! Started logfile: J1648+7546_S_2006_02_14_yyk_uvs.log on Wed Jul  5 13:00:40 2006
obs J1648+7546_S_2006_02_14_yyk_uva.fits
! Reading UV FITS file: J1648+7546_S_2006_02_14_yyk_uva.fits
! AN table 1: 882 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.221567 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1648+7546
! 
! 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 2686 lines of history.
! 
! Reading 35176 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 J1648+7546_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)= 0.0681373 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=4.572 mas, bmaj=35.17 mas, bpa=-27.89 degrees
! Estimated noise=1.98826 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 = 0.0113828 Jy
! Component: 100  -  total flux cleaned = 0.00767064 Jy
! Total flux subtracted in 100 components = 0.00767064 Jy
! Clean residual min=-0.005141 max=0.005131 Jy/beam
! Clean residual mean=0.000001 rms=0.002266 Jy/beam
! Combined flux in latest and established models = 0.00767063 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 44 components and 0.00767063 Jy
! 
! Correcting IF 1.
!  A total of 112 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 160 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 112 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.054500Jy  sigma=1.193850
! Fit after  self-cal, rms=0.053964Jy  sigma=1.179515
! Inverting map and beam 
! Estimated beam: bmin=4.568 mas, bmaj=35.22 mas, bpa=-27.89 degrees
! Estimated noise=1.99511 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=4.843 mas, bmaj=32.9 mas, bpa=-26 degrees
! Estimated noise=1.29251 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 = -0.00618059 Jy
! Component: 100  -  total flux cleaned = -0.0112881 Jy
! Component: 150  -  total flux cleaned = -0.0161333 Jy
! Component: 200  -  total flux cleaned = -0.0213912 Jy
! Total flux subtracted in 200 components = -0.0213912 Jy
! Clean residual min=-0.002600 max=0.002510 Jy/beam
! Clean residual mean=-0.000012 rms=0.001187 Jy/beam
! Combined flux in latest and established models = -0.0137205 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 71 model components to the UV plane model.
! The established model now contains 109 components and -0.0137205 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.048903Jy  sigma=1.095505
! Fit after  self-cal, rms=0.048826Jy  sigma=1.095254
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.843 x 32.9 at -26 degrees (North through East)
! Clean map  min=-0.0088872  max=0.011223 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.
!  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 2.
!  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=0.048826Jy  sigma=1.095254
! Fit after  self-cal, rms=0.048484Jy  sigma=1.018968
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=0.048484Jy  sigma=1.018968
! Fit after  self-cal, rms=0.048512Jy  sigma=1.020920
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.773 mas, bmaj=37.64 mas, bpa=-26.69 degrees
! Estimated noise=1.68712 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 = 0.000526694 Jy
! Component: 100  -  total flux cleaned = -0.000331733 Jy
! Component: 150  -  total flux cleaned = -0.00206377 Jy
! Component: 200  -  total flux cleaned = -0.00408908 Jy
! Total flux subtracted in 200 components = -0.00408908 Jy
! Clean residual min=-0.001270 max=0.001257 Jy/beam
! Clean residual mean=0.000002 rms=0.000473 Jy/beam
! Combined flux in latest and established models = -0.0178096 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 153 components and -0.0178096 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.047805Jy  sigma=1.005423
! Fit after  self-cal, rms=0.047844Jy  sigma=1.007603
! 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=0.047844Jy  sigma=1.007603
! Fit after  self-cal, rms=0.043093Jy  sigma=0.849380
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 = 0.000972451 Jy
! Component: 100  -  total flux cleaned = 0.00158519 Jy
! Component: 150  -  total flux cleaned = 0.00258377 Jy
! Component: 200  -  total flux cleaned = 0.00376331 Jy
! Total flux subtracted in 200 components = 0.00376331 Jy
! Clean residual min=-0.001460 max=0.001470 Jy/beam
! Clean residual mean=0.000012 rms=0.000545 Jy/beam
! Combined flux in latest and established models = -0.0140463 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 195 components and -0.0140463 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041965Jy  sigma=0.814316
! Fit after  self-cal, rms=0.041494Jy  sigma=0.804008
! 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: 3.773 x 37.64 at -26.69 degrees (North through East)
! Clean map  min=-0.0081879  max=0.011666 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=6.589 mas, bmaj=30.07 mas, bpa=-25.72 degrees
! Estimated noise=2.08226 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 = -0.000114108 Jy
! Component: 100  -  total flux cleaned = -0.00112991 Jy
! Component: 150  -  total flux cleaned = -0.00182321 Jy
! Component: 200  -  total flux cleaned = -0.00255252 Jy
! Total flux subtracted in 200 components = -0.00255252 Jy
! Clean residual min=-0.001268 max=0.001257 Jy/beam
! Clean residual mean=0.000003 rms=0.000454 Jy/beam
! Combined flux in latest and established models = -0.0165988 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 49 model components to the UV plane model.
! The established model now contains 240 components and -0.0165988 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.041141Jy  sigma=0.799344
! Fit after  self-cal, rms=0.040926Jy  sigma=0.797743
! 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=4.344 mas, bmaj=38.49 mas, bpa=-28.18 degrees
! Estimated noise=2.77256 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.015589 Jy
! Component: 100  -  total flux cleaned = 0.00682333 Jy
! Component: 150  -  total flux cleaned = 0.000874194 Jy
! Component: 200  -  total flux cleaned = 0.000867349 Jy
! Total flux subtracted in 200 components = 0.000867349 Jy
! Clean residual min=-0.009650 max=0.010070 Jy/beam
! Clean residual mean=0.000008 rms=0.003199 Jy/beam
! Combined flux in latest and established models = 0.000867353 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 50 model components to the UV plane model.
! The established model now contains 50 components and 0.000867353 Jy
! Inverting map and beam 
! Estimated beam: bmin=3.773 mas, bmaj=37.64 mas, bpa=-26.69 degrees
! Estimated noise=1.68712 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 = -0.00847112 Jy
! Component: 100  -  total flux cleaned = -0.0112505 Jy
! Component: 150  -  total flux cleaned = -0.0114495 Jy
! Component: 200  -  total flux cleaned = -0.0106542 Jy
! Total flux subtracted in 200 components = -0.0106542 Jy
! Clean residual min=-0.001635 max=0.001669 Jy/beam
! Clean residual mean=0.000005 rms=0.000631 Jy/beam
! Combined flux in latest and established models = -0.00978687 Jy
! Adding 63 model components to the UV plane model.
! The established model now contains 113 components and -0.00978687 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=6.589 mas, bmaj=30.07 mas, bpa=-25.72 degrees
! Estimated noise=2.08226 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 = -0.000513268 Jy
! Component: 100  -  total flux cleaned = -0.000291208 Jy
! Component: 150  -  total flux cleaned = 0.000472726 Jy
! Component: 200  -  total flux cleaned = 0.00191911 Jy
! Total flux subtracted in 200 components = 0.00191911 Jy
! Clean residual min=-0.000669 max=0.000727 Jy/beam
! Clean residual mean=0.000005 rms=0.000267 Jy/beam
! Combined flux in latest and established models = -0.00786776 Jy
! Adding 45 model components to the UV plane model.
! The established model now contains 156 components and -0.00786776 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=3.773 mas, bmaj=37.64 mas, bpa=-26.69 degrees
! Estimated noise=1.68712 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.000414657 Jy
! Component: 100  -  total flux cleaned = -0.00057586 Jy
! Component: 150  -  total flux cleaned = -0.00069908 Jy
! Component: 200  -  total flux cleaned = -0.000397856 Jy
! Total flux subtracted in 200 components = -0.000397856 Jy
! Clean residual min=-0.000662 max=0.000659 Jy/beam
! Clean residual mean=-0.000000 rms=0.000244 Jy/beam
! Combined flux in latest and established models = -0.00826562 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 47 model components to the UV plane model.
! The established model now contains 203 components and -0.00826562 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.040664Jy  sigma=0.792867
! Fit after  self-cal, rms=0.040101Jy  sigma=0.790032
wmodel J1648+7546_S_2006_02_14_yyk\_map.mod
! Writing 203 model components to file: J1648+7546_S_2006_02_14_yyk_map.mod
wobs J1648+7546_S_2006_02_14_yyk\_uvs.fits
! Writing UV FITS file: J1648+7546_S_2006_02_14_yyk_uvs.fits
wwins J1648+7546_S_2006_02_14_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1648+7546_S_2006_02_14_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.773 x 37.64 at -26.69 degrees (North through East)
! Clean map  min=-0.021179  max=0.01789 Jy/beam
! Writing clean map to FITS file: J1648+7546_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 0.0178899 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000271042 
device "J1648+7546_S_2006_02_14_yyk\_map.eps/VPS"
! Attempting to open device: 'J1648+7546_S_2006_02_14_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -4.54516 4.54516 9.09031 18.1806 36.3612 72.7225
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0008 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.017 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.773 x 37.64 at -26.69 degrees (North through East)
! Clean map  min=-0.021179  max=0.01789 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1648+7546_S_2006_02_14_yyk\_map.gif/gif"
! Attempting to open device: 'J1648+7546_S_2006_02_14_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1648+7546_S_2006_02_14_yyk_uvs.log closed on Wed Jul  5 13:01:10 2006