! Started logfile: 1726+455_X.log on Wed May 14 14:05:23 2008
observe 1726+455_X.edt
! Reading UV FITS file: 1726+455_X.edt
! AN table 1: 43 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.155039 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1726+455
! 
! 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 938 lines of history.
! 
! Reading 4080 visibilities.
![@gonzo8-0.1 1726+455_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 569 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 567 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 566 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 574 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.447761Jy  sigma=0.005791
! Fit after  self-cal, rms=0.446268Jy  sigma=0.005786
! 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=0.559 mas, bmaj=1.026 mas, bpa=52.72 degrees
! Estimated noise=1658.19 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 = 0.428502 Jy
! Total flux subtracted in 50 components = 0.428502 Jy
! Clean residual min=-0.022332 max=0.119708 Jy/beam
! Clean residual mean=-0.000120 rms=0.009004 Jy/beam
! Combined flux in latest and established models = 0.428502 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 0.428502 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.193166Jy  sigma=0.002813
! Fit after  self-cal, rms=0.193169Jy  sigma=0.002813
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.109272 Jy
! Total flux subtracted in 50 components = 0.109272 Jy
! Clean residual min=-0.015011 max=0.047393 Jy/beam
! Clean residual mean=-0.000083 rms=0.005260 Jy/beam
! Combined flux in latest and established models = 0.537774 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 18 components and 0.537774 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128871Jy  sigma=0.001808
! Fit after  self-cal, rms=0.128825Jy  sigma=0.001806
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0557093 Jy
! Total flux subtracted in 50 components = 0.0557093 Jy
! Clean residual min=-0.012816 max=0.029378 Jy/beam
! Clean residual mean=-0.000066 rms=0.003811 Jy/beam
! Combined flux in latest and established models = 0.593483 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 25 components and 0.593483 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107167Jy  sigma=0.001435
! Fit after  self-cal, rms=0.107149Jy  sigma=0.001433
! 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=0.6692 mas, bmaj=1.163 mas, bpa=57.97 degrees
! Estimated noise=1046.21 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 (-0.8, -0.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0448893 Jy
! Component: 100  -  total flux cleaned = 0.0690344 Jy
! Total flux subtracted in 100 components = 0.0690344 Jy
! Clean residual min=-0.009706 max=0.013369 Jy/beam
! Clean residual mean=-0.000065 rms=0.002776 Jy/beam
! Combined flux in latest and established models = 0.662518 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 45 components and 0.662518 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091987Jy  sigma=0.001144
! Fit after  self-cal, rms=0.091668Jy  sigma=0.001139
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        0.95     HH        1.00*    
!   HN        1.02     KK        0.97     KP        0.96     LA        0.97     
!   MC        1.00*    MK        1.03     NL        0.97     NY        0.94     
!   ON        0.97     OV        0.99     PT        0.99     SC        1.00*    
!   WF        1.06     WZ        1.21     
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.98     GC        0.99     HH        1.00*    
!   HN        1.00     KK        0.98     KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.00     NL        0.96     NY        0.93     
!   ON        1.00     OV        0.96     PT        1.02     SC        1.00*    
!   WF        1.03     WZ        1.22     
! 
! 
! Correcting IF 3.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.99     GC        0.98     HH        1.00*    
!   HN        1.03     KK        0.97     KP        0.98     LA        0.96     
!   MC        1.00*    MK        0.98     NL        0.97     NY        0.92     
!   ON        1.01     OV        1.00     PT        1.02     SC        1.00*    
!   WF        1.11     WZ        1.13     
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        0.99     HH        1.00*    
!   HN        0.99     KK        0.99     KP        0.96     LA        0.97     
!   MC        1.00*    MK        0.96     NL        1.00     NY        0.96     
!   ON        1.00     OV        1.00     PT        1.06     SC        1.00*    
!   WF        1.12     WZ        1.17     
! 
! 
! Fit before self-cal, rms=0.091668Jy  sigma=0.001139
! Fit after  self-cal, rms=0.085599Jy  sigma=0.001057
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6802 mas, bmaj=1.164 mas, bpa=59.08 degrees
! Estimated noise=1037.72 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 = 0.0114013 Jy
! Component: 100  -  total flux cleaned = 0.0164835 Jy
! Total flux subtracted in 100 components = 0.0164835 Jy
! Clean residual min=-0.005837 max=0.006182 Jy/beam
! Clean residual mean=0.000083 rms=0.001552 Jy/beam
! Combined flux in latest and established models = 0.679001 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 60 components and 0.679001 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084570Jy  sigma=0.001033
! Fit after  self-cal, rms=0.084386Jy  sigma=0.001030
! 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 = 0.00391562 Jy
! Component: 100  -  total flux cleaned = 0.00508701 Jy
! Total flux subtracted in 100 components = 0.00508701 Jy
! Clean residual min=-0.005487 max=0.005936 Jy/beam
! Clean residual mean=0.000083 rms=0.001465 Jy/beam
! Combined flux in latest and established models = 0.684088 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 71 components and 0.684088 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084193Jy  sigma=0.001026
! Fit after  self-cal, rms=0.083297Jy  sigma=0.001007
! Inverting map and beam 
! Estimated beam: bmin=0.6788 mas, bmaj=1.162 mas, bpa=59.34 degrees
! Estimated noise=1039.76 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 = 0.00443259 Jy
! Component: 100  -  total flux cleaned = 0.00624382 Jy
! Total flux subtracted in 100 components = 0.00624382 Jy
! Clean residual min=-0.005168 max=0.004836 Jy/beam
! Clean residual mean=0.000067 rms=0.001258 Jy/beam
! Combined flux in latest and established models = 0.690332 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 82 components and 0.690332 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083080Jy  sigma=0.001004
! Fit after  self-cal, rms=0.083051Jy  sigma=0.001003
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1726+455_X
! Writing UV FITS file: 1726+455_X.uvf
! Writing 82 model components to file: 1726+455_X.mod
! wwins: Wrote 2 windows to 1726+455_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6788 x 1.162 at 59.34 degrees (North through East)
! Clean map  min=-0.005032  max=0.56565 Jy/beam
! Writing clean map to FITS file: 1726+455_X.fits
! Writing difmap environment to: 1726+455_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1726+455_X]
device 1726+455_Xuv.ps/vps,1,2
! Attempting to open device: '1726+455_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1726+455_Xim.ps/vps
! Attempting to open device: '1726+455_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=0.6788 mas, bmaj=1.162 mas, bpa=59.34 degrees
! Estimated noise=1039.76 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6788 x 1.162 at 59.34 degrees (North through East)
! Clean map  min=-0.005032  max=0.56565 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1726+455_X.log closed on Wed May 14 14:05:31 2008