! Started logfile: 1308+326_X.log on Fri Jul 22 09:55:13 2005
observe 1308+326_X.edt
! Reading UV FITS file: 1308+326_X.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: 0.167319 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  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 17968 visibilities.
![@gonzo8-0.1 1308+326_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 1782 telescope corrections were flagged in sub-array 1.
!  A total of 494 telescope corrections were flagged in sub-array 2.
!  A total of 226 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1790 telescope corrections were flagged in sub-array 1.
!  A total of 494 telescope corrections were flagged in sub-array 2.
!  A total of 224 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1783 telescope corrections were flagged in sub-array 1.
!  A total of 494 telescope corrections were flagged in sub-array 2.
!  A total of 224 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1779 telescope corrections were flagged in sub-array 1.
!  A total of 494 telescope corrections were flagged in sub-array 2.
!  A total of 223 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.519748Jy  sigma=0.006547
! Fit after  self-cal, rms=0.498406Jy  sigma=0.006436
! 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=0.5194 mas, bmaj=0.9301 mas, bpa=16.67 degrees
! Estimated noise=1288.55 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 = 0.691858 Jy
! Total flux subtracted in 50 components = 0.691858 Jy
! Clean residual min=-0.064657 max=0.266531 Jy/beam
! Clean residual mean=-0.000951 rms=0.018213 Jy/beam
! Combined flux in latest and established models = 0.691858 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 6 components and 0.691858 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.592469Jy  sigma=0.008460
! Fit after  self-cal, rms=0.592422Jy  sigma=0.008459
! Inverting map 
! Added new window around map position (-1.3, 0.3).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.27897 Jy
! Total flux subtracted in 50 components = 0.27897 Jy
! Clean residual min=-0.048772 max=0.186850 Jy/beam
! Clean residual mean=-0.000690 rms=0.013441 Jy/beam
! Combined flux in latest and established models = 0.970828 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 13 components and 0.970828 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.442746Jy  sigma=0.006210
! Fit after  self-cal, rms=0.434621Jy  sigma=0.006102
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.178151 Jy
! Total flux subtracted in 50 components = 0.178151 Jy
! Clean residual min=-0.040372 max=0.128342 Jy/beam
! Clean residual mean=-0.000522 rms=0.010391 Jy/beam
! Combined flux in latest and established models = 1.14898 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 20 components and 1.14898 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.350052Jy  sigma=0.004773
! Fit after  self-cal, rms=0.344106Jy  sigma=0.004688
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.123625 Jy
! Total flux subtracted in 50 components = 0.123625 Jy
! Clean residual min=-0.034528 max=0.090043 Jy/beam
! Clean residual mean=-0.000405 rms=0.008479 Jy/beam
! Combined flux in latest and established models = 1.2726 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 29 components and 1.2726 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.291868Jy  sigma=0.003831
! Fit after  self-cal, rms=0.288216Jy  sigma=0.003778
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0880882 Jy
! Total flux subtracted in 50 components = 0.0880882 Jy
! Clean residual min=-0.030772 max=0.066294 Jy/beam
! Clean residual mean=-0.000322 rms=0.007295 Jy/beam
! Combined flux in latest and established models = 1.36069 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 45 components and 1.36069 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.256396Jy  sigma=0.003222
! Fit after  self-cal, rms=0.254124Jy  sigma=0.003188
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0660991 Jy
! Total flux subtracted in 50 components = 0.0660991 Jy
! Clean residual min=-0.028981 max=0.052320 Jy/beam
! Clean residual mean=-0.000260 rms=0.006556 Jy/beam
! Combined flux in latest and established models = 1.42679 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 58 components and 1.42679 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.233858Jy  sigma=0.002819
! Fit after  self-cal, rms=0.232717Jy  sigma=0.002801
! 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=0.7103 mas, bmaj=1.246 mas, bpa=11.79 degrees
! Estimated noise=791.924 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 = 0.0916317 Jy
! Component: 100  -  total flux cleaned = 0.144822 Jy
! Total flux subtracted in 100 components = 0.144822 Jy
! Clean residual min=-0.017913 max=0.042236 Jy/beam
! Clean residual mean=0.002701 rms=0.006183 Jy/beam
! Combined flux in latest and established models = 1.57161 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 90 components and 1.57161 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.202263Jy  sigma=0.002204
! Fit after  self-cal, rms=0.201444Jy  sigma=0.002191
! 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 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.05     HH        1.34     
!   HN        0.93     KK        1.00*    KP        0.98     LA        1.13     
!   MC        0.85     MK        1.00*    NL        0.98     NY        0.96     
!   ON        0.85     OV        1.01     PT        0.98     SC        1.02     
!   TS        1.00*    WF        0.96     WZ        1.88     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.26     KK        1.00*    KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.04     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.95     SC        0.94     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.93     FD        1.11     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.96     LA        0.93     
!   MC        1.00*    MK        1.24     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.91     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 36 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.99     GC        1.06     HH        1.30     
!   HN        0.93     KK        1.00*    KP        0.97     LA        1.12     
!   MC        0.85     MK        1.00*    NL        0.96     NY        0.95     
!   ON        0.89     OV        1.00     PT        0.99     SC        1.03     
!   TS        1.00*    WF        0.96     WZ        2.50     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.32     KK        1.00*    KP        0.99     LA        1.02     
!   MC        1.00*    MK        1.02     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.97     SC        0.97     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.95     FD        1.08     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.99     LA        0.94     
!   MC        1.00*    MK        1.04     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.93     PT        0.93     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 39 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.97     GC        1.03     HH        1.41     
!   HN        0.96     KK        1.00*    KP        0.98     LA        1.14     
!   MC        0.84     MK        1.00*    NL        0.97     NY        0.98     
!   ON        0.93     OV        1.01     PT        0.99     SC        1.05     
!   TS        1.00*    WF        0.95     WZ        2.51     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.39     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.02     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        0.98     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.15     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.01     LA        0.95     
!   MC        1.00*    MK        1.05     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.93     PT        0.95     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.06     HH        1.19     
!   HN        0.94     KK        1.00*    KP        0.98     LA        1.12     
!   MC        0.83     MK        1.00*    NL        0.99     NY        0.99     
!   ON        0.91     OV        1.02     PT        0.97     SC        1.10     
!   TS        1.00*    WF        0.94     WZ        2.17     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.32     KK        1.00*    KP        0.98     LA        1.03     
!   MC        1.00*    MK        1.02     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        0.94     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.93     FD        1.10     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.97     LA        0.94     
!   MC        1.00*    MK        1.19     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.201444Jy  sigma=0.002191
! Fit after  self-cal, rms=0.168649Jy  sigma=0.001555
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7432 mas, bmaj=1.34 mas, bpa=9.693 degrees
! Estimated noise=794.403 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 = -0.00179011 Jy
! Component: 100  -  total flux cleaned = -0.00137374 Jy
! Total flux subtracted in 100 components = -0.00137374 Jy
! Clean residual min=-0.007359 max=0.016255 Jy/beam
! Clean residual mean=0.000544 rms=0.002128 Jy/beam
! Combined flux in latest and established models = 1.57024 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 104 components and 1.57024 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167461Jy  sigma=0.001531
! Fit after  self-cal, rms=0.167374Jy  sigma=0.001528
! 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 (1.5, -0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00667587 Jy
! Component: 100  -  total flux cleaned = 0.00787122 Jy
! Total flux subtracted in 100 components = 0.00787122 Jy
! Clean residual min=-0.006773 max=0.008612 Jy/beam
! Clean residual mean=0.000427 rms=0.001962 Jy/beam
! Combined flux in latest and established models = 1.57811 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 116 components and 1.57811 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166412Jy  sigma=0.001504
! Fit after  self-cal, rms=0.159112Jy  sigma=0.001304
! Inverting map and beam 
! Estimated beam: bmin=0.7439 mas, bmaj=1.348 mas, bpa=8.955 degrees
! Estimated noise=797.575 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 = 0.00470305 Jy
! Component: 100  -  total flux cleaned = 0.00470336 Jy
! Total flux subtracted in 100 components = 0.00470336 Jy
! Clean residual min=-0.005369 max=0.007711 Jy/beam
! Clean residual mean=0.000396 rms=0.001372 Jy/beam
! Combined flux in latest and established models = 1.58282 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 126 components and 1.58282 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158506Jy  sigma=0.001291
! Fit after  self-cal, rms=0.158417Jy  sigma=0.001291
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1308+326_X
! Writing UV FITS file: 1308+326_X.uvf
! Writing 126 model components to file: 1308+326_X.mod
! wwins: Wrote 3 windows to 1308+326_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7439 x 1.348 at 8.955 degrees (North through East)
! Clean map  min=-0.0060368  max=0.85507 Jy/beam
! Writing clean map to FITS file: 1308+326_X.fits
! Writing difmap environment to: 1308+326_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1308+326_X]
device 1308+326_Xuv.ps/vps,1,2
! Attempting to open device: '1308+326_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1308+326_Xim.ps/vps
! Attempting to open device: '1308+326_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=0.7439 mas, bmaj=1.348 mas, bpa=8.955 degrees
! Estimated noise=797.575 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7439 x 1.348 at 8.955 degrees (North through East)
! Clean map  min=-0.0060368  max=0.85507 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1308+326_X.log closed on Fri Jul 22 09:56:15 2005