! Started logfile: J1157+8118_X_2006_02_14_yyk_uvs.log on Wed Jul  5 12:07:16 2006
obs J1157+8118_X_2006_02_14_yyk_uva.fits
! Reading UV FITS file: J1157+8118_X_2006_02_14_yyk_uva.fits
! AN table 1: 872 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.218196 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1157+8118
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 2307 lines of history.
! 
! Reading 34248 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 J1157+8118_X_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 0.200x0.200 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)= 0.0803817 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=2.766 mas, bmaj=13.79 mas, bpa=30.2 degrees
! Estimated noise=1.2528 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 = 0.0212973 Jy
! Component: 100  -  total flux cleaned = 0.0161271 Jy
! Total flux subtracted in 100 components = 0.0161271 Jy
! Clean residual min=-0.007440 max=0.007222 Jy/beam
! Clean residual mean=-0.000316 rms=0.003596 Jy/beam
! Combined flux in latest and established models = 0.0161271 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 41 model components to the UV plane model.
! The established model now contains 41 components and 0.0161271 Jy
! 
! Correcting IF 1.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 80 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 112 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.056836Jy  sigma=1.315458
! Fit after  self-cal, rms=0.056527Jy  sigma=1.307854
! Inverting map and beam 
! Estimated beam: bmin=2.766 mas, bmaj=13.79 mas, bpa=30.2 degrees
! Estimated noise=1.2528 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=3.042 mas, bmaj=13.3 mas, bpa=29.4 degrees
! Estimated noise=1.10111 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 = -0.00124204 Jy
! Component: 100  -  total flux cleaned = -0.00446525 Jy
! Component: 150  -  total flux cleaned = -0.00655956 Jy
! Component: 200  -  total flux cleaned = -0.0084328 Jy
! Total flux subtracted in 200 components = -0.0084328 Jy
! Clean residual min=-0.004482 max=0.004452 Jy/beam
! Clean residual mean=-0.000160 rms=0.001947 Jy/beam
! Combined flux in latest and established models = 0.00769432 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 107 model components to the UV plane model.
! The established model now contains 147 components and 0.00769433 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042877Jy  sigma=1.006541
! Fit after  self-cal, rms=0.042652Jy  sigma=1.002888
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.042 x 13.3 at 29.4 degrees (North through East)
! Clean map  min=-0.014678  max=0.023679 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: 1.00988
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.90     HN        1.00*    KP        1.17     
!   LA        0.89     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        0.95     SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 1
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KP        1.00*    
!   LA        1.00*    MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        1.00*    SC        1.00*    
! 
! 
! Correcting IF 3.
!  Amplitude normalization factor in sub-array 1: 1
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    HN        1.00*    KP        1.00*    
!   LA        1.00*    MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        1.00*    SC        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KP        0.00*    
!   LA        0.00*    MK        0.00*    NL        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    
! 
! 
! Fit before self-cal, rms=0.042652Jy  sigma=1.002888
! Fit after  self-cal, rms=0.041329Jy  sigma=0.980637
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=0.041329Jy  sigma=0.980637
! Fit after  self-cal, rms=0.041253Jy  sigma=0.978914
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.984 mas, bmaj=13.35 mas, bpa=29.35 degrees
! Estimated noise=1.12916 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 = 0.0013934 Jy
! Component: 100  -  total flux cleaned = 0.000229869 Jy
! Component: 150  -  total flux cleaned = -0.000169459 Jy
! Component: 200  -  total flux cleaned = -0.000435483 Jy
! Total flux subtracted in 200 components = -0.000435483 Jy
! Clean residual min=-0.001072 max=0.001088 Jy/beam
! Clean residual mean=-0.000047 rms=0.000474 Jy/beam
! Combined flux in latest and established models = 0.00725885 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 75 model components to the UV plane model.
! The established model now contains 219 components and 0.00725885 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.039959Jy  sigma=0.949899
! Fit after  self-cal, rms=0.039894Jy  sigma=0.948929
! 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=0.039894Jy  sigma=0.948929
! Fit after  self-cal, rms=0.035145Jy  sigma=0.834435
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 = 0.000810228 Jy
! Component: 100  -  total flux cleaned = 0.00138588 Jy
! Component: 150  -  total flux cleaned = 0.00236291 Jy
! Component: 200  -  total flux cleaned = 0.00285794 Jy
! Total flux subtracted in 200 components = 0.00285794 Jy
! Clean residual min=-0.000653 max=0.000651 Jy/beam
! Clean residual mean=-0.000013 rms=0.000258 Jy/beam
! Combined flux in latest and established models = 0.0101168 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 267 components and 0.0101168 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.034297Jy  sigma=0.816224
! Fit after  self-cal, rms=0.034068Jy  sigma=0.808569
! 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: 2.984 x 13.35 at 29.35 degrees (North through East)
! Clean map  min=-0.010837  max=0.025073 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 = 70 mega-wavelengths.
win_mult = win_mult * 1.4
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.142 mas, bmaj=13 mas, bpa=29.24 degrees
! Estimated noise=1.13654 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 = 0.000629784 Jy
! Component: 100  -  total flux cleaned = 0.000668446 Jy
! Component: 150  -  total flux cleaned = 0.000743402 Jy
! Component: 200  -  total flux cleaned = 0.00077837 Jy
! Total flux subtracted in 200 components = 0.00077837 Jy
! Clean residual min=-0.000446 max=0.000449 Jy/beam
! Clean residual mean=0.000005 rms=0.000183 Jy/beam
! Combined flux in latest and established models = 0.0108952 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 315 components and 0.0108952 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.033942Jy  sigma=0.805783
! Fit after  self-cal, rms=0.033928Jy  sigma=0.804859
! 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=2.776 mas, bmaj=13.86 mas, bpa=30.27 degrees
! Estimated noise=1.25942 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0232343 Jy
! Component: 100  -  total flux cleaned = 0.0175453 Jy
! Component: 150  -  total flux cleaned = 0.00928515 Jy
! Component: 200  -  total flux cleaned = 0.00282313 Jy
! Total flux subtracted in 200 components = 0.00282313 Jy
! Clean residual min=-0.004779 max=0.004707 Jy/beam
! Clean residual mean=-0.000184 rms=0.002323 Jy/beam
! Combined flux in latest and established models = 0.00282312 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 60 model components to the UV plane model.
! The established model now contains 60 components and 0.00282312 Jy
! Inverting map and beam 
! Estimated beam: bmin=2.984 mas, bmaj=13.35 mas, bpa=29.35 degrees
! Estimated noise=1.12916 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 = -0.00176594 Jy
! Component: 100  -  total flux cleaned = -0.00174274 Jy
! Component: 150  -  total flux cleaned = -0.00286906 Jy
! Component: 200  -  total flux cleaned = -0.00341017 Jy
! Total flux subtracted in 200 components = -0.00341017 Jy
! Clean residual min=-0.003333 max=0.003360 Jy/beam
! Clean residual mean=-0.000127 rms=0.001319 Jy/beam
! Combined flux in latest and established models = -0.000587048 Jy
! Adding 81 model components to the UV plane model.
! The established model now contains 139 components and -0.000587049 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=3.142 mas, bmaj=13 mas, bpa=29.24 degrees
! Estimated noise=1.13654 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 = -0.000902066 Jy
! Component: 100  -  total flux cleaned = -0.00188659 Jy
! Component: 150  -  total flux cleaned = -0.00247685 Jy
! Component: 200  -  total flux cleaned = -0.00309831 Jy
! Total flux subtracted in 200 components = -0.00309831 Jy
! Clean residual min=-0.000876 max=0.000878 Jy/beam
! Clean residual mean=-0.000033 rms=0.000373 Jy/beam
! Combined flux in latest and established models = -0.00368536 Jy
! Adding 74 model components to the UV plane model.
! The established model now contains 208 components and -0.00368536 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=2.984 mas, bmaj=13.35 mas, bpa=29.35 degrees
! Estimated noise=1.12916 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00075026 Jy
! Component: 100  -  total flux cleaned = 0.00112572 Jy
! Component: 150  -  total flux cleaned = 0.00166479 Jy
! Component: 200  -  total flux cleaned = 0.0018532 Jy
! Total flux subtracted in 200 components = 0.0018532 Jy
! Clean residual min=-0.000386 max=0.000392 Jy/beam
! Clean residual mean=-0.000001 rms=0.000156 Jy/beam
! Combined flux in latest and established models = -0.00183215 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 67 model components to the UV plane model.
! The established model now contains 267 components and -0.00183215 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.033901Jy  sigma=0.802368
! Fit after  self-cal, rms=0.033899Jy  sigma=0.801887
wmodel J1157+8118_X_2006_02_14_yyk\_map.mod
! Writing 267 model components to file: J1157+8118_X_2006_02_14_yyk_map.mod
wobs J1157+8118_X_2006_02_14_yyk\_uvs.fits
! Writing UV FITS file: J1157+8118_X_2006_02_14_yyk_uvs.fits
wwins J1157+8118_X_2006_02_14_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1157+8118_X_2006_02_14_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.984 x 13.35 at 29.35 degrees (North through East)
! Clean map  min=-0.013475  max=0.025611 Jy/beam
! Writing clean map to FITS file: J1157+8118_X_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 0.0256112 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000160443 
device "J1157+8118_X_2006_02_14_yyk\_map.eps/VPS"
! Attempting to open device: 'J1157+8118_X_2006_02_14_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -1.87937 1.87937 3.75873 7.51746 15.0349 30.0699 60.1397
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0004 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.025 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.984 x 13.35 at 29.35 degrees (North through East)
! Clean map  min=-0.013475  max=0.025611 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1157+8118_X_2006_02_14_yyk\_map.gif/gif"
! Attempting to open device: 'J1157+8118_X_2006_02_14_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1157+8118_X_2006_02_14_yyk_uvs.log closed on Wed Jul  5 12:07:36 2006