! Started logfile: 0917+449_X.log on Fri Jul 28 09:46:15 2006
observe 0917+449_X.edt
! Reading UV FITS file: 0917+449_X.edt
! AN table 1: 82 integrations on 190 of 190 possible baselines.
! AN table 2: 176 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.143452 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0917+449
! 
! 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 28128 visibilities.
![@gonzo8-0.1 0917+449_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 935 telescope corrections were flagged in sub-array 1.
!  A total of 3033 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 938 telescope corrections were flagged in sub-array 1.
!  A total of 3030 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 935 telescope corrections were flagged in sub-array 1.
!  A total of 3016 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 935 telescope corrections were flagged in sub-array 1.
!  A total of 3013 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.447336Jy  sigma=0.005832
! Fit after  self-cal, rms=0.448411Jy  sigma=0.005857
! 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=0.4931 mas, bmaj=0.6029 mas, bpa=27.93 degrees
! Estimated noise=823.497 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 = 0.445966 Jy
! Total flux subtracted in 50 components = 0.445966 Jy
! Clean residual min=-0.038912 max=0.139919 Jy/beam
! Clean residual mean=0.000925 rms=0.009799 Jy/beam
! Combined flux in latest and established models = 0.445966 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 0.445966 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.379897Jy  sigma=0.005499
! Fit after  self-cal, rms=0.379908Jy  sigma=0.005496
! Inverting map 
! Added new window around map position (0, -1.5).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.152491 Jy
! Total flux subtracted in 50 components = 0.152491 Jy
! Clean residual min=-0.032608 max=0.075918 Jy/beam
! Clean residual mean=0.000716 rms=0.007304 Jy/beam
! Combined flux in latest and established models = 0.598457 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 10 components and 0.598457 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.297885Jy  sigma=0.004260
! Fit after  self-cal, rms=0.294914Jy  sigma=0.004237
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0974965 Jy
! Total flux subtracted in 50 components = 0.0974965 Jy
! Clean residual min=-0.024879 max=0.051552 Jy/beam
! Clean residual mean=0.000582 rms=0.005746 Jy/beam
! Combined flux in latest and established models = 0.695954 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 16 components and 0.695954 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.247747Jy  sigma=0.003512
! Fit after  self-cal, rms=0.246224Jy  sigma=0.003499
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0676052 Jy
! Total flux subtracted in 50 components = 0.0676052 Jy
! Clean residual min=-0.020776 max=0.036252 Jy/beam
! Clean residual mean=0.000490 rms=0.004823 Jy/beam
! Combined flux in latest and established models = 0.763559 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 20 components and 0.763559 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.216487Jy  sigma=0.003029
! Fit after  self-cal, rms=0.215518Jy  sigma=0.003021
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0483602 Jy
! Total flux subtracted in 50 components = 0.0483602 Jy
! Clean residual min=-0.017933 max=0.028289 Jy/beam
! Clean residual mean=0.000423 rms=0.004257 Jy/beam
! Combined flux in latest and established models = 0.811919 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 28 components and 0.811919 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.196200Jy  sigma=0.002707
! Fit after  self-cal, rms=0.195599Jy  sigma=0.002703
! 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=0.6709 mas, bmaj=0.8404 mas, bpa=20.3 degrees
! Estimated noise=367.057 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 = 0.0980413 Jy
! Component: 100  -  total flux cleaned = 0.15646 Jy
! Total flux subtracted in 100 components = 0.15646 Jy
! Clean residual min=-0.016367 max=0.034473 Jy/beam
! Clean residual mean=0.001750 rms=0.006219 Jy/beam
! Combined flux in latest and established models = 0.968379 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 63 components and 0.968379 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149423Jy  sigma=0.001910
! Fit after  self-cal, rms=0.146617Jy  sigma=0.001878
! 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 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        0.98     HN        1.01     
!   LA        0.96     NL        0.90     OV        0.95     SC        0.88     
!   WF        0.98     GG        1.00*    HH        1.07     KK        1.00*    
!   KP        0.97     MA        1.00*    MC        0.95     MK        1.00*    
!   NY        1.03     TS        1.00*    WZ        1.24     PT        0.94     
! 
!  A total of 105 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.06     FD        0.95     GC        1.00*    HN        1.02     
!   LA        0.94     NL        1.00     OV        0.95     SC        1.03     
!   WF        0.84     GG        1.00*    HH        1.00*    KK        1.01     
!   KP        0.98     MA        0.82     MC        1.12     MK        1.00     
!   NY        1.00*    TS        1.00*    WZ        0.97     PT        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.97     GC        1.01     HN        1.01     
!   LA        0.95     NL        0.86     OV        0.97     SC        2.11     
!   WF        0.96     GG        1.00*    HH        1.07     KK        1.00*    
!   KP        0.94     MA        1.00*    MC        0.93     MK        1.00*    
!   NY        1.02     TS        1.00*    WZ        1.21     PT        0.96     
! 
!  A total of 108 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.06     FD        0.93     GC        1.00*    HN        1.02     
!   LA        0.96     NL        1.02     OV        0.94     SC        1.38     
!   WF        0.85     GG        1.00*    HH        1.00*    KK        1.02     
!   KP        0.93     MA        0.83     MC        1.10     MK        1.00     
!   NY        1.00*    TS        1.00*    WZ        0.97     PT        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.96     GC        1.00     HN        1.02     
!   LA        0.95     NL        0.86     OV        0.93     SC        0.89     
!   WF        0.96     GG        1.00*    HH        1.15     KK        1.00*    
!   KP        0.92     MA        1.00*    MC        0.94     MK        1.00*    
!   NY        1.04     TS        1.00*    WZ        1.19     PT        0.97     
! 
!  A total of 90 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.05     FD        0.92     GC        1.00*    HN        1.01     
!   LA        0.95     NL        1.04     OV        0.96     SC        1.02     
!   WF        0.85     GG        1.00*    HH        1.00*    KK        1.02     
!   KP        0.93     MA        0.94     MC        1.09     MK        1.02     
!   NY        1.00*    TS        1.00*    WZ        0.95     PT        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.95     GC        1.03     HN        1.00     
!   LA        0.93     NL        0.86     OV        0.94     SC        0.89     
!   WF        0.97     GG        1.00*    HH        1.28     KK        1.00*    
!   KP        0.93     MA        1.00*    MC        0.99     MK        1.00*    
!   NY        1.07     TS        1.00*    WZ        1.22     PT        0.96     
! 
!  A total of 105 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.92     GC        1.00*    HN        1.01     
!   LA        0.95     NL        1.10     OV        0.97     SC        1.04     
!   WF        0.85     GG        1.00*    HH        1.00*    KK        1.00     
!   KP        0.95     MA        0.82     MC        1.12     MK        0.99     
!   NY        1.00*    TS        1.00*    WZ        0.88     PT        1.00*    
! 
! 
! Fit before self-cal, rms=0.146617Jy  sigma=0.001878
! Fit after  self-cal, rms=0.119025Jy  sigma=0.001425
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6885 mas, bmaj=0.8634 mas, bpa=17.42 degrees
! Estimated noise=356.236 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 (0.5, -1.9).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0152646 Jy
! Component: 100  -  total flux cleaned = 0.0176046 Jy
! Total flux subtracted in 100 components = 0.0176046 Jy
! Clean residual min=-0.007557 max=0.011797 Jy/beam
! Clean residual mean=0.000410 rms=0.001852 Jy/beam
! Combined flux in latest and established models = 0.985983 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 78 components and 0.985983 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116250Jy  sigma=0.001377
! Fit after  self-cal, rms=0.115637Jy  sigma=0.001372
! 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, -4.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00860456 Jy
! Component: 100  -  total flux cleaned = 0.00931683 Jy
! Total flux subtracted in 100 components = 0.00931683 Jy
! Clean residual min=-0.006441 max=0.007954 Jy/beam
! Clean residual mean=0.000291 rms=0.001651 Jy/beam
! Combined flux in latest and established models = 0.9953 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 87 components and 0.9953 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114206Jy  sigma=0.001351
! Fit after  self-cal, rms=0.110631Jy  sigma=0.001301
! Inverting map and beam 
! Estimated beam: bmin=0.689 mas, bmaj=0.8682 mas, bpa=17.15 degrees
! Estimated noise=356.826 mJy/beam.
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0056174 Jy
! Component: 100  -  total flux cleaned = 0.00623707 Jy
! Total flux subtracted in 100 components = 0.00623707 Jy
! Clean residual min=-0.004614 max=0.007071 Jy/beam
! Clean residual mean=0.000369 rms=0.001320 Jy/beam
! Combined flux in latest and established models = 1.00154 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 96 components and 1.00154 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109631Jy  sigma=0.001285
! Fit after  self-cal, rms=0.109328Jy  sigma=0.001280
! Inverting map and beam 
! Estimated beam: bmin=0.6896 mas, bmaj=0.8691 mas, bpa=16.83 degrees
! Estimated noise=357.05 mJy/beam.
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00404862 Jy
! Component: 100  -  total flux cleaned = 0.00409976 Jy
! Total flux subtracted in 100 components = 0.00409976 Jy
! Clean residual min=-0.003901 max=0.006063 Jy/beam
! Clean residual mean=0.000347 rms=0.001192 Jy/beam
! Combined flux in latest and established models = 1.00564 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 98 components and 1.00564 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108682Jy  sigma=0.001270
! Fit after  self-cal, rms=0.108626Jy  sigma=0.001268
! Inverting map and beam 
! Estimated beam: bmin=0.6903 mas, bmaj=0.8699 mas, bpa=16.57 degrees
! Estimated noise=357.266 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 = 0.00299211 Jy
! Component: 100  -  total flux cleaned = 0.0030175 Jy
! Total flux subtracted in 100 components = 0.0030175 Jy
! Clean residual min=-0.003576 max=0.005342 Jy/beam
! Clean residual mean=0.000330 rms=0.001105 Jy/beam
! Combined flux in latest and established models = 1.00865 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 102 components and 1.00865 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108186Jy  sigma=0.001261
! Fit after  self-cal, rms=0.107978Jy  sigma=0.001259
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0917+449_X
! Writing UV FITS file: 0917+449_X.uvf
! Writing 102 model components to file: 0917+449_X.mod
! wwins: Wrote 4 windows to 0917+449_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6903 x 0.8699 at 16.57 degrees (North through East)
! Clean map  min=-0.0034338  max=0.59667 Jy/beam
! Writing clean map to FITS file: 0917+449_X.fits
! Writing difmap environment to: 0917+449_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0917+449_X]
device 0917+449_Xuv.ps/vps,1,2
! Attempting to open device: '0917+449_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0917+449_Xim.ps/vps
! Attempting to open device: '0917+449_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=0.6903 mas, bmaj=0.8699 mas, bpa=16.57 degrees
! Estimated noise=357.266 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6903 x 0.8699 at 16.57 degrees (North through East)
! Clean map  min=-0.0034338  max=0.59667 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0917+449_X.log closed on Fri Jul 28 09:47:00 2006