! Started logfile: 1308+326_S.log on Mon Aug 15 15:46:52 2005
observe 1308+326_S.edt
! Reading UV FITS file: 1308+326_S.edt
! AN table 1: 111 integrations on 171 of 171 possible baselines.
! AN table 2: 32 integrations on 171 of 171 possible baselines.
! AN table 3: 14 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.170075 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1308+326
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1565 lines of history.
! 
! Reading 18264 visibilities.
![@gonzo7-0.4 1308+326_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
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 0.400x0.400 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 1721 telescope corrections were flagged in sub-array 1.
!  A total of 480 telescope corrections were flagged in sub-array 2.
!  A total of 207 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1739 telescope corrections were flagged in sub-array 1.
!  A total of 480 telescope corrections were flagged in sub-array 2.
!  A total of 207 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1718 telescope corrections were flagged in sub-array 1.
!  A total of 483 telescope corrections were flagged in sub-array 2.
!  A total of 207 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1780 telescope corrections were flagged in sub-array 1.
!  A total of 480 telescope corrections were flagged in sub-array 2.
!  A total of 207 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.633306Jy  sigma=0.008751
! Fit after  self-cal, rms=0.633491Jy  sigma=0.008844
! 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=2.303 mas, bmaj=3.395 mas, bpa=16.27 degrees
! Estimated noise=1233.1 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 = 1.10592 Jy
! Total flux subtracted in 50 components = 1.10592 Jy
! Clean residual min=-0.059169 max=0.350691 Jy/beam
! Clean residual mean=-0.000342 rms=0.019111 Jy/beam
! Combined flux in latest and established models = 1.10592 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 1.10592 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.555078Jy  sigma=0.007731
! Fit after  self-cal, rms=0.555047Jy  sigma=0.007731
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.352941 Jy
! Total flux subtracted in 50 components = 0.352941 Jy
! Clean residual min=-0.034878 max=0.148554 Jy/beam
! Clean residual mean=-0.000170 rms=0.010441 Jy/beam
! Combined flux in latest and established models = 1.45886 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 9 components and 1.45886 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.328482Jy  sigma=0.004340
! Fit after  self-cal, rms=0.328341Jy  sigma=0.004339
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.15631 Jy
! Total flux subtracted in 50 components = 0.15631 Jy
! Clean residual min=-0.027965 max=0.071400 Jy/beam
! Clean residual mean=-0.000093 rms=0.007558 Jy/beam
! Combined flux in latest and established models = 1.61517 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 17 components and 1.61517 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.260532Jy  sigma=0.003156
! Fit after  self-cal, rms=0.260508Jy  sigma=0.003156
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0810577 Jy
! Total flux subtracted in 50 components = 0.0810577 Jy
! Clean residual min=-0.026273 max=0.056233 Jy/beam
! Clean residual mean=-0.000053 rms=0.006578 Jy/beam
! Combined flux in latest and established models = 1.69622 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 26 components and 1.69622 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.238427Jy  sigma=0.002730
! Fit after  self-cal, rms=0.238418Jy  sigma=0.002730
! Inverting map 
! Added new window around map position (-6, 1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0562037 Jy
! Total flux subtracted in 50 components = 0.0562037 Jy
! Clean residual min=-0.027015 max=0.034825 Jy/beam
! Clean residual mean=-0.000029 rms=0.006109 Jy/beam
! Combined flux in latest and established models = 1.75243 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 30 components and 1.75243 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.227382Jy  sigma=0.002531
! Fit after  self-cal, rms=0.226990Jy  sigma=0.002525
! 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=2.985 mas, bmaj=4.318 mas, bpa=15.89 degrees
! Estimated noise=726.46 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 = 0.0507011 Jy
! Component: 100  -  total flux cleaned = 0.0786098 Jy
! Total flux subtracted in 100 components = 0.0786098 Jy
! Clean residual min=-0.024282 max=0.026605 Jy/beam
! Clean residual mean=-0.000398 rms=0.004990 Jy/beam
! Combined flux in latest and established models = 1.83104 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 42 components and 1.83104 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.218365Jy  sigma=0.002355
! Fit after  self-cal, rms=0.218031Jy  sigma=0.002350
! 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 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.00     GC        1.06     HH        1.17     
!   HN        0.97     KK        1.00*    KP        1.02     LA        1.05     
!   MC        0.98     MK        1.00*    NL        1.00     NY        0.98     
!   ON        0.90     OV        0.98     PT        1.01     SC        0.90     
!   TS        1.00*    WF        1.02     WZ        1.55     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        1.02     LA        1.02     
!   MC        1.00*    MK        0.92     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        0.95     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.09     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.87     LA        1.00     
!   MC        1.00*    MK        0.91     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.05     HH        1.16     
!   HN        0.98     KK        1.00*    KP        1.01     LA        1.05     
!   MC        1.68     MK        1.00*    NL        1.02     NY        1.00     
!   ON        0.93     OV        0.99     PT        1.02     SC        0.98     
!   TS        1.00*    WF        1.02     WZ        1.60     
! 
!  A total of 3 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        1.04     KK        1.00*    KP        1.00     LA        1.03     
!   MC        1.00*    MK        0.98     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.96     SC        0.99     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.88     LA        0.97     
!   MC        1.00*    MK        0.97     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.92     PT        0.91     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.03     GC        1.05     HH        0.91     
!   HN        0.99     KK        1.00*    KP        1.01     LA        1.35     
!   MC        1.01     MK        1.00*    NL        1.01     NY        1.00     
!   ON        0.94     OV        1.01     PT        1.02     SC        1.06     
!   TS        1.00*    WF        1.03     WZ        1.59     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.89     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.01     LA        0.91     
!   MC        1.00*    MK        0.96     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        1.02     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.99     LA        0.88     
!   MC        1.00*    MK        0.93     NL        1.06     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.02     GC        1.08     HH        0.93     
!   HN        1.00     KK        1.00*    KP        1.00*    LA        1.04     
!   MC        0.89     MK        1.00*    NL        1.01     NY        0.98     
!   ON        1.00     OV        1.00*    PT        1.05     SC        1.09     
!   TS        1.00*    WF        1.05     WZ        1.83     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.88     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        1.02     LA        1.01     
!   MC        1.00*    MK        0.94     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.82     PT        1.01     SC        1.06     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.05     FD        0.91     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.01     LA        1.02     
!   MC        1.00*    MK        0.92     NL        1.04     NY        1.00*    
!   ON        1.00*    OV        0.92     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.218031Jy  sigma=0.002350
! Fit after  self-cal, rms=0.167498Jy  sigma=0.001585
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.083 mas, bmaj=4.411 mas, bpa=15.6 degrees
! Estimated noise=732.98 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 (-6.8, 4.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000740823 Jy
! Component: 100  -  total flux cleaned = 0.000768053 Jy
! Total flux subtracted in 100 components = 0.000768053 Jy
! Clean residual min=-0.009984 max=0.012604 Jy/beam
! Clean residual mean=0.000181 rms=0.002420 Jy/beam
! Combined flux in latest and established models = 1.83181 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 57 components and 1.83181 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.165344Jy  sigma=0.001559
! Fit after  self-cal, rms=0.165319Jy  sigma=0.001557
! 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 = 0.00286285 Jy
! Component: 100  -  total flux cleaned = 0.00359057 Jy
! Total flux subtracted in 100 components = 0.00359057 Jy
! Clean residual min=-0.009501 max=0.010784 Jy/beam
! Clean residual mean=0.000141 rms=0.002344 Jy/beam
! Combined flux in latest and established models = 1.8354 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 60 components and 1.8354 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164240Jy  sigma=0.001546
! Fit after  self-cal, rms=0.143852Jy  sigma=0.001289
! Inverting map and beam 
! Estimated beam: bmin=3.078 mas, bmaj=4.435 mas, bpa=15.26 degrees
! Estimated noise=731.944 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 = 0.00125539 Jy
! Component: 100  -  total flux cleaned = -0.000356658 Jy
! Total flux subtracted in 100 components = -0.000356658 Jy
! Clean residual min=-0.005580 max=0.005169 Jy/beam
! Clean residual mean=0.000126 rms=0.001237 Jy/beam
! Combined flux in latest and established models = 1.83504 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 69 components and 1.83504 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.143008Jy  sigma=0.001279
! Fit after  self-cal, rms=0.142973Jy  sigma=0.001278
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1308+326_S
! Writing UV FITS file: 1308+326_S.uvf
! Writing 69 model components to file: 1308+326_S.mod
! wwins: Wrote 3 windows to 1308+326_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.078 x 4.435 at 15.26 degrees (North through East)
! Clean map  min=-0.0052877  max=1.5012 Jy/beam
! Writing clean map to FITS file: 1308+326_S.fits
! Writing difmap environment to: 1308+326_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1308+326_S]
device 1308+326_Suv.ps/vps,1,2
! Attempting to open device: '1308+326_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1308+326_Sim.ps/vps
! Attempting to open device: '1308+326_Sim.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=3.078 mas, bmaj=4.435 mas, bpa=15.26 degrees
! Estimated noise=731.944 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.078 x 4.435 at 15.26 degrees (North through East)
! Clean map  min=-0.0052877  max=1.5012 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1308+326_S.log closed on Mon Aug 15 15:47:30 2005