! Started logfile: J0157+7552_S_2006_02_14_yyk_uvs.log on Wed Jul  5 11:04:49 2006
obs J0157+7552_S_2006_02_14_yyk_uva.fits
! Reading UV FITS file: J0157+7552_S_2006_02_14_yyk_uva.fits
! AN table 1: 868 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.462698 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0157+7552
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 2689 lines of history.
! 
! Reading 72292 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 J0157+7552_S_2006_02_14_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.
uvav time_av, true
! Averaging into 30 second bins.
! 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
phase_soltime=phase_soltime1
print "uvstat(rms)=",uvstat(rms),"Jy"
! uvstat(rms)= 0.0976017 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=7.954 mas, bmaj=10.65 mas, bpa=13.89 degrees
! Estimated noise=1.70512 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=100  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0622831 Jy
! Component: 100  -  total flux cleaned = 0.0789712 Jy
! Total flux subtracted in 100 components = 0.0789712 Jy
! Clean residual min=-0.010608 max=0.010721 Jy/beam
! Clean residual mean=-0.000004 rms=0.004625 Jy/beam
! Combined flux in latest and established models = 0.0789712 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 51 components and 0.0789712 Jy
! 
! Correcting IF 1.
!  A total of 64 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 64 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 48 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.060593Jy  sigma=1.166998
! Fit after  self-cal, rms=0.060509Jy  sigma=1.164804
! Inverting map and beam 
! Estimated beam: bmin=7.954 mas, bmaj=10.65 mas, bpa=13.89 degrees
! Estimated noise=1.70512 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=8.802 mas, bmaj=11.94 mas, bpa=15.48 degrees
! Estimated noise=1.01997 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 = 0.0101703 Jy
! Component: 100  -  total flux cleaned = 0.0123602 Jy
! Component: 150  -  total flux cleaned = 0.0153264 Jy
! Component: 200  -  total flux cleaned = 0.0164019 Jy
! Total flux subtracted in 200 components = 0.0164019 Jy
! Clean residual min=-0.003816 max=0.003910 Jy/beam
! Clean residual mean=-0.000009 rms=0.001907 Jy/beam
! Combined flux in latest and established models = 0.0953732 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 99 model components to the UV plane model.
! The established model now contains 150 components and 0.0953732 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.054971Jy  sigma=1.038687
! Fit after  self-cal, rms=0.054915Jy  sigma=1.037459
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 8.802 x 11.94 at 15.48 degrees (North through East)
! Clean map  min=-0.0065536  max=0.065634 Jy/beam
if(peak(flux) < thresh*2)
  selflims ampcor_selflim
  end if
! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2.
! Selfcal phase corrections will not be limited.
gscale
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Amplitude normalization factor in sub-array 1: 1.03823
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.89     FD        0.93     HN        1.00*    KP        0.88     
!   LA        1.12     MK        1.00*    NL        1.00*    OV        0.92     
!   PT        0.90     SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 0.992528
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.94     HN        1.00*    KP        0.89     
!   LA        1.05     MK        1.00*    NL        1.18     OV        1.03     
!   PT        0.91     SC        1.00*    
! 
! 
! Correcting IF 3.
!  Amplitude normalization factor in sub-array 1: 0.994765
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     HN        1.00*    KP        0.94     
!   LA        1.00     MK        1.00*    NL        1.03     OV        1.10     
!   PT        1.00     SC        1.00*    
! 
! 
! Correcting IF 4.
!  Amplitude normalization factor in sub-array 1: 1.03936
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.90     FD        1.03     HN        1.00*    KP        0.93     
!   LA        0.95     MK        1.00*    NL        0.94     OV        0.98     
!   PT        0.90     SC        1.00*    
! 
! 
! Fit before self-cal, rms=0.054915Jy  sigma=1.037459
! Fit after  self-cal, rms=0.053172Jy  sigma=1.019110
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=0.053172Jy  sigma=1.019110
! Fit after  self-cal, rms=0.053165Jy  sigma=1.018744
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=9.065 mas, bmaj=12.04 mas, bpa=21.76 degrees
! Estimated noise=0.991409 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 = 0.00299274 Jy
! Component: 100  -  total flux cleaned = 0.00272823 Jy
! Component: 150  -  total flux cleaned = 0.00229046 Jy
! Component: 200  -  total flux cleaned = 0.00182212 Jy
! Total flux subtracted in 200 components = 0.00182212 Jy
! Clean residual min=-0.001075 max=0.001086 Jy/beam
! Clean residual mean=0.000007 rms=0.000488 Jy/beam
! Combined flux in latest and established models = 0.0971953 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 79 model components to the UV plane model.
! The established model now contains 228 components and 0.0971953 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052565Jy  sigma=1.007619
! Fit after  self-cal, rms=0.052554Jy  sigma=1.007423
! 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=0.052554Jy  sigma=1.007423
! Fit after  self-cal, rms=0.049412Jy  sigma=0.936407
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 = 0.00185802 Jy
! Component: 100  -  total flux cleaned = 0.00158151 Jy
! Component: 150  -  total flux cleaned = 0.000969062 Jy
! Component: 200  -  total flux cleaned = 0.000970587 Jy
! Total flux subtracted in 200 components = 0.000970587 Jy
! Clean residual min=-0.000763 max=0.000765 Jy/beam
! Clean residual mean=0.000005 rms=0.000342 Jy/beam
! Combined flux in latest and established models = 0.0981658 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 61 model components to the UV plane model.
! The established model now contains 283 components and 0.0981658 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.049134Jy  sigma=0.931116
! Fit after  self-cal, rms=0.048980Jy  sigma=0.927616
! 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: 9.065 x 12.04 at 21.76 degrees (North through East)
! Clean map  min=-0.0041851  max=0.064586 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
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=10.3 mas, bmaj=13.53 mas, bpa=26.62 degrees
! Estimated noise=1.01998 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 = -0.000127821 Jy
! Component: 100  -  total flux cleaned = -0.000232959 Jy
! Component: 150  -  total flux cleaned = -0.000133758 Jy
! Component: 200  -  total flux cleaned = 0.000105698 Jy
! Total flux subtracted in 200 components = 0.000105698 Jy
! Clean residual min=-0.000580 max=0.000586 Jy/beam
! Clean residual mean=-0.000007 rms=0.000263 Jy/beam
! Combined flux in latest and established models = 0.0982715 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 61 model components to the UV plane model.
! The established model now contains 334 components and 0.0982716 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.048895Jy  sigma=0.925968
! Fit after  self-cal, rms=0.048883Jy  sigma=0.925641
! 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=8.071 mas, bmaj=10.63 mas, bpa=16.99 degrees
! Estimated noise=1.65419 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0635571 Jy
! Component: 100  -  total flux cleaned = 0.0832601 Jy
! Component: 150  -  total flux cleaned = 0.0913557 Jy
! Component: 200  -  total flux cleaned = 0.0975544 Jy
! Total flux subtracted in 200 components = 0.0975544 Jy
! Clean residual min=-0.005264 max=0.005267 Jy/beam
! Clean residual mean=0.000027 rms=0.002591 Jy/beam
! Combined flux in latest and established models = 0.0975544 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 98 model components to the UV plane model.
! The established model now contains 98 components and 0.0975544 Jy
! Inverting map and beam 
! Estimated beam: bmin=9.065 mas, bmaj=12.04 mas, bpa=21.76 degrees
! Estimated noise=0.991409 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 = -0.00335498 Jy
! Component: 100  -  total flux cleaned = -0.00330852 Jy
! Component: 150  -  total flux cleaned = -0.0035898 Jy
! Component: 200  -  total flux cleaned = -0.00359319 Jy
! Total flux subtracted in 200 components = -0.00359319 Jy
! Clean residual min=-0.002590 max=0.002579 Jy/beam
! Clean residual mean=0.000004 rms=0.001166 Jy/beam
! Combined flux in latest and established models = 0.0939612 Jy
! Adding 80 model components to the UV plane model.
! The established model now contains 178 components and 0.0939612 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=10.3 mas, bmaj=13.53 mas, bpa=26.62 degrees
! Estimated noise=1.01998 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 = 0.000298063 Jy
! Component: 100  -  total flux cleaned = 0.00031782 Jy
! Component: 150  -  total flux cleaned = 0.00089773 Jy
! Component: 200  -  total flux cleaned = 0.0012757 Jy
! Total flux subtracted in 200 components = 0.0012757 Jy
! Clean residual min=-0.001075 max=0.001096 Jy/beam
! Clean residual mean=-0.000018 rms=0.000474 Jy/beam
! Combined flux in latest and established models = 0.0952369 Jy
! Adding 76 model components to the UV plane model.
! The established model now contains 251 components and 0.0952369 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=9.065 mas, bmaj=12.04 mas, bpa=21.76 degrees
! Estimated noise=0.991409 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.000441069 Jy
! Component: 100  -  total flux cleaned = 0.000645749 Jy
! Component: 150  -  total flux cleaned = 0.000958471 Jy
! Component: 200  -  total flux cleaned = 0.00112961 Jy
! Total flux subtracted in 200 components = 0.00112961 Jy
! Clean residual min=-0.000695 max=0.000699 Jy/beam
! Clean residual mean=-0.000004 rms=0.000286 Jy/beam
! Combined flux in latest and established models = 0.0963665 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 56 model components to the UV plane model.
! The established model now contains 306 components and 0.0963665 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.048836Jy  sigma=0.925417
! Fit after  self-cal, rms=0.048831Jy  sigma=0.925145
wmodel J0157+7552_S_2006_02_14_yyk\_map.mod
! Writing 306 model components to file: J0157+7552_S_2006_02_14_yyk_map.mod
wobs J0157+7552_S_2006_02_14_yyk\_uvs.fits
! Writing UV FITS file: J0157+7552_S_2006_02_14_yyk_uvs.fits
wwins J0157+7552_S_2006_02_14_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0157+7552_S_2006_02_14_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 9.065 x 12.04 at 21.76 degrees (North through East)
! Clean map  min=-0.0043611  max=0.06304 Jy/beam
! Writing clean map to FITS file: J0157+7552_S_2006_02_14_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0630405 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000285925 
device "J0157+7552_S_2006_02_14_yyk\_map.eps/VPS"
! Attempting to open device: 'J0157+7552_S_2006_02_14_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -1.36067 1.36067 2.72135 5.44269 10.8854 21.7708 43.5415 87.0831
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0008 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.063 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 9.065 x 12.04 at 21.76 degrees (North through East)
! Clean map  min=-0.0043611  max=0.06304 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0157+7552_S_2006_02_14_yyk\_map.gif/gif"
! Attempting to open device: 'J0157+7552_S_2006_02_14_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0157+7552_S_2006_02_14_yyk_uvs.log closed on Wed Jul  5 11:05:10 2006