! Started logfile: J0616-3456_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:49:52 2007
obs J0616-3456_X_2002_01_31_yyk_uva.fits
! Reading UV FITS file: J0616-3456_X_2002_01_31_yyk_uva.fits
! AN table 1: 57 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.213255 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0616-3456
! 
! 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 2188 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 J0616-3456_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)= 0.18377 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=3.265 mas, bmaj=15.52 mas, bpa=9.769 degrees
! Estimated noise=2027.53 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 = 0.0257279 Jy
! Component: 100  -  total flux cleaned = 0.0291593 Jy
! Total flux subtracted in 100 components = 0.0291593 Jy
! Clean residual min=-0.006503 max=0.006487 Jy/beam
! Clean residual mean=0.000033 rms=0.003039 Jy/beam
! Combined flux in latest and established models = 0.0291592 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 46 model components to the UV plane model.
! The established model now contains 46 components and 0.0291592 Jy
! 
! Correcting IF 1.
!  A total of 291 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 291 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 291 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 309 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.179950Jy  sigma=0.001553
! Fit after  self-cal, rms=0.179519Jy  sigma=0.001548
! Inverting map and beam 
! Estimated beam: bmin=3.265 mas, bmaj=15.52 mas, bpa=9.769 degrees
! Estimated noise=2027.53 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=3.512 mas, bmaj=16.73 mas, bpa=11.15 degrees
! Estimated noise=1643.64 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=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00618597 Jy
! Component: 100  -  total flux cleaned = 0.00711595 Jy
! Component: 150  -  total flux cleaned = 0.00712806 Jy
! Component: 200  -  total flux cleaned = 0.00624383 Jy
! Total flux subtracted in 200 components = 0.00624383 Jy
! Clean residual min=-0.003494 max=0.003460 Jy/beam
! Clean residual mean=0.000084 rms=0.001506 Jy/beam
! Combined flux in latest and established models = 0.0354031 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 77 model components to the UV plane model.
! The established model now contains 122 components and 0.0354031 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.178409Jy  sigma=0.001537
! Fit after  self-cal, rms=0.178213Jy  sigma=0.001535
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.512 x 16.73 at 11.15 degrees (North through East)
! Clean map  min=-0.0074015  max=0.033299 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=0.178213Jy  sigma=0.001535
! Fit after  self-cal, rms=0.178405Jy  sigma=0.001536
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=0.178405Jy  sigma=0.001536
! Fit after  self-cal, rms=0.178405Jy  sigma=0.001536
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.503 mas, bmaj=16.73 mas, bpa=11.12 degrees
! Estimated noise=1648.78 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 = 0.00155452 Jy
! Component: 100  -  total flux cleaned = 0.00251671 Jy
! Component: 150  -  total flux cleaned = 0.00451086 Jy
! Component: 200  -  total flux cleaned = 0.00653103 Jy
! Total flux subtracted in 200 components = 0.00653103 Jy
! Clean residual min=-0.001695 max=0.001731 Jy/beam
! Clean residual mean=0.000127 rms=0.000823 Jy/beam
! Combined flux in latest and established models = 0.0419341 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 78 model components to the UV plane model.
! The established model now contains 197 components and 0.0419341 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.178087Jy  sigma=0.001533
! Fit after  self-cal, rms=0.178116Jy  sigma=0.001534
! 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=0.178116Jy  sigma=0.001534
! Fit after  self-cal, rms=0.176821Jy  sigma=0.001524
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 = 0.00658338 Jy
! Component: 100  -  total flux cleaned = 0.00811687 Jy
! Component: 150  -  total flux cleaned = 0.00876925 Jy
! Component: 200  -  total flux cleaned = 0.00804465 Jy
! Total flux subtracted in 200 components = 0.00804465 Jy
! Clean residual min=-0.002121 max=0.002102 Jy/beam
! Clean residual mean=0.000153 rms=0.001044 Jy/beam
! Combined flux in latest and established models = 0.0499787 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 77 model components to the UV plane model.
! The established model now contains 268 components and 0.0499787 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.176312Jy  sigma=0.001519
! Fit after  self-cal, rms=0.175613Jy  sigma=0.001513
! 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: 3.503 x 16.73 at 11.12 degrees (North through East)
! Clean map  min=-0.0079382  max=0.040845 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=3.727 mas, bmaj=16.88 mas, bpa=10.73 degrees
! Estimated noise=1658.09 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 = 0.00615024 Jy
! Component: 100  -  total flux cleaned = 0.00929659 Jy
! Component: 150  -  total flux cleaned = 0.0117912 Jy
! Component: 200  -  total flux cleaned = 0.0133438 Jy
! Total flux subtracted in 200 components = 0.0133438 Jy
! Clean residual min=-0.001819 max=0.001833 Jy/beam
! Clean residual mean=0.000157 rms=0.000904 Jy/beam
! Combined flux in latest and established models = 0.0633226 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 95 model components to the UV plane model.
! The established model now contains 360 components and 0.0633226 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.175238Jy  sigma=0.001510
! Fit after  self-cal, rms=0.174973Jy  sigma=0.001508
! 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=3.265 mas, bmaj=15.52 mas, bpa=9.77 degrees
! Estimated noise=2028.85 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0371559 Jy
! Component: 100  -  total flux cleaned = 0.0416153 Jy
! Component: 150  -  total flux cleaned = 0.0463334 Jy
! Component: 200  -  total flux cleaned = 0.0480279 Jy
! Total flux subtracted in 200 components = 0.0480279 Jy
! Clean residual min=-0.004893 max=0.004947 Jy/beam
! Clean residual mean=0.000051 rms=0.002343 Jy/beam
! Combined flux in latest and established models = 0.0480279 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 66 model components to the UV plane model.
! The established model now contains 66 components and 0.0480279 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.503 mas, bmaj=16.73 mas, bpa=11.12 degrees
! Estimated noise=1648.78 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 = 0.0050898 Jy
! Component: 100  -  total flux cleaned = 0.00874254 Jy
! Component: 150  -  total flux cleaned = 0.0103367 Jy
! Component: 200  -  total flux cleaned = 0.0094897 Jy
! Total flux subtracted in 200 components = 0.0094897 Jy
! Clean residual min=-0.002062 max=0.002044 Jy/beam
! Clean residual mean=0.000099 rms=0.000967 Jy/beam
! Combined flux in latest and established models = 0.0575176 Jy
! Adding 82 model components to the UV plane model.
! The established model now contains 147 components and 0.0575176 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=3.727 mas, bmaj=16.88 mas, bpa=10.73 degrees
! Estimated noise=1658.09 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 = 0.00153984 Jy
! Component: 100  -  total flux cleaned = 0.00101846 Jy
! Component: 150  -  total flux cleaned = -8.78867e-05 Jy
! Component: 200  -  total flux cleaned = -0.000781693 Jy
! Total flux subtracted in 200 components = -0.000781693 Jy
! Clean residual min=-0.001379 max=0.001399 Jy/beam
! Clean residual mean=0.000112 rms=0.000649 Jy/beam
! Combined flux in latest and established models = 0.0567359 Jy
! Adding 66 model components to the UV plane model.
! The established model now contains 202 components and 0.0567359 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.503 mas, bmaj=16.73 mas, bpa=11.12 degrees
! Estimated noise=1648.78 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000121506 Jy
! Component: 100  -  total flux cleaned = -0.000823794 Jy
! Component: 150  -  total flux cleaned = -0.00168378 Jy
! Component: 200  -  total flux cleaned = -0.00280027 Jy
! Total flux subtracted in 200 components = -0.00280027 Jy
! Clean residual min=-0.001139 max=0.001142 Jy/beam
! Clean residual mean=0.000106 rms=0.000548 Jy/beam
! Combined flux in latest and established models = 0.0539356 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 52 model components to the UV plane model.
! The established model now contains 245 components and 0.0539356 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.174778Jy  sigma=0.001506
! Fit after  self-cal, rms=0.174703Jy  sigma=0.001506
wmodel J0616-3456_X_2002_01_31_yyk\_map.mod
! Writing 245 model components to file: J0616-3456_X_2002_01_31_yyk_map.mod
wobs J0616-3456_X_2002_01_31_yyk\_uvs.fits
! Applying 57 buffered edits.
! Writing UV FITS file: J0616-3456_X_2002_01_31_yyk_uvs.fits
wwins J0616-3456_X_2002_01_31_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0616-3456_X_2002_01_31_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.503 x 16.73 at 11.12 degrees (North through East)
! Clean map  min=-0.0096713  max=0.04744 Jy/beam
! Writing clean map to FITS file: J0616-3456_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 0.0474397 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000773815 
device "J0616-3456_X_2002_01_31_yyk\_map.eps/VPS"
! Attempting to open device: 'J0616-3456_X_2002_01_31_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -4.89347 4.89347 9.78693 19.5739 39.1477 78.2955
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0023 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.047 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.503 x 16.73 at 11.12 degrees (North through East)
! Clean map  min=-0.0096713  max=0.04744 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0616-3456_X_2002_01_31_yyk\_map.gif/gif"
! Attempting to open device: 'J0616-3456_X_2002_01_31_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0616-3456_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:49:58 2007