! Started logfile: J1057+8858_S_2006_02_23_yyk_uvs.log on Wed Jul  5 11:58:50 2006
obs J1057+8858_S_2006_02_23_yyk_uva.fits
! Reading UV FITS file: J1057+8858_S_2006_02_23_yyk_uva.fits
! AN table 1: 876 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.132927 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: J1057+8858
! 
! 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 20960 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 J1057+8858_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)= 0.109441 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=10 mas, bmaj=70.14 mas, bpa=13.13 degrees
! Estimated noise=1.37267 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 = 0.0600546 Jy
! Component: 100  -  total flux cleaned = 0.089055 Jy
! Total flux subtracted in 100 components = 0.089055 Jy
! Clean residual min=-0.016759 max=0.016572 Jy/beam
! Clean residual mean=-0.000309 rms=0.006426 Jy/beam
! Combined flux in latest and established models = 0.089055 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 16 components and 0.089055 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 96 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 96 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.069002Jy  sigma=1.591073
! Fit after  self-cal, rms=0.068574Jy  sigma=1.572108
! Inverting map and beam 
! Estimated beam: bmin=10 mas, bmaj=70.14 mas, bpa=13.13 degrees
! Estimated noise=1.37267 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=10.41 mas, bmaj=79.26 mas, bpa=13.75 degrees
! Estimated noise=1.00174 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 = 0.00290106 Jy
! Component: 100  -  total flux cleaned = 0.0148372 Jy
! Component: 150  -  total flux cleaned = 0.0252021 Jy
! Component: 200  -  total flux cleaned = 0.0341339 Jy
! Total flux subtracted in 200 components = 0.0341339 Jy
! Clean residual min=-0.008964 max=0.008867 Jy/beam
! Clean residual mean=-0.000072 rms=0.003248 Jy/beam
! Combined flux in latest and established models = 0.123189 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 66 components and 0.123189 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.059734Jy  sigma=1.377545
! Fit after  self-cal, rms=0.059573Jy  sigma=1.375909
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 10.41 x 79.26 at 13.75 degrees (North through East)
! Clean map  min=-0.0096552  max=0.031921 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: 1.01064
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.18     HN        1.00*    KP        0.94     
!   LA        1.00*    MK        1.00*    NL        1.00*    OV        0.88     
!   PT        0.90     SC        1.00*    
! 
! 
! Fit before self-cal, rms=0.059573Jy  sigma=1.375909
! Fit after  self-cal, rms=0.057883Jy  sigma=1.368813
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=0.057883Jy  sigma=1.368813
! Fit after  self-cal, rms=0.057854Jy  sigma=1.368352
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=10.42 mas, bmaj=78.86 mas, bpa=13.82 degrees
! Estimated noise=1.0085 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 = -0.0011829 Jy
! Component: 100  -  total flux cleaned = -0.00282607 Jy
! Component: 150  -  total flux cleaned = -0.00630231 Jy
! Component: 200  -  total flux cleaned = -0.0101996 Jy
! Total flux subtracted in 200 components = -0.0101996 Jy
! Clean residual min=-0.003479 max=0.003438 Jy/beam
! Clean residual mean=-0.000077 rms=0.001129 Jy/beam
! Combined flux in latest and established models = 0.112989 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 90 model components to the UV plane model.
! The established model now contains 155 components and 0.112989 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.057857Jy  sigma=1.321047
! Fit after  self-cal, rms=0.057723Jy  sigma=1.319012
! 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=0.057723Jy  sigma=1.319012
! Fit after  self-cal, rms=0.053811Jy  sigma=1.187080
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 = 0.00323094 Jy
! Component: 100  -  total flux cleaned = 0.00676854 Jy
! Component: 150  -  total flux cleaned = 0.0084437 Jy
! Component: 200  -  total flux cleaned = 0.00839333 Jy
! Total flux subtracted in 200 components = 0.00839333 Jy
! Clean residual min=-0.004180 max=0.004421 Jy/beam
! Clean residual mean=-0.000041 rms=0.001311 Jy/beam
! Combined flux in latest and established models = 0.121383 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 188 components and 0.121383 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.050016Jy  sigma=1.143583
! Fit after  self-cal, rms=0.049847Jy  sigma=1.130982
! 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: 10.42 x 78.86 at 13.82 degrees (North through East)
! Clean map  min=-0.015133  max=0.033109 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=11.05 mas, bmaj=76.83 mas, bpa=13.52 degrees
! Estimated noise=1.01604 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 = -0.0023506 Jy
! Component: 100  -  total flux cleaned = -0.00330296 Jy
! Component: 150  -  total flux cleaned = -0.00390742 Jy
! Component: 200  -  total flux cleaned = -0.00493315 Jy
! Total flux subtracted in 200 components = -0.00493315 Jy
! Clean residual min=-0.002900 max=0.002925 Jy/beam
! Clean residual mean=-0.000090 rms=0.000824 Jy/beam
! Combined flux in latest and established models = 0.11645 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 67 model components to the UV plane model.
! The established model now contains 244 components and 0.11645 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.049127Jy  sigma=1.113701
! Fit after  self-cal, rms=0.049073Jy  sigma=1.111977
! 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=10.03 mas, bmaj=70.13 mas, bpa=13.15 degrees
! Estimated noise=1.36412 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0616208 Jy
! Component: 100  -  total flux cleaned = 0.0883072 Jy
! Component: 150  -  total flux cleaned = 0.0990741 Jy
! Component: 200  -  total flux cleaned = 0.0977392 Jy
! Total flux subtracted in 200 components = 0.0977392 Jy
! Clean residual min=-0.015946 max=0.016237 Jy/beam
! Clean residual mean=-0.000071 rms=0.006435 Jy/beam
! Combined flux in latest and established models = 0.0977392 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 30 model components to the UV plane model.
! The established model now contains 30 components and 0.0977392 Jy
! Inverting map and beam 
! Estimated beam: bmin=10.42 mas, bmaj=78.86 mas, bpa=13.82 degrees
! Estimated noise=1.0085 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 = 0.00262389 Jy
! Component: 100  -  total flux cleaned = 0.0104452 Jy
! Component: 150  -  total flux cleaned = 0.0114448 Jy
! Component: 200  -  total flux cleaned = 0.0107762 Jy
! Total flux subtracted in 200 components = 0.0107762 Jy
! Clean residual min=-0.009409 max=0.009380 Jy/beam
! Clean residual mean=-0.000001 rms=0.003680 Jy/beam
! Combined flux in latest and established models = 0.108515 Jy
! Adding 39 model components to the UV plane model.
! The established model now contains 65 components and 0.108515 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=11.05 mas, bmaj=76.83 mas, bpa=13.52 degrees
! Estimated noise=1.01604 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 = -0.00598132 Jy
! Component: 100  -  total flux cleaned = -0.0115264 Jy
! Component: 150  -  total flux cleaned = -0.0170451 Jy
! Component: 200  -  total flux cleaned = -0.0202433 Jy
! Total flux subtracted in 200 components = -0.0202433 Jy
! Clean residual min=-0.005305 max=0.005259 Jy/beam
! Clean residual mean=-0.000160 rms=0.001683 Jy/beam
! Combined flux in latest and established models = 0.0882721 Jy
! Adding 91 model components to the UV plane model.
! The established model now contains 153 components and 0.0882721 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=10.42 mas, bmaj=78.86 mas, bpa=13.82 degrees
! Estimated noise=1.0085 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.00152115 Jy
! Component: 100  -  total flux cleaned = 0.00426907 Jy
! Component: 150  -  total flux cleaned = 0.00768482 Jy
! Component: 200  -  total flux cleaned = 0.0115055 Jy
! Total flux subtracted in 200 components = 0.0115055 Jy
! Clean residual min=-0.003920 max=0.004138 Jy/beam
! Clean residual mean=-0.000050 rms=0.001566 Jy/beam
! Combined flux in latest and established models = 0.0997776 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 187 components and 0.0997776 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.048173Jy  sigma=1.135866
! Fit after  self-cal, rms=0.048015Jy  sigma=1.133173
wmodel J1057+8858_S_2006_02_23_yyk\_map.mod
! Writing 187 model components to file: J1057+8858_S_2006_02_23_yyk_map.mod
wobs J1057+8858_S_2006_02_23_yyk\_uvs.fits
! Writing UV FITS file: J1057+8858_S_2006_02_23_yyk_uvs.fits
wwins J1057+8858_S_2006_02_23_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1057+8858_S_2006_02_23_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 10.42 x 78.86 at 13.82 degrees (North through East)
! Clean map  min=-0.020519  max=0.038968 Jy/beam
! Writing clean map to FITS file: J1057+8858_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 0.0389679 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.00170417 
device "J1057+8858_S_2006_02_23_yyk\_map.eps/VPS"
! Attempting to open device: 'J1057+8858_S_2006_02_23_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -13.1198 13.1198 26.2395 52.479
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.0051 
print "peak=",int(peak_flux*1000)/1000
! peak= 0.038 
mapcolor none
! Mapplot colormap: none, contrast: 1 brightness: 0.5.
mapplot cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 10.42 x 78.86 at 13.82 degrees (North through East)
! Clean map  min=-0.020519  max=0.038968 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1057+8858_S_2006_02_23_yyk\_map.gif/gif"
! Attempting to open device: 'J1057+8858_S_2006_02_23_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1057+8858_S_2006_02_23_yyk_uvs.log closed on Wed Jul  5 11:59:17 2006