! Started logfile: J1901+8623_S_2006_02_16_yyk_uvs.log on Wed Jul  5 13:34:37 2006
obs J1901+8623_S_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J1901+8623_S_2006_02_16_yyk_uva.fits
! AN table 1: 871 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.360429 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1901+8623
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 2427 lines of history.
! 
! Reading 56508 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 J1901+8623_S_2006_02_16_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.
uvav time_av, true
! Averaging into 30 second bins.
! 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
phase_soltime=phase_soltime1
print "uvstat(rms)=",uvstat(rms),"Jy"
! uvstat(rms)= 0.174204 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=7.086 mas, bmaj=12.17 mas, bpa=-12.31 degrees
! Estimated noise=1.29147 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 = 0.0831282 Jy
! Component: 100  -  total flux cleaned = 0.123106 Jy
! Total flux subtracted in 100 components = 0.123106 Jy
! Clean residual min=-0.014244 max=0.014427 Jy/beam
! Clean residual mean=0.000167 rms=0.005052 Jy/beam
! Combined flux in latest and established models = 0.123106 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 0.123106 Jy
! 
! Correcting IF 1.
!  A total of 57 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 57 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 64 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 64 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.089586Jy  sigma=1.616870
! Fit after  self-cal, rms=0.089603Jy  sigma=1.605029
! Inverting map and beam 
! Estimated beam: bmin=7.086 mas, bmaj=12.17 mas, bpa=-12.31 degrees
! Estimated noise=1.29147 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=6.87 mas, bmaj=13.35 mas, bpa=-7.488 degrees
! Estimated noise=0.755046 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 = 0.0197111 Jy
! Component: 100  -  total flux cleaned = 0.0315853 Jy
! Component: 150  -  total flux cleaned = 0.0404027 Jy
! Component: 200  -  total flux cleaned = 0.0458347 Jy
! Total flux subtracted in 200 components = 0.0458347 Jy
! Clean residual min=-0.004535 max=0.004607 Jy/beam
! Clean residual mean=-0.000017 rms=0.001811 Jy/beam
! Combined flux in latest and established models = 0.16894 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 76 model components to the UV plane model.
! The established model now contains 100 components and 0.16894 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.071576Jy  sigma=1.177055
! Fit after  self-cal, rms=0.071562Jy  sigma=1.176481
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.87 x 13.35 at -7.488 degrees (North through East)
! Clean map  min=-0.014233  max=0.084275 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.
!  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.
!  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.
!  Amplitude normalization factor in sub-array 1: 1.02334
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.90     HN        1.00*    KP        0.95     
!   LA        0.86     MK        1.00*    NL        1.00*    OV        0.93     
!   PT        1.08     SC        1.00*    
! 
! 
! Correcting IF 4.
!  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=0.071562Jy  sigma=1.176481
! Fit after  self-cal, rms=0.070364Jy  sigma=1.164813
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=0.070364Jy  sigma=1.164813
! Fit after  self-cal, rms=0.070366Jy  sigma=1.164698
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=6.88 mas, bmaj=13.44 mas, bpa=-7.468 degrees
! Estimated noise=0.75286 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 = 0.00308459 Jy
! Component: 100  -  total flux cleaned = 0.00577197 Jy
! Component: 150  -  total flux cleaned = 0.00882619 Jy
! Component: 200  -  total flux cleaned = 0.0123132 Jy
! Total flux subtracted in 200 components = 0.0123132 Jy
! Clean residual min=-0.002003 max=0.002044 Jy/beam
! Clean residual mean=-0.000020 rms=0.000843 Jy/beam
! Combined flux in latest and established models = 0.181254 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 76 model components to the UV plane model.
! The established model now contains 169 components and 0.181254 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068115Jy  sigma=1.114587
! Fit after  self-cal, rms=0.068101Jy  sigma=1.114459
! 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=0.068101Jy  sigma=1.114459
! Fit after  self-cal, rms=0.063665Jy  sigma=1.026209
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 = 0.0011577 Jy
! Component: 100  -  total flux cleaned = 0.00105309 Jy
! Component: 150  -  total flux cleaned = 0.00171243 Jy
! Component: 200  -  total flux cleaned = 0.00289437 Jy
! Total flux subtracted in 200 components = 0.00289437 Jy
! Clean residual min=-0.001195 max=0.001201 Jy/beam
! Clean residual mean=-0.000025 rms=0.000544 Jy/beam
! Combined flux in latest and established models = 0.184148 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 255 components and 0.184148 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.062665Jy  sigma=1.008416
! Fit after  self-cal, rms=0.062505Jy  sigma=1.004939
! 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: 6.88 x 13.44 at -7.468 degrees (North through East)
! Clean map  min=-0.012855  max=0.086586 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=7.746 mas, bmaj=13.89 mas, bpa=-9.981 degrees
! Estimated noise=0.779257 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 = -7.71276e-05 Jy
! Component: 100  -  total flux cleaned = 0.000748704 Jy
! Component: 150  -  total flux cleaned = 0.00198554 Jy
! Component: 200  -  total flux cleaned = 0.00289958 Jy
! Total flux subtracted in 200 components = 0.00289958 Jy
! Clean residual min=-0.000926 max=0.000925 Jy/beam
! Clean residual mean=-0.000035 rms=0.000427 Jy/beam
! Combined flux in latest and established models = 0.187048 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 98 model components to the UV plane model.
! The established model now contains 333 components and 0.187047 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.062175Jy  sigma=0.998005
! Fit after  self-cal, rms=0.062141Jy  sigma=0.997139
! 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=7.09 mas, bmaj=12.21 mas, bpa=-12.26 degrees
! Estimated noise=1.28783 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0842943 Jy
! Component: 100  -  total flux cleaned = 0.123285 Jy
! Component: 150  -  total flux cleaned = 0.138989 Jy
! Component: 200  -  total flux cleaned = 0.149895 Jy
! Total flux subtracted in 200 components = 0.149895 Jy
! Clean residual min=-0.007048 max=0.007003 Jy/beam
! Clean residual mean=0.000087 rms=0.002831 Jy/beam
! Combined flux in latest and established models = 0.149895 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 71 model components to the UV plane model.
! The established model now contains 71 components and 0.149895 Jy
! Inverting map and beam 
! Estimated beam: bmin=6.88 mas, bmaj=13.44 mas, bpa=-7.468 degrees
! Estimated noise=0.75286 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 = 0.00596312 Jy
! Component: 100  -  total flux cleaned = 0.00717928 Jy
! Component: 150  -  total flux cleaned = 0.0106665 Jy
! Component: 200  -  total flux cleaned = 0.0134461 Jy
! Total flux subtracted in 200 components = 0.0134461 Jy
! Clean residual min=-0.003088 max=0.003110 Jy/beam
! Clean residual mean=-0.000040 rms=0.001375 Jy/beam
! Combined flux in latest and established models = 0.163341 Jy
! Adding 100 model components to the UV plane model.
! The established model now contains 168 components and 0.163341 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=7.746 mas, bmaj=13.89 mas, bpa=-9.981 degrees
! Estimated noise=0.779257 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 = 0.00383225 Jy
! Component: 100  -  total flux cleaned = 0.00624118 Jy
! Component: 150  -  total flux cleaned = 0.00839763 Jy
! Component: 200  -  total flux cleaned = 0.0105306 Jy
! Total flux subtracted in 200 components = 0.0105306 Jy
! Clean residual min=-0.001781 max=0.001793 Jy/beam
! Clean residual mean=-0.000026 rms=0.000835 Jy/beam
! Combined flux in latest and established models = 0.173872 Jy
! Adding 97 model components to the UV plane model.
! The established model now contains 259 components and 0.173872 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=6.88 mas, bmaj=13.44 mas, bpa=-7.468 degrees
! Estimated noise=0.75286 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000150442 Jy
! Component: 100  -  total flux cleaned = 3.61109e-05 Jy
! Component: 150  -  total flux cleaned = 0.000296286 Jy
! Component: 200  -  total flux cleaned = 1.9062e-05 Jy
! Total flux subtracted in 200 components = 1.9062e-05 Jy
! Clean residual min=-0.001172 max=0.001138 Jy/beam
! Clean residual mean=-0.000028 rms=0.000485 Jy/beam
! Combined flux in latest and established models = 0.173891 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 63 model components to the UV plane model.
! The established model now contains 312 components and 0.173891 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.062463Jy  sigma=0.999818
! Fit after  self-cal, rms=0.062435Jy  sigma=0.998865
wmodel J1901+8623_S_2006_02_16_yyk\_map.mod
! Writing 312 model components to file: J1901+8623_S_2006_02_16_yyk_map.mod
wobs J1901+8623_S_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J1901+8623_S_2006_02_16_yyk_uvs.fits
wwins J1901+8623_S_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1901+8623_S_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.88 x 13.44 at -7.468 degrees (North through East)
! Clean map  min=-0.0089253  max=0.08555 Jy/beam
! Writing clean map to FITS file: J1901+8623_S_2006_02_16_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0855501 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000488358 
device "J1901+8623_S_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J1901+8623_S_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -1.71253 1.71253 3.42507 6.85013 13.7003 27.4005 54.8011
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0014 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.085 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 6.88 x 13.44 at -7.468 degrees (North through East)
! Clean map  min=-0.0089253  max=0.08555 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1901+8623_S_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J1901+8623_S_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1901+8623_S_2006_02_16_yyk_uvs.log closed on Wed Jul  5 13:35:08 2006