! Started logfile: 0642+449_X.log on Mon Jul 18 15:09:18 2005
observe 0642+449_X.edt
! Reading UV FITS file: 0642+449_X.edt
! AN table 1: 121 integrations on 171 of 171 possible baselines.
! AN table 2: 30 integrations on 171 of 171 possible baselines.
! AN table 3: 30 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0816775 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 1818 lines of history.
! 
! Reading 10112 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 2022 telescope corrections were flagged in sub-array 1.
!  A total of 396 telescope corrections were flagged in sub-array 2.
!  A total of 461 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 2011 telescope corrections were flagged in sub-array 1.
!  A total of 396 telescope corrections were flagged in sub-array 2.
!  A total of 461 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 2024 telescope corrections were flagged in sub-array 1.
!  A total of 396 telescope corrections were flagged in sub-array 2.
!  A total of 461 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 2028 telescope corrections were flagged in sub-array 1.
!  A total of 399 telescope corrections were flagged in sub-array 2.
!  A total of 461 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.554425Jy  sigma=0.023559
! Fit after  self-cal, rms=1.552689Jy  sigma=0.023668
! 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=0.6904 mas, bmaj=0.808 mas, bpa=-26.13 degrees
! Estimated noise=880.509 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 = 1.87649 Jy
! Total flux subtracted in 50 components = 1.87649 Jy
! Clean residual min=-0.109961 max=0.523401 Jy/beam
! Clean residual mean=0.000396 rms=0.026431 Jy/beam
! Combined flux in latest and established models = 1.87649 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 1.87649 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.738723Jy  sigma=0.010878
! Fit after  self-cal, rms=0.738723Jy  sigma=0.010878
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.472259 Jy
! Total flux subtracted in 50 components = 0.472259 Jy
! Clean residual min=-0.049132 max=0.196970 Jy/beam
! Clean residual mean=0.000215 rms=0.013119 Jy/beam
! Combined flux in latest and established models = 2.34875 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 9 components and 2.34875 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.395065Jy  sigma=0.005300
! Fit after  self-cal, rms=0.394897Jy  sigma=0.005298
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.210705 Jy
! Total flux subtracted in 50 components = 0.210705 Jy
! Clean residual min=-0.034709 max=0.097477 Jy/beam
! Clean residual mean=0.000134 rms=0.008251 Jy/beam
! Combined flux in latest and established models = 2.55946 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 15 components and 2.55946 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.280571Jy  sigma=0.003336
! Fit after  self-cal, rms=0.280508Jy  sigma=0.003335
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.109626 Jy
! Total flux subtracted in 50 components = 0.109626 Jy
! Clean residual min=-0.028804 max=0.052281 Jy/beam
! Clean residual mean=0.000092 rms=0.006425 Jy/beam
! Combined flux in latest and established models = 2.66908 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 16 components and 2.66908 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.238007Jy  sigma=0.002663
! Fit after  self-cal, rms=0.237951Jy  sigma=0.002663
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0583721 Jy
! Total flux subtracted in 50 components = 0.0583721 Jy
! Clean residual min=-0.025819 max=0.036223 Jy/beam
! Clean residual mean=0.000070 rms=0.005860 Jy/beam
! Combined flux in latest and established models = 2.72745 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 17 components and 2.72745 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.222826Jy  sigma=0.002495
! Fit after  self-cal, rms=0.222790Jy  sigma=0.002495
! 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=0.8196 mas, bmaj=0.9216 mas, bpa=-26.01 degrees
! Estimated noise=615.894 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 = 0.0254431 Jy
! Component: 100  -  total flux cleaned = 0.0255121 Jy
! Total flux subtracted in 100 components = 0.0255121 Jy
! Clean residual min=-0.025459 max=0.033290 Jy/beam
! Clean residual mean=0.000624 rms=0.005983 Jy/beam
! Combined flux in latest and established models = 2.75297 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 27 components and 2.75297 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.215680Jy  sigma=0.002459
! Fit after  self-cal, rms=0.215653Jy  sigma=0.002459
! 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 111 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.00*    GC        1.07     HH        1.10     
!   HN        0.95     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.90     MK        1.00*    NL        1.02     NY        0.94     
!   ON        0.89     OV        1.00*    PT        1.00*    SC        1.08     
!   TS        1.00*    WF        0.96     WZ        0.92     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.04     LA        1.01     
!   MC        1.00*    MK        0.95     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        1.04     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.98     KP        1.01     LA        0.94     
!   MC        1.00*    MK        1.01     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        1.00     SC        1.00*    
!   TS        1.06     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 114 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.00*    GC        1.08     HH        1.09     
!   HN        0.94     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.91     MK        1.00*    NL        1.01     NY        0.95     
!   ON        0.93     OV        1.00*    PT        1.00*    SC        1.08     
!   TS        1.00*    WF        0.96     WZ        0.90     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        1.02     LA        1.02     
!   MC        1.00*    MK        0.94     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        1.04     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.98     KP        1.01     LA        0.93     
!   MC        1.00*    MK        1.00     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        1.01     SC        1.00*    
!   TS        1.11     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 105 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.00*    GC        1.07     HH        1.17     
!   HN        0.96     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.87     MK        1.00*    NL        1.01     NY        0.95     
!   ON        0.96     OV        1.00*    PT        1.00*    SC        1.06     
!   TS        1.00*    WF        0.93     WZ        0.92     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        1.01     LA        1.02     
!   MC        1.00*    MK        0.95     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.05     SC        1.06     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.94     KP        0.98     LA        0.93     
!   MC        1.00*    MK        1.01     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.00     SC        1.00*    
!   TS        1.07     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 105 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.00*    GC        1.10     HH        1.28     
!   HN        0.94     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.87     MK        1.00*    NL        1.02     NY        0.95     
!   ON        0.94     OV        1.00*    PT        1.00*    SC        1.10     
!   TS        1.00*    WF        0.95     WZ        0.94     
! 
!  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        1.08     KK        1.00*    KP        1.01     LA        1.00     
!   MC        1.00*    MK        0.96     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.03     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.95     KP        0.99     LA        0.92     
!   MC        1.00*    MK        0.99     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.00     SC        1.00*    
!   TS        1.11     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.215653Jy  sigma=0.002459
! Fit after  self-cal, rms=0.117890Jy  sigma=0.001404
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8191 mas, bmaj=1.012 mas, bpa=-16.31 degrees
! Estimated noise=615.424 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 = -0.00654354 Jy
! Component: 100  -  total flux cleaned = -0.00677925 Jy
! Total flux subtracted in 100 components = -0.00677925 Jy
! Clean residual min=-0.006989 max=0.008196 Jy/beam
! Clean residual mean=-0.000053 rms=0.001763 Jy/beam
! Combined flux in latest and established models = 2.74619 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 37 components and 2.74619 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117200Jy  sigma=0.001395
! Fit after  self-cal, rms=0.117185Jy  sigma=0.001394
! 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 = -0.000220233 Jy
! Component: 100  -  total flux cleaned = -0.000220407 Jy
! Total flux subtracted in 100 components = -0.000220407 Jy
! Clean residual min=-0.006899 max=0.008076 Jy/beam
! Clean residual mean=-0.000052 rms=0.001748 Jy/beam
! Combined flux in latest and established models = 2.74597 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 38 components and 2.74597 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116905Jy  sigma=0.001391
! Fit after  self-cal, rms=0.107968Jy  sigma=0.001238
! Inverting map and beam 
! Estimated beam: bmin=0.8203 mas, bmaj=1.013 mas, bpa=-16.46 degrees
! Estimated noise=615.867 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)
! Added new window around map position (3.1, 0.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00504615 Jy
! Component: 100  -  total flux cleaned = 0.00562202 Jy
! Total flux subtracted in 100 components = 0.00562201 Jy
! Clean residual min=-0.005614 max=0.004066 Jy/beam
! Clean residual mean=0.000001 rms=0.000995 Jy/beam
! Combined flux in latest and established models = 2.75159 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 45 components and 2.75159 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107376Jy  sigma=0.001227
! Fit after  self-cal, rms=0.107366Jy  sigma=0.001227
! 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 45 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: 0.8203 x 1.013 at -16.46 degrees (North through East)
! Clean map  min=-0.0040396  max=2.468 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=0.8203 mas, bmaj=1.013 mas, bpa=-16.46 degrees
! Estimated noise=615.867 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8203 x 1.013 at -16.46 degrees (North through East)
! Clean map  min=-0.0040396  max=2.468 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0642+449_X.log closed on Mon Jul 18 15:10:37 2005