! Started logfile: J0031-3922_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:43:03 2007
obs J0031-3922_X_2002_01_31_yyk_uva.fits
! Reading UV FITS file: J0031-3922_X_2002_01_31_yyk_uva.fits
! AN table 1: 34 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.429412 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0031-3922
! 
! 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  8.40947e+09        8e+06          1        8e+06
!  02        2  8.47947e+09        8e+06          1        8e+06
!  03        3  8.79447e+09        8e+06          1        8e+06
!  04        4  8.89947e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1545 lines of history.
! 
! Reading 2628 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
flag NL
! Flagging baselines of antenna 1:NL in the currently selected channels.
![@muppet J0031-3922_X_2002_01_31_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)= 0.301929 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=0.7552 mas, bmaj=11.66 mas, bpa=22.41 degrees
! Estimated noise=3801.43 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 = 0.0317982 Jy
! Component: 100  -  total flux cleaned = 0.0276939 Jy
! Total flux subtracted in 100 components = 0.0276939 Jy
! Clean residual min=-0.011422 max=0.011330 Jy/beam
! Clean residual mean=-0.000332 rms=0.004705 Jy/beam
! Combined flux in latest and established models = 0.0276939 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 33 components and 0.0276939 Jy
! 
! Correcting IF 1.
!  A total of 241 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 146 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 179 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 146 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.297415Jy  sigma=0.002023
! Fit after  self-cal, rms=0.296578Jy  sigma=0.002016
! Inverting map and beam 
! Estimated beam: bmin=0.7552 mas, bmaj=11.66 mas, bpa=22.41 degrees
! Estimated noise=3801.43 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=1.047 mas, bmaj=11.44 mas, bpa=21.27 degrees
! Estimated noise=2518.82 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 = 0.00259371 Jy
! Component: 100  -  total flux cleaned = 0.00579156 Jy
! Component: 150  -  total flux cleaned = 0.00768511 Jy
! Component: 200  -  total flux cleaned = 0.00475588 Jy
! Total flux subtracted in 200 components = 0.00475588 Jy
! Clean residual min=-0.004138 max=0.004063 Jy/beam
! Clean residual mean=-0.000095 rms=0.001972 Jy/beam
! Combined flux in latest and established models = 0.0324498 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 76 model components to the UV plane model.
! The established model now contains 109 components and 0.0324498 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.294739Jy  sigma=0.001999
! Fit after  self-cal, rms=0.294631Jy  sigma=0.001998
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.047 x 11.44 at 21.27 degrees (North through East)
! Clean map  min=-0.011429  max=0.02385 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 99 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 2.
!  A total of 3 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 3 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 3 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=0.294631Jy  sigma=0.001998
! Fit after  self-cal, rms=0.303872Jy  sigma=0.002045
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=0.303872Jy  sigma=0.002045
! Fit after  self-cal, rms=0.303864Jy  sigma=0.002045
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9977 mas, bmaj=11.54 mas, bpa=21.48 degrees
! Estimated noise=2685.02 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 = -0.00144666 Jy
! Component: 100  -  total flux cleaned = -0.00530974 Jy
! Component: 150  -  total flux cleaned = -0.0065824 Jy
! Component: 200  -  total flux cleaned = -0.00714237 Jy
! Total flux subtracted in 200 components = -0.00714237 Jy
! Clean residual min=-0.003444 max=0.003448 Jy/beam
! Clean residual mean=-0.000003 rms=0.001553 Jy/beam
! Combined flux in latest and established models = 0.0253074 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 70 model components to the UV plane model.
! The established model now contains 179 components and 0.0253074 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.303293Jy  sigma=0.002041
! Fit after  self-cal, rms=0.303185Jy  sigma=0.002040
! 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=0.303185Jy  sigma=0.002040
! Fit after  self-cal, rms=0.301785Jy  sigma=0.002029
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 = 0.00722079 Jy
! Component: 100  -  total flux cleaned = 0.00648598 Jy
! Component: 150  -  total flux cleaned = 0.00816645 Jy
! Component: 200  -  total flux cleaned = 0.0105275 Jy
! Total flux subtracted in 200 components = 0.0105275 Jy
! Clean residual min=-0.003519 max=0.003539 Jy/beam
! Clean residual mean=-0.000000 rms=0.001466 Jy/beam
! Combined flux in latest and established models = 0.0358349 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 223 components and 0.0358349 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.300963Jy  sigma=0.002023
! Fit after  self-cal, rms=0.300257Jy  sigma=0.002020
! 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: 0.9977 x 11.54 at 21.48 degrees (North through East)
! Clean map  min=-0.013966  max=0.023572 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=3.215 mas, bmaj=18.84 mas, bpa=8.214 degrees
! Estimated noise=3127.6 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 = 0.00322828 Jy
! Component: 100  -  total flux cleaned = 0.00200029 Jy
! Component: 150  -  total flux cleaned = 0.00100447 Jy
! Component: 200  -  total flux cleaned = 0.00124494 Jy
! Total flux subtracted in 200 components = 0.00124494 Jy
! Clean residual min=-0.003275 max=0.003308 Jy/beam
! Clean residual mean=-0.000037 rms=0.001450 Jy/beam
! Combined flux in latest and established models = 0.0370799 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 42 model components to the UV plane model.
! The established model now contains 262 components and 0.0370799 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.299975Jy  sigma=0.002018
! Fit after  self-cal, rms=0.299629Jy  sigma=0.002017
! 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=0.7548 mas, bmaj=11.64 mas, bpa=22.41 degrees
! Estimated noise=3886.23 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00951782 Jy
! Component: 100  -  total flux cleaned = 0.00438093 Jy
! Component: 150  -  total flux cleaned = 0.00437144 Jy
! Component: 200  -  total flux cleaned = 0.00432911 Jy
! Total flux subtracted in 200 components = 0.00432911 Jy
! Clean residual min=-0.010782 max=0.010821 Jy/beam
! Clean residual mean=-0.000240 rms=0.004115 Jy/beam
! Combined flux in latest and established models = 0.00432911 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 57 model components to the UV plane model.
! The established model now contains 57 components and 0.00432911 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.9977 mas, bmaj=11.54 mas, bpa=21.48 degrees
! Estimated noise=2685.02 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 = 0.0168771 Jy
! Component: 100  -  total flux cleaned = 0.0194971 Jy
! Component: 150  -  total flux cleaned = 0.0235592 Jy
! Component: 200  -  total flux cleaned = 0.024684 Jy
! Total flux subtracted in 200 components = 0.024684 Jy
! Clean residual min=-0.004529 max=0.004534 Jy/beam
! Clean residual mean=-0.000018 rms=0.001934 Jy/beam
! Combined flux in latest and established models = 0.0290131 Jy
! Adding 79 model components to the UV plane model.
! The established model now contains 136 components and 0.0290131 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=3.215 mas, bmaj=18.84 mas, bpa=8.214 degrees
! Estimated noise=3127.6 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 = 0.00085413 Jy
! Component: 100  -  total flux cleaned = 0.000838135 Jy
! Component: 150  -  total flux cleaned = 0.000522794 Jy
! Component: 200  -  total flux cleaned = -0.000428281 Jy
! Total flux subtracted in 200 components = -0.000428281 Jy
! Clean residual min=-0.004019 max=0.004036 Jy/beam
! Clean residual mean=-0.000057 rms=0.001712 Jy/beam
! Combined flux in latest and established models = 0.0285848 Jy
! Adding 61 model components to the UV plane model.
! The established model now contains 196 components and 0.0285848 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.9977 mas, bmaj=11.54 mas, bpa=21.48 degrees
! Estimated noise=2685.02 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.000478979 Jy
! Component: 100  -  total flux cleaned = -0.000574159 Jy
! Component: 150  -  total flux cleaned = -0.000584347 Jy
! Component: 200  -  total flux cleaned = -0.00147725 Jy
! Total flux subtracted in 200 components = -0.00147725 Jy
! Clean residual min=-0.002717 max=0.002724 Jy/beam
! Clean residual mean=-0.000012 rms=0.001084 Jy/beam
! Combined flux in latest and established models = 0.0271076 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 45 model components to the UV plane model.
! The established model now contains 241 components and 0.0271076 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.298782Jy  sigma=0.002012
! Fit after  self-cal, rms=0.298366Jy  sigma=0.002010
wmodel J0031-3922_X_2002_01_31_yyk\_map.mod
! Writing 241 model components to file: J0031-3922_X_2002_01_31_yyk_map.mod
wobs J0031-3922_X_2002_01_31_yyk\_uvs.fits
! Applying 34 buffered edits.
! Writing UV FITS file: J0031-3922_X_2002_01_31_yyk_uvs.fits
wwins J0031-3922_X_2002_01_31_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0031-3922_X_2002_01_31_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9977 x 11.54 at 21.48 degrees (North through East)
! Clean map  min=-0.012597  max=0.019015 Jy/beam
! Writing clean map to FITS file: J0031-3922_X_2002_01_31_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0190154 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00144982 
device "J0031-3922_X_2002_01_31_yyk\_map.eps/VPS"
! Attempting to open device: 'J0031-3922_X_2002_01_31_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -22.8734 22.8734 45.7467 91.4934
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0043 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.019 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9977 x 11.54 at 21.48 degrees (North through East)
! Clean map  min=-0.012597  max=0.019015 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0031-3922_X_2002_01_31_yyk\_map.gif/gif"
! Attempting to open device: 'J0031-3922_X_2002_01_31_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0031-3922_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:43:08 2007