! Started logfile: J1909+7813_X_2006_02_16_yyk_uvs.log on Wed Jul  5 13:35:57 2006
obs J1909+7813_X_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J1909+7813_X_2006_02_16_yyk_uva.fits
! AN table 1: 872 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.133155 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1909+7813
! 
! 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 2421 lines of history.
! 
! Reading 20900 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 J1909+7813_X_2006_02_16_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)= 0.0728886 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=5.322 mas, bmaj=11.23 mas, bpa=3.415 degrees
! Estimated noise=2.8665 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 = 0.0410514 Jy
! Component: 100  -  total flux cleaned = 0.0508503 Jy
! Total flux subtracted in 100 components = 0.0508503 Jy
! Clean residual min=-0.003559 max=0.003522 Jy/beam
! Clean residual mean=-0.000044 rms=0.001776 Jy/beam
! Combined flux in latest and established models = 0.0508502 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 16 components and 0.0508502 Jy
! 
! Correcting IF 1.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 112 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 160 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 160 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.048850Jy  sigma=1.050438
! Fit after  self-cal, rms=0.048636Jy  sigma=1.051400
! Inverting map and beam 
! Estimated beam: bmin=5.338 mas, bmaj=11.26 mas, bpa=3.425 degrees
! Estimated noise=2.89873 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=6.385 mas, bmaj=11.4 mas, bpa=-10.86 degrees
! Estimated noise=2.40738 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 = -4.40269e-05 Jy
! Component: 100  -  total flux cleaned = 0.00154187 Jy
! Component: 150  -  total flux cleaned = 0.00243378 Jy
! Component: 200  -  total flux cleaned = 0.00243366 Jy
! Total flux subtracted in 200 components = 0.00243366 Jy
! Clean residual min=-0.001262 max=0.001272 Jy/beam
! Clean residual mean=-0.000032 rms=0.000442 Jy/beam
! Combined flux in latest and established models = 0.0532839 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 89 model components to the UV plane model.
! The established model now contains 104 components and 0.0532839 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.048344Jy  sigma=1.040368
! Fit after  self-cal, rms=0.048308Jy  sigma=1.039397
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.385 x 11.4 at -10.86 degrees (North through East)
! Clean map  min=-0.0018128  max=0.039699 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: 0.990988
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.97     HN        1.00*    KP        1.04     
!   LA        1.07     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        1.00     SC        1.00*    
! 
! 
! Correcting IF 2.
!  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*    
! 
! 
! Correcting IF 3.
!  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*    
! 
! 
! Correcting IF 4.
!  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=0.048308Jy  sigma=1.039397
! Fit after  self-cal, rms=0.043777Jy  sigma=0.977965
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=0.043777Jy  sigma=0.977965
! Fit after  self-cal, rms=0.043779Jy  sigma=0.977700
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=6.009 mas, bmaj=10.62 mas, bpa=3.815 degrees
! Estimated noise=2.97596 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 = 0.00244179 Jy
! Component: 100  -  total flux cleaned = 0.00273105 Jy
! Component: 150  -  total flux cleaned = 0.00257854 Jy
! Component: 200  -  total flux cleaned = 0.00286011 Jy
! Total flux subtracted in 200 components = 0.00286011 Jy
! Clean residual min=-0.000577 max=0.000591 Jy/beam
! Clean residual mean=-0.000002 rms=0.000240 Jy/beam
! Combined flux in latest and established models = 0.056144 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 71 model components to the UV plane model.
! The established model now contains 173 components and 0.056144 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.043732Jy  sigma=0.972917
! Fit after  self-cal, rms=0.043721Jy  sigma=0.972612
! 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=0.043721Jy  sigma=0.972612
! Fit after  self-cal, rms=0.038795Jy  sigma=0.844443
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 = 0.00260566 Jy
! Component: 100  -  total flux cleaned = 0.00320663 Jy
! Component: 150  -  total flux cleaned = 0.00297223 Jy
! Component: 200  -  total flux cleaned = 0.00336322 Jy
! Total flux subtracted in 200 components = 0.00336322 Jy
! Clean residual min=-0.000797 max=0.000805 Jy/beam
! Clean residual mean=-0.000006 rms=0.000335 Jy/beam
! Combined flux in latest and established models = 0.0595072 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 82 model components to the UV plane model.
! The established model now contains 252 components and 0.0595072 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.038342Jy  sigma=0.836170
! Fit after  self-cal, rms=0.037971Jy  sigma=0.826976
! 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: 6.009 x 10.62 at 3.815 degrees (North through East)
! Clean map  min=-0.0035439  max=0.041481 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=6.087 mas, bmaj=10.61 mas, bpa=3.839 degrees
! Estimated noise=2.97726 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 = 0.000369672 Jy
! Component: 100  -  total flux cleaned = 0.000677031 Jy
! Component: 150  -  total flux cleaned = 0.000857704 Jy
! Component: 200  -  total flux cleaned = 0.00108869 Jy
! Total flux subtracted in 200 components = 0.00108869 Jy
! Clean residual min=-0.000358 max=0.000354 Jy/beam
! Clean residual mean=-0.000001 rms=0.000154 Jy/beam
! Combined flux in latest and established models = 0.0605959 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 312 components and 0.0605959 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.037959Jy  sigma=0.825871
! Fit after  self-cal, rms=0.037926Jy  sigma=0.824830
! 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=5.312 mas, bmaj=11.31 mas, bpa=3.751 degrees
! Estimated noise=3.19243 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0367944 Jy
! Component: 100  -  total flux cleaned = 0.0369375 Jy
! Component: 150  -  total flux cleaned = 0.0339739 Jy
! Component: 200  -  total flux cleaned = 0.0344428 Jy
! Total flux subtracted in 200 components = 0.0344428 Jy
! Clean residual min=-0.002694 max=0.002716 Jy/beam
! Clean residual mean=-0.000058 rms=0.001145 Jy/beam
! Combined flux in latest and established models = 0.0344428 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 55 model components to the UV plane model.
! The established model now contains 55 components and 0.0344428 Jy
! Inverting map and beam 
! Estimated beam: bmin=6.009 mas, bmaj=10.62 mas, bpa=3.815 degrees
! Estimated noise=2.97596 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 = -0.0016171 Jy
! Component: 100  -  total flux cleaned = -0.000939383 Jy
! Component: 150  -  total flux cleaned = -0.000307307 Jy
! Component: 200  -  total flux cleaned = 0.00109201 Jy
! Total flux subtracted in 200 components = 0.00109201 Jy
! Clean residual min=-0.001077 max=0.001094 Jy/beam
! Clean residual mean=-0.000020 rms=0.000384 Jy/beam
! Combined flux in latest and established models = 0.0355348 Jy
! Adding 46 model components to the UV plane model.
! The established model now contains 100 components and 0.0355348 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=6.087 mas, bmaj=10.61 mas, bpa=3.839 degrees
! Estimated noise=2.97726 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 = -0.000359475 Jy
! Component: 100  -  total flux cleaned = -0.000658665 Jy
! Component: 150  -  total flux cleaned = -0.000907981 Jy
! Component: 200  -  total flux cleaned = -0.00101566 Jy
! Total flux subtracted in 200 components = -0.00101566 Jy
! Clean residual min=-0.000691 max=0.000698 Jy/beam
! Clean residual mean=-0.000004 rms=0.000255 Jy/beam
! Combined flux in latest and established models = 0.0345191 Jy
! Adding 54 model components to the UV plane model.
! The established model now contains 153 components and 0.0345191 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=6.009 mas, bmaj=10.62 mas, bpa=3.815 degrees
! Estimated noise=2.97596 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000665348 Jy
! Component: 100  -  total flux cleaned = -0.000630235 Jy
! Component: 150  -  total flux cleaned = -0.000501992 Jy
! Component: 200  -  total flux cleaned = -0.000279776 Jy
! Total flux subtracted in 200 components = -0.000279776 Jy
! Clean residual min=-0.000395 max=0.000399 Jy/beam
! Clean residual mean=-0.000004 rms=0.000159 Jy/beam
! Combined flux in latest and established models = 0.0342393 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 55 model components to the UV plane model.
! The established model now contains 206 components and 0.0342394 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.037958Jy  sigma=0.825236
! Fit after  self-cal, rms=0.037944Jy  sigma=0.824932
wmodel J1909+7813_X_2006_02_16_yyk\_map.mod
! Writing 206 model components to file: J1909+7813_X_2006_02_16_yyk_map.mod
wobs J1909+7813_X_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J1909+7813_X_2006_02_16_yyk_uvs.fits
wwins J1909+7813_X_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1909+7813_X_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.009 x 10.62 at 3.815 degrees (North through East)
! Clean map  min=-0.0048886  max=0.040339 Jy/beam
! Writing clean map to FITS file: J1909+7813_X_2006_02_16_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0403389 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000161073 
device "J1909+7813_X_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J1909+7813_X_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -1.1979 1.1979 2.39581 4.79161 9.58322 19.1664 38.3329 76.6658
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0004 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.04 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.009 x 10.62 at 3.815 degrees (North through East)
! Clean map  min=-0.0048886  max=0.040339 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1909+7813_X_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J1909+7813_X_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1909+7813_X_2006_02_16_yyk_uvs.log closed on Wed Jul  5 13:36:30 2006