! Started logfile: 1435+638_X.log_1 on Fri Jul 22 16:00:02 2005
observe 1435+638_X.edt
! Reading UV FITS file: 1435+638_X.edt
! AN table 1: 45 integrations on 171 of 171 possible baselines.
! AN table 2: 64 integrations on 171 of 171 possible baselines.
! AN table 3: 49 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.173847 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1435+638
! 
! 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 1818 lines of history.
! 
! Reading 18788 visibilities.
![@gonzo8-0.1 1435+638_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 520 telescope corrections were flagged in sub-array 1.
!  A total of 861 telescope corrections were flagged in sub-array 2.
!  A total of 678 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 516 telescope corrections were flagged in sub-array 1.
!  A total of 863 telescope corrections were flagged in sub-array 2.
!  A total of 678 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 511 telescope corrections were flagged in sub-array 1.
!  A total of 860 telescope corrections were flagged in sub-array 2.
!  A total of 678 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 515 telescope corrections were flagged in sub-array 1.
!  A total of 862 telescope corrections were flagged in sub-array 2.
!  A total of 678 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.663544Jy  sigma=0.010871
! Fit after  self-cal, rms=0.657333Jy  sigma=0.010763
! 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=0.5516 mas, bmaj=1.38 mas, bpa=6.997 degrees
! Estimated noise=799.743 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 = 0.255835 Jy
! Total flux subtracted in 50 components = 0.255835 Jy
! Clean residual min=-0.028867 max=0.106775 Jy/beam
! Clean residual mean=-0.000357 rms=0.009830 Jy/beam
! Combined flux in latest and established models = 0.255835 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 12 components and 0.255835 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.308027Jy  sigma=0.005750
! Fit after  self-cal, rms=0.307707Jy  sigma=0.005749
! Inverting map 
! Added new window around map position (-0.7, -0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.126437 Jy
! Total flux subtracted in 50 components = 0.126437 Jy
! Clean residual min=-0.025195 max=0.090659 Jy/beam
! Clean residual mean=-0.000249 rms=0.007546 Jy/beam
! Combined flux in latest and established models = 0.382272 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 22 components and 0.382272 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.239560Jy  sigma=0.004394
! Fit after  self-cal, rms=0.238603Jy  sigma=0.004385
! Inverting map 
! Added new window around map position (1.4, 0.5).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0943067 Jy
! Total flux subtracted in 50 components = 0.0943067 Jy
! Clean residual min=-0.020866 max=0.064523 Jy/beam
! Clean residual mean=-0.000173 rms=0.005900 Jy/beam
! Combined flux in latest and established models = 0.476579 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 30 components and 0.476579 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.194293Jy  sigma=0.003496
! Fit after  self-cal, rms=0.193332Jy  sigma=0.003482
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0681715 Jy
! Total flux subtracted in 50 components = 0.0681715 Jy
! Clean residual min=-0.016930 max=0.051999 Jy/beam
! Clean residual mean=-0.000118 rms=0.004788 Jy/beam
! Combined flux in latest and established models = 0.54475 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 37 components and 0.54475 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164213Jy  sigma=0.002876
! Fit after  self-cal, rms=0.163482Jy  sigma=0.002864
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.050567 Jy
! Total flux subtracted in 50 components = 0.050567 Jy
! Clean residual min=-0.014066 max=0.043138 Jy/beam
! Clean residual mean=-0.000077 rms=0.004042 Jy/beam
! Combined flux in latest and established models = 0.595317 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 0.595317 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.144704Jy  sigma=0.002455
! Fit after  self-cal, rms=0.144153Jy  sigma=0.002446
! Inverting map 
! Added new window around map position (-1.6, -0.9).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0426572 Jy
! Total flux subtracted in 50 components = 0.0426572 Jy
! Clean residual min=-0.011632 max=0.023157 Jy/beam
! Clean residual mean=-0.000044 rms=0.003447 Jy/beam
! Combined flux in latest and established models = 0.637975 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 50 components and 0.637975 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.131286Jy  sigma=0.002159
! Fit after  self-cal, rms=0.131121Jy  sigma=0.002158
! 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=0.7425 mas, bmaj=1.641 mas, bpa=3.91 degrees
! Estimated noise=381.231 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 = 0.0509401 Jy
! Component: 100  -  total flux cleaned = 0.0790254 Jy
! Total flux subtracted in 100 components = 0.0790254 Jy
! Clean residual min=-0.011803 max=0.029081 Jy/beam
! Clean residual mean=0.000003 rms=0.003888 Jy/beam
! Combined flux in latest and established models = 0.717 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 37 model components to the UV plane model.
! The established model now contains 82 components and 0.717 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115578Jy  sigma=0.001750
! Fit after  self-cal, rms=0.115324Jy  sigma=0.001748
! 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 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00*    GC        1.01     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.93     LA        1.08     
!   MC        1.08     MK        1.00*    NL        0.91     NY        1.30     
!   ON        0.76     OV        0.99     PT        0.92     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.28     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.92     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.04     LA        1.03     
!   MC        1.00*    MK        1.61     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.90     PT        0.92     SC        0.93     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.94     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.29     KK        1.00*    KP        1.05     LA        0.96     
!   MC        1.00*    MK        1.02     NL        0.94     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        0.93     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  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        0.93     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.93     LA        1.07     
!   MC        1.03     MK        1.00*    NL        0.90     NY        1.27     
!   ON        0.83     OV        0.99     PT        0.94     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.29     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.92     GC        1.00*    HH        1.00*    
!   HN        0.97     KK        1.00*    KP        1.04     LA        1.04     
!   MC        1.00*    MK        1.33     NL        0.95     NY        1.00*    
!   ON        1.00*    OV        0.89     PT        0.93     SC        0.92     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.96     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.24     KK        1.00*    KP        1.03     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.94     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        0.94     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.00*    GC        0.94     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.94     LA        1.09     
!   MC        0.95     MK        1.00*    NL        0.90     NY        1.11     
!   ON        0.87     OV        0.97     PT        0.93     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.36     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        0.94     KK        1.00*    KP        1.02     LA        1.00     
!   MC        1.00*    MK        1.05     NL        0.95     NY        1.00*    
!   ON        1.00*    OV        0.91     PT        0.94     SC        0.91     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.95     FD        0.92     GC        1.00*    HH        1.00*    
!   HN        1.09     KK        1.00*    KP        1.01     LA        0.98     
!   MC        1.00*    MK        1.10     NL        0.92     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.02     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.00*    GC        1.00     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.93     LA        1.09     
!   MC        0.94     MK        1.00*    NL        0.91     NY        0.99     
!   ON        0.88     OV        0.98     PT        0.94     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.36     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        1.04     LA        1.03     
!   MC        1.00*    MK        1.07     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.91     PT        0.94     SC        0.94     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.92     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.15     KK        1.00*    KP        1.02     LA        0.98     
!   MC        1.00*    MK        1.11     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.00     SC        0.99     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.115324Jy  sigma=0.001748
! Fit after  self-cal, rms=0.108277Jy  sigma=0.001544
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7533 mas, bmaj=1.666 mas, bpa=3.662 degrees
! Estimated noise=371.731 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 (-4.9, -7.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.017588 Jy
! Component: 100  -  total flux cleaned = 0.0215786 Jy
! Total flux subtracted in 100 components = 0.0215786 Jy
! Clean residual min=-0.007800 max=0.009825 Jy/beam
! Clean residual mean=0.000044 rms=0.002128 Jy/beam
! Combined flux in latest and established models = 0.738579 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 103 components and 0.738579 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106064Jy  sigma=0.001477
! Fit after  self-cal, rms=0.105869Jy  sigma=0.001469
! 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 = 0.0050376 Jy
! Component: 100  -  total flux cleaned = 0.00581572 Jy
! Total flux subtracted in 100 components = 0.00581572 Jy
! Clean residual min=-0.007730 max=0.009842 Jy/beam
! Clean residual mean=0.000032 rms=0.001996 Jy/beam
! Combined flux in latest and established models = 0.744394 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 112 components and 0.744394 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105207Jy  sigma=0.001449
! Fit after  self-cal, rms=0.105225Jy  sigma=0.001370
! Inverting map and beam 
! Estimated beam: bmin=0.7599 mas, bmaj=1.663 mas, bpa=3.792 degrees
! Estimated noise=374.495 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 (-6.5, -8.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0101843 Jy
! Component: 100  -  total flux cleaned = 0.012767 Jy
! Total flux subtracted in 100 components = 0.012767 Jy
! Clean residual min=-0.007363 max=0.008484 Jy/beam
! Clean residual mean=0.000013 rms=0.001543 Jy/beam
! Combined flux in latest and established models = 0.757161 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 126 components and 0.757161 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104368Jy  sigma=0.001345
! Fit after  self-cal, rms=0.104332Jy  sigma=0.001343
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1435+638_X
! Writing UV FITS file: 1435+638_X.uvf
! Writing 126 model components to file: 1435+638_X.mod
! wwins: Wrote 6 windows to 1435+638_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7599 x 1.663 at 3.792 degrees (North through East)
! Clean map  min=-0.007408  max=0.33444 Jy/beam
! Writing clean map to FITS file: 1435+638_X.fits
! Writing difmap environment to: 1435+638_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1435+638_X]
device 1435+638_Xuv.ps/vps,1,2
! Attempting to open device: '1435+638_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1435+638_Xim.ps/vps
! Attempting to open device: '1435+638_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=0.7599 mas, bmaj=1.663 mas, bpa=3.792 degrees
! Estimated noise=374.495 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7599 x 1.663 at 3.792 degrees (North through East)
! Clean map  min=-0.007408  max=0.33444 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1435+638_X.log_1 closed on Fri Jul 22 16:01:05 2005