! Started logfile: J0525+8737_S_2006_02_16_yyk_uvs.log on Wed Jul  5 11:27:31 2006
obs J0525+8737_S_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J0525+8737_S_2006_02_16_yyk_uva.fits
! AN table 1: 865 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.132691 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0525+8737
! 
! 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 2421 lines of history.
! 
! Reading 20660 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 J0525+8737_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)= 0.109894 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=19.79 mas, bmaj=50.75 mas, bpa=6.204 degrees
! Estimated noise=2.84243 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 = 0.0764071 Jy
! Component: 100  -  total flux cleaned = 0.094461 Jy
! Total flux subtracted in 100 components = 0.094461 Jy
! Clean residual min=-0.006327 max=0.006323 Jy/beam
! Clean residual mean=0.000470 rms=0.003183 Jy/beam
! Combined flux in latest and established models = 0.094461 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 51 components and 0.094461 Jy
! 
! Correcting IF 1.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.062972Jy  sigma=1.051184
! Fit after  self-cal, rms=0.062609Jy  sigma=1.043307
! Inverting map and beam 
! Estimated beam: bmin=19.79 mas, bmaj=50.75 mas, bpa=6.204 degrees
! Estimated noise=2.84243 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=22.05 mas, bmaj=48.09 mas, bpa=6.918 degrees
! Estimated noise=1.96466 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 = -0.00626198 Jy
! Component: 100  -  total flux cleaned = -0.012238 Jy
! Component: 150  -  total flux cleaned = -0.0167322 Jy
! Component: 200  -  total flux cleaned = -0.018724 Jy
! Total flux subtracted in 200 components = -0.018724 Jy
! Clean residual min=-0.002092 max=0.002122 Jy/beam
! Clean residual mean=0.000025 rms=0.001093 Jy/beam
! Combined flux in latest and established models = 0.075737 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 101 model components to the UV plane model.
! The established model now contains 152 components and 0.0757371 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.061085Jy  sigma=1.015375
! Fit after  self-cal, rms=0.061012Jy  sigma=1.013938
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 22.05 x 48.09 at 6.918 degrees (North through East)
! Clean map  min=-0.0087435  max=0.071626 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: 0.995624
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.91     HN        1.00*    KP        1.04     
!   LA        1.15     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        0.94     SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 0.99471
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     HN        1.00*    KP        0.99     
!   LA        1.13     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        0.95     SC        1.00*    
! 
! 
! Correcting IF 3.
!  Amplitude normalization factor in sub-array 1: 0.999548
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.07     HN        1.00*    KP        0.98     
!   LA        0.96     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        1.00     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=0.061012Jy  sigma=1.013938
! Fit after  self-cal, rms=0.061075Jy  sigma=1.007038
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=0.061075Jy  sigma=1.007038
! Fit after  self-cal, rms=0.061026Jy  sigma=1.006232
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=21.92 mas, bmaj=48.93 mas, bpa=7.903 degrees
! Estimated noise=1.97206 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 = -0.0015227 Jy
! Component: 100  -  total flux cleaned = -0.00365889 Jy
! Component: 150  -  total flux cleaned = -0.00343485 Jy
! Component: 200  -  total flux cleaned = -0.00407762 Jy
! Total flux subtracted in 200 components = -0.00407762 Jy
! Clean residual min=-0.001789 max=0.001715 Jy/beam
! Clean residual mean=-0.000047 rms=0.000702 Jy/beam
! Combined flux in latest and established models = 0.0716595 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 67 model components to the UV plane model.
! The established model now contains 219 components and 0.0716594 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.060575Jy  sigma=1.002686
! Fit after  self-cal, rms=0.060523Jy  sigma=1.002046
! 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=0.060523Jy  sigma=1.002046
! Fit after  self-cal, rms=0.055291Jy  sigma=0.895912
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 = 0.0022943 Jy
! Component: 100  -  total flux cleaned = 0.00134905 Jy
! Component: 150  -  total flux cleaned = 0.000759326 Jy
! Component: 200  -  total flux cleaned = 0.000692107 Jy
! Total flux subtracted in 200 components = 0.000692107 Jy
! Clean residual min=-0.000877 max=0.000866 Jy/beam
! Clean residual mean=0.000011 rms=0.000331 Jy/beam
! Combined flux in latest and established models = 0.0723515 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 275 components and 0.0723515 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.054631Jy  sigma=0.889624
! Fit after  self-cal, rms=0.054465Jy  sigma=0.883777
! 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: 21.92 x 48.93 at 7.903 degrees (North through East)
! Clean map  min=-0.0082971  max=0.074478 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=22.2 mas, bmaj=48.84 mas, bpa=7.854 degrees
! Estimated noise=1.97283 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 = -0.00087351 Jy
! Component: 100  -  total flux cleaned = -0.000919299 Jy
! Component: 150  -  total flux cleaned = -0.000919449 Jy
! Component: 200  -  total flux cleaned = -0.000917821 Jy
! Total flux subtracted in 200 components = -0.000917821 Jy
! Clean residual min=-0.000638 max=0.000652 Jy/beam
! Clean residual mean=-0.000006 rms=0.000270 Jy/beam
! Combined flux in latest and established models = 0.0714337 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 47 model components to the UV plane model.
! The established model now contains 322 components and 0.0714337 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.054365Jy  sigma=0.882755
! Fit after  self-cal, rms=0.054376Jy  sigma=0.882268
! 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=19.74 mas, bmaj=51.1 mas, bpa=6.262 degrees
! Estimated noise=2.82187 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0785519 Jy
! Component: 100  -  total flux cleaned = 0.0945529 Jy
! Component: 150  -  total flux cleaned = 0.0931541 Jy
! Component: 200  -  total flux cleaned = 0.0935752 Jy
! Total flux subtracted in 200 components = 0.0935752 Jy
! Clean residual min=-0.005852 max=0.005438 Jy/beam
! Clean residual mean=0.000210 rms=0.002325 Jy/beam
! Combined flux in latest and established models = 0.0935752 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 89 model components to the UV plane model.
! The established model now contains 89 components and 0.0935752 Jy
! Inverting map and beam 
! Estimated beam: bmin=21.92 mas, bmaj=48.93 mas, bpa=7.903 degrees
! Estimated noise=1.97206 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 = 0.00430783 Jy
! Component: 100  -  total flux cleaned = 0.00486938 Jy
! Component: 150  -  total flux cleaned = 0.00514479 Jy
! Component: 200  -  total flux cleaned = 0.00514582 Jy
! Total flux subtracted in 200 components = 0.00514582 Jy
! Clean residual min=-0.004110 max=0.004129 Jy/beam
! Clean residual mean=0.000254 rms=0.001618 Jy/beam
! Combined flux in latest and established models = 0.098721 Jy
! Adding 67 model components to the UV plane model.
! The established model now contains 152 components and 0.098721 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=22.2 mas, bmaj=48.84 mas, bpa=7.854 degrees
! Estimated noise=1.97283 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 = -0.00294625 Jy
! Component: 100  -  total flux cleaned = -0.0043101 Jy
! Component: 150  -  total flux cleaned = -0.00450971 Jy
! Component: 200  -  total flux cleaned = -0.00413412 Jy
! Total flux subtracted in 200 components = -0.00413412 Jy
! Clean residual min=-0.001182 max=0.001154 Jy/beam
! Clean residual mean=0.000019 rms=0.000553 Jy/beam
! Combined flux in latest and established models = 0.0945869 Jy
! Adding 103 model components to the UV plane model.
! The established model now contains 254 components and 0.0945869 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=21.92 mas, bmaj=48.93 mas, bpa=7.903 degrees
! Estimated noise=1.97206 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000873202 Jy
! Component: 100  -  total flux cleaned = -0.00194307 Jy
! Component: 150  -  total flux cleaned = -0.00250813 Jy
! Component: 200  -  total flux cleaned = -0.00250266 Jy
! Total flux subtracted in 200 components = -0.00250266 Jy
! Clean residual min=-0.000572 max=0.000576 Jy/beam
! Clean residual mean=0.000008 rms=0.000266 Jy/beam
! Combined flux in latest and established models = 0.0920842 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 87 model components to the UV plane model.
! The established model now contains 336 components and 0.0920842 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.054455Jy  sigma=0.883136
! Fit after  self-cal, rms=0.054500Jy  sigma=0.882961
wmodel J0525+8737_S_2006_02_16_yyk\_map.mod
! Writing 336 model components to file: J0525+8737_S_2006_02_16_yyk_map.mod
wobs J0525+8737_S_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J0525+8737_S_2006_02_16_yyk_uvs.fits
wwins J0525+8737_S_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0525+8737_S_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 21.92 x 48.93 at 7.903 degrees (North through East)
! Clean map  min=-0.0077238  max=0.076106 Jy/beam
! Writing clean map to FITS file: J0525+8737_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 0.0761059 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00024746 
device "J0525+8737_S_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J0525+8737_S_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.975456 0.975456 1.95091 3.90183 7.80365 15.6073 31.2146 62.4292
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0007 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.076 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 21.92 x 48.93 at 7.903 degrees (North through East)
! Clean map  min=-0.0077238  max=0.076106 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0525+8737_S_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J0525+8737_S_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0525+8737_S_2006_02_16_yyk_uvs.log closed on Wed Jul  5 11:27:59 2006