! Started logfile: J0326-3243_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:47:09 2007
obs J0326-3243_X_2002_01_31_yyk_uva.fits
! Reading UV FITS file: J0326-3243_X_2002_01_31_yyk_uva.fits
! AN table 1: 71 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.210016 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0326-3243
! 
! 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 2684 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 J0326-3243_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)= 0.261215 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=0.6796 mas, bmaj=5.051 mas, bpa=24.14 degrees
! Estimated noise=3313.64 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 = 0.0215065 Jy
! Component: 100  -  total flux cleaned = 0.0320124 Jy
! Total flux subtracted in 100 components = 0.0320124 Jy
! Clean residual min=-0.012632 max=0.012668 Jy/beam
! Clean residual mean=0.000005 rms=0.004694 Jy/beam
! Combined flux in latest and established models = 0.0320124 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 39 components and 0.0320124 Jy
! 
! Correcting IF 1.
!  A total of 381 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 445 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 365 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.259041Jy  sigma=0.001982
! Fit after  self-cal, rms=0.258544Jy  sigma=0.001978
! Inverting map and beam 
! Estimated beam: bmin=0.6796 mas, bmaj=5.051 mas, bpa=24.14 degrees
! Estimated noise=3313.64 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=0.9071 mas, bmaj=6.306 mas, bpa=23.4 degrees
! Estimated noise=1725.9 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 = 0.00730358 Jy
! Component: 100  -  total flux cleaned = 0.00366584 Jy
! Component: 150  -  total flux cleaned = 0.00297252 Jy
! Component: 200  -  total flux cleaned = 0.00263055 Jy
! Total flux subtracted in 200 components = 0.00263055 Jy
! Clean residual min=-0.003450 max=0.003461 Jy/beam
! Clean residual mean=0.000027 rms=0.001260 Jy/beam
! Combined flux in latest and established models = 0.0346429 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 45 model components to the UV plane model.
! The established model now contains 84 components and 0.0346429 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.257514Jy  sigma=0.001970
! Fit after  self-cal, rms=0.257412Jy  sigma=0.001969
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9071 x 6.306 at 23.4 degrees (North through East)
! Clean map  min=-0.0087429  max=0.019803 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 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 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=0.257412Jy  sigma=0.001969
! Fit after  self-cal, rms=0.257806Jy  sigma=0.001971
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=0.257806Jy  sigma=0.001971
! Fit after  self-cal, rms=0.257800Jy  sigma=0.001971
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9049 mas, bmaj=6.304 mas, bpa=23.41 degrees
! Estimated noise=1730.43 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=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.0027426 Jy
! Component: 100  -  total flux cleaned = -0.002161 Jy
! Component: 150  -  total flux cleaned = -0.00167082 Jy
! Component: 200  -  total flux cleaned = -0.000511765 Jy
! Total flux subtracted in 200 components = -0.000511765 Jy
! Clean residual min=-0.002789 max=0.002778 Jy/beam
! Clean residual mean=0.000012 rms=0.001017 Jy/beam
! Combined flux in latest and established models = 0.0341312 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 121 components and 0.0341311 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.257365Jy  sigma=0.001968
! Fit after  self-cal, rms=0.257332Jy  sigma=0.001968
! 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=0.257332Jy  sigma=0.001968
! Fit after  self-cal, rms=0.255692Jy  sigma=0.001954
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 = 0.000155412 Jy
! Component: 100  -  total flux cleaned = 0.000937912 Jy
! Component: 150  -  total flux cleaned = 0.0020208 Jy
! Component: 200  -  total flux cleaned = 0.0039572 Jy
! Total flux subtracted in 200 components = 0.0039572 Jy
! Clean residual min=-0.003894 max=0.003906 Jy/beam
! Clean residual mean=0.000009 rms=0.001404 Jy/beam
! Combined flux in latest and established models = 0.0380884 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 162 components and 0.0380883 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.254421Jy  sigma=0.001944
! Fit after  self-cal, rms=0.253984Jy  sigma=0.001939
! 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: 0.9049 x 6.304 at 23.41 degrees (North through East)
! Clean map  min=-0.014612  max=0.025748 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=2.826 mas, bmaj=12 mas, bpa=13.34 degrees
! Estimated noise=2118.59 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 = -0.0095239 Jy
! Component: 100  -  total flux cleaned = -0.0115662 Jy
! Component: 150  -  total flux cleaned = -0.0120247 Jy
! Component: 200  -  total flux cleaned = -0.0125467 Jy
! Total flux subtracted in 200 components = -0.0125467 Jy
! Clean residual min=-0.002032 max=0.002035 Jy/beam
! Clean residual mean=0.000003 rms=0.001019 Jy/beam
! Combined flux in latest and established models = 0.0255416 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 244 components and 0.0255416 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.253659Jy  sigma=0.001936
! Fit after  self-cal, rms=0.252857Jy  sigma=0.001931
! 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=0.6796 mas, bmaj=5.051 mas, bpa=24.14 degrees
! Estimated noise=3315.07 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00530212 Jy
! Component: 100  -  total flux cleaned = -0.00675197 Jy
! Component: 150  -  total flux cleaned = -0.0160366 Jy
! Component: 200  -  total flux cleaned = -0.0143548 Jy
! Total flux subtracted in 200 components = -0.0143548 Jy
! Clean residual min=-0.010249 max=0.010287 Jy/beam
! Clean residual mean=-0.000049 rms=0.003789 Jy/beam
! Combined flux in latest and established models = -0.0143548 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 48 model components to the UV plane model.
! The established model now contains 48 components and -0.0143548 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.9049 mas, bmaj=6.304 mas, bpa=23.41 degrees
! Estimated noise=1730.43 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 = 0.00696664 Jy
! Component: 100  -  total flux cleaned = 0.0115753 Jy
! Component: 150  -  total flux cleaned = 0.0150021 Jy
! Component: 200  -  total flux cleaned = 0.0185664 Jy
! Total flux subtracted in 200 components = 0.0185664 Jy
! Clean residual min=-0.003538 max=0.003552 Jy/beam
! Clean residual mean=-0.000014 rms=0.001387 Jy/beam
! Combined flux in latest and established models = 0.00421156 Jy
! Adding 48 model components to the UV plane model.
! The established model now contains 96 components and 0.00421156 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=2.826 mas, bmaj=12 mas, bpa=13.34 degrees
! Estimated noise=2118.59 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 = -0.00226622 Jy
! Component: 100  -  total flux cleaned = -0.0026287 Jy
! Component: 150  -  total flux cleaned = -0.00307874 Jy
! Component: 200  -  total flux cleaned = -0.00335422 Jy
! Total flux subtracted in 200 components = -0.00335422 Jy
! Clean residual min=-0.001690 max=0.001664 Jy/beam
! Clean residual mean=-0.000017 rms=0.000785 Jy/beam
! Combined flux in latest and established models = 0.000857337 Jy
! Adding 85 model components to the UV plane model.
! The established model now contains 181 components and 0.000857337 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.9049 mas, bmaj=6.304 mas, bpa=23.41 degrees
! Estimated noise=1730.43 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00184675 Jy
! Component: 100  -  total flux cleaned = 0.00296011 Jy
! Component: 150  -  total flux cleaned = 0.0050796 Jy
! Component: 200  -  total flux cleaned = 0.00632307 Jy
! Total flux subtracted in 200 components = 0.00632307 Jy
! Clean residual min=-0.002591 max=0.002553 Jy/beam
! Clean residual mean=-0.000000 rms=0.000919 Jy/beam
! Combined flux in latest and established models = 0.00718041 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 213 components and 0.00718041 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.251985Jy  sigma=0.001925
! Fit after  self-cal, rms=0.251438Jy  sigma=0.001921
wmodel J0326-3243_X_2002_01_31_yyk\_map.mod
! Writing 213 model components to file: J0326-3243_X_2002_01_31_yyk_map.mod
wobs J0326-3243_X_2002_01_31_yyk\_uvs.fits
! Applying 71 buffered edits.
! Writing UV FITS file: J0326-3243_X_2002_01_31_yyk_uvs.fits
wwins J0326-3243_X_2002_01_31_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0326-3243_X_2002_01_31_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9049 x 6.304 at 23.41 degrees (North through East)
! Clean map  min=-0.018479  max=0.023177 Jy/beam
! Writing clean map to FITS file: J0326-3243_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 0.0231771 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00144762 
device "J0326-3243_X_2002_01_31_yyk\_map.eps/VPS"
! Attempting to open device: 'J0326-3243_X_2002_01_31_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -18.7378 18.7378 37.4755 74.951
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0043 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.023 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9049 x 6.304 at 23.41 degrees (North through East)
! Clean map  min=-0.018479  max=0.023177 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0326-3243_X_2002_01_31_yyk\_map.gif/gif"
! Attempting to open device: 'J0326-3243_X_2002_01_31_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0326-3243_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:47:13 2007