! Started logfile: J0230+8141_S_2006_02_14_yyk_uvs.log on Wed Jul  5 11:09:13 2006
obs J0230+8141_S_2006_02_14_yyk_uva.fits
! Reading UV FITS file: J0230+8141_S_2006_02_14_yyk_uva.fits
! AN table 1: 875 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.331378 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0230+8141
! 
! 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 2683 lines of history.
! 
! Reading 52192 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 J0230+8141_S_2006_02_14_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)= 0.0951549 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=7.077 mas, bmaj=12.81 mas, bpa=-6.576 degrees
! Estimated noise=3.08355 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 = 0.0534624 Jy
! Component: 100  -  total flux cleaned = 0.057106 Jy
! Total flux subtracted in 100 components = 0.057106 Jy
! Clean residual min=-0.006527 max=0.006515 Jy/beam
! Clean residual mean=0.000303 rms=0.002869 Jy/beam
! Combined flux in latest and established models = 0.057106 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 25 components and 0.057106 Jy
! 
! Correcting IF 1.
!  A total of 64 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 160 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 80 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.062518Jy  sigma=1.095255
! Fit after  self-cal, rms=0.062294Jy  sigma=1.086656
! Inverting map and beam 
! Estimated beam: bmin=7.077 mas, bmaj=12.81 mas, bpa=-6.576 degrees
! Estimated noise=3.08355 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=8.608 mas, bmaj=15.23 mas, bpa=-12.49 degrees
! Estimated noise=1.717 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 = 0.000554987 Jy
! Component: 100  -  total flux cleaned = -0.00477751 Jy
! Component: 150  -  total flux cleaned = -0.0119529 Jy
! Component: 200  -  total flux cleaned = -0.0183374 Jy
! Total flux subtracted in 200 components = -0.0183374 Jy
! Clean residual min=-0.003344 max=0.003251 Jy/beam
! Clean residual mean=0.000120 rms=0.001736 Jy/beam
! Combined flux in latest and established models = 0.0387686 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 111 model components to the UV plane model.
! The established model now contains 136 components and 0.0387686 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.058265Jy  sigma=1.015035
! Fit after  self-cal, rms=0.058208Jy  sigma=1.014688
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 8.608 x 15.23 at -12.49 degrees (North through East)
! Clean map  min=-0.007823  max=0.048673 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: 0.998733
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.94     FD        1.00*    HN        1.00*    KP        1.02     
!   LA        1.03     MK        1.00*    NL        1.01     OV        1.04     
!   PT        0.97     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        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 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=0.058208Jy  sigma=1.014688
! Fit after  self-cal, rms=0.058834Jy  sigma=1.013442
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=0.058834Jy  sigma=1.013442
! Fit after  self-cal, rms=0.058835Jy  sigma=1.013443
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=8.164 mas, bmaj=13.85 mas, bpa=-10.83 degrees
! Estimated noise=1.82981 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 = -0.00086668 Jy
! Component: 100  -  total flux cleaned = -0.00168644 Jy
! Component: 150  -  total flux cleaned = -0.00183791 Jy
! Component: 200  -  total flux cleaned = -0.00305297 Jy
! Total flux subtracted in 200 components = -0.00305297 Jy
! Clean residual min=-0.001415 max=0.001420 Jy/beam
! Clean residual mean=-0.000002 rms=0.000676 Jy/beam
! Combined flux in latest and established models = 0.0357157 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 90 model components to the UV plane model.
! The established model now contains 223 components and 0.0357157 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.057470Jy  sigma=0.999532
! Fit after  self-cal, rms=0.057443Jy  sigma=0.999415
! 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=0.057443Jy  sigma=0.999415
! Fit after  self-cal, rms=0.053401Jy  sigma=0.918041
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 = 0.00286604 Jy
! Component: 100  -  total flux cleaned = 0.00506222 Jy
! Component: 150  -  total flux cleaned = 0.00609546 Jy
! Component: 200  -  total flux cleaned = 0.0064254 Jy
! Total flux subtracted in 200 components = 0.0064254 Jy
! Clean residual min=-0.001347 max=0.001368 Jy/beam
! Clean residual mean=-0.000003 rms=0.000558 Jy/beam
! Combined flux in latest and established models = 0.0421411 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 61 model components to the UV plane model.
! The established model now contains 278 components and 0.0421411 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052603Jy  sigma=0.908256
! Fit after  self-cal, rms=0.052392Jy  sigma=0.903111
! 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: 8.164 x 13.85 at -10.83 degrees (North through East)
! Clean map  min=-0.007233  max=0.048424 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=9.498 mas, bmaj=14.59 mas, bpa=-8.415 degrees
! Estimated noise=1.88567 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 = 8.91613e-05 Jy
! Component: 100  -  total flux cleaned = 0.000554962 Jy
! Component: 150  -  total flux cleaned = 0.00037633 Jy
! Component: 200  -  total flux cleaned = 0.000289087 Jy
! Total flux subtracted in 200 components = 0.000289088 Jy
! Clean residual min=-0.001061 max=0.001058 Jy/beam
! Clean residual mean=-0.000064 rms=0.000435 Jy/beam
! Combined flux in latest and established models = 0.0424302 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 66 model components to the UV plane model.
! The established model now contains 330 components and 0.0424302 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052019Jy  sigma=0.898972
! Fit after  self-cal, rms=0.052001Jy  sigma=0.898269
! 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=7.072 mas, bmaj=12.63 mas, bpa=-5.694 degrees
! Estimated noise=3.07848 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.058387 Jy
! Component: 100  -  total flux cleaned = 0.0614495 Jy
! Component: 150  -  total flux cleaned = 0.0597857 Jy
! Component: 200  -  total flux cleaned = 0.0583453 Jy
! Total flux subtracted in 200 components = 0.0583453 Jy
! Clean residual min=-0.004144 max=0.004087 Jy/beam
! Clean residual mean=0.000205 rms=0.002010 Jy/beam
! Combined flux in latest and established models = 0.0583453 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 83 model components to the UV plane model.
! The established model now contains 83 components and 0.0583453 Jy
! Inverting map and beam 
! Estimated beam: bmin=8.164 mas, bmaj=13.85 mas, bpa=-10.83 degrees
! Estimated noise=1.82981 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 = -0.000890721 Jy
! Component: 100  -  total flux cleaned = -0.00381558 Jy
! Component: 150  -  total flux cleaned = -0.00723275 Jy
! Component: 200  -  total flux cleaned = -0.00970763 Jy
! Total flux subtracted in 200 components = -0.00970763 Jy
! Clean residual min=-0.002411 max=0.002405 Jy/beam
! Clean residual mean=0.000090 rms=0.001282 Jy/beam
! Combined flux in latest and established models = 0.0486377 Jy
! Adding 99 model components to the UV plane model.
! The established model now contains 182 components and 0.0486377 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=9.498 mas, bmaj=14.59 mas, bpa=-8.415 degrees
! Estimated noise=1.88567 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 = -0.00149606 Jy
! Component: 100  -  total flux cleaned = -0.00226108 Jy
! Component: 150  -  total flux cleaned = -0.00171501 Jy
! Component: 200  -  total flux cleaned = -0.00121816 Jy
! Total flux subtracted in 200 components = -0.00121816 Jy
! Clean residual min=-0.001542 max=0.001525 Jy/beam
! Clean residual mean=-0.000032 rms=0.000745 Jy/beam
! Combined flux in latest and established models = 0.0474195 Jy
! Adding 84 model components to the UV plane model.
! The established model now contains 265 components and 0.0474195 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=8.164 mas, bmaj=13.85 mas, bpa=-10.83 degrees
! Estimated noise=1.82981 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.000273541 Jy
! Component: 100  -  total flux cleaned = 0.000560482 Jy
! Component: 150  -  total flux cleaned = 0.00102474 Jy
! Component: 200  -  total flux cleaned = 0.00192094 Jy
! Total flux subtracted in 200 components = 0.00192094 Jy
! Clean residual min=-0.001088 max=0.001118 Jy/beam
! Clean residual mean=-0.000025 rms=0.000472 Jy/beam
! Combined flux in latest and established models = 0.0493404 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 308 components and 0.0493404 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052127Jy  sigma=0.898887
! Fit after  self-cal, rms=0.052106Jy  sigma=0.898288
wmodel J0230+8141_S_2006_02_14_yyk\_map.mod
! Writing 308 model components to file: J0230+8141_S_2006_02_14_yyk_map.mod
wobs J0230+8141_S_2006_02_14_yyk\_uvs.fits
! Writing UV FITS file: J0230+8141_S_2006_02_14_yyk_uvs.fits
wwins J0230+8141_S_2006_02_14_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0230+8141_S_2006_02_14_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 8.164 x 13.85 at -10.83 degrees (North through East)
! Clean map  min=-0.0069299  max=0.047223 Jy/beam
! Writing clean map to FITS file: J0230+8141_S_2006_02_14_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0472227 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000451601 
device "J0230+8141_S_2006_02_14_yyk\_map.eps/VPS"
! Attempting to open device: 'J0230+8141_S_2006_02_14_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -2.86896 2.86896 5.73792 11.4758 22.9517 45.9034 91.8067
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0013 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.047 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 8.164 x 13.85 at -10.83 degrees (North through East)
! Clean map  min=-0.0069299  max=0.047223 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0230+8141_S_2006_02_14_yyk\_map.gif/gif"
! Attempting to open device: 'J0230+8141_S_2006_02_14_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0230+8141_S_2006_02_14_yyk_uvs.log closed on Wed Jul  5 11:09:31 2006