! Started logfile: 0642+449_X.log on Wed May 14 11:17:55 2008
observe 0642+449_X.edt
! Reading UV FITS file: 0642+449_X.edt
! AN table 1: 111 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.348289 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0642+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 946 lines of history.
! 
! Reading 23660 visibilities.
![@gonzo8-0.1 0642+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 1164 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1164 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1129 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1168 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.479725Jy  sigma=0.020995
! Fit after  self-cal, rms=1.479668Jy  sigma=0.020999
! 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=0.5608 mas, bmaj=0.7911 mas, bpa=-6.502 degrees
! Estimated noise=803.927 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 = 1.81293 Jy
! Total flux subtracted in 50 components = 1.81293 Jy
! Clean residual min=-0.063791 max=0.505849 Jy/beam
! Clean residual mean=0.000006 rms=0.018989 Jy/beam
! Combined flux in latest and established models = 1.81293 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 1.81293 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.729044Jy  sigma=0.010622
! Fit after  self-cal, rms=0.729043Jy  sigma=0.010622
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.484375 Jy
! Total flux subtracted in 50 components = 0.484375 Jy
! Clean residual min=-0.029820 max=0.208511 Jy/beam
! Clean residual mean=-0.000002 rms=0.009080 Jy/beam
! Combined flux in latest and established models = 2.29731 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 7 components and 2.29731 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.360535Jy  sigma=0.005269
! Fit after  self-cal, rms=0.360410Jy  sigma=0.005268
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.2198 Jy
! Total flux subtracted in 50 components = 0.2198 Jy
! Clean residual min=-0.022236 max=0.097922 Jy/beam
! Clean residual mean=-0.000004 rms=0.004967 Jy/beam
! Combined flux in latest and established models = 2.51711 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 10 components and 2.51711 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.214740Jy  sigma=0.003042
! Fit after  self-cal, rms=0.214727Jy  sigma=0.003042
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.108018 Jy
! Total flux subtracted in 50 components = 0.108018 Jy
! Clean residual min=-0.017760 max=0.053170 Jy/beam
! Clean residual mean=-0.000005 rms=0.003247 Jy/beam
! Combined flux in latest and established models = 2.62513 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 22 components and 2.62513 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158025Jy  sigma=0.002098
! Fit after  self-cal, rms=0.157778Jy  sigma=0.002097
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0656073 Jy
! Total flux subtracted in 50 components = 0.0656073 Jy
! Clean residual min=-0.013516 max=0.034895 Jy/beam
! Clean residual mean=-0.000004 rms=0.002331 Jy/beam
! Combined flux in latest and established models = 2.69073 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 24 components and 2.69073 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.131732Jy  sigma=0.001633
! Fit after  self-cal, rms=0.131589Jy  sigma=0.001632
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0430505 Jy
! Total flux subtracted in 50 components = 0.0430505 Jy
! Clean residual min=-0.010738 max=0.023251 Jy/beam
! Clean residual mean=-0.000004 rms=0.001808 Jy/beam
! Combined flux in latest and established models = 2.73378 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 28 components and 2.73378 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119086Jy  sigma=0.001398
! Fit after  self-cal, rms=0.119005Jy  sigma=0.001397
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0288034 Jy
! Total flux subtracted in 50 components = 0.0288034 Jy
! Clean residual min=-0.008712 max=0.015590 Jy/beam
! Clean residual mean=-0.000004 rms=0.001521 Jy/beam
! Combined flux in latest and established models = 2.76259 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 29 components and 2.76259 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113325Jy  sigma=0.001288
! Fit after  self-cal, rms=0.113281Jy  sigma=0.001287
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0193709 Jy
! Total flux subtracted in 50 components = 0.0193709 Jy
! Clean residual min=-0.007981 max=0.011009 Jy/beam
! Clean residual mean=-0.000004 rms=0.001376 Jy/beam
! Combined flux in latest and established models = 2.78196 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 29 components and 2.78196 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110795Jy  sigma=0.001240
! Fit after  self-cal, rms=0.110767Jy  sigma=0.001240
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0130992 Jy
! Total flux subtracted in 50 components = 0.0130992 Jy
! Clean residual min=-0.008663 max=0.010295 Jy/beam
! Clean residual mean=-0.000003 rms=0.001308 Jy/beam
! Combined flux in latest and established models = 2.79506 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 32 components and 2.79506 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109744Jy  sigma=0.001221
! Fit after  self-cal, rms=0.109729Jy  sigma=0.001221
! 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=0.666 mas, bmaj=0.9654 mas, bpa=-10.14 degrees
! Estimated noise=418.97 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, -1.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0086363 Jy
! Component: 100  -  total flux cleaned = 0.00987735 Jy
! Total flux subtracted in 100 components = 0.00987735 Jy
! Clean residual min=-0.005685 max=0.007387 Jy/beam
! Clean residual mean=-0.000031 rms=0.000873 Jy/beam
! Combined flux in latest and established models = 2.80494 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 41 components and 2.80494 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108947Jy  sigma=0.001210
! Fit after  self-cal, rms=0.108897Jy  sigma=0.001209
! 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        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     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        1.01     
!   WF        1.00     WZ        1.00     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     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        1.01     
!   WF        1.00     WZ        1.00     
! 
! 
! 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        1.00     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        1.01     
!   WF        1.00     WZ        1.00     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00     HH        1.00*    
!   HN        1.00     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        1.01     
!   WF        1.00     WZ        1.00     
! 
! 
! Fit before self-cal, rms=0.108897Jy  sigma=0.001209
! Fit after  self-cal, rms=0.108525Jy  sigma=0.001205
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6664 mas, bmaj=0.9661 mas, bpa=-10.18 degrees
! Estimated noise=418.786 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 = -0.00263766 Jy
! Component: 100  -  total flux cleaned = -0.00332949 Jy
! Total flux subtracted in 100 components = -0.00332949 Jy
! Clean residual min=-0.005783 max=0.005107 Jy/beam
! Clean residual mean=-0.000042 rms=0.000807 Jy/beam
! Combined flux in latest and established models = 2.80161 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 46 components and 2.80161 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108199Jy  sigma=0.001201
! Fit after  self-cal, rms=0.108178Jy  sigma=0.001201
! 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 = -0.000529947 Jy
! Component: 100  -  total flux cleaned = -0.000962831 Jy
! Total flux subtracted in 100 components = -0.000962831 Jy
! Clean residual min=-0.005407 max=0.004996 Jy/beam
! Clean residual mean=-0.000041 rms=0.000791 Jy/beam
! Combined flux in latest and established models = 2.80064 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 49 components and 2.80064 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107973Jy  sigma=0.001198
! Fit after  self-cal, rms=0.106634Jy  sigma=0.001185
! Inverting map and beam 
! Estimated beam: bmin=0.6658 mas, bmaj=0.9678 mas, bpa=-10.32 degrees
! Estimated noise=418.844 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 = 0.000657702 Jy
! Component: 100  -  total flux cleaned = -0.000129504 Jy
! Total flux subtracted in 100 components = -0.000129504 Jy
! Clean residual min=-0.004873 max=0.004395 Jy/beam
! Clean residual mean=-0.000044 rms=0.000716 Jy/beam
! Combined flux in latest and established models = 2.80051 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 57 components and 2.80051 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106292Jy  sigma=0.001180
! Fit after  self-cal, rms=0.106260Jy  sigma=0.001180
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0642+449_X
! Writing UV FITS file: 0642+449_X.uvf
! Writing 57 model components to file: 0642+449_X.mod
! wwins: Wrote 2 windows to 0642+449_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6658 x 0.9678 at -10.32 degrees (North through East)
! Clean map  min=-0.0031556  max=2.4197 Jy/beam
! Writing clean map to FITS file: 0642+449_X.fits
! Writing difmap environment to: 0642+449_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0642+449_X]
device 0642+449_Xuv.ps/vps,1,2
! Attempting to open device: '0642+449_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0642+449_Xim.ps/vps
! Attempting to open device: '0642+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=0.6658 mas, bmaj=0.9678 mas, bpa=-10.32 degrees
! Estimated noise=418.844 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6658 x 0.9678 at -10.32 degrees (North through East)
! Clean map  min=-0.0031556  max=2.4197 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0642+449_X.log closed on Wed May 14 11:18:10 2008