! Started logfile: 0119+041_X.log on Thu Feb 14 22:59:36 2008
observe 0119+041_X.edt
! Reading UV FITS file: 0119+041_X.edt
! AN table 1: 52 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.163462 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0119+041
! 
! 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 1222 lines of history.
! 
! Reading 4624 visibilities.
![@gonzo8-0.1 0119+041_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 704 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 704 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 721 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 739 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.234235Jy  sigma=0.003237
! Fit after  self-cal, rms=0.233560Jy  sigma=0.003230
! 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=0.6526 mas, bmaj=1.788 mas, bpa=-11.99 degrees
! Estimated noise=1962.49 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 = 0.707475 Jy
! Total flux subtracted in 50 components = 0.707475 Jy
! Clean residual min=-0.049136 max=0.218752 Jy/beam
! Clean residual mean=0.001553 rms=0.021654 Jy/beam
! Combined flux in latest and established models = 0.707475 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 0.707475 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.374316Jy  sigma=0.005698
! Fit after  self-cal, rms=0.374289Jy  sigma=0.005698
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.23346 Jy
! Total flux subtracted in 50 components = 0.23346 Jy
! Clean residual min=-0.027118 max=0.107104 Jy/beam
! Clean residual mean=0.000889 rms=0.011599 Jy/beam
! Combined flux in latest and established models = 0.940935 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 12 components and 0.940935 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209516Jy  sigma=0.003160
! Fit after  self-cal, rms=0.209333Jy  sigma=0.003159
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.117928 Jy
! Total flux subtracted in 50 components = 0.117928 Jy
! Clean residual min=-0.017129 max=0.054994 Jy/beam
! Clean residual mean=0.000553 rms=0.006859 Jy/beam
! Combined flux in latest and established models = 1.05886 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 14 components and 1.05886 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139722Jy  sigma=0.002007
! Fit after  self-cal, rms=0.139484Jy  sigma=0.002006
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0638851 Jy
! Total flux subtracted in 50 components = 0.0638851 Jy
! Clean residual min=-0.012431 max=0.033521 Jy/beam
! Clean residual mean=0.000371 rms=0.004546 Jy/beam
! Combined flux in latest and established models = 1.12275 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 29 components and 1.12275 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110581Jy  sigma=0.001480
! Fit after  self-cal, rms=0.110445Jy  sigma=0.001479
! 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=0.9031 mas, bmaj=1.893 mas, bpa=-12.04 degrees
! Estimated noise=1233.01 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 = 0.0517117 Jy
! Component: 100  -  total flux cleaned = 0.0779666 Jy
! Total flux subtracted in 100 components = 0.0779666 Jy
! Clean residual min=-0.006094 max=0.017861 Jy/beam
! Clean residual mean=0.001384 rms=0.002407 Jy/beam
! Combined flux in latest and established models = 1.20071 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 51 components and 1.20071 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090164Jy  sigma=0.001065
! Fit after  self-cal, rms=0.090105Jy  sigma=0.001065
! Inverting map 
! Added new window around map position (1.1, -0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0169483 Jy
! Component: 100  -  total flux cleaned = 0.0263769 Jy
! Total flux subtracted in 100 components = 0.0263769 Jy
! Clean residual min=-0.004473 max=0.006477 Jy/beam
! Clean residual mean=0.000862 rms=0.001440 Jy/beam
! Combined flux in latest and established models = 1.22709 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 66 components and 1.22709 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087366Jy  sigma=0.001009
! Fit after  self-cal, rms=0.087236Jy  sigma=0.001008
! 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:
!   BR        1.00     FD        1.00     GC        1.00*    HN        0.99     
!   KK        1.03     KP        1.00     LA        1.00     MC        1.00*    
!   MK        1.00     NL        1.00     NY        1.02     ON        0.83     
!   OV        1.00     PT        1.00     SC        1.01     WF        0.99     
!   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        1.00     FD        1.00     GC        1.00*    HN        0.99     
!   KK        0.99     KP        1.00     LA        1.00     MC        1.00*    
!   MK        0.99     NL        1.00     NY        1.02     ON        0.98     
!   OV        1.00     PT        1.00     SC        1.01     WF        0.99     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00*    HN        0.99     
!   KK        0.99     KP        1.00     LA        1.00     MC        1.00*    
!   MK        0.99     NL        1.00     NY        1.02     ON        0.99     
!   OV        0.99     PT        1.00     SC        1.01     WF        1.00     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00*    HN        0.99     
!   KK        1.00     KP        1.00     LA        1.00     MC        1.00*    
!   MK        0.99     NL        1.00     NY        1.02     ON        1.00     
!   OV        0.99     PT        1.00     SC        1.01     WF        1.00     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.087236Jy  sigma=0.001008
! Fit after  self-cal, rms=0.086669Jy  sigma=0.001001
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9029 mas, bmaj=1.911 mas, bpa=-12.14 degrees
! Estimated noise=1231.75 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 = 0.0053369 Jy
! Component: 100  -  total flux cleaned = 0.00696301 Jy
! Total flux subtracted in 100 components = 0.00696301 Jy
! Clean residual min=-0.004559 max=0.005462 Jy/beam
! Clean residual mean=0.000426 rms=0.001290 Jy/beam
! Combined flux in latest and established models = 1.23405 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 79 components and 1.23405 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086294Jy  sigma=0.000997
! Fit after  self-cal, rms=0.086241Jy  sigma=0.000997
! 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 = 0.000887489 Jy
! Component: 100  -  total flux cleaned = 0.00114964 Jy
! Total flux subtracted in 100 components = 0.00114964 Jy
! Clean residual min=-0.004343 max=0.005443 Jy/beam
! Clean residual mean=0.000404 rms=0.001272 Jy/beam
! Combined flux in latest and established models = 1.2352 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 83 components and 1.2352 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086121Jy  sigma=0.000995
! Fit after  self-cal, rms=0.085546Jy  sigma=0.000988
! Inverting map and beam 
! Estimated beam: bmin=0.9032 mas, bmaj=1.912 mas, bpa=-12.11 degrees
! Estimated noise=1232.06 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 = 0.00246344 Jy
! Component: 100  -  total flux cleaned = 0.00272906 Jy
! Total flux subtracted in 100 components = 0.00272906 Jy
! Clean residual min=-0.004538 max=0.005206 Jy/beam
! Clean residual mean=0.000269 rms=0.001226 Jy/beam
! Combined flux in latest and established models = 1.23793 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 92 components and 1.23793 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085416Jy  sigma=0.000986
! Fit after  self-cal, rms=0.085388Jy  sigma=0.000986
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0119+041_X
! Writing UV FITS file: 0119+041_X.uvf
! Writing 92 model components to file: 0119+041_X.mod
! wwins: Wrote 2 windows to 0119+041_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9032 x 1.912 at -12.11 degrees (North through East)
! Clean map  min=-0.004347  max=0.98902 Jy/beam
! Writing clean map to FITS file: 0119+041_X.fits
! Writing difmap environment to: 0119+041_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0119+041_X]
device 0119+041_Xuv.ps/vps,1,2
! Attempting to open device: '0119+041_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0119+041_Xim.ps/vps
! Attempting to open device: '0119+041_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=0.9032 mas, bmaj=1.912 mas, bpa=-12.11 degrees
! Estimated noise=1232.06 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9032 x 1.912 at -12.11 degrees (North through East)
! Clean map  min=-0.004347  max=0.98902 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0119+041_X.log closed on Thu Feb 14 22:59:42 2008