! Started logfile: J0425-1612_X_1997_07_02_yyk_uvs.log on Mon Jan  8 03:00:38 2007
obs J0425-1612_X_1997_07_02_yyk_uva.fits
! Reading UV FITS file: J0425-1612_X_1997_07_02_yyk_uva.fits
! AN table 1: 146 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.163166 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0425-1612
! 
! 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 754 lines of history.
! 
! Reading 4288 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 J0425-1612_X_1997_07_02_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)= 0.219096 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=4.125 mas, bmaj=4.967 mas, bpa=77.57 degrees
! Estimated noise=3119.79 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 = 0.0570331 Jy
! Component: 100  -  total flux cleaned = 0.057288 Jy
! Total flux subtracted in 100 components = 0.057288 Jy
! Clean residual min=-0.010002 max=0.009992 Jy/beam
! Clean residual mean=-0.000099 rms=0.004305 Jy/beam
! Combined flux in latest and established models = 0.057288 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 34 model components to the UV plane model.
! The established model now contains 34 components and 0.057288 Jy
! 
! Correcting IF 1.
!  A total of 921 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 921 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 921 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 921 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.203692Jy  sigma=0.001638
! Fit after  self-cal, rms=0.202918Jy  sigma=0.001632
! Inverting map and beam 
! Estimated beam: bmin=4.125 mas, bmaj=4.967 mas, bpa=77.57 degrees
! Estimated noise=3120.96 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=4.909 mas, bmaj=5.916 mas, bpa=67.32 degrees
! Estimated noise=1559.7 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 = 0.00666302 Jy
! Component: 100  -  total flux cleaned = 0.0119001 Jy
! Component: 150  -  total flux cleaned = 0.0147202 Jy
! Component: 200  -  total flux cleaned = 0.014726 Jy
! Total flux subtracted in 200 components = 0.014726 Jy
! Clean residual min=-0.003283 max=0.003259 Jy/beam
! Clean residual mean=0.000016 rms=0.001540 Jy/beam
! Combined flux in latest and established models = 0.072014 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 105 model components to the UV plane model.
! The established model now contains 137 components and 0.072014 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.201508Jy  sigma=0.001616
! Fit after  self-cal, rms=0.201484Jy  sigma=0.001615
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.909 x 5.916 at 67.32 degrees (North through East)
! Clean map  min=-0.0090524  max=0.047252 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.
!  A total of 123 telescope corrections were flagged in sub-array 1.
!  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 2.
!  A total of 123 telescope corrections were flagged in sub-array 1.
!  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.
!  A total of 123 telescope corrections were flagged in sub-array 1.
!  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 123 telescope corrections were flagged in sub-array 1.
!  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=0.201484Jy  sigma=0.001615
! Fit after  self-cal, rms=0.196290Jy  sigma=0.001555
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=0.196290Jy  sigma=0.001555
! Fit after  self-cal, rms=0.196200Jy  sigma=0.001554
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.63 mas, bmaj=5.663 mas, bpa=54.77 degrees
! Estimated noise=1730.94 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 = 0.00347764 Jy
! Component: 100  -  total flux cleaned = 0.00352937 Jy
! Component: 150  -  total flux cleaned = 0.00368107 Jy
! Component: 200  -  total flux cleaned = 0.00368754 Jy
! Total flux subtracted in 200 components = 0.00368754 Jy
! Clean residual min=-0.001780 max=0.001769 Jy/beam
! Clean residual mean=0.000007 rms=0.000773 Jy/beam
! Combined flux in latest and established models = 0.0757016 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 68 model components to the UV plane model.
! The established model now contains 205 components and 0.0757015 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.195941Jy  sigma=0.001552
! Fit after  self-cal, rms=0.195926Jy  sigma=0.001552
! 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=0.195926Jy  sigma=0.001552
! Fit after  self-cal, rms=0.194037Jy  sigma=0.001537
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 = -0.0025088 Jy
! Component: 100  -  total flux cleaned = 0.000186667 Jy
! Component: 150  -  total flux cleaned = 0.00280379 Jy
! Component: 200  -  total flux cleaned = 0.00423782 Jy
! Total flux subtracted in 200 components = 0.00423782 Jy
! Clean residual min=-0.001931 max=0.001954 Jy/beam
! Clean residual mean=-0.000030 rms=0.000765 Jy/beam
! Combined flux in latest and established models = 0.0799393 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 64 model components to the UV plane model.
! The established model now contains 265 components and 0.0799394 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.193758Jy  sigma=0.001535
! Fit after  self-cal, rms=0.193130Jy  sigma=0.001529
! 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: 4.63 x 5.663 at 54.77 degrees (North through East)
! Clean map  min=-0.0084862  max=0.046029 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=4.986 mas, bmaj=5.73 mas, bpa=58.97 degrees
! Estimated noise=1738.49 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 = 0.00119187 Jy
! Component: 100  -  total flux cleaned = 0.0043576 Jy
! Component: 150  -  total flux cleaned = 0.00676217 Jy
! Component: 200  -  total flux cleaned = 0.00856486 Jy
! Total flux subtracted in 200 components = 0.00856486 Jy
! Clean residual min=-0.001459 max=0.001484 Jy/beam
! Clean residual mean=-0.000013 rms=0.000634 Jy/beam
! Combined flux in latest and established models = 0.0885042 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 60 model components to the UV plane model.
! The established model now contains 314 components and 0.0885042 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.193007Jy  sigma=0.001528
! Fit after  self-cal, rms=0.192662Jy  sigma=0.001525
! 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=4.119 mas, bmaj=4.964 mas, bpa=77.39 degrees
! Estimated noise=3171.78 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0639397 Jy
! Component: 100  -  total flux cleaned = 0.0615214 Jy
! Component: 150  -  total flux cleaned = 0.0628983 Jy
! Component: 200  -  total flux cleaned = 0.0629144 Jy
! Total flux subtracted in 200 components = 0.0629144 Jy
! Clean residual min=-0.009115 max=0.009409 Jy/beam
! Clean residual mean=-0.000138 rms=0.003474 Jy/beam
! Combined flux in latest and established models = 0.0629144 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 52 model components to the UV plane model.
! The established model now contains 52 components and 0.0629144 Jy
! Inverting map and beam 
! Estimated beam: bmin=4.63 mas, bmaj=5.663 mas, bpa=54.77 degrees
! Estimated noise=1730.94 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 = 0.00650208 Jy
! Component: 100  -  total flux cleaned = 0.0117776 Jy
! Component: 150  -  total flux cleaned = 0.0131686 Jy
! Component: 200  -  total flux cleaned = 0.0131816 Jy
! Total flux subtracted in 200 components = 0.0131816 Jy
! Clean residual min=-0.003894 max=0.003745 Jy/beam
! Clean residual mean=-0.000018 rms=0.001651 Jy/beam
! Combined flux in latest and established models = 0.076096 Jy
! Adding 75 model components to the UV plane model.
! The established model now contains 126 components and 0.076096 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=4.986 mas, bmaj=5.73 mas, bpa=58.97 degrees
! Estimated noise=1738.49 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 = 0.000506921 Jy
! Component: 100  -  total flux cleaned = 0.000922645 Jy
! Component: 150  -  total flux cleaned = 0.00231453 Jy
! Component: 200  -  total flux cleaned = 0.00389452 Jy
! Total flux subtracted in 200 components = 0.00389452 Jy
! Clean residual min=-0.001910 max=0.001921 Jy/beam
! Clean residual mean=-0.000019 rms=0.000835 Jy/beam
! Combined flux in latest and established models = 0.0799905 Jy
! Adding 68 model components to the UV plane model.
! The established model now contains 194 components and 0.0799905 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=4.63 mas, bmaj=5.663 mas, bpa=54.77 degrees
! Estimated noise=1730.94 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00288833 Jy
! Component: 100  -  total flux cleaned = 0.00404439 Jy
! Component: 150  -  total flux cleaned = 0.00553996 Jy
! Component: 200  -  total flux cleaned = 0.00697355 Jy
! Total flux subtracted in 200 components = 0.00697355 Jy
! Clean residual min=-0.001598 max=0.001625 Jy/beam
! Clean residual mean=0.000003 rms=0.000682 Jy/beam
! Combined flux in latest and established models = 0.0869641 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 242 components and 0.086964 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.192612Jy  sigma=0.001525
! Fit after  self-cal, rms=0.192308Jy  sigma=0.001522
wmodel J0425-1612_X_1997_07_02_yyk\_map.mod
! Writing 242 model components to file: J0425-1612_X_1997_07_02_yyk_map.mod
wobs J0425-1612_X_1997_07_02_yyk\_uvs.fits
! Writing UV FITS file: J0425-1612_X_1997_07_02_yyk_uvs.fits
wwins J0425-1612_X_1997_07_02_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0425-1612_X_1997_07_02_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.63 x 5.663 at 54.77 degrees (North through East)
! Clean map  min=-0.0127  max=0.044992 Jy/beam
! Writing clean map to FITS file: J0425-1612_X_1997_07_02_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0449918 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.0011777 
device "J0425-1612_X_1997_07_02_yyk\_map.eps/VPS"
! Attempting to open device: 'J0425-1612_X_1997_07_02_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -7.85279 7.85279 15.7056 31.4112 62.8223
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0035 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.044 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.63 x 5.663 at 54.77 degrees (North through East)
! Clean map  min=-0.0127  max=0.044992 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0425-1612_X_1997_07_02_yyk\_map.gif/gif"
! Attempting to open device: 'J0425-1612_X_1997_07_02_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0425-1612_X_1997_07_02_yyk_uvs.log closed on Mon Jan  8 03:00:44 2007