! Started logfile: J1542-0927_S_1997_05_07_yyk_uvs.log on Sun Jan  7 18:47:41 2007
obs J1542-0927_S_1997_05_07_yyk_uva.fits
! Reading UV FITS file: J1542-0927_S_1997_05_07_yyk_uva.fits
! AN table 1: 129 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.256158 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1542-0927
! 
! 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  2.22447e+09        8e+06          1        8e+06
!  02        2  2.23447e+09        8e+06          1        8e+06
!  03        3  2.29447e+09        8e+06          1        8e+06
!  04        4  2.32447e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 615 lines of history.
! 
! Reading 5948 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 J1542-0927_S_1997_05_07_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 0.500x0.500 milli-arcsec cellsize.
phase_soltime=phase_soltime1
print "uvstat(rms)=",uvstat(rms),"Jy"
! uvstat(rms)= 1.13816 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=3.301 mas, bmaj=24.34 mas, bpa=23.56 degrees
! Estimated noise=6550.63 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 = 0.0697024 Jy
! Component: 100  -  total flux cleaned = 0.109286 Jy
! Total flux subtracted in 100 components = 0.109286 Jy
! Clean residual min=-0.023745 max=0.023942 Jy/beam
! Clean residual mean=0.003156 rms=0.009968 Jy/beam
! Combined flux in latest and established models = 0.109286 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 29 components and 0.109286 Jy
! 
! Correcting IF 1.
!  A total of 685 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 694 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 626 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 660 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.131123Jy  sigma=0.001993
! Fit after  self-cal, rms=1.130061Jy  sigma=0.001983
! Inverting map and beam 
! Estimated beam: bmin=3.301 mas, bmaj=24.34 mas, bpa=23.56 degrees
! Estimated noise=6550.62 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=5.657 mas, bmaj=38.81 mas, bpa=22.48 degrees
! Estimated noise=2180.95 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 = 0.0732113 Jy
! Component: 100  -  total flux cleaned = 0.109158 Jy
! Component: 150  -  total flux cleaned = 0.128199 Jy
! Component: 200  -  total flux cleaned = 0.147184 Jy
! Total flux subtracted in 200 components = 0.147184 Jy
! Clean residual min=-0.013380 max=0.013613 Jy/beam
! Clean residual mean=0.005225 rms=0.006732 Jy/beam
! Combined flux in latest and established models = 0.25647 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 118 model components to the UV plane model.
! The established model now contains 147 components and 0.25647 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.122712Jy  sigma=0.001933
! Fit after  self-cal, rms=1.122641Jy  sigma=0.001932
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 5.657 x 38.81 at 22.48 degrees (North through East)
! Clean map  min=-0.021955  max=0.044943 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 96 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 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        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 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        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 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        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=1.122641Jy  sigma=0.001932
! Fit after  self-cal, rms=1.163774Jy  sigma=0.001968
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=1.163774Jy  sigma=0.001968
! Fit after  self-cal, rms=1.163760Jy  sigma=0.001968
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=6.453 mas, bmaj=37.63 mas, bpa=23.22 degrees
! Estimated noise=2300.79 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=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.014312 Jy
! Component: 100  -  total flux cleaned = 0.0315125 Jy
! Component: 150  -  total flux cleaned = 0.0506452 Jy
! Component: 200  -  total flux cleaned = 0.068311 Jy
! Total flux subtracted in 200 components = 0.068311 Jy
! Clean residual min=-0.008414 max=0.008609 Jy/beam
! Clean residual mean=0.003527 rms=0.003777 Jy/beam
! Combined flux in latest and established models = 0.324781 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 71 model components to the UV plane model.
! The established model now contains 210 components and 0.324781 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.161155Jy  sigma=0.001956
! Fit after  self-cal, rms=1.161123Jy  sigma=0.001956
! 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=1.161123Jy  sigma=0.001956
! Fit after  self-cal, rms=1.159894Jy  sigma=0.001952
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 = 0.0182684 Jy
! Component: 100  -  total flux cleaned = 0.0344671 Jy
! Component: 150  -  total flux cleaned = 0.0493631 Jy
! Component: 200  -  total flux cleaned = 0.0626853 Jy
! Total flux subtracted in 200 components = 0.0626853 Jy
! Clean residual min=-0.005889 max=0.006353 Jy/beam
! Clean residual mean=0.002234 rms=0.002376 Jy/beam
! Combined flux in latest and established models = 0.387467 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 59 model components to the UV plane model.
! The established model now contains 266 components and 0.387466 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.158112Jy  sigma=0.001946
! Fit after  self-cal, rms=1.157786Jy  sigma=0.001945
! 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: 6.453 x 37.63 at 23.22 degrees (North through East)
! Clean map  min=-0.016607  max=0.042115 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 = 20 mega-wavelengths.
win_mult = win_mult * 1.4
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=13.04 mas, bmaj=43.06 mas, bpa=23.93 degrees
! Estimated noise=2408.67 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 = 0.0116639 Jy
! Component: 100  -  total flux cleaned = 0.0201889 Jy
! Component: 150  -  total flux cleaned = 0.027952 Jy
! Component: 200  -  total flux cleaned = 0.0351297 Jy
! Total flux subtracted in 200 components = 0.0351297 Jy
! Clean residual min=-0.003231 max=0.003369 Jy/beam
! Clean residual mean=0.001741 rms=0.001461 Jy/beam
! Combined flux in latest and established models = 0.422596 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 89 model components to the UV plane model.
! The established model now contains 354 components and 0.422596 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.157273Jy  sigma=0.001943
! Fit after  self-cal, rms=1.157148Jy  sigma=0.001943
! 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=3.31 mas, bmaj=24.32 mas, bpa=23.59 degrees
! Estimated noise=6731.16 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.096173 Jy
! Component: 100  -  total flux cleaned = 0.14551 Jy
! Component: 150  -  total flux cleaned = 0.173399 Jy
! Component: 200  -  total flux cleaned = 0.196763 Jy
! Total flux subtracted in 200 components = 0.196763 Jy
! Clean residual min=-0.020948 max=0.020994 Jy/beam
! Clean residual mean=0.002378 rms=0.009164 Jy/beam
! Combined flux in latest and established models = 0.196763 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 64 model components to the UV plane model.
! The established model now contains 64 components and 0.196763 Jy
! Inverting map and beam 
! Estimated beam: bmin=6.453 mas, bmaj=37.63 mas, bpa=23.22 degrees
! Estimated noise=2300.79 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 = 0.0350923 Jy
! Component: 100  -  total flux cleaned = 0.0439101 Jy
! Component: 150  -  total flux cleaned = 0.0543071 Jy
! Component: 200  -  total flux cleaned = 0.0697994 Jy
! Total flux subtracted in 200 components = 0.0697994 Jy
! Clean residual min=-0.011297 max=0.011267 Jy/beam
! Clean residual mean=0.004540 rms=0.005442 Jy/beam
! Combined flux in latest and established models = 0.266563 Jy
! Adding 98 model components to the UV plane model.
! The established model now contains 159 components and 0.266563 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=13.04 mas, bmaj=43.06 mas, bpa=23.93 degrees
! Estimated noise=2408.67 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 = 0.0170186 Jy
! Component: 100  -  total flux cleaned = 0.0339132 Jy
! Component: 150  -  total flux cleaned = 0.0486059 Jy
! Component: 200  -  total flux cleaned = 0.0614872 Jy
! Total flux subtracted in 200 components = 0.0614872 Jy
! Clean residual min=-0.006180 max=0.006316 Jy/beam
! Clean residual mean=0.003548 rms=0.002984 Jy/beam
! Combined flux in latest and established models = 0.32805 Jy
! Adding 102 model components to the UV plane model.
! The established model now contains 259 components and 0.32805 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=6.453 mas, bmaj=37.63 mas, bpa=23.22 degrees
! Estimated noise=2300.79 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0115779 Jy
! Component: 100  -  total flux cleaned = 0.0245543 Jy
! Component: 150  -  total flux cleaned = 0.0362548 Jy
! Component: 200  -  total flux cleaned = 0.0468728 Jy
! Total flux subtracted in 200 components = 0.0468728 Jy
! Clean residual min=-0.004875 max=0.005074 Jy/beam
! Clean residual mean=0.001870 rms=0.001786 Jy/beam
! Combined flux in latest and established models = 0.374923 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 306 components and 0.374923 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.156820Jy  sigma=0.001942
! Fit after  self-cal, rms=1.156449Jy  sigma=0.001941
wmodel J1542-0927_S_1997_05_07_yyk\_map.mod
! Writing 306 model components to file: J1542-0927_S_1997_05_07_yyk_map.mod
wobs J1542-0927_S_1997_05_07_yyk\_uvs.fits
! Writing UV FITS file: J1542-0927_S_1997_05_07_yyk_uvs.fits
wwins J1542-0927_S_1997_05_07_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1542-0927_S_1997_05_07_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.453 x 37.63 at 23.22 degrees (North through East)
! Clean map  min=-0.014415  max=0.043991 Jy/beam
! Writing clean map to FITS file: J1542-0927_S_1997_05_07_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0439908 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00221095 
device "J1542-0927_S_1997_05_07_yyk\_map.eps/VPS"
! Attempting to open device: 'J1542-0927_S_1997_05_07_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -15.0778 15.0778 30.1556 60.3112
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0066 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.043 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.453 x 37.63 at 23.22 degrees (North through East)
! Clean map  min=-0.014415  max=0.043991 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1542-0927_S_1997_05_07_yyk\_map.gif/gif"
! Attempting to open device: 'J1542-0927_S_1997_05_07_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1542-0927_S_1997_05_07_yyk_uvs.log closed on Sun Jan  7 18:47:47 2007