! Started logfile: J0416-3339_X_2002_01_31_yyk_uvs.log on Wed Jun 27 10:47:45 2007
obs J0416-3339_X_2002_01_31_yyk_uva.fits
! Reading UV FITS file: J0416-3339_X_2002_01_31_yyk_uva.fits
! AN table 1: 71 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.174335 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0416-3339
! 
! 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 2228 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 J0416-3339_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)= 0.509438 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=0.7088 mas, bmaj=4.341 mas, bpa=-21.1 degrees
! Estimated noise=2954.73 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 = 0.0468418 Jy
! Component: 100  -  total flux cleaned = 0.0475875 Jy
! Total flux subtracted in 100 components = 0.0475875 Jy
! Clean residual min=-0.019469 max=0.019628 Jy/beam
! Clean residual mean=0.000206 rms=0.008027 Jy/beam
! Combined flux in latest and established models = 0.0475875 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 37 model components to the UV plane model.
! The established model now contains 37 components and 0.0475875 Jy
! 
! Correcting IF 1.
!  A total of 406 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 406 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 406 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 406 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.501646Jy  sigma=0.003998
! Fit after  self-cal, rms=0.502336Jy  sigma=0.004002
! Inverting map and beam 
! Estimated beam: bmin=0.7089 mas, bmaj=4.341 mas, bpa=-21.1 degrees
! Estimated noise=2957.1 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=0.9064 mas, bmaj=5.48 mas, bpa=-18.81 degrees
! Estimated noise=1689.82 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 = 0.0305195 Jy
! Component: 100  -  total flux cleaned = 0.0391417 Jy
! Component: 150  -  total flux cleaned = 0.0379662 Jy
! Component: 200  -  total flux cleaned = 0.0379614 Jy
! Total flux subtracted in 200 components = 0.0379614 Jy
! Clean residual min=-0.006550 max=0.006638 Jy/beam
! Clean residual mean=0.000251 rms=0.002597 Jy/beam
! Combined flux in latest and established models = 0.0855488 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 69 model components to the UV plane model.
! The established model now contains 105 components and 0.0855488 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.500372Jy  sigma=0.003982
! Fit after  self-cal, rms=0.500407Jy  sigma=0.003981
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9064 x 5.48 at -18.81 degrees (North through East)
! Clean map  min=-0.015285  max=0.037678 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 54 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 54 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 54 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 54 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=0.500407Jy  sigma=0.003981
! Fit after  self-cal, rms=0.519180Jy  sigma=0.004130
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=0.519180Jy  sigma=0.004130
! Fit after  self-cal, rms=0.519123Jy  sigma=0.004130
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9252 mas, bmaj=5.993 mas, bpa=-17.18 degrees
! Estimated noise=1766.77 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 = 0.00530956 Jy
! Component: 100  -  total flux cleaned = 0.00526385 Jy
! Component: 150  -  total flux cleaned = 0.006043 Jy
! Component: 200  -  total flux cleaned = 0.00603906 Jy
! Total flux subtracted in 200 components = 0.00603906 Jy
! Clean residual min=-0.004966 max=0.004881 Jy/beam
! Clean residual mean=0.000132 rms=0.001963 Jy/beam
! Combined flux in latest and established models = 0.0915879 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 49 model components to the UV plane model.
! The established model now contains 148 components and 0.0915879 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.518555Jy  sigma=0.004125
! Fit after  self-cal, rms=0.518496Jy  sigma=0.004125
! 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=0.518496Jy  sigma=0.004125
! Fit after  self-cal, rms=0.515352Jy  sigma=0.004099
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 = 0.00477095 Jy
! Component: 100  -  total flux cleaned = 0.00555382 Jy
! Component: 150  -  total flux cleaned = 0.00474362 Jy
! Component: 200  -  total flux cleaned = 0.00553965 Jy
! Total flux subtracted in 200 components = 0.00553965 Jy
! Clean residual min=-0.010108 max=0.010176 Jy/beam
! Clean residual mean=-0.000002 rms=0.005170 Jy/beam
! Combined flux in latest and established models = 0.0971275 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 65 model components to the UV plane model.
! The established model now contains 211 components and 0.0971275 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.513322Jy  sigma=0.004083
! Fit after  self-cal, rms=0.512886Jy  sigma=0.004079
! 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: 0.9252 x 5.993 at -17.18 degrees (North through East)
! Clean map  min=-0.018568  max=0.040316 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=4.929 mas, bmaj=12.69 mas, bpa=-3.846 degrees
! Estimated noise=2144.08 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 = -0.00135888 Jy
! Component: 100  -  total flux cleaned = -0.00109809 Jy
! Component: 150  -  total flux cleaned = -0.00137032 Jy
! Component: 200  -  total flux cleaned = -0.000715782 Jy
! Total flux subtracted in 200 components = -0.000715782 Jy
! Clean residual min=-0.003930 max=0.004058 Jy/beam
! Clean residual mean=0.000100 rms=0.001293 Jy/beam
! Combined flux in latest and established models = 0.0964117 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 233 components and 0.0964118 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.512339Jy  sigma=0.004075
! Fit after  self-cal, rms=0.512192Jy  sigma=0.004074
! 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=0.7088 mas, bmaj=4.351 mas, bpa=-21.08 degrees
! Estimated noise=3503.45 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.044144 Jy
! Component: 100  -  total flux cleaned = 0.0417163 Jy
! Component: 150  -  total flux cleaned = 0.0420061 Jy
! Component: 200  -  total flux cleaned = 0.0392578 Jy
! Total flux subtracted in 200 components = 0.0392578 Jy
! Clean residual min=-0.033935 max=0.033816 Jy/beam
! Clean residual mean=-0.000034 rms=0.015741 Jy/beam
! Combined flux in latest and established models = 0.0392579 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 62 model components to the UV plane model.
! The established model now contains 62 components and 0.0392579 Jy
! Inverting map and beam 
! Estimated beam: bmin=0.9252 mas, bmaj=5.993 mas, bpa=-17.18 degrees
! Estimated noise=1766.77 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 = 0.0169354 Jy
! Component: 100  -  total flux cleaned = 0.0227192 Jy
! Component: 150  -  total flux cleaned = 0.0195211 Jy
! Component: 200  -  total flux cleaned = 0.0184743 Jy
! Total flux subtracted in 200 components = 0.0184743 Jy
! Clean residual min=-0.013791 max=0.013648 Jy/beam
! Clean residual mean=-0.000257 rms=0.004754 Jy/beam
! Combined flux in latest and established models = 0.0577322 Jy
! Adding 28 model components to the UV plane model.
! The established model now contains 89 components and 0.0577322 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=4.929 mas, bmaj=12.69 mas, bpa=-3.846 degrees
! Estimated noise=2144.08 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 = -0.00434341 Jy
! Component: 100  -  total flux cleaned = -0.00708462 Jy
! Component: 150  -  total flux cleaned = -0.00631202 Jy
! Component: 200  -  total flux cleaned = -0.0063234 Jy
! Total flux subtracted in 200 components = -0.0063234 Jy
! Clean residual min=-0.005157 max=0.005258 Jy/beam
! Clean residual mean=0.000027 rms=0.002153 Jy/beam
! Combined flux in latest and established models = 0.0514088 Jy
! Adding 58 model components to the UV plane model.
! The established model now contains 143 components and 0.0514088 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=0.9252 mas, bmaj=5.993 mas, bpa=-17.18 degrees
! Estimated noise=1766.77 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00243962 Jy
! Component: 100  -  total flux cleaned = -0.00145163 Jy
! Component: 150  -  total flux cleaned = 0.000792785 Jy
! Component: 200  -  total flux cleaned = 0.00348417 Jy
! Total flux subtracted in 200 components = 0.00348417 Jy
! Clean residual min=-0.006607 max=0.006666 Jy/beam
! Clean residual mean=-0.000041 rms=0.002891 Jy/beam
! Combined flux in latest and established models = 0.0548929 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 43 model components to the UV plane model.
! The established model now contains 186 components and 0.0548929 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.508569Jy  sigma=0.004046
! Fit after  self-cal, rms=0.508395Jy  sigma=0.004044
wmodel J0416-3339_X_2002_01_31_yyk\_map.mod
! Writing 186 model components to file: J0416-3339_X_2002_01_31_yyk_map.mod
wobs J0416-3339_X_2002_01_31_yyk\_uvs.fits
! Applying 71 buffered edits.
! Writing UV FITS file: J0416-3339_X_2002_01_31_yyk_uvs.fits
wwins J0416-3339_X_2002_01_31_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0416-3339_X_2002_01_31_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9252 x 5.993 at -17.18 degrees (North through East)
! Clean map  min=-0.030021  max=0.046109 Jy/beam
! Writing clean map to FITS file: J0416-3339_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 0.0461095 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00291861 
device "J0416-3339_X_2002_01_31_yyk\_map.eps/VPS"
! Attempting to open device: 'J0416-3339_X_2002_01_31_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -18.9893 18.9893 37.9785 75.957
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0087 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.046 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9252 x 5.993 at -17.18 degrees (North through East)
! Clean map  min=-0.030021  max=0.046109 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0416-3339_X_2002_01_31_yyk\_map.gif/gif"
! Attempting to open device: 'J0416-3339_X_2002_01_31_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0416-3339_X_2002_01_31_yyk_uvs.log closed on Wed Jun 27 10:47:49 2007