! Started logfile: J0648+7756_S_2006_02_16_yyk_uvs.log on Wed Jul  5 11:37:17 2006
obs J0648+7756_S_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J0648+7756_S_2006_02_16_yyk_uva.fits
! AN table 1: 858 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.132634 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J0648+7756
! 
! 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 20484 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 J0648+7756_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)= 0.0935243 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=21.6 mas, bmaj=40.35 mas, bpa=14.75 degrees
! Estimated noise=2.24533 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 = 0.0540585 Jy
! Component: 100  -  total flux cleaned = 0.0600562 Jy
! Total flux subtracted in 100 components = 0.0600562 Jy
! Clean residual min=-0.007532 max=0.007501 Jy/beam
! Clean residual mean=0.000479 rms=0.004696 Jy/beam
! Combined flux in latest and established models = 0.0600562 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 58 model components to the UV plane model.
! The established model now contains 58 components and 0.0600562 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 112 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=0.060477Jy  sigma=1.046804
! Fit after  self-cal, rms=0.059878Jy  sigma=1.032423
! Inverting map and beam 
! Estimated beam: bmin=21.6 mas, bmaj=40.35 mas, bpa=14.75 degrees
! Estimated noise=2.24533 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=24.16 mas, bmaj=38.92 mas, bpa=3.036 degrees
! Estimated noise=2.03523 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 = 0.00199458 Jy
! Component: 100  -  total flux cleaned = 0.00204209 Jy
! Component: 150  -  total flux cleaned = 0.00137852 Jy
! Component: 200  -  total flux cleaned = -0.000359622 Jy
! Total flux subtracted in 200 components = -0.000359622 Jy
! Clean residual min=-0.001422 max=0.001434 Jy/beam
! Clean residual mean=-0.000038 rms=0.000682 Jy/beam
! Combined flux in latest and established models = 0.0596966 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 90 model components to the UV plane model.
! The established model now contains 148 components and 0.0596966 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.057429Jy  sigma=0.990643
! Fit after  self-cal, rms=0.057382Jy  sigma=0.989667
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 24.16 x 38.92 at 3.036 degrees (North through East)
! Clean map  min=-0.011797  max=0.049509 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: 0.982026
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.09     HN        1.00*    KP        0.95     
!   LA        0.98     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        1.16     SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 1.00281
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00     HN        1.00*    KP        1.00     
!   LA        0.99     MK        1.00*    NL        1.00*    OV        1.00*    
!   PT        0.99     SC        1.00*    
! 
! 
! Correcting IF 3.
!  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 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=0.057382Jy  sigma=0.989667
! Fit after  self-cal, rms=0.053190Jy  sigma=0.993363
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=0.053190Jy  sigma=0.993363
! Fit after  self-cal, rms=0.053155Jy  sigma=0.992889
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=22.86 mas, bmaj=38.56 mas, bpa=2.44 degrees
! Estimated noise=2.41141 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 = 0.000761059 Jy
! Component: 100  -  total flux cleaned = 0.000496613 Jy
! Component: 150  -  total flux cleaned = -0.000377105 Jy
! Component: 200  -  total flux cleaned = -0.000742468 Jy
! Total flux subtracted in 200 components = -0.000742468 Jy
! Clean residual min=-0.000418 max=0.000417 Jy/beam
! Clean residual mean=-0.000031 rms=0.000198 Jy/beam
! Combined flux in latest and established models = 0.0589541 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 74 model components to the UV plane model.
! The established model now contains 221 components and 0.0589541 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.053126Jy  sigma=0.990934
! Fit after  self-cal, rms=0.053095Jy  sigma=0.990532
! 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=0.053095Jy  sigma=0.990532
! Fit after  self-cal, rms=0.046778Jy  sigma=0.844175
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 = 0.00348197 Jy
! Component: 100  -  total flux cleaned = 0.00280474 Jy
! Component: 150  -  total flux cleaned = 0.00182271 Jy
! Component: 200  -  total flux cleaned = 0.00192861 Jy
! Total flux subtracted in 200 components = 0.00192861 Jy
! Clean residual min=-0.000655 max=0.000657 Jy/beam
! Clean residual mean=0.000025 rms=0.000247 Jy/beam
! Combined flux in latest and established models = 0.0608827 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 76 model components to the UV plane model.
! The established model now contains 296 components and 0.0608827 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.046374Jy  sigma=0.837581
! Fit after  self-cal, rms=0.045704Jy  sigma=0.826577
! 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: 22.86 x 38.56 at 2.44 degrees (North through East)
! Clean map  min=-0.012112  max=0.049679 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=23.13 mas, bmaj=38.56 mas, bpa=2.291 degrees
! Estimated noise=2.41224 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 = -0.000290675 Jy
! Component: 100  -  total flux cleaned = -0.000532411 Jy
! Component: 150  -  total flux cleaned = -0.000882128 Jy
! Component: 200  -  total flux cleaned = -0.00108333 Jy
! Total flux subtracted in 200 components = -0.00108333 Jy
! Clean residual min=-0.000293 max=0.000291 Jy/beam
! Clean residual mean=-0.000006 rms=0.000138 Jy/beam
! Combined flux in latest and established models = 0.0597993 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 70 model components to the UV plane model.
! The established model now contains 365 components and 0.0597993 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.045692Jy  sigma=0.826167
! Fit after  self-cal, rms=0.045598Jy  sigma=0.825048
! 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=22.13 mas, bmaj=40.19 mas, bpa=14.11 degrees
! Estimated noise=2.56631 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0594902 Jy
! Component: 100  -  total flux cleaned = 0.0624238 Jy
! Component: 150  -  total flux cleaned = 0.0580636 Jy
! Component: 200  -  total flux cleaned = 0.0584035 Jy
! Total flux subtracted in 200 components = 0.0584035 Jy
! Clean residual min=-0.004855 max=0.004820 Jy/beam
! Clean residual mean=-0.000120 rms=0.002219 Jy/beam
! Combined flux in latest and established models = 0.0584035 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 107 model components to the UV plane model.
! The established model now contains 107 components and 0.0584035 Jy
! Inverting map and beam 
! Estimated beam: bmin=22.86 mas, bmaj=38.56 mas, bpa=2.44 degrees
! Estimated noise=2.41141 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 = -0.001356 Jy
! Component: 100  -  total flux cleaned = -0.000537376 Jy
! Component: 150  -  total flux cleaned = 0.000440238 Jy
! Component: 200  -  total flux cleaned = 0.000668801 Jy
! Total flux subtracted in 200 components = 0.000668801 Jy
! Clean residual min=-0.000957 max=0.000979 Jy/beam
! Clean residual mean=-0.000057 rms=0.000430 Jy/beam
! Combined flux in latest and established models = 0.0590723 Jy
! Adding 63 model components to the UV plane model.
! The established model now contains 170 components and 0.0590723 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=23.13 mas, bmaj=38.56 mas, bpa=2.291 degrees
! Estimated noise=2.41224 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 = 0.00014704 Jy
! Component: 100  -  total flux cleaned = 0.000265086 Jy
! Component: 150  -  total flux cleaned = 0.000342384 Jy
! Component: 200  -  total flux cleaned = 0.00026762 Jy
! Total flux subtracted in 200 components = 0.00026762 Jy
! Clean residual min=-0.000323 max=0.000315 Jy/beam
! Clean residual mean=-0.000003 rms=0.000139 Jy/beam
! Combined flux in latest and established models = 0.05934 Jy
! Adding 93 model components to the UV plane model.
! The established model now contains 263 components and 0.05934 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=22.86 mas, bmaj=38.56 mas, bpa=2.44 degrees
! Estimated noise=2.41141 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00021315 Jy
! Component: 100  -  total flux cleaned = 0.000299971 Jy
! Component: 150  -  total flux cleaned = 0.000368167 Jy
! Component: 200  -  total flux cleaned = 0.000436545 Jy
! Total flux subtracted in 200 components = 0.000436545 Jy
! Clean residual min=-0.000215 max=0.000218 Jy/beam
! Clean residual mean=0.000001 rms=0.000084 Jy/beam
! Combined flux in latest and established models = 0.0597765 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 311 components and 0.0597765 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.045680Jy  sigma=0.826361
! Fit after  self-cal, rms=0.045659Jy  sigma=0.826116
wmodel J0648+7756_S_2006_02_16_yyk\_map.mod
! Writing 311 model components to file: J0648+7756_S_2006_02_16_yyk_map.mod
wobs J0648+7756_S_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J0648+7756_S_2006_02_16_yyk_uvs.fits
wwins J0648+7756_S_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J0648+7756_S_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 22.86 x 38.56 at 2.44 degrees (North through East)
! Clean map  min=-0.010654  max=0.04402 Jy/beam
! Writing clean map to FITS file: J0648+7756_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 0.0440196 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000101616 
device "J0648+7756_S_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J0648+7756_S_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -0.692528 0.692528 1.38506 2.77011 5.54022 11.0804 22.1609 44.3218 88.6436
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0003 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.044 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 22.86 x 38.56 at 2.44 degrees (North through East)
! Clean map  min=-0.010654  max=0.04402 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J0648+7756_S_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J0648+7756_S_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J0648+7756_S_2006_02_16_yyk_uvs.log closed on Wed Jul  5 11:37:41 2006