! Started logfile: 0955+476_S.log on Tue Apr 29 23:25:37 2008
observe 0955+476_S.edt
! Reading UV FITS file: 0955+476_S.edt
! AN table 1: 97 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.299845 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0955+476
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 955 lines of history.
! 
! Reading 17800 visibilities.
![@gonzo7-0.4 0955+476_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 7.0
float win_mult
win_mult = 1.8
float solint
solint = 3.6/6.0
logical doflt
doflt = true
logical doamp
float new_peak
float flux_cutoff
mapsize field_size,field_cell
! Map grid = 1024x1024 pixels with 0.400x0.400 milli-arcsec cellsize.
select
! 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
startmod
! Applying default point source starting model.
! Performing phase self-cal
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 1 Jy
! 
! Correcting IF 1.
!  A total of 1067 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1198 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1090 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1134 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.194530Jy  sigma=0.002123
! Fit after  self-cal, rms=0.192292Jy  sigma=0.002104
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvweight 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.
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.209 mas, bmaj=2.797 mas, bpa=28.77 degrees
! Estimated noise=1055.6 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.657298 Jy
! Total flux subtracted in 50 components = 0.657298 Jy
! Clean residual min=-0.024019 max=0.183354 Jy/beam
! Clean residual mean=-0.000151 rms=0.006157 Jy/beam
! Combined flux in latest and established models = 0.657298 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 0.657298 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.242140Jy  sigma=0.003018
! Fit after  self-cal, rms=0.242139Jy  sigma=0.003018
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.148687 Jy
! Total flux subtracted in 50 components = 0.148687 Jy
! Clean residual min=-0.011194 max=0.053124 Jy/beam
! Clean residual mean=-0.000061 rms=0.003044 Jy/beam
! Combined flux in latest and established models = 0.805985 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 5 components and 0.805985 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.142100Jy  sigma=0.001700
! Fit after  self-cal, rms=0.142100Jy  sigma=0.001700
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0548049 Jy
! Total flux subtracted in 50 components = 0.0548049 Jy
! Clean residual min=-0.009208 max=0.023606 Jy/beam
! Clean residual mean=-0.000029 rms=0.002367 Jy/beam
! Combined flux in latest and established models = 0.86079 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 10 components and 0.86079 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.123595Jy  sigma=0.001426
! Fit after  self-cal, rms=0.123580Jy  sigma=0.001426
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0255878 Jy
! Total flux subtracted in 50 components = 0.0255878 Jy
! Clean residual min=-0.009326 max=0.012302 Jy/beam
! Clean residual mean=-0.000014 rms=0.002188 Jy/beam
! Combined flux in latest and established models = 0.886378 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 18 components and 0.886378 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119130Jy  sigma=0.001355
! Fit after  self-cal, rms=0.119123Jy  sigma=0.001355
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Uniform Weighting CLEAN ***"
! *** Finished Uniform Weighting CLEAN *** 
print "****************************************"
! **************************************** 
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
win_mult = win_mult * 1.6
clean_niter = clean_niter * 2
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.811 mas, bmaj=3.503 mas, bpa=44.14 degrees
! Estimated noise=599.004 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0182802 Jy
! Component: 100  -  total flux cleaned = 0.0277388 Jy
! Total flux subtracted in 100 components = 0.0277388 Jy
! Clean residual min=-0.007334 max=0.008135 Jy/beam
! Clean residual mean=0.000016 rms=0.001873 Jy/beam
! Combined flux in latest and established models = 0.914117 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 30 components and 0.914117 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116934Jy  sigma=0.001320
! Fit after  self-cal, rms=0.116918Jy  sigma=0.001320
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.11     GC        0.98     HH        1.00*    
!   HN        0.98     KK        1.01     KP        0.97     LA        1.01     
!   MC        1.09     MK        1.01     NL        0.95     NY        0.96     
!   ON        1.02     OV        0.96     PT        1.04     SC        0.93     
!   WF        1.14     WZ        1.04     
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.04     GC        0.98     HH        1.00*    
!   HN        1.00     KK        1.04     KP        1.02     LA        1.00     
!   MC        1.07     MK        1.01     NL        0.98     NY        0.93     
!   ON        1.01     OV        0.94     PT        0.96     SC        0.99     
!   WF        1.00*    WZ        0.99     
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.07     GC        0.97     HH        1.00*    
!   HN        1.11     KK        1.03     KP        1.00     LA        0.98     
!   MC        1.43     MK        0.96     NL        0.99     NY        0.98     
!   ON        1.04     OV        0.97     PT        1.00     SC        1.09     
!   WF        1.17     WZ        0.99     
! 
! 
! Correcting IF 4.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.97     GC        1.00     HH        1.00*    
!   HN        1.08     KK        1.05     KP        1.04     LA        1.00*    
!   MC        1.34     MK        0.93     NL        0.99     NY        1.00     
!   ON        1.11     OV        0.86     PT        0.99     SC        1.10     
!   WF        1.22     WZ        0.99     
! 
! 
! Fit before self-cal, rms=0.116918Jy  sigma=0.001320
! Fit after  self-cal, rms=0.103725Jy  sigma=0.001122
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.834 mas, bmaj=3.524 mas, bpa=44.9 degrees
! Estimated noise=598.183 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (4, -4.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00682776 Jy
! Component: 100  -  total flux cleaned = 0.00851884 Jy
! Total flux subtracted in 100 components = 0.00851884 Jy
! Clean residual min=-0.003622 max=0.004895 Jy/beam
! Clean residual mean=0.000012 rms=0.000874 Jy/beam
! Combined flux in latest and established models = 0.922636 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 47 components and 0.922636 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103350Jy  sigma=0.001116
! Fit after  self-cal, rms=0.103331Jy  sigma=0.001115
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * (6.0/3.6)
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 doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (8.4, 10).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00216742 Jy
! Component: 100  -  total flux cleaned = 0.00318024 Jy
! Total flux subtracted in 100 components = 0.00318024 Jy
! Clean residual min=-0.003461 max=0.003595 Jy/beam
! Clean residual mean=0.000016 rms=0.000847 Jy/beam
! Combined flux in latest and established models = 0.925816 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 52 components and 0.925816 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103111Jy  sigma=0.001113
! Fit after  self-cal, rms=0.099541Jy  sigma=0.001066
! Inverting map and beam 
! Estimated beam: bmin=2.831 mas, bmaj=3.519 mas, bpa=44.47 degrees
! Estimated noise=598.711 mJy/beam.
doamp = false
solint = solint / (6.0/3.6)
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 doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00224425 Jy
! Component: 100  -  total flux cleaned = 0.00239374 Jy
! Total flux subtracted in 100 components = 0.00239374 Jy
! Clean residual min=-0.002840 max=0.002787 Jy/beam
! Clean residual mean=0.000010 rms=0.000641 Jy/beam
! Combined flux in latest and established models = 0.92821 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 71 components and 0.928209 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099460Jy  sigma=0.001065
! Fit after  self-cal, rms=0.099462Jy  sigma=0.001065
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0955+476_S
! Writing UV FITS file: 0955+476_S.uvf
! Writing 71 model components to file: 0955+476_S.mod
! wwins: Wrote 3 windows to 0955+476_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.831 x 3.519 at 44.47 degrees (North through East)
! Clean map  min=-0.0027154  max=0.85893 Jy/beam
! Writing clean map to FITS file: 0955+476_S.fits
! Writing difmap environment to: 0955+476_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0955+476_S]
device 0955+476_Suv.ps/vps,1,2
! Attempting to open device: '0955+476_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0955+476_Sim.ps/vps
! Attempting to open device: '0955+476_Sim.ps/vps'
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
loglevs -1,2048,2
! The new contour levels are:
!  -1 1 2 4 8 16 32 64 128 256 512 1024 2048
cmul = imstat(rms)*3
! Inverting map and beam 
! Estimated beam: bmin=2.831 mas, bmaj=3.519 mas, bpa=44.47 degrees
! Estimated noise=598.711 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.831 x 3.519 at 44.47 degrees (North through East)
! Clean map  min=-0.0027154  max=0.85893 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0955+476_S.log closed on Tue Apr 29 23:25:43 2008