! Started logfile: J1218+7934_S_2006_02_23_yyk_uvs.log on Wed Jul  5 12:10:13 2006
obs J1218+7934_S_2006_02_23_yyk_uva.fits
! Reading UV FITS file: J1218+7934_S_2006_02_23_yyk_uva.fits
! AN table 1: 876 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.221487 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1218+7934
! 
! 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 2426 lines of history.
! 
! Reading 34924 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 J1218+7934_S_2006_02_23_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)= 0.0844983 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=11.69 mas, bmaj=43.84 mas, bpa=26.4 degrees
! Estimated noise=1.71404 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 = 0.0402632 Jy
! Component: 100  -  total flux cleaned = 0.0425459 Jy
! Total flux subtracted in 100 components = 0.0425459 Jy
! Clean residual min=-0.006636 max=0.006791 Jy/beam
! Clean residual mean=-0.000001 rms=0.003207 Jy/beam
! Combined flux in latest and established models = 0.0425459 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 0.0425459 Jy
! 
! Correcting IF 1.
!  A total of 80 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 80 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 80 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=0.063110Jy  sigma=1.161359
! Fit after  self-cal, rms=0.063051Jy  sigma=1.158580
! Inverting map and beam 
! Estimated beam: bmin=11.69 mas, bmaj=43.84 mas, bpa=26.4 degrees
! Estimated noise=1.71404 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=12.53 mas, bmaj=42.9 mas, bpa=25.23 degrees
! Estimated noise=1.36773 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 = -0.00750189 Jy
! Component: 100  -  total flux cleaned = -0.00518355 Jy
! Component: 150  -  total flux cleaned = -0.00411371 Jy
! Component: 200  -  total flux cleaned = -0.00447708 Jy
! Total flux subtracted in 200 components = -0.00447708 Jy
! Clean residual min=-0.004709 max=0.004693 Jy/beam
! Clean residual mean=0.000032 rms=0.001862 Jy/beam
! Combined flux in latest and established models = 0.0380688 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 54 model components to the UV plane model.
! The established model now contains 92 components and 0.0380688 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.060819Jy  sigma=1.111805
! Fit after  self-cal, rms=0.060765Jy  sigma=1.109041
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 12.53 x 42.9 at 25.23 degrees (North through East)
! Clean map  min=-0.0097217  max=0.040251 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
!  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.
!  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=0.060765Jy  sigma=1.109041
! Fit after  self-cal, rms=0.060765Jy  sigma=1.109041
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=0.060765Jy  sigma=1.109041
! Fit after  self-cal, rms=0.060765Jy  sigma=1.109041
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=12.53 mas, bmaj=42.9 mas, bpa=25.23 degrees
! Estimated noise=1.36773 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 = -0.00545074 Jy
! Component: 100  -  total flux cleaned = -0.00670546 Jy
! Component: 150  -  total flux cleaned = -0.00636914 Jy
! Component: 200  -  total flux cleaned = -0.00561655 Jy
! Total flux subtracted in 200 components = -0.00561655 Jy
! Clean residual min=-0.001872 max=0.001824 Jy/beam
! Clean residual mean=-0.000022 rms=0.000736 Jy/beam
! Combined flux in latest and established models = 0.0324523 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 67 model components to the UV plane model.
! The established model now contains 158 components and 0.0324523 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.059946Jy  sigma=1.091713
! Fit after  self-cal, rms=0.059927Jy  sigma=1.091548
! 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=0.059927Jy  sigma=1.091548
! Fit after  self-cal, rms=0.054431Jy  sigma=0.992273
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 = 8.2119e-05 Jy
! Component: 100  -  total flux cleaned = 0.000960577 Jy
! Component: 150  -  total flux cleaned = 0.00129507 Jy
! Component: 200  -  total flux cleaned = 0.00186451 Jy
! Total flux subtracted in 200 components = 0.00186451 Jy
! Clean residual min=-0.001445 max=0.001452 Jy/beam
! Clean residual mean=-0.000049 rms=0.000654 Jy/beam
! Combined flux in latest and established models = 0.0343168 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 84 model components to the UV plane model.
! The established model now contains 242 components and 0.0343168 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.053616Jy  sigma=0.978877
! Fit after  self-cal, rms=0.053145Jy  sigma=0.972403
! 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: 12.53 x 42.9 at 25.23 degrees (North through East)
! Clean map  min=-0.011707  max=0.043949 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=13.23 mas, bmaj=42.14 mas, bpa=24.91 degrees
! Estimated noise=1.37406 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 = -0.000685594 Jy
! Component: 100  -  total flux cleaned = -0.00038364 Jy
! Component: 150  -  total flux cleaned = -0.000174973 Jy
! Component: 200  -  total flux cleaned = 0.000357572 Jy
! Total flux subtracted in 200 components = 0.000357572 Jy
! Clean residual min=-0.001381 max=0.001346 Jy/beam
! Clean residual mean=-0.000035 rms=0.000558 Jy/beam
! Combined flux in latest and established models = 0.0346743 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 65 model components to the UV plane model.
! The established model now contains 293 components and 0.0346743 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052801Jy  sigma=0.966891
! Fit after  self-cal, rms=0.052715Jy  sigma=0.965842
! 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=11.69 mas, bmaj=43.84 mas, bpa=26.4 degrees
! Estimated noise=1.71404 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0401924 Jy
! Component: 100  -  total flux cleaned = 0.0418659 Jy
! Component: 150  -  total flux cleaned = 0.0423631 Jy
! Component: 200  -  total flux cleaned = 0.0444516 Jy
! Total flux subtracted in 200 components = 0.0444516 Jy
! Clean residual min=-0.006455 max=0.006545 Jy/beam
! Clean residual mean=0.000039 rms=0.002569 Jy/beam
! Combined flux in latest and established models = 0.0444516 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 56 model components to the UV plane model.
! The established model now contains 56 components and 0.0444516 Jy
! Inverting map and beam 
! Estimated beam: bmin=12.53 mas, bmaj=42.9 mas, bpa=25.23 degrees
! Estimated noise=1.36773 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 = 9.42455e-05 Jy
! Component: 100  -  total flux cleaned = 0.00223865 Jy
! Component: 150  -  total flux cleaned = 0.00473021 Jy
! Component: 200  -  total flux cleaned = 0.00612034 Jy
! Total flux subtracted in 200 components = 0.00612034 Jy
! Clean residual min=-0.001916 max=0.001916 Jy/beam
! Clean residual mean=-0.000010 rms=0.000953 Jy/beam
! Combined flux in latest and established models = 0.0505719 Jy
! Adding 96 model components to the UV plane model.
! The established model now contains 152 components and 0.0505719 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=13.23 mas, bmaj=42.14 mas, bpa=24.91 degrees
! Estimated noise=1.37406 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 = -0.00148679 Jy
! Component: 100  -  total flux cleaned = -0.00175068 Jy
! Component: 150  -  total flux cleaned = -0.00162562 Jy
! Component: 200  -  total flux cleaned = -0.00136974 Jy
! Total flux subtracted in 200 components = -0.00136974 Jy
! Clean residual min=-0.001588 max=0.001570 Jy/beam
! Clean residual mean=-0.000017 rms=0.000643 Jy/beam
! Combined flux in latest and established models = 0.0492021 Jy
! Adding 81 model components to the UV plane model.
! The established model now contains 229 components and 0.0492021 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=12.53 mas, bmaj=42.9 mas, bpa=25.23 degrees
! Estimated noise=1.36773 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.00119991 Jy
! Component: 100  -  total flux cleaned = -0.000885856 Jy
! Component: 150  -  total flux cleaned = -0.000566818 Jy
! Component: 200  -  total flux cleaned = 7.82077e-05 Jy
! Total flux subtracted in 200 components = 7.82077e-05 Jy
! Clean residual min=-0.001381 max=0.001383 Jy/beam
! Clean residual mean=-0.000052 rms=0.000596 Jy/beam
! Combined flux in latest and established models = 0.0492803 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 65 model components to the UV plane model.
! The established model now contains 286 components and 0.0492803 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052761Jy  sigma=0.966665
! Fit after  self-cal, rms=0.052671Jy  sigma=0.965519
wmodel J1218+7934_S_2006_02_23_yyk\_map.mod
! Writing 286 model components to file: J1218+7934_S_2006_02_23_yyk_map.mod
wobs J1218+7934_S_2006_02_23_yyk\_uvs.fits
! Writing UV FITS file: J1218+7934_S_2006_02_23_yyk_uvs.fits
wwins J1218+7934_S_2006_02_23_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1218+7934_S_2006_02_23_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 12.53 x 42.9 at 25.23 degrees (North through East)
! Clean map  min=-0.0098933  max=0.044048 Jy/beam
! Writing clean map to FITS file: J1218+7934_S_2006_02_23_yyk_map.fits
float peak_flux
peak_flux = peak(flux,max)
print "The peak flux is",peak_flux
! The peak flux is 0.0440477 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000523574 
device "J1218+7934_S_2006_02_23_yyk\_map.eps/VPS"
! Attempting to open device: 'J1218+7934_S_2006_02_23_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -3.56595 3.56595 7.13191 14.2638 28.5276 57.0553
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0015 
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: 12.53 x 42.9 at 25.23 degrees (North through East)
! Clean map  min=-0.0098933  max=0.044048 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1218+7934_S_2006_02_23_yyk\_map.gif/gif"
! Attempting to open device: 'J1218+7934_S_2006_02_23_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1218+7934_S_2006_02_23_yyk_uvs.log closed on Wed Jul  5 12:10:35 2006