! Started logfile: VR422201_X.log on Tue Aug  8 13:00:32 2006
observe VR422201_X.edt
! Reading UV FITS file: VR422201_X.edt
! AN table 1: 173 integrations on 190 of 190 possible baselines.
! AN table 2: 131 integrations on 190 of 190 possible baselines.
! AN table 3: 8 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.195496 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: VR422201
! 
! 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 1409 lines of history.
! 
! Reading 46356 visibilities.
![@gonzo8-0.1 VR422201_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 2369 telescope corrections were flagged in sub-array 1.
!  A total of 1608 telescope corrections were flagged in sub-array 2.
!  A total of 148 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 2395 telescope corrections were flagged in sub-array 1.
!  A total of 1606 telescope corrections were flagged in sub-array 2.
!  A total of 148 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 2373 telescope corrections were flagged in sub-array 1.
!  A total of 1607 telescope corrections were flagged in sub-array 2.
!  A total of 148 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 2376 telescope corrections were flagged in sub-array 1.
!  A total of 1606 telescope corrections were flagged in sub-array 2.
!  A total of 148 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.474339Jy  sigma=0.007325
! Fit after  self-cal, rms=0.469768Jy  sigma=0.007264
! 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=0.4882 mas, bmaj=0.819 mas, bpa=-0.1673 degrees
! Estimated noise=622.683 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 = 0.797025 Jy
! Total flux subtracted in 50 components = 0.797025 Jy
! Clean residual min=-0.049214 max=0.223418 Jy/beam
! Clean residual mean=-0.000279 rms=0.012734 Jy/beam
! Combined flux in latest and established models = 0.797025 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.797025 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.562275Jy  sigma=0.008789
! Fit after  self-cal, rms=0.562323Jy  sigma=0.008789
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.207832 Jy
! Total flux subtracted in 50 components = 0.207832 Jy
! Clean residual min=-0.040176 max=0.188273 Jy/beam
! Clean residual mean=-0.000205 rms=0.010399 Jy/beam
! Combined flux in latest and established models = 1.00486 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 6 components and 1.00486 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.465179Jy  sigma=0.007216
! Fit after  self-cal, rms=0.465332Jy  sigma=0.007215
! Inverting map 
! Added new window around map position (-0.7, -2.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.178045 Jy
! Total flux subtracted in 50 components = 0.178045 Jy
! Clean residual min=-0.037876 max=0.084696 Jy/beam
! Clean residual mean=-0.000144 rms=0.008413 Jy/beam
! Combined flux in latest and established models = 1.1829 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 12 components and 1.1829 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.382047Jy  sigma=0.005905
! Fit after  self-cal, rms=0.375498Jy  sigma=0.005821
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.111933 Jy
! Total flux subtracted in 50 components = 0.111933 Jy
! Clean residual min=-0.028657 max=0.070350 Jy/beam
! Clean residual mean=-0.000101 rms=0.007040 Jy/beam
! Combined flux in latest and established models = 1.29484 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 24 components and 1.29484 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.330545Jy  sigma=0.005070
! Fit after  self-cal, rms=0.328467Jy  sigma=0.005046
! Inverting map 
! Added new window around map position (-0.5, -1.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0872063 Jy
! Total flux subtracted in 50 components = 0.0872063 Jy
! Clean residual min=-0.023097 max=0.054419 Jy/beam
! Clean residual mean=-0.000068 rms=0.006184 Jy/beam
! Combined flux in latest and established models = 1.38204 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 41 components and 1.38204 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.297778Jy  sigma=0.004512
! Fit after  self-cal, rms=0.296758Jy  sigma=0.004502
! Inverting map 
! Added new window around map position (-1.2, -2.9).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0700751 Jy
! Total flux subtracted in 50 components = 0.0700751 Jy
! Clean residual min=-0.021341 max=0.041222 Jy/beam
! Clean residual mean=-0.000042 rms=0.005604 Jy/beam
! Combined flux in latest and established models = 1.45212 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 56 components and 1.45212 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.275061Jy  sigma=0.004114
! Fit after  self-cal, rms=0.274391Jy  sigma=0.004107
! 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=0.6058 mas, bmaj=1.172 mas, bpa=1.5 degrees
! Estimated noise=276.474 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 = 0.114026 Jy
! Component: 100  -  total flux cleaned = 0.18903 Jy
! Total flux subtracted in 100 components = 0.18903 Jy
! Clean residual min=-0.024626 max=0.048350 Jy/beam
! Clean residual mean=0.001954 rms=0.008987 Jy/beam
! Combined flux in latest and established models = 1.64115 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 95 components and 1.64115 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.231276Jy  sigma=0.003273
! Fit after  self-cal, rms=0.228170Jy  sigma=0.003229
! 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 189 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        0.99     HN        0.95     
!   LA        0.90     NL        0.93     OV        0.93     SC        0.90     
!   WF        0.93     GG        1.00*    HH        1.52     KK        0.99     
!   KP        1.10     MA        1.00*    MC        1.01     MK        1.03     
!   NY        0.99     TS        0.94     WZ        1.05     PT        0.90     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.97     GC        1.00*    HN        0.96     
!   LA        1.00*    NL        0.93     OV        1.06     SC        0.99     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.06     MA        1.08     MC        0.96     MK        1.00*    
!   NY        1.01     TS        1.00*    WZ        1.00*    PT        0.94     
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 186 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.97     GC        1.01     HN        0.95     
!   LA        0.90     NL        0.89     OV        0.94     SC        2.01     
!   WF        0.90     GG        1.00*    HH        1.38     KK        0.95     
!   KP        1.09     MA        1.00*    MC        1.01     MK        1.05     
!   NY        0.99     TS        0.92     WZ        1.00     PT        0.93     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.96     GC        1.00*    HN        0.94     
!   LA        1.00*    NL        0.93     OV        1.10     SC        1.47     
!   WF        1.35     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.08     MA        1.07     MC        0.95     MK        1.00*    
!   NY        1.01     TS        1.00*    WZ        1.00*    PT        0.95     
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 189 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.96     GC        1.03     HN        0.95     
!   LA        0.89     NL        0.89     OV        0.90     SC        0.91     
!   WF        0.91     GG        1.00*    HH        1.60     KK        0.98     
!   KP        1.08     MA        1.00*    MC        1.05     MK        1.05     
!   NY        1.00     TS        0.89     WZ        1.02     PT        0.94     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.97     GC        1.00*    HN        0.95     
!   LA        1.00*    NL        0.91     OV        1.11     SC        0.96     
!   WF        0.81     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.09     MA        1.17     MC        0.98     MK        1.00*    
!   NY        1.08     TS        1.00*    WZ        1.00*    PT        0.89     
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 189 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.96     GC        1.05     HN        0.94     
!   LA        0.88     NL        0.88     OV        0.90     SC        0.93     
!   WF        0.92     GG        1.00*    HH        1.85     KK        0.92     
!   KP        1.11     MA        1.00*    MC        1.13     MK        1.10     
!   NY        1.05     TS        0.91     WZ        1.04     PT        0.94     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.94     GC        1.00*    HN        0.95     
!   LA        1.00*    NL        0.90     OV        1.10     SC        0.96     
!   WF        0.94     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.08     MA        1.20     MC        1.02     MK        1.00*    
!   NY        1.10     TS        1.00*    WZ        1.00*    PT        0.95     
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   LA        0.00*    NL        0.00*    OV        0.00*    SC        0.00*    
!   WF        0.00*    GG        0.00*    HH        0.00*    KK        0.00*    
!   KP        0.00*    MA        0.00*    MC        0.00*    MK        0.00*    
!   NY        0.00*    TS        0.00*    WZ        0.00*    PT        0.00*    
! 
! 
! Fit before self-cal, rms=0.228170Jy  sigma=0.003229
! Fit after  self-cal, rms=0.167718Jy  sigma=0.002236
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6113 mas, bmaj=1.194 mas, bpa=0.7632 degrees
! Estimated noise=268.168 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 (0.1, -4.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0440267 Jy
! Component: 100  -  total flux cleaned = 0.0708603 Jy
! Total flux subtracted in 100 components = 0.0708603 Jy
! Clean residual min=-0.015939 max=0.018449 Jy/beam
! Clean residual mean=0.001055 rms=0.003976 Jy/beam
! Combined flux in latest and established models = 1.71201 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 42 model components to the UV plane model.
! The established model now contains 129 components and 1.71201 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.156900Jy  sigma=0.002006
! Fit after  self-cal, rms=0.156170Jy  sigma=0.001995
! 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 = 0.0130832 Jy
! Component: 100  -  total flux cleaned = 0.0233383 Jy
! Total flux subtracted in 100 components = 0.0233383 Jy
! Clean residual min=-0.011941 max=0.018144 Jy/beam
! Clean residual mean=0.001018 rms=0.003516 Jy/beam
! Combined flux in latest and established models = 1.73535 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 38 model components to the UV plane model.
! The established model now contains 149 components and 1.73535 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152002Jy  sigma=0.001910
! Fit after  self-cal, rms=0.134226Jy  sigma=0.001687
! Inverting map and beam 
! Estimated beam: bmin=0.6103 mas, bmaj=1.194 mas, bpa=1.039 degrees
! Estimated noise=268.59 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 = 0.0202324 Jy
! Component: 100  -  total flux cleaned = 0.0295135 Jy
! Total flux subtracted in 100 components = 0.0295135 Jy
! Clean residual min=-0.009050 max=0.013998 Jy/beam
! Clean residual mean=0.000823 rms=0.002687 Jy/beam
! Combined flux in latest and established models = 1.76486 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 36 model components to the UV plane model.
! The established model now contains 172 components and 1.76486 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130782Jy  sigma=0.001620
! Fit after  self-cal, rms=0.130455Jy  sigma=0.001615
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save VR422201_X
! Writing UV FITS file: VR422201_X.uvf
! Writing 172 model components to file: VR422201_X.mod
! wwins: Wrote 5 windows to VR422201_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6103 x 1.194 at 1.039 degrees (North through East)
! Clean map  min=-0.0076101  max=1.0311 Jy/beam
! Writing clean map to FITS file: VR422201_X.fits
! Writing difmap environment to: VR422201_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot VR422201_X]
device VR422201_Xuv.ps/vps,1,2
! Attempting to open device: 'VR422201_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device VR422201_Xim.ps/vps
! Attempting to open device: 'VR422201_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=0.6103 mas, bmaj=1.194 mas, bpa=1.039 degrees
! Estimated noise=268.59 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6103 x 1.194 at 1.039 degrees (North through East)
! Clean map  min=-0.0076101  max=1.0311 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file VR422201_X.log closed on Tue Aug  8 13:01:22 2006