! Started logfile: J2007+7942_S_2006_02_16_yyk_uvs.log on Wed Jul  5 13:41:26 2006
obs J2007+7942_S_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J2007+7942_S_2006_02_16_yyk_uva.fits
! AN table 1: 864 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.133308 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J2007+7942
! 
! 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 2424 lines of history.
! 
! Reading 20732 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 J2007+7942_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)= 0.0786848 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=19.26 mas, bmaj=42.34 mas, bpa=-2.458 degrees
! Estimated noise=2.52958 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 = 0.0471434 Jy
! Component: 100  -  total flux cleaned = 0.0435116 Jy
! Total flux subtracted in 100 components = 0.0435116 Jy
! Clean residual min=-0.003901 max=0.003800 Jy/beam
! Clean residual mean=-0.000016 rms=0.001922 Jy/beam
! Combined flux in latest and established models = 0.0435116 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 41 model components to the UV plane model.
! The established model now contains 41 components and 0.0435116 Jy
! 
! Correcting IF 1.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 112 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 112 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.054548Jy  sigma=1.009359
! Fit after  self-cal, rms=0.053978Jy  sigma=1.000008
! Inverting map and beam 
! Estimated beam: bmin=19.26 mas, bmaj=42.34 mas, bpa=-2.458 degrees
! Estimated noise=2.52958 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=23.36 mas, bmaj=43.57 mas, bpa=-14.8 degrees
! Estimated noise=2.06041 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 = -0.00529927 Jy
! Component: 100  -  total flux cleaned = -0.00722412 Jy
! Component: 150  -  total flux cleaned = -0.0079092 Jy
! Component: 200  -  total flux cleaned = -0.00801632 Jy
! Total flux subtracted in 200 components = -0.00801632 Jy
! Clean residual min=-0.001438 max=0.001428 Jy/beam
! Clean residual mean=-0.000231 rms=0.000465 Jy/beam
! Combined flux in latest and established models = 0.0354953 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 49 model components to the UV plane model.
! The established model now contains 89 components and 0.0354953 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.053537Jy  sigma=0.993735
! Fit after  self-cal, rms=0.053486Jy  sigma=0.991659
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 23.36 x 43.57 at -14.8 degrees (North through East)
! Clean map  min=-0.0094905  max=0.045153 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.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KP        0.00*    
!   LA        0.00*    MK        0.00*    NL        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    
! 
! 
! Correcting IF 3.
!  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 48 telescope corrections were flagged in sub-array 1.
!  Amplitude normalization factor in sub-array 1: 1
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KP        0.00*    
!   LA        0.00*    MK        0.00*    NL        0.00*    OV        0.00*    
!   PT        0.00*    SC        0.00*    
! 
! 
! Fit before self-cal, rms=0.053486Jy  sigma=0.991659
! Fit after  self-cal, rms=0.050726Jy  sigma=1.011694
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=0.050726Jy  sigma=1.011694
! Fit after  self-cal, rms=0.050698Jy  sigma=1.010005
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=22.55 mas, bmaj=41.01 mas, bpa=-4.539 degrees
! Estimated noise=2.42899 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 = 0.00444127 Jy
! Component: 100  -  total flux cleaned = 0.00484117 Jy
! Component: 150  -  total flux cleaned = 0.00711595 Jy
! Component: 200  -  total flux cleaned = 0.00918581 Jy
! Total flux subtracted in 200 components = 0.00918581 Jy
! Clean residual min=-0.001606 max=0.001684 Jy/beam
! Clean residual mean=0.000091 rms=0.000598 Jy/beam
! Combined flux in latest and established models = 0.0446811 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 128 components and 0.0446811 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.050504Jy  sigma=0.999217
! Fit after  self-cal, rms=0.050528Jy  sigma=0.998086
! 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=0.050528Jy  sigma=0.998086
! Fit after  self-cal, rms=0.043112Jy  sigma=0.861154
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 = 0.00409623 Jy
! Component: 100  -  total flux cleaned = 0.00485527 Jy
! Component: 150  -  total flux cleaned = 0.00464727 Jy
! Component: 200  -  total flux cleaned = 0.00457212 Jy
! Total flux subtracted in 200 components = 0.00457212 Jy
! Clean residual min=-0.000899 max=0.000904 Jy/beam
! Clean residual mean=-0.000098 rms=0.000299 Jy/beam
! Combined flux in latest and established models = 0.0492532 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 57 model components to the UV plane model.
! The established model now contains 181 components and 0.0492532 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042434Jy  sigma=0.849904
! Fit after  self-cal, rms=0.041963Jy  sigma=0.842003
! 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: 22.55 x 41.01 at -4.539 degrees (North through East)
! Clean map  min=-0.0093357  max=0.048902 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=22.83 mas, bmaj=41.01 mas, bpa=-4.637 degrees
! Estimated noise=2.42989 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 = -0.000421606 Jy
! Component: 100  -  total flux cleaned = -0.000375347 Jy
! Component: 150  -  total flux cleaned = -0.000322311 Jy
! Component: 200  -  total flux cleaned = -0.000180275 Jy
! Total flux subtracted in 200 components = -0.000180275 Jy
! Clean residual min=-0.000644 max=0.000624 Jy/beam
! Clean residual mean=-0.000045 rms=0.000246 Jy/beam
! Combined flux in latest and established models = 0.0490729 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 86 model components to the UV plane model.
! The established model now contains 267 components and 0.0490729 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041881Jy  sigma=0.840273
! Fit after  self-cal, rms=0.041841Jy  sigma=0.839587
! 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=19.46 mas, bmaj=42.45 mas, bpa=-3.191 degrees
! Estimated noise=2.71016 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0513336 Jy
! Component: 100  -  total flux cleaned = 0.0450418 Jy
! Component: 150  -  total flux cleaned = 0.0444409 Jy
! Component: 200  -  total flux cleaned = 0.0437253 Jy
! Total flux subtracted in 200 components = 0.0437253 Jy
! Clean residual min=-0.005085 max=0.004870 Jy/beam
! Clean residual mean=-0.000158 rms=0.002161 Jy/beam
! Combined flux in latest and established models = 0.0437252 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 51 model components to the UV plane model.
! The established model now contains 51 components and 0.0437252 Jy
! Inverting map and beam 
! Estimated beam: bmin=22.55 mas, bmaj=41.01 mas, bpa=-4.539 degrees
! Estimated noise=2.42899 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 = -0.00504314 Jy
! Component: 100  -  total flux cleaned = -0.00585239 Jy
! Component: 150  -  total flux cleaned = -0.00615233 Jy
! Component: 200  -  total flux cleaned = -0.00692243 Jy
! Total flux subtracted in 200 components = -0.00692243 Jy
! Clean residual min=-0.002040 max=0.002025 Jy/beam
! Clean residual mean=0.000073 rms=0.001028 Jy/beam
! Combined flux in latest and established models = 0.0368028 Jy
! Adding 63 model components to the UV plane model.
! The established model now contains 113 components and 0.0368028 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=22.83 mas, bmaj=41.01 mas, bpa=-4.637 degrees
! Estimated noise=2.42989 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 = -0.00085854 Jy
! Component: 100  -  total flux cleaned = -0.00103878 Jy
! Component: 150  -  total flux cleaned = -0.00122672 Jy
! Component: 200  -  total flux cleaned = -0.00152819 Jy
! Total flux subtracted in 200 components = -0.00152819 Jy
! Clean residual min=-0.001308 max=0.001284 Jy/beam
! Clean residual mean=-0.000110 rms=0.000404 Jy/beam
! Combined flux in latest and established models = 0.0352746 Jy
! Adding 54 model components to the UV plane model.
! The established model now contains 166 components and 0.0352746 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=22.55 mas, bmaj=41.01 mas, bpa=-4.539 degrees
! Estimated noise=2.42899 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000384157 Jy
! Component: 100  -  total flux cleaned = -0.000686536 Jy
! Component: 150  -  total flux cleaned = -0.000985895 Jy
! Component: 200  -  total flux cleaned = -0.00124261 Jy
! Total flux subtracted in 200 components = -0.00124261 Jy
! Clean residual min=-0.000657 max=0.000630 Jy/beam
! Clean residual mean=-0.000086 rms=0.000234 Jy/beam
! Combined flux in latest and established models = 0.034032 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 70 model components to the UV plane model.
! The established model now contains 235 components and 0.034032 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041845Jy  sigma=0.840130
! Fit after  self-cal, rms=0.041804Jy  sigma=0.839549
wmodel J2007+7942_S_2006_02_16_yyk\_map.mod
! Writing 235 model components to file: J2007+7942_S_2006_02_16_yyk_map.mod
wobs J2007+7942_S_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J2007+7942_S_2006_02_16_yyk_uvs.fits
wwins J2007+7942_S_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J2007+7942_S_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 22.55 x 41.01 at -4.539 degrees (North through East)
! Clean map  min=-0.0085472  max=0.043933 Jy/beam
! Writing clean map to FITS file: J2007+7942_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 0.0439326 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00025321 
device "J2007+7942_S_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J2007+7942_S_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -1.72908 1.72908 3.45816 6.91633 13.8327 27.6653 55.3306
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0007 
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: 22.55 x 41.01 at -4.539 degrees (North through East)
! Clean map  min=-0.0085472  max=0.043933 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J2007+7942_S_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J2007+7942_S_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J2007+7942_S_2006_02_16_yyk_uvs.log closed on Wed Jul  5 13:42:07 2006