! Started logfile: 1216+487_S.log on Tue Apr 29 23:56:44 2008
observe 1216+487_S.edt
! Reading UV FITS file: 1216+487_S.edt
! AN table 1: 75 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.28915 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1216+487
! 
! 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 963 lines of history.
! 
! Reading 13272 visibilities.
![@gonzo7-0.4 1216+487_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 1046 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 993 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 993 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1015 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.559156Jy  sigma=0.007970
! Fit after  self-cal, rms=0.558417Jy  sigma=0.007959
! 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=2.111 mas, bmaj=2.721 mas, bpa=-50.42 degrees
! Estimated noise=1642.69 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 = 0.337493 Jy
! Total flux subtracted in 50 components = 0.337493 Jy
! Clean residual min=-0.022680 max=0.094129 Jy/beam
! Clean residual mean=0.000011 rms=0.005966 Jy/beam
! Combined flux in latest and established models = 0.337493 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 0.337493 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.159870Jy  sigma=0.002419
! Fit after  self-cal, rms=0.159869Jy  sigma=0.002419
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0789768 Jy
! Total flux subtracted in 50 components = 0.0789768 Jy
! Clean residual min=-0.014180 max=0.031251 Jy/beam
! Clean residual mean=0.000008 rms=0.003687 Jy/beam
! Combined flux in latest and established models = 0.41647 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 0.41647 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115407Jy  sigma=0.001709
! Fit after  self-cal, rms=0.115402Jy  sigma=0.001707
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0356719 Jy
! Total flux subtracted in 50 components = 0.0356719 Jy
! Clean residual min=-0.011627 max=0.028527 Jy/beam
! Clean residual mean=0.000006 rms=0.002998 Jy/beam
! Combined flux in latest and established models = 0.452142 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 8 components and 0.452142 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102564Jy  sigma=0.001479
! Fit after  self-cal, rms=0.102490Jy  sigma=0.001478
! Inverting map 
! Added new window around map position (3.6, -1.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0281239 Jy
! Total flux subtracted in 50 components = 0.0281239 Jy
! Clean residual min=-0.009823 max=0.014976 Jy/beam
! Clean residual mean=0.000005 rms=0.002452 Jy/beam
! Combined flux in latest and established models = 0.480265 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 19 components and 0.480265 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093686Jy  sigma=0.001321
! Fit after  self-cal, rms=0.093563Jy  sigma=0.001319
! 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=2.604 mas, bmaj=3.531 mas, bpa=-32.18 degrees
! Estimated noise=757.453 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 = 0.0346106 Jy
! Component: 100  -  total flux cleaned = 0.0564417 Jy
! Total flux subtracted in 100 components = 0.0564417 Jy
! Clean residual min=-0.008076 max=0.012015 Jy/beam
! Clean residual mean=0.000007 rms=0.002487 Jy/beam
! Combined flux in latest and established models = 0.536707 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 39 components and 0.536707 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082339Jy  sigma=0.001103
! Fit after  self-cal, rms=0.082175Jy  sigma=0.001100
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        0.99     HH        1.00*    
!   HN        0.99     KK        1.00     KP        0.96     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.97     NY        1.03     
!   ON        1.05     OV        0.97     PT        1.00*    SC        1.00     
!   WF        1.00*    WZ        1.00     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.97     GC        0.99     HH        1.00*    
!   HN        0.98     KK        1.00     KP        0.97     LA        0.97     
!   MC        1.05     MK        1.01     NL        0.97     NY        1.01     
!   ON        1.01     OV        0.97     PT        1.00*    SC        1.01     
!   WF        1.00*    WZ        0.95     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.97     GC        1.00     HH        1.00*    
!   HN        0.99     KK        0.98     KP        0.96     LA        0.96     
!   MC        1.06     MK        1.01     NL        0.97     NY        1.03     
!   ON        1.04     OV        0.97     PT        1.00*    SC        1.01     
!   WF        1.00*    WZ        0.92     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.97     GC        1.00     HH        1.00*    
!   HN        0.99     KK        1.00     KP        0.96     LA        1.00*    
!   MC        1.08     MK        1.01     NL        0.97     NY        1.03     
!   ON        1.08     OV        0.97     PT        1.00*    SC        1.01     
!   WF        1.00*    WZ        0.99     
! 
! 
! Fit before self-cal, rms=0.082175Jy  sigma=0.001100
! Fit after  self-cal, rms=0.079797Jy  sigma=0.001064
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.627 mas, bmaj=3.585 mas, bpa=-31.57 degrees
! Estimated noise=740.253 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 = 0.00997488 Jy
! Component: 100  -  total flux cleaned = 0.0151493 Jy
! Total flux subtracted in 100 components = 0.0151493 Jy
! Clean residual min=-0.005241 max=0.011067 Jy/beam
! Clean residual mean=0.000006 rms=0.001514 Jy/beam
! Combined flux in latest and established models = 0.551857 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 54 components and 0.551856 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078806Jy  sigma=0.001044
! Fit after  self-cal, rms=0.078774Jy  sigma=0.001042
! Inverting map 
! Added new window around map position (8.8, -2.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00902577 Jy
! Component: 100  -  total flux cleaned = 0.0134185 Jy
! Total flux subtracted in 100 components = 0.0134185 Jy
! Clean residual min=-0.004916 max=0.005129 Jy/beam
! Clean residual mean=0.000007 rms=0.001161 Jy/beam
! Combined flux in latest and established models = 0.565275 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 69 components and 0.565275 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077943Jy  sigma=0.001025
! Fit after  self-cal, rms=0.077908Jy  sigma=0.001024
! 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)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00366007 Jy
! Component: 100  -  total flux cleaned = 0.00654311 Jy
! Total flux subtracted in 100 components = 0.00654311 Jy
! Clean residual min=-0.004693 max=0.004713 Jy/beam
! Clean residual mean=0.000007 rms=0.001077 Jy/beam
! Combined flux in latest and established models = 0.571818 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 75 components and 0.571818 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077735Jy  sigma=0.001021
! Fit after  self-cal, rms=0.076989Jy  sigma=0.001012
! Inverting map and beam 
! Estimated beam: bmin=2.62 mas, bmaj=3.591 mas, bpa=-31.17 degrees
! Estimated noise=739.95 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 = 0.00391552 Jy
! Component: 100  -  total flux cleaned = 0.00663608 Jy
! Total flux subtracted in 100 components = 0.00663608 Jy
! Clean residual min=-0.004201 max=0.003824 Jy/beam
! Clean residual mean=0.000004 rms=0.000904 Jy/beam
! Combined flux in latest and established models = 0.578454 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 87 components and 0.578454 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076792Jy  sigma=0.001009
! Fit after  self-cal, rms=0.076795Jy  sigma=0.001008
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1216+487_S
! Writing UV FITS file: 1216+487_S.uvf
! Writing 87 model components to file: 1216+487_S.mod
! wwins: Wrote 3 windows to 1216+487_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.62 x 3.591 at -31.17 degrees (North through East)
! Clean map  min=-0.0040083  max=0.45001 Jy/beam
! Writing clean map to FITS file: 1216+487_S.fits
! Writing difmap environment to: 1216+487_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1216+487_S]
device 1216+487_Suv.ps/vps,1,2
! Attempting to open device: '1216+487_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1216+487_Sim.ps/vps
! Attempting to open device: '1216+487_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=2.62 mas, bmaj=3.591 mas, bpa=-31.17 degrees
! Estimated noise=739.95 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.62 x 3.591 at -31.17 degrees (North through East)
! Clean map  min=-0.0040083  max=0.45001 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1216+487_S.log closed on Tue Apr 29 23:56:50 2008