! Started logfile: J1021+7655_S_2006_02_23_yyk_uvs.log on Wed Jul  5 11:56:33 2006
obs J1021+7655_S_2006_02_23_yyk_uva.fits
! Reading UV FITS file: J1021+7655_S_2006_02_23_yyk_uva.fits
! AN table 1: 880 integrations on 45 of 45 possible baselines.
! Apparent sampling: 0.619596 visibilities/baseline/integration-bin.
! Found source: J1021+7655
! 
! 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 2423 lines of history.
! 
! Reading 98144 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 J1021+7655_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)= 0.073941 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=5.35 mas, bmaj=11.95 mas, bpa=-11.33 degrees
! Estimated noise=2.24639 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 = 0.0434464 Jy
! Component: 100  -  total flux cleaned = 0.046302 Jy
! Total flux subtracted in 100 components = 0.046302 Jy
! Clean residual min=-0.007406 max=0.007393 Jy/beam
! Clean residual mean=0.000191 rms=0.002996 Jy/beam
! Combined flux in latest and established models = 0.046302 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 33 components and 0.046302 Jy
! 
! Correcting IF 1.
!  A total of 42 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 74 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 106 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 74 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.055643Jy  sigma=1.060789
! Fit after  self-cal, rms=0.055494Jy  sigma=1.058076
! Inverting map and beam 
! Estimated beam: bmin=5.35 mas, bmaj=11.95 mas, bpa=-11.33 degrees
! Estimated noise=2.24639 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=7.862 mas, bmaj=11.91 mas, bpa=-0.1067 degrees
! Estimated noise=1.06585 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 = 0.00862727 Jy
! Component: 100  -  total flux cleaned = 0.00823043 Jy
! Component: 150  -  total flux cleaned = 0.0067952 Jy
! Component: 200  -  total flux cleaned = 0.00684023 Jy
! Total flux subtracted in 200 components = 0.00684023 Jy
! Clean residual min=-0.002710 max=0.002727 Jy/beam
! Clean residual mean=0.000089 rms=0.001307 Jy/beam
! Combined flux in latest and established models = 0.0531422 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 78 model components to the UV plane model.
! The established model now contains 111 components and 0.0531422 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.052422Jy  sigma=0.985254
! Fit after  self-cal, rms=0.052358Jy  sigma=0.984354
! Inverting map 
print "************** FINISHED NATURAL WEIGHTING CLEAN **************"
! ************** FINISHED NATURAL WEIGHTING CLEAN ************** 
! 
restore
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 7.862 x 11.91 at -0.1067 degrees (North through East)
! Clean map  min=-0.0059072  max=0.04172 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: 1.02311
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.86     HN        0.85     KP        0.99     
!   LA        1.06     MK        1.00*    NL        0.86     OV        1.06     
!   PT        1.08     SC        1.00*    
! 
! 
! Correcting IF 2.
!  Amplitude normalization factor in sub-array 1: 0.997066
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.86     HN        1.00*    KP        0.91     
!   LA        1.13     MK        1.00*    NL        1.00*    OV        1.19     
!   PT        0.90     SC        1.00*    
! 
! 
! Correcting IF 3.
!  Amplitude normalization factor in sub-array 1: 1.01111
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.95     HN        1.00*    KP        1.01     
!   LA        1.00*    MK        1.00*    NL        1.00*    OV        0.98     
!   PT        0.96     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=0.052358Jy  sigma=0.984354
! Fit after  self-cal, rms=0.051113Jy  sigma=0.977800
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=0.051113Jy  sigma=0.977800
! Fit after  self-cal, rms=0.051112Jy  sigma=0.977624
dynam = dynam - 0.5
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=7.508 mas, bmaj=11.8 mas, bpa=-3.629 degrees
! Estimated noise=1.04973 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 = 0.000449788 Jy
! Component: 100  -  total flux cleaned = -0.000413249 Jy
! Component: 150  -  total flux cleaned = -0.00147474 Jy
! Component: 200  -  total flux cleaned = -0.0024016 Jy
! Total flux subtracted in 200 components = -0.0024016 Jy
! Clean residual min=-0.001197 max=0.001197 Jy/beam
! Clean residual mean=0.000036 rms=0.000534 Jy/beam
! Combined flux in latest and established models = 0.0507406 Jy
! Performing phase self-cal over 10 minute time intervals
! Adding 79 model components to the UV plane model.
! The established model now contains 190 components and 0.0507406 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.050526Jy  sigma=0.965855
! Fit after  self-cal, rms=0.050497Jy  sigma=0.965554
! 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=0.050497Jy  sigma=0.965554
! Fit after  self-cal, rms=0.047027Jy  sigma=0.892739
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 = 0.000996291 Jy
! Component: 100  -  total flux cleaned = 0.000995766 Jy
! Component: 150  -  total flux cleaned = 0.000418652 Jy
! Component: 200  -  total flux cleaned = -5.42594e-06 Jy
! Total flux subtracted in 200 components = -5.42594e-06 Jy
! Clean residual min=-0.001011 max=0.001007 Jy/beam
! Clean residual mean=0.000017 rms=0.000426 Jy/beam
! Combined flux in latest and established models = 0.0507352 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 64 model components to the UV plane model.
! The established model now contains 247 components and 0.0507352 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.046434Jy  sigma=0.883686
! Fit after  self-cal, rms=0.046144Jy  sigma=0.878476
! 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: 7.508 x 11.8 at -3.629 degrees (North through East)
! Clean map  min=-0.007053  max=0.042734 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=10.03 mas, bmaj=13.59 mas, bpa=12.97 degrees
! Estimated noise=1.10149 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 = -0.000529906 Jy
! Component: 100  -  total flux cleaned = -0.000134578 Jy
! Component: 150  -  total flux cleaned = -1.53557e-05 Jy
! Component: 200  -  total flux cleaned = 4.04797e-05 Jy
! Total flux subtracted in 200 components = 4.04797e-05 Jy
! Clean residual min=-0.000667 max=0.000664 Jy/beam
! Clean residual mean=0.000012 rms=0.000283 Jy/beam
! Combined flux in latest and established models = 0.0507757 Jy
! Performing phase self-cal over 0.5 minute time intervals
! Adding 69 model components to the UV plane model.
! The established model now contains 311 components and 0.0507757 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.045926Jy  sigma=0.875598
! Fit after  self-cal, rms=0.045892Jy  sigma=0.874948
! 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=5.232 mas, bmaj=11.96 mas, bpa=-11.98 degrees
! Estimated noise=2.16454 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.0442051 Jy
! Component: 100  -  total flux cleaned = 0.0498207 Jy
! Component: 150  -  total flux cleaned = 0.0483691 Jy
! Component: 200  -  total flux cleaned = 0.0468184 Jy
! Total flux subtracted in 200 components = 0.0468184 Jy
! Clean residual min=-0.004310 max=0.004320 Jy/beam
! Clean residual mean=0.000134 rms=0.001934 Jy/beam
! Combined flux in latest and established models = 0.0468184 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 74 model components to the UV plane model.
! The established model now contains 74 components and 0.0468184 Jy
! Inverting map and beam 
! Estimated beam: bmin=7.508 mas, bmaj=11.8 mas, bpa=-3.629 degrees
! Estimated noise=1.04973 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 = 0.00202272 Jy
! Component: 100  -  total flux cleaned = 0.00250664 Jy
! Component: 150  -  total flux cleaned = 0.00311519 Jy
! Component: 200  -  total flux cleaned = 0.00242274 Jy
! Total flux subtracted in 200 components = 0.00242274 Jy
! Clean residual min=-0.001978 max=0.001959 Jy/beam
! Clean residual mean=0.000018 rms=0.000850 Jy/beam
! Combined flux in latest and established models = 0.0492411 Jy
! Adding 71 model components to the UV plane model.
! The established model now contains 144 components and 0.0492411 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=10.03 mas, bmaj=13.59 mas, bpa=12.97 degrees
! Estimated noise=1.10149 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 = -0.000105564 Jy
! Component: 100  -  total flux cleaned = -0.000417187 Jy
! Component: 150  -  total flux cleaned = -0.000606166 Jy
! Component: 200  -  total flux cleaned = -0.000691374 Jy
! Total flux subtracted in 200 components = -0.000691374 Jy
! Clean residual min=-0.000980 max=0.000976 Jy/beam
! Clean residual mean=0.000011 rms=0.000440 Jy/beam
! Combined flux in latest and established models = 0.0485497 Jy
! Adding 86 model components to the UV plane model.
! The established model now contains 221 components and 0.0485498 Jy
! Inverting map 
uvtaper 0
! No UV-taper is currently set.
clean
! Inverting map and beam 
! Estimated beam: bmin=7.508 mas, bmaj=11.8 mas, bpa=-3.629 degrees
! Estimated noise=1.04973 mJy/beam.
! clean: niter=200  gain=0.04  cutoff=0
! Component: 050  -  total flux cleaned = 0.000139497 Jy
! Component: 100  -  total flux cleaned = -0.000428758 Jy
! Component: 150  -  total flux cleaned = -0.00102425 Jy
! Component: 200  -  total flux cleaned = -0.00158439 Jy
! Total flux subtracted in 200 components = -0.00158439 Jy
! Clean residual min=-0.000846 max=0.000841 Jy/beam
! Clean residual mean=0.000002 rms=0.000358 Jy/beam
! Combined flux in latest and established models = 0.0469654 Jy
selfcal false, false, phase_soltime
! Performing phase self-cal over 0.5 minute time intervals
! Adding 52 model components to the UV plane model.
! The established model now contains 268 components and 0.0469654 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.045893Jy  sigma=0.876494
! Fit after  self-cal, rms=0.045848Jy  sigma=0.875698
wmodel J1021+7655_S_2006_02_23_yyk\_map.mod
! Writing 268 model components to file: J1021+7655_S_2006_02_23_yyk_map.mod
wobs J1021+7655_S_2006_02_23_yyk\_uvs.fits
! Writing UV FITS file: J1021+7655_S_2006_02_23_yyk_uvs.fits
wwins J1021+7655_S_2006_02_23_yyk\_map.win
! wwins: No CLEAN windows to write.
! Error occured in command: wwins
![Exited script file: muppet]
! 
wmap "J1021+7655_S_2006_02_23_yyk\_map.fits"
! Inverting map 
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 7.508 x 11.8 at -3.629 degrees (North through East)
! Clean map  min=-0.007208  max=0.044257 Jy/beam
! Writing clean map to FITS file: J1021+7655_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 0.0442575 
invert
! Inverting map 
float image_rms
image_rms = imstat(rms)
print "The final image rms is",image_rms
! The final image rms is 0.000361293 
device "J1021+7655_S_2006_02_23_yyk\_map.eps/VPS"
! Attempting to open device: 'J1021+7655_S_2006_02_23_yyk_map.eps/VPS'
loglevs 100*3*image_rms/peak_flux
! The new contour levels are:
!  -2.44903 2.44903 4.89806 9.79612 19.5922 39.1845 78.369
print "clev=",int(3*image_rms*10000)/10000
! clev= 0.001 
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: 7.508 x 11.8 at -3.629 degrees (North through East)
! Clean map  min=-0.007208  max=0.044257 Jy/beam
mapcolor color, 0.9
! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5.
device "J1021+7655_S_2006_02_23_yyk\_map.gif/gif"
! Attempting to open device: 'J1021+7655_S_2006_02_23_yyk_map.gif/gif'
mapplot cln
quit
! Quitting program
! Log file J1021+7655_S_2006_02_23_yyk_uvs.log closed on Wed Jul  5 11:56:48 2006