! Started logfile: 1246+489_S.log on Wed Oct 31 11:19:13 2007
observe 1246+489_S.edt
! Reading UV FITS file: 1246+489_S.edt
! AN table 1: 74 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.235006 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1246+489
! 
! 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 970 lines of history.
! 
! Reading 7304 visibilities.
![@gonzo7-0.4 1246+489_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 737 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 581 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 581 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 624 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.881513Jy  sigma=0.010442
! Fit after  self-cal, rms=0.880912Jy  sigma=0.010452
! 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=1.848 mas, bmaj=5.081 mas, bpa=-6.954 degrees
! Estimated noise=1540.77 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 = 0.0954829 Jy
! Total flux subtracted in 50 components = 0.0954829 Jy
! Clean residual min=-0.009154 max=0.026633 Jy/beam
! Clean residual mean=-0.000037 rms=0.002560 Jy/beam
! Combined flux in latest and established models = 0.0954829 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 0.0954829 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107890Jy  sigma=0.001115
! Fit after  self-cal, rms=0.107891Jy  sigma=0.001115
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.021411 Jy
! Total flux subtracted in 50 components = 0.021411 Jy
! Clean residual min=-0.007422 max=0.007385 Jy/beam
! Clean residual mean=-0.000020 rms=0.001820 Jy/beam
! Combined flux in latest and established models = 0.116894 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.116894 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104058Jy  sigma=0.001078
! Fit after  self-cal, rms=0.104056Jy  sigma=0.001078
! 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=2.463 mas, bmaj=5.927 mas, bpa=-9.057 degrees
! Estimated noise=793.389 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 = 0.00658335 Jy
! Component: 100  -  total flux cleaned = 0.00979812 Jy
! Total flux subtracted in 100 components = 0.00979812 Jy
! Clean residual min=-0.006151 max=0.005367 Jy/beam
! Clean residual mean=-0.000050 rms=0.001498 Jy/beam
! Combined flux in latest and established models = 0.126692 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 16 components and 0.126692 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103560Jy  sigma=0.001075
! Fit after  self-cal, rms=0.103558Jy  sigma=0.001075
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.12     HH        1.00*    KB        0.92     KP        1.16     
!   LA        1.06     MK        0.85     NL        0.97     NY        1.00*    
!   OV        0.87     PT        0.95     SC        0.89     TC        1.00*    
!   WF        1.00*    WZ        1.00*    BR        1.09     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.08     HH        1.00*    KB        1.05     KP        0.89     
!   LA        0.85     MK        0.95     NL        1.03     NY        1.00*    
!   OV        1.01     PT        0.89     SC        0.88     TC        1.00*    
!   WF        1.00*    WZ        1.00*    BR        1.15     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.08     HH        1.00*    KB        1.01     KP        1.06     
!   LA        0.94     MK        0.99     NL        1.01     NY        1.00*    
!   OV        1.07     PT        0.85     SC        0.90     TC        1.00*    
!   WF        1.00*    WZ        1.00*    BR        1.15     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.04     HH        1.00*    KB        1.00*    KP        0.99     
!   LA        0.94     MK        0.98     NL        1.08     NY        1.00*    
!   OV        0.98     PT        0.85     SC        1.04     TC        1.00*    
!   WF        1.00*    WZ        1.00*    BR        1.10     
! 
! 
! Fit before self-cal, rms=0.103558Jy  sigma=0.001075
! Fit after  self-cal, rms=0.097731Jy  sigma=0.001062
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.461 mas, bmaj=5.926 mas, bpa=-9.327 degrees
! Estimated noise=785.296 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 = -0.000200584 Jy
! Component: 100  -  total flux cleaned = -0.000198221 Jy
! Total flux subtracted in 100 components = -0.000198221 Jy
! Clean residual min=-0.003396 max=0.003278 Jy/beam
! Clean residual mean=-0.000015 rms=0.000913 Jy/beam
! Combined flux in latest and established models = 0.126494 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 21 components and 0.126494 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097721Jy  sigma=0.001061
! Fit after  self-cal, rms=0.097692Jy  sigma=0.001061
! 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 = -2.80903e-06 Jy
! Component: 100  -  total flux cleaned = -2.7066e-05 Jy
! Total flux subtracted in 100 components = -2.7066e-05 Jy
! Clean residual min=-0.003365 max=0.003240 Jy/beam
! Clean residual mean=-0.000016 rms=0.000908 Jy/beam
! Combined flux in latest and established models = 0.126467 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 26 components and 0.126467 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097687Jy  sigma=0.001061
! Fit after  self-cal, rms=0.098357Jy  sigma=0.001046
! Inverting map and beam 
! Estimated beam: bmin=2.472 mas, bmaj=5.903 mas, bpa=-9.366 degrees
! Estimated noise=788.843 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 = 0.000126386 Jy
! Component: 100  -  total flux cleaned = 1.16995e-05 Jy
! Total flux subtracted in 100 components = 1.16995e-05 Jy
! Clean residual min=-0.003218 max=0.003528 Jy/beam
! Clean residual mean=-0.000017 rms=0.000764 Jy/beam
! Combined flux in latest and established models = 0.126478 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 27 components and 0.126478 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098350Jy  sigma=0.001046
! Fit after  self-cal, rms=0.098363Jy  sigma=0.001046
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1246+489_S
! Writing UV FITS file: 1246+489_S.uvf
! Writing 27 model components to file: 1246+489_S.mod
! wwins: Wrote 1 windows to 1246+489_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.472 x 5.903 at -9.366 degrees (North through East)
! Clean map  min=-0.0030541  max=0.12069 Jy/beam
! Writing clean map to FITS file: 1246+489_S.fits
! Writing difmap environment to: 1246+489_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1246+489_S]
device 1246+489_Suv.ps/vps,1,2
! Attempting to open device: '1246+489_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1246+489_Sim.ps/vps
! Attempting to open device: '1246+489_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=2.472 mas, bmaj=5.903 mas, bpa=-9.366 degrees
! Estimated noise=788.843 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.472 x 5.903 at -9.366 degrees (North through East)
! Clean map  min=-0.0030541  max=0.12069 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1246+489_S.log closed on Wed Oct 31 11:19:30 2007