! Started logfile: J1841+7947_X_2006_02_16_yyk_uvs.log on Wed Jul  5 13:32:08 2006
obs J1841+7947_X_2006_02_16_yyk_uva.fits
! Reading UV FITS file: J1841+7947_X_2006_02_16_yyk_uva.fits
! AN table 1: 872 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.128746 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1841+7947
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 2431 lines of history.
! 
! Reading 20208 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 J1841+7947_X_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 0.200x0.200 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)= 0.113236 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=2.138 mas, bmaj=23.89 mas, bpa=24.76 degrees
! Estimated noise=1.02585 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 = 0.0233919 Jy
! Component: 100  -  total flux cleaned = 0.0391781 Jy
! Total flux subtracted in 100 components = 0.0391781 Jy
! Clean residual min=-0.006565 max=0.006982 Jy/beam
! Clean residual mean=-0.000082 rms=0.003500 Jy/beam
! Combined flux in latest and established models = 0.0391781 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 24 components and 0.0391781 Jy
! 
! Correcting IF 1.
!  A total of 97 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 97 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 97 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 97 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.097169Jy  sigma=2.915652
! Fit after  self-cal, rms=0.097147Jy  sigma=2.913512
! Inverting map and beam 
! Estimated beam: bmin=2.138 mas, bmaj=23.89 mas, bpa=24.76 degrees
! Estimated noise=1.02585 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=1.998 mas, bmaj=28.87 mas, bpa=25.05 degrees
! Estimated noise=0.60126 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 = 0.0081102 Jy
! Component: 100  -  total flux cleaned = 0.0155598 Jy
! Component: 150  -  total flux cleaned = 0.0190809 Jy
! Component: 200  -  total flux cleaned = 0.0209065 Jy
! Total flux subtracted in 200 components = 0.0209065 Jy
! Clean residual min=-0.003965 max=0.003984 Jy/beam
! Clean residual mean=-0.000042 rms=0.001990 Jy/beam
! Combined flux in latest and established models = 0.0600846 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 61 model components to the UV plane model.
! The established model now contains 76 components and 0.0600846 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087772Jy  sigma=2.737154
! Fit after  self-cal, rms=0.087760Jy  sigma=2.736424
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.998 x 28.87 at 25.05 degrees (North through East)
! Clean map  min=-0.0044852  max=0.029493 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 3 telescope corrections were flagged in sub-array 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 3 telescope corrections were flagged in sub-array 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 3.
!  A total of 3 telescope corrections were flagged in sub-array 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 4.
!  A total of 3 telescope corrections were flagged in sub-array 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*    
! 
! 
! Fit before self-cal, rms=0.087760Jy  sigma=2.736424
! Fit after  self-cal, rms=0.088691Jy  sigma=2.759424
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=0.088691Jy  sigma=2.759424
! Fit after  self-cal, rms=0.088696Jy  sigma=2.759344
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.001 mas, bmaj=28.39 mas, bpa=25.02 degrees
! Estimated noise=0.61385 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 = 0.00536411 Jy
! Component: 100  -  total flux cleaned = 0.00355678 Jy
! Component: 150  -  total flux cleaned = 0.000168154 Jy
! Component: 200  -  total flux cleaned = -0.00123529 Jy
! Total flux subtracted in 200 components = -0.00123529 Jy
! Clean residual min=-0.003031 max=0.003052 Jy/beam
! Clean residual mean=-0.000032 rms=0.001621 Jy/beam
! Combined flux in latest and established models = 0.0588494 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 91 model components to the UV plane model.
! The established model now contains 167 components and 0.0588493 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083731Jy  sigma=2.675934
! Fit after  self-cal, rms=0.083732Jy  sigma=2.675603
! 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=0.083732Jy  sigma=2.675603
! Fit after  self-cal, rms=0.065300Jy  sigma=2.005820
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 = 0.0112262 Jy
! Component: 100  -  total flux cleaned = 0.0198256 Jy
! Component: 150  -  total flux cleaned = 0.0267689 Jy
! Component: 200  -  total flux cleaned = 0.0299996 Jy
! Total flux subtracted in 200 components = 0.0299996 Jy
! Clean residual min=-0.002907 max=0.002969 Jy/beam
! Clean residual mean=-0.000028 rms=0.001392 Jy/beam
! Combined flux in latest and established models = 0.0888489 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 214 components and 0.0888489 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.043775Jy  sigma=1.309038
! Fit after  self-cal, rms=0.040882Jy  sigma=1.177702
! 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: 2.001 x 28.39 at 25.02 degrees (North through East)
! Clean map  min=-0.0054959  max=0.047821 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 = 70 mega-wavelengths.
win_mult = win_mult * 1.4
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.068 mas, bmaj=25.52 mas, bpa=25.04 degrees
! Estimated noise=0.620317 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 = 0.00311503 Jy
! Component: 100  -  total flux cleaned = 0.00492811 Jy
! Component: 150  -  total flux cleaned = 0.00621914 Jy
! Component: 200  -  total flux cleaned = 0.00606611 Jy
! Total flux subtracted in 200 components = 0.00606611 Jy
! Clean residual min=-0.001796 max=0.001806 Jy/beam
! Clean residual mean=-0.000024 rms=0.001008 Jy/beam
! Combined flux in latest and established models = 0.094915 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 74 model components to the UV plane model.
! The established model now contains 275 components and 0.094915 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.033996Jy  sigma=1.022471
! Fit after  self-cal, rms=0.033551Jy  sigma=1.007769
! 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=2.132 mas, bmaj=24.06 mas, bpa=24.74 degrees
! Estimated noise=1.12964 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0393353 Jy
! Component: 100  -  total flux cleaned = 0.0633539 Jy
! Component: 150  -  total flux cleaned = 0.0804917 Jy
! Component: 200  -  total flux cleaned = 0.0913906 Jy
! Total flux subtracted in 200 components = 0.0913906 Jy
! Clean residual min=-0.006043 max=0.006267 Jy/beam
! Clean residual mean=-0.000069 rms=0.002808 Jy/beam
! Combined flux in latest and established models = 0.0913907 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 36 model components to the UV plane model.
! The established model now contains 36 components and 0.0913907 Jy
! Inverting map and beam 
! Estimated beam: bmin=2.001 mas, bmaj=28.39 mas, bpa=25.02 degrees
! Estimated noise=0.61385 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 = 0.0102789 Jy
! Component: 100  -  total flux cleaned = 0.0167182 Jy
! Component: 150  -  total flux cleaned = 0.0178109 Jy
! Component: 200  -  total flux cleaned = 0.0197077 Jy
! Total flux subtracted in 200 components = 0.0197077 Jy
! Clean residual min=-0.003459 max=0.003446 Jy/beam
! Clean residual mean=-0.000030 rms=0.001446 Jy/beam
! Combined flux in latest and established models = 0.111098 Jy
! Adding 50 model components to the UV plane model.
! The established model now contains 78 components and 0.111098 Jy
! Inverting map 
uvtaper 0.3,taper_size
! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths.
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.068 mas, bmaj=25.52 mas, bpa=25.04 degrees
! Estimated noise=0.620317 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 = 0.00415573 Jy
! Component: 100  -  total flux cleaned = 0.00606975 Jy
! Component: 150  -  total flux cleaned = 0.00556289 Jy
! Component: 200  -  total flux cleaned = 0.00588484 Jy
! Total flux subtracted in 200 components = 0.00588484 Jy
! Clean residual min=-0.001986 max=0.002021 Jy/beam
! Clean residual mean=-0.000028 rms=0.001194 Jy/beam
! Combined flux in latest and established models = 0.116983 Jy
! Adding 96 model components to the UV plane model.
! The established model now contains 170 components and 0.116983 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=2.001 mas, bmaj=28.39 mas, bpa=25.02 degrees
! Estimated noise=0.61385 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = -0.00147243 Jy
! Component: 100  -  total flux cleaned = -0.00255964 Jy
! Component: 150  -  total flux cleaned = -0.00387955 Jy
! Component: 200  -  total flux cleaned = -0.00615365 Jy
! Total flux subtracted in 200 components = -0.00615365 Jy
! Clean residual min=-0.001738 max=0.001712 Jy/beam
! Clean residual mean=-0.000019 rms=0.000808 Jy/beam
! Combined flux in latest and established models = 0.11083 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 60 model components to the UV plane model.
! The established model now contains 230 components and 0.11083 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.033040Jy  sigma=0.991995
! Fit after  self-cal, rms=0.032976Jy  sigma=0.988649
wmodel J1841+7947_X_2006_02_16_yyk\_map.mod
! Writing 230 model components to file: J1841+7947_X_2006_02_16_yyk_map.mod
wobs J1841+7947_X_2006_02_16_yyk\_uvs.fits
! Writing UV FITS file: J1841+7947_X_2006_02_16_yyk_uvs.fits
wwins J1841+7947_X_2006_02_16_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1841+7947_X_2006_02_16_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.001 x 28.39 at 25.02 degrees (North through East)
! Clean map  min=-0.0052884  max=0.046002 Jy/beam
! Writing clean map to FITS file: J1841+7947_X_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 0.0460025 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000836096 
device "J1841+7947_X_2006_02_16_yyk\_map.eps/VPS"
! Attempting to open device: 'J1841+7947_X_2006_02_16_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -5.45251 5.45251 10.905 21.81 43.62 87.2401
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0025 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.046 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.001 x 28.39 at 25.02 degrees (North through East)
! Clean map  min=-0.0052884  max=0.046002 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1841+7947_X_2006_02_16_yyk\_map.gif/gif"
! Attempting to open device: 'J1841+7947_X_2006_02_16_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1841+7947_X_2006_02_16_yyk_uvs.log closed on Wed Jul  5 13:33:01 2006