! Started logfile: 0955+476_X.log on Wed Jul 20 12:25:37 2005
observe 0955+476_X.edt
! Reading UV FITS file: 0955+476_X.edt
! AN table 1: 24 integrations on 171 of 171 possible baselines.
! AN table 2: 78 integrations on 171 of 171 possible baselines.
! AN table 3: 16 integrations on 171 of 171 possible baselines.
! AN table 4: 10 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0666575 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0955+476
! 
! 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 5836 visibilities.
![@gonzo8-0.1 0955+476_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 429 telescope corrections were flagged in sub-array 1.
!  A total of 1247 telescope corrections were flagged in sub-array 2.
!  A total of 211 telescope corrections were flagged in sub-array 3.
!  A total of 190 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 430 telescope corrections were flagged in sub-array 1.
!  A total of 1266 telescope corrections were flagged in sub-array 2.
!  A total of 210 telescope corrections were flagged in sub-array 3.
!  A total of 190 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 425 telescope corrections were flagged in sub-array 1.
!  A total of 1262 telescope corrections were flagged in sub-array 2.
!  A total of 211 telescope corrections were flagged in sub-array 3.
!  A total of 190 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 429 telescope corrections were flagged in sub-array 1.
!  A total of 1254 telescope corrections were flagged in sub-array 2.
!  A total of 212 telescope corrections were flagged in sub-array 3.
!  A total of 190 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.200099Jy  sigma=0.003370
! Fit after  self-cal, rms=0.198215Jy  sigma=0.003381
! 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=1.061 mas, bmaj=1.373 mas, bpa=58.08 degrees
! Estimated noise=1030.08 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 = 0.631765 Jy
! Total flux subtracted in 50 components = 0.631765 Jy
! Clean residual min=-0.036736 max=0.176204 Jy/beam
! Clean residual mean=-0.000102 rms=0.012252 Jy/beam
! Combined flux in latest and established models = 0.631765 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 0.631765 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.203826Jy  sigma=0.003623
! Fit after  self-cal, rms=0.203826Jy  sigma=0.003623
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.138813 Jy
! Total flux subtracted in 50 components = 0.138813 Jy
! Clean residual min=-0.012690 max=0.043129 Jy/beam
! Clean residual mean=-0.000090 rms=0.004348 Jy/beam
! Combined flux in latest and established models = 0.770579 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 9 components and 0.770579 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094057Jy  sigma=0.001654
! Fit after  self-cal, rms=0.094049Jy  sigma=0.001654
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0423864 Jy
! Total flux subtracted in 50 components = 0.0423864 Jy
! Clean residual min=-0.009458 max=0.018800 Jy/beam
! Clean residual mean=-0.000086 rms=0.002777 Jy/beam
! Combined flux in latest and established models = 0.812965 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 24 components and 0.812965 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077197Jy  sigma=0.001332
! Fit after  self-cal, rms=0.077195Jy  sigma=0.001332
! 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=1.285 mas, bmaj=1.655 mas, bpa=43.29 degrees
! Estimated noise=669.169 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 = 0.0221949 Jy
! Component: 100  -  total flux cleaned = 0.0318426 Jy
! Total flux subtracted in 100 components = 0.0318426 Jy
! Clean residual min=-0.007916 max=0.009376 Jy/beam
! Clean residual mean=-0.000109 rms=0.002325 Jy/beam
! Combined flux in latest and established models = 0.844808 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 42 components and 0.844808 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072379Jy  sigma=0.001224
! Fit after  self-cal, rms=0.072355Jy  sigma=0.001223
! 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        1.01     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        0.92     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 54 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.04     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.03     LA        1.03     
!   MC        1.00*    MK        0.99     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        1.02     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  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        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.06     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.00     LA        1.01     
!   MC        1.00*    MK        1.03     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.04     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.02     LA        1.05     
!   MC        1.00*    MK        0.99     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        0.94     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.04     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.03     LA        1.03     
!   MC        1.00*    MK        0.99     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        0.94     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        0.94     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.12     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 51 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        0.99     LA        1.01     
!   MC        1.00*    MK        1.03     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.02     LA        1.03     
!   MC        1.00*    MK        1.01     NL        1.05     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.072355Jy  sigma=0.001223
! Fit after  self-cal, rms=0.065114Jy  sigma=0.001130
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.275 mas, bmaj=1.751 mas, bpa=44.08 degrees
! Estimated noise=673.258 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 = -0.000922484 Jy
! Component: 100  -  total flux cleaned = -0.000714283 Jy
! Total flux subtracted in 100 components = -0.000714283 Jy
! Clean residual min=-0.003214 max=0.003796 Jy/beam
! Clean residual mean=-0.000040 rms=0.000930 Jy/beam
! Combined flux in latest and established models = 0.844093 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 49 components and 0.844093 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.065011Jy  sigma=0.001128
! Fit after  self-cal, rms=0.064989Jy  sigma=0.001128
! 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 = -2.46544e-06 Jy
! Component: 100  -  total flux cleaned = -3.94377e-05 Jy
! Total flux subtracted in 100 components = -3.94377e-05 Jy
! Clean residual min=-0.003203 max=0.003562 Jy/beam
! Clean residual mean=-0.000039 rms=0.000914 Jy/beam
! Combined flux in latest and established models = 0.844054 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 54 components and 0.844054 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.064954Jy  sigma=0.001127
! Fit after  self-cal, rms=0.063064Jy  sigma=0.001090
! Inverting map and beam 
! Estimated beam: bmin=1.275 mas, bmaj=1.751 mas, bpa=44.12 degrees
! Estimated noise=673.657 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 = 0.000218391 Jy
! Component: 100  -  total flux cleaned = 0.000388557 Jy
! Total flux subtracted in 100 components = 0.000388557 Jy
! Clean residual min=-0.003296 max=0.002672 Jy/beam
! Clean residual mean=-0.000028 rms=0.000807 Jy/beam
! Combined flux in latest and established models = 0.844442 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 58 components and 0.844442 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.063045Jy  sigma=0.001090
! Fit after  self-cal, rms=0.063042Jy  sigma=0.001090
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0955+476_X
! Writing UV FITS file: 0955+476_X.uvf
! Writing 58 model components to file: 0955+476_X.mod
! wwins: Wrote 1 windows to 0955+476_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.275 x 1.751 at 44.12 degrees (North through East)
! Clean map  min=-0.0032844  max=0.81726 Jy/beam
! Writing clean map to FITS file: 0955+476_X.fits
! Writing difmap environment to: 0955+476_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0955+476_X]
device 0955+476_Xuv.ps/vps,1,2
! Attempting to open device: '0955+476_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0955+476_Xim.ps/vps
! Attempting to open device: '0955+476_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=1.275 mas, bmaj=1.751 mas, bpa=44.12 degrees
! Estimated noise=673.657 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.275 x 1.751 at 44.12 degrees (North through East)
! Clean map  min=-0.0032844  max=0.81726 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0955+476_X.log closed on Wed Jul 20 12:26:32 2005