaj=4.758 mas, bpa=-10.71 degrees
! Estimated noise=1698.92 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 = 0.00518764 Jy
! Component: 100  -  total flux cleaned = 0.00583985 Jy
! Component: 150  -  total flux cleaned = 0.00585868 Jy
! Component: 200  -  total flux cleaned = 0.00561679 Jy
! Total flux subtracted in 200 components = 0.00561679 Jy
! Clean residual min=-0.006217 max=0.004064 Jy/beam
! Clean residual mean=0.000021 rms=0.001583 Jy/beam
! Combined flux in latest and established models = 0.762977 Jy
! Adding 19 model components to the UV plane model.
! The established model now contains 79 components and 0.762977 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.9176 mas, bmaj=2.307 mas, bpa=-16.55 degrees
! Estimated noise=1321.23 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.00154802 Jy
! Component: 100  -  total flux cleaned = -0.00208795 Jy
! Component: 150  -  total flux cleaned = -0.00225489 Jy
! Component: 200  -  total flux cleaned = -0.00286626 Jy
! Total flux subtracted in 200 components = -0.00286626 Jy
! Clean residual min=-0.006450 max=0.005694 Jy/beam
! Clean residual mean=-0.000003 rms=0.001473 Jy/beam
! Combined flux in latest and established models = 0.760111 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 91 components and 0.760111 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=55.942719Jy  sigma=0.001215
! Fit after  self-cal, rms=55.943443Jy  sigma=0.001215
wmodel J1820-2528_X_1997_08_27_yyk\_map.mod
! Writing 91 model components to file: J1820-2528_X_1997_08_27_yyk_map.mod
wobs J1820-2528_X_1997_08_27_yyk\_uvs.fits
! Writing UV FITS file: J1820-2528_X_1997_08_27_yyk_uvs.fits
wwins J1820-2528_X_1997_08_27_yyk\_map.win
! wwins: Wrote 4 windows to J1820-2528_X_1997_08_27_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 = -0.0025776 Jy
! Component: 100  -  total flux cleaned = -0.00368834 Jy
! Component: 150  -  total flux cleaned = -0.00467955 Jy
! Component: 200  -  total flux cleaned = -0.00544416 Jy
! Component: 250  -  total flux cleaned = -0.0059403 Jy
! Component: 300  -  total flux cleaned = -0.006408 Jy
! Component: 350  -  total flux cleaned = -0.0069187 Jy
! Component: 400  -  total flux cleaned = -0.00710341 Jy
! Component: 450  -  total flux cleaned = -0.00722039 Jy
! Component: 500  -  total flux cleaned = -0.00721798 Jy
! Component: 550  -  total flux cleaned = -0.00716407 Jy
! Component: 600  -  total flux cleaned = -0.00727094 Jy
! Component: 650  -  total flux cleaned = -0.00732151 Jy
! Component: 700  -  total flux cleaned = -0.00732079 Jy
! Component: 750  -  total flux cleaned = -0.00732168 Jy
! Component: 800  -  total flux cleaned = -0.00736889 Jy
! Component: 850  -  total flux cleaned = -0.00736967 Jy
! Component: 900  -  total flux cleaned = -0.00763237 Jy
! Component: 950  -  total flux cleaned = -0.00775961 Jy
! Component: 1000  -  total flux cleaned = -0.00796746 Jy
! Component: 1050  -  total flux cleaned = -0.00800785 Jy
! Component: 1100  -  total flux cleaned = -0.00812793 Jy
! Component: 1150  -  total flux cleaned = -0.00812919 Jy
! Component: 1200  -  total flux cleaned = -0.00824506 Jy
! Component: 1250  -  total flux cleaned = -0.00832038 Jy
! Component: 1300  -  total flux cleaned = -0.00850507 Jy
! Component: 1350  -  total flux cleaned = -0.00846907 Jy
! Component: 1400  -  total flux cleaned = -0.00854046 Jy
! Component: 1450  -  total flux cleaned = -0.00864584 Jy
! Component: 1500  -  total flux cleaned = -0.00878398 Jy
! Component: 1550  -  total flux cleaned = -0.00888599 Jy
! Component: 1600  -  total flux cleaned = -0.0090207 Jy
! Component: 1650  -  total flux cleaned = -0.0090538 Jy
! Component: 1700  -  total flux cleaned = -0.00918529 Jy
! Component: 1750  -  total flux cleaned = -0.00928246 Jy
! Component: 1800  -  total flux cleaned = -0.00947467 Jy
! Component: 1850  -  total flux cleaned = -0.00947477 Jy
! Component: 1900  -  total flux cleaned = -0.00950601 Jy
! Component: 1950  -  total flux cleaned = -0.0095059 Jy
! Component: 2000  -  total flux cleaned = -0.00953662 Jy
! Total flux subtracted in 2048 components = -0.00953667 Jy
! Clean residual min=-0.001817 max=0.002036 Jy/beam
! Clean residual mean=0.000002 rms=0.000520 Jy/beam
! Combined flux in latest and established models = 0.750574 Jy
keep
! Adding 107 model components to the UV plane model.
! The established model now contains 198 components and 0.750574 Jy
![Exited script file: muppet]
wmap "J1820-2528_X_1997_08_27_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9176 x 2.307 at -16.55 degrees (North through East)
! Clean map  min=-0.0034079  max=0.55857 Jy/beam
! Writing clean map to FITS file: J1820-2528_X_1997_08_27_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.558572 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000519328 
device "J1820-2528_X_1997_08_27_yyk\_map.eps/VPS"
! Attempting to open device: 'J1820-2528_X_1997_08_27_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.278923 0.278923 0.557846 1.11569 2.23138 4.46277 8.92553 17.8511 35.7021 71.4042
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0015 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.558 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9176 x 2.307 at -16.55 degrees (North through East)
! Clean map  min=-0.0034079  max=0.55857 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1820-2528_X_1997_08_27_yyk\_map.gif/gif"
! Attempting to open device: 'J1820-2528_X_1997_08_27_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1820-2528_X_1997_08_27_yyk_uvs.log closed on Mon Jan  8 07:43:17 2007