! Started logfile: J1609+7939_X_2006_02_14_yyk_uvs.log on Wed Jul  5 12:54:18 2006
obs J1609+7939_X_2006_02_14_yyk_uva.fits
! Reading UV FITS file: J1609+7939_X_2006_02_14_yyk_uva.fits
! AN table 1: 843 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.220061 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1609+7939
! 
! 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 2304 lines of history.
! 
! Reading 33392 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 J1609+7939_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)= 0.0928981 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=1.936 mas, bmaj=5.425 mas, bpa=-26.24 degrees
! Estimated noise=2.90783 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 = 0.0513927 Jy
! Component: 100  -  total flux cleaned = 0.0719508 Jy
! Total flux subtracted in 100 components = 0.0719508 Jy
! Clean residual min=-0.010697 max=0.010936 Jy/beam
! Clean residual mean=-0.000177 rms=0.004854 Jy/beam
! Combined flux in latest and established models = 0.0719508 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 40 components and 0.0719508 Jy
! 
! Correcting IF 1.
!  A total of 80 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 96 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 96 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.057117Jy  sigma=1.143836
! Fit after  self-cal, rms=0.056645Jy  sigma=1.132864
! Inverting map and beam 
! Estimated beam: bmin=1.936 mas, bmaj=5.425 mas, bpa=-26.24 degrees
! Estimated noise=2.90783 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=2.097 mas, bmaj=5.762 mas, bpa=-29.27 degrees
! Estimated noise=1.54712 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 = 0.0144589 Jy
! Component: 100  -  total flux cleaned = 0.0142072 Jy
! Component: 150  -  total flux cleaned = 0.0121714 Jy
! Component: 200  -  total flux cleaned = 0.011689 Jy
! Total flux subtracted in 200 components = 0.011689 Jy
! Clean residual min=-0.002471 max=0.002500 Jy/beam
! Clean residual mean=-0.000031 rms=0.000923 Jy/beam
! Combined flux in latest and established models = 0.0836398 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 62 model components to the UV plane model.
! The established model now contains 99 components and 0.0836398 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.050761Jy  sigma=1.000952
! Fit after  self-cal, rms=0.050493Jy  sigma=0.995709
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.097 x 5.762 at -29.27 degrees (North through East)
! Clean map  min=-0.008069  max=0.042457 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: 1.00599
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.93     HN        1.00*    KP        0.99     
!   LA        1.03     MK        1.00*    NL        1.00     OV        0.98     
!   PT        1.00*    SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 1.01421
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00     HN        1.00*    KP        0.95     
!   LA        0.93     MK        1.00*    NL        0.98     OV        1.00*    
!   PT        1.00*    SC        1.00*    
! 
! 
! Correcting IF 3.
!  Amplitude normalization factor in sub-array 1: 0.994745
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.04     HN        1.00*    KP        0.93     
!   LA        0.98     MK        1.00*    NL        1.10     OV        1.00*    
!   PT        1.00*    SC        1.00*    
! 
! 
! Correcting IF 4.
!  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*    
! 
! 
! Fit before self-cal, rms=0.050493Jy  sigma=0.995709
! Fit after  self-cal, rms=0.049863Jy  sigma=0.991806
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=0.049863Jy  sigma=0.991806
! Fit after  self-cal, rms=0.049677Jy  sigma=0.988224
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.116 mas, bmaj=5.707 mas, bpa=-28.83 degrees
! Estimated noise=1.52725 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 = -0.000438845 Jy
! Component: 100  -  total flux cleaned = -0.00034954 Jy
! Component: 150  -  total flux cleaned = -0.00079962 Jy
! Component: 200  -  total flux cleaned = -0.00136732 Jy
! Total flux subtracted in 200 components = -0.00136732 Jy
! Clean residual min=-0.000871 max=0.000870 Jy/beam
! Clean residual mean=-0.000010 rms=0.000294 Jy/beam
! Combined flux in latest and established models = 0.0822724 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 43 model components to the UV plane model.
! The established model now contains 142 components and 0.0822724 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.049468Jy  sigma=0.983625
! Fit after  self-cal, rms=0.049333Jy  sigma=0.980917
! 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=0.049333Jy  sigma=0.980917
! Fit after  self-cal, rms=0.043065Jy  sigma=0.850585
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 = -0.00232322 Jy
! Component: 100  -  total flux cleaned = -0.0027635 Jy
! Component: 150  -  total flux cleaned = -0.00319419 Jy
! Component: 200  -  total flux cleaned = -0.00290965 Jy
! Total flux subtracted in 200 components = -0.00290965 Jy
! Clean residual min=-0.001073 max=0.001062 Jy/beam
! Clean residual mean=-0.000009 rms=0.000357 Jy/beam
! Combined flux in latest and established models = 0.0793628 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 54 model components to the UV plane model.
! The established model now contains 191 components and 0.0793628 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042461Jy  sigma=0.837597
! Fit after  self-cal, rms=0.041879Jy  sigma=0.827677
! 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: 2.116 x 5.707 at -28.83 degrees (North through East)
! Clean map  min=-0.0092602  max=0.041904 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=2.425 mas, bmaj=5.715 mas, bpa=-28.61 degrees
! Estimated noise=1.57318 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 = -0.000664406 Jy
! Component: 100  -  total flux cleaned = -0.000806885 Jy
! Component: 150  -  total flux cleaned = -0.00115529 Jy
! Component: 200  -  total flux cleaned = -0.00157041 Jy
! Total flux subtracted in 200 components = -0.00157041 Jy
! Clean residual min=-0.000867 max=0.000850 Jy/beam
! Clean residual mean=-0.000005 rms=0.000299 Jy/beam
! Combined flux in latest and established models = 0.0777923 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 34 model components to the UV plane model.
! The established model now contains 221 components and 0.0777924 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041726Jy  sigma=0.823995
! Fit after  self-cal, rms=0.041606Jy  sigma=0.822413
! 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=1.945 mas, bmaj=5.386 mas, bpa=-26.06 degrees
! Estimated noise=2.87078 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0465507 Jy
! Component: 100  -  total flux cleaned = 0.0626252 Jy
! Component: 150  -  total flux cleaned = 0.0715908 Jy
! Component: 200  -  total flux cleaned = 0.0740932 Jy
! Total flux subtracted in 200 components = 0.0740932 Jy
! Clean residual min=-0.005495 max=0.005458 Jy/beam
! Clean residual mean=-0.000099 rms=0.002360 Jy/beam
! Combined flux in latest and established models = 0.0740932 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 62 model components to the UV plane model.
! The established model now contains 62 components and 0.0740932 Jy
! Inverting map and beam 
! Estimated beam: bmin=2.116 mas, bmaj=5.707 mas, bpa=-28.83 degrees
! Estimated noise=1.52725 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 = 0.0015146 Jy
! Component: 100  -  total flux cleaned = 0.00203074 Jy
! Component: 150  -  total flux cleaned = 0.00392309 Jy
! Component: 200  -  total flux cleaned = 0.00371234 Jy
! Total flux subtracted in 200 components = 0.00371234 Jy
! Clean residual min=-0.002574 max=0.002608 Jy/beam
! Clean residual mean=-0.000016 rms=0.000879 Jy/beam
! Combined flux in latest and established models = 0.0778055 Jy
! Adding 45 model components to the UV plane model.
! The established model now contains 107 components and 0.0778055 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=2.425 mas, bmaj=5.715 mas, bpa=-28.61 degrees
! Estimated noise=1.57318 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 = -0.0025858 Jy
! Component: 100  -  total flux cleaned = -0.0026086 Jy
! Component: 150  -  total flux cleaned = -0.00239425 Jy
! Component: 200  -  total flux cleaned = -0.00196757 Jy
! Total flux subtracted in 200 components = -0.00196757 Jy
! Clean residual min=-0.001331 max=0.001312 Jy/beam
! Clean residual mean=-0.000008 rms=0.000445 Jy/beam
! Combined flux in latest and established models = 0.075838 Jy
! Adding 37 model components to the UV plane model.
! The established model now contains 144 components and 0.075838 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=2.116 mas, bmaj=5.707 mas, bpa=-28.83 degrees
! Estimated noise=1.52725 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000290568 Jy
! Component: 100  -  total flux cleaned = -0.000854504 Jy
! Component: 150  -  total flux cleaned = -0.00135939 Jy
! Component: 200  -  total flux cleaned = -0.00159609 Jy
! Total flux subtracted in 200 components = -0.00159609 Jy
! Clean residual min=-0.000729 max=0.000737 Jy/beam
! Clean residual mean=-0.000004 rms=0.000256 Jy/beam
! Combined flux in latest and established models = 0.0742419 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 191 components and 0.0742419 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041610Jy  sigma=0.821366
! Fit after  self-cal, rms=0.041478Jy  sigma=0.819187
wmodel J1609+7939_X_2006_02_14_yyk\_map.mod
! Writing 191 model components to file: J1609+7939_X_2006_02_14_yyk_map.mod
wobs J1609+7939_X_2006_02_14_yyk\_uvs.fits
! Writing UV FITS file: J1609+7939_X_2006_02_14_yyk_uvs.fits
wwins J1609+7939_X_2006_02_14_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1609+7939_X_2006_02_14_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.116 x 5.707 at -28.83 degrees (North through East)
! Clean map  min=-0.0094553  max=0.042558 Jy/beam
! Writing clean map to FITS file: J1609+7939_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 0.0425575 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000311712 
device "J1609+7939_X_2006_02_14_yyk\_map.eps/VPS"
! Attempting to open device: 'J1609+7939_X_2006_02_14_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -2.19734 2.19734 4.39469 8.78938 17.5788 35.1575 70.315
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0009 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.042 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.116 x 5.707 at -28.83 degrees (North through East)
! Clean map  min=-0.0094553  max=0.042558 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1609+7939_X_2006_02_14_yyk\_map.gif/gif"
! Attempting to open device: 'J1609+7939_X_2006_02_14_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1609+7939_X_2006_02_14_yyk_uvs.log closed on Wed Jul  5 12:54:38 2006