! Started logfile: 1749+096_X.log on Wed May 14 15:48:32 2008
observe 1749+096_X.edt
! Reading UV FITS file: 1749+096_X.edt
! AN table 1: 33 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.117449 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1749+096
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 941 lines of history.
! 
! Reading 2372 visibilities.
![@gonzo8-0.1 1749+096_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
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 0.100x0.100 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 449 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 483 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 455 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 466 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.783052Jy  sigma=0.025322
! Fit after  self-cal, rms=1.787288Jy  sigma=0.025434
! 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=0.6491 mas, bmaj=1.469 mas, bpa=-11.66 degrees
! Estimated noise=1698.42 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 = 2.15117 Jy
! Total flux subtracted in 50 components = 2.15117 Jy
! Clean residual min=-0.095207 max=0.599943 Jy/beam
! Clean residual mean=-0.000368 rms=0.035611 Jy/beam
! Combined flux in latest and established models = 2.15117 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 2.15117 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.671965Jy  sigma=0.009992
! Fit after  self-cal, rms=0.671965Jy  sigma=0.009992
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.470894 Jy
! Total flux subtracted in 50 components = 0.470894 Jy
! Clean residual min=-0.049753 max=0.142895 Jy/beam
! Clean residual mean=-0.000083 rms=0.015728 Jy/beam
! Combined flux in latest and established models = 2.62207 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 2.62207 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.305519Jy  sigma=0.004422
! Fit after  self-cal, rms=0.305532Jy  sigma=0.004421
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.152765 Jy
! Total flux subtracted in 50 components = 0.152765 Jy
! Clean residual min=-0.042269 max=0.075358 Jy/beam
! Clean residual mean=0.000004 rms=0.012044 Jy/beam
! Combined flux in latest and established models = 2.77483 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 21 components and 2.77483 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.243279Jy  sigma=0.003261
! Fit after  self-cal, rms=0.243259Jy  sigma=0.003261
! 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=0.7951 mas, bmaj=1.646 mas, bpa=-9.502 degrees
! Estimated noise=1252.02 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 = 0.103096 Jy
! Component: 100  -  total flux cleaned = 0.158107 Jy
! Total flux subtracted in 100 components = 0.158107 Jy
! Clean residual min=-0.030574 max=0.046042 Jy/beam
! Clean residual mean=0.000384 rms=0.008114 Jy/beam
! Combined flux in latest and established models = 2.93294 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 37 components and 2.93294 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209596Jy  sigma=0.002556
! Fit after  self-cal, rms=0.209451Jy  sigma=0.002555
! 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 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        1.02     GC        0.99     HH        1.00*    
!   HN        0.97     KK        0.97     KP        0.97     LA        0.98     
!   MC        1.00*    MK        1.02     NL        0.98     NY        1.15     
!   ON        1.11     OV        0.98     PT        1.01     SC        1.07     
!   WF        0.98     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.00     GC        1.01     HH        1.00*    
!   HN        0.97     KK        1.02     KP        0.97     LA        1.00     
!   MC        1.00*    MK        1.00     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.05     SC        1.07     
!   WF        0.98     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.03     GC        1.02     HH        1.00*    
!   HN        0.97     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00*    MK        0.99     NL        0.98     NY        1.19     
!   ON        1.16     OV        0.98     PT        1.04     SC        1.09     
!   WF        1.08     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.08     HH        1.00*    
!   HN        0.96     KK        0.99     KP        0.98     LA        1.00     
!   MC        1.00*    MK        0.97     NL        0.99     NY        1.20     
!   ON        1.14     OV        0.98     PT        1.07     SC        1.15     
!   WF        1.12     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.209451Jy  sigma=0.002555
! Fit after  self-cal, rms=0.143699Jy  sigma=0.001838
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8079 mas, bmaj=1.676 mas, bpa=-10.21 degrees
! Estimated noise=1254.69 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)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0111761 Jy
! Component: 100  -  total flux cleaned = 0.0105614 Jy
! Total flux subtracted in 100 components = 0.0105614 Jy
! Clean residual min=-0.023156 max=0.029413 Jy/beam
! Clean residual mean=0.000405 rms=0.005204 Jy/beam
! Combined flux in latest and established models = 2.9435 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 42 components and 2.9435 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.138251Jy  sigma=0.001757
! Fit after  self-cal, rms=0.137901Jy  sigma=0.001753
! 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 = -0.000142323 Jy
! Component: 100  -  total flux cleaned = -0.00224684 Jy
! Total flux subtracted in 100 components = -0.00224684 Jy
! Clean residual min=-0.022494 max=0.028662 Jy/beam
! Clean residual mean=0.000405 rms=0.005057 Jy/beam
! Combined flux in latest and established models = 2.94125 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 48 components and 2.94125 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.136440Jy  sigma=0.001729
! Fit after  self-cal, rms=0.109159Jy  sigma=0.001259
! Inverting map and beam 
! Estimated beam: bmin=0.8078 mas, bmaj=1.676 mas, bpa=-10.12 degrees
! Estimated noise=1256 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)
! Added new window around map position (1.2, 1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0177648 Jy
! Component: 100  -  total flux cleaned = 0.0171968 Jy
! Total flux subtracted in 100 components = 0.0171968 Jy
! Clean residual min=-0.008104 max=0.011045 Jy/beam
! Clean residual mean=0.000239 rms=0.002091 Jy/beam
! Combined flux in latest and established models = 2.95845 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 62 components and 2.95845 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106397Jy  sigma=0.001206
! Fit after  self-cal, rms=0.105862Jy  sigma=0.001200
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1749+096_X
! Writing UV FITS file: 1749+096_X.uvf
! Writing 62 model components to file: 1749+096_X.mod
! wwins: Wrote 2 windows to 1749+096_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8078 x 1.676 at -10.12 degrees (North through East)
! Clean map  min=-0.0084491  max=2.7796 Jy/beam
! Writing clean map to FITS file: 1749+096_X.fits
! Writing difmap environment to: 1749+096_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1749+096_X]
device 1749+096_Xuv.ps/vps,1,2
! Attempting to open device: '1749+096_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1749+096_Xim.ps/vps
! Attempting to open device: '1749+096_Xim.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=0.8078 mas, bmaj=1.676 mas, bpa=-10.12 degrees
! Estimated noise=1256 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8078 x 1.676 at -10.12 degrees (North through East)
! Clean map  min=-0.0084491  max=2.7796 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1749+096_X.log closed on Wed May 14 15:48:41 2008