! Started logfile: 1926+087_X.log on Thu Apr 17 14:07:52 2008
observe 1926+087_X.edt
! Reading UV FITS file: 1926+087_X.edt
! AN table 1: 125 integrations on 136 of 136 possible baselines.
! AN table 2: 79 integrations on 136 of 136 possible baselines.
! AN table 3: 41 integrations on 136 of 136 possible baselines.
! AN table 4: 60 integrations on 136 of 136 possible baselines.
! AN table 5: 47 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.0481701 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1926+087
! 
! 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 1142 lines of history.
! 
! Reading 9224 visibilities.
![@gonzo7-0.1 1926+087_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 = 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 0.100x0.100 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 2083 telescope corrections were flagged in sub-array 1.
!  A total of 1343 telescope corrections were flagged in sub-array 2.
!  A total of 533 telescope corrections were flagged in sub-array 3.
!  A total of 854 telescope corrections were flagged in sub-array 4.
!  A total of 419 telescope corrections were flagged in sub-array 5.
! 
! Correcting IF 2.
!  A total of 2002 telescope corrections were flagged in sub-array 1.
!  A total of 1343 telescope corrections were flagged in sub-array 2.
!  A total of 533 telescope corrections were flagged in sub-array 3.
!  A total of 854 telescope corrections were flagged in sub-array 4.
!  A total of 460 telescope corrections were flagged in sub-array 5.
! 
! Correcting IF 3.
!  A total of 2083 telescope corrections were flagged in sub-array 1.
!  A total of 1343 telescope corrections were flagged in sub-array 2.
!  A total of 533 telescope corrections were flagged in sub-array 3.
!  A total of 854 telescope corrections were flagged in sub-array 4.
!  A total of 460 telescope corrections were flagged in sub-array 5.
! 
! Correcting IF 4.
!  A total of 2125 telescope corrections were flagged in sub-array 1.
!  A total of 1343 telescope corrections were flagged in sub-array 2.
!  A total of 533 telescope corrections were flagged in sub-array 3.
!  A total of 854 telescope corrections were flagged in sub-array 4.
!  A total of 460 telescope corrections were flagged in sub-array 5.
! 
! Fit before self-cal, rms=0.845559Jy  sigma=0.011781
! Fit after  self-cal, rms=0.831914Jy  sigma=0.011132
! 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=0.8981 mas, bmaj=2.947 mas, bpa=7.927 degrees
! Estimated noise=1650.16 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 = 0.133407 Jy
! Total flux subtracted in 50 components = 0.133407 Jy
! Clean residual min=-0.017089 max=0.037212 Jy/beam
! Clean residual mean=0.000247 rms=0.005206 Jy/beam
! Combined flux in latest and established models = 0.133407 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 0.133407 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119312Jy  sigma=0.001343
! Fit after  self-cal, rms=0.119312Jy  sigma=0.001343
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.032529 Jy
! Total flux subtracted in 50 components = 0.032529 Jy
! Clean residual min=-0.014696 max=0.016324 Jy/beam
! Clean residual mean=0.000169 rms=0.003804 Jy/beam
! Combined flux in latest and established models = 0.165936 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 0.165936 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111631Jy  sigma=0.001230
! Fit after  self-cal, rms=0.111599Jy  sigma=0.001230
! 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=1.253 mas, bmaj=3.656 mas, bpa=10.28 degrees
! Estimated noise=655.288 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 = 0.0180362 Jy
! Component: 100  -  total flux cleaned = 0.0266005 Jy
! Total flux subtracted in 100 components = 0.0266005 Jy
! Clean residual min=-0.010914 max=0.009501 Jy/beam
! Clean residual mean=0.000596 rms=0.002729 Jy/beam
! Combined flux in latest and established models = 0.192536 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 33 components and 0.192536 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108673Jy  sigma=0.001196
! Fit after  self-cal, rms=0.108575Jy  sigma=0.001195
! 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 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.80     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.97     LA        0.98     MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        0.82     
!   KK        1.23     KP        1.00*    LA        1.00*    MK        1.15     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.79     WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 5:
!   BR        1.01     FD        1.11     HN        1.06     KB        1.00*    
!   KK        1.00*    KP        1.06     LA        1.07     MK        1.00*    
!   NL        1.07     NY        1.00*    OV        0.84     PT        1.10     
!   SC        1.00*    TS        1.00*    WF        0.99     WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 123 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.78     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.98     LA        0.97     MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.02     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        0.82     
!   KK        1.15     KP        1.00*    LA        1.00*    MK        1.13     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.82     WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 5:
!   BR        1.03     FD        1.12     HN        1.03     KB        1.00*    
!   KK        1.00*    KP        1.01     LA        1.08     MK        1.00*    
!   NL        0.98     NY        1.00*    OV        0.83     PT        1.06     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.76     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.98     LA        0.98     MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.03     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        0.90     
!   KK        1.27     KP        1.00*    LA        1.00*    MK        0.70     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.78     WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 5:
!   BR        1.01     FD        1.09     HN        0.99     KB        1.00*    
!   KK        1.00*    KP        0.99     LA        1.02     MK        1.00*    
!   NL        1.01     NY        1.00*    OV        0.79     PT        1.06     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MK        0.00*    
!   NL        0.00*    NY        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
!   ZC        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.82     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        1.01     LA        0.99     MK        1.00*    
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        0.99     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.00*    HN        1.00*    KB        0.79     
!   KK        1.25     KP        1.00*    LA        1.00*    MK        0.70     
!   NL        1.00*    NY        1.00*    OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.83     WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
!  Telescope amplitude corrections in sub-array 5:
!   BR        0.97     FD        1.06     HN        1.02     KB        1.00*    
!   KK        1.00*    KP        1.07     LA        1.05     MK        1.00*    
!   NL        0.94     NY        1.00*    OV        0.79     PT        1.04     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.108575Jy  sigma=0.001195
! Fit after  self-cal, rms=0.100775Jy  sigma=0.001081
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.47 mas, bmaj=3.736 mas, bpa=12.72 degrees
! Estimated noise=654.555 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 = 0.000182093 Jy
! Component: 100  -  total flux cleaned = 0.000267334 Jy
! Total flux subtracted in 100 components = 0.000267334 Jy
! Clean residual min=-0.004621 max=0.007991 Jy/beam
! Clean residual mean=0.000074 rms=0.001519 Jy/beam
! Combined flux in latest and established models = 0.192803 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 42 components and 0.192803 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100674Jy  sigma=0.001080
! Fit after  self-cal, rms=0.100687Jy  sigma=0.001079
! 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)
! Added new window around map position (-2.5, 4.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00564807 Jy
! Component: 100  -  total flux cleaned = 0.0053955 Jy
! Total flux subtracted in 100 components = 0.0053955 Jy
! Clean residual min=-0.004190 max=0.003577 Jy/beam
! Clean residual mean=-0.000110 rms=0.001222 Jy/beam
! Combined flux in latest and established models = 0.198199 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 62 components and 0.198199 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100238Jy  sigma=0.001074
! Fit after  self-cal, rms=0.099558Jy  sigma=0.001054
! Inverting map and beam 
! Estimated beam: bmin=1.445 mas, bmaj=3.748 mas, bpa=12.69 degrees
! Estimated noise=656.332 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 = 0.00284524 Jy
! Component: 100  -  total flux cleaned = 0.00341701 Jy
! Total flux subtracted in 100 components = 0.00341701 Jy
! Clean residual min=-0.003454 max=0.003219 Jy/beam
! Clean residual mean=-0.000030 rms=0.000991 Jy/beam
! Combined flux in latest and established models = 0.201616 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 85 components and 0.201616 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099411Jy  sigma=0.001052
! Fit after  self-cal, rms=0.099392Jy  sigma=0.001052
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1926+087_X
! Writing UV FITS file: 1926+087_X.uvf
! Writing 85 model components to file: 1926+087_X.mod
! wwins: Wrote 2 windows to 1926+087_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.445 x 3.748 at 12.69 degrees (North through East)
! Clean map  min=-0.0033332  max=0.16644 Jy/beam
! Writing clean map to FITS file: 1926+087_X.fits
! Writing difmap environment to: 1926+087_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1926+087_X]
device 1926+087_Xuv.ps/vps,1,2
! Attempting to open device: '1926+087_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1926+087_Xim.ps/vps
! Attempting to open device: '1926+087_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=1.445 mas, bmaj=3.748 mas, bpa=12.69 degrees
! Estimated noise=656.332 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.445 x 3.748 at 12.69 degrees (North through East)
! Clean map  min=-0.0033332  max=0.16644 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1926+087_X.log closed on Thu Apr 17 14:08:16 2008