! Started logfile: 3C120_X.log_1 on Tue Aug  8 13:34:19 2006
observe 3C120_X.edt
! Reading UV FITS file: 3C120_X.edt
! AN table 1: 16 integrations on 190 of 190 possible baselines.
! AN table 2: 35 integrations on 190 of 190 possible baselines.
! AN table 3: 49 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.217421 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 3C120
! 
! 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 1413 lines of history.
! 
! Reading 16524 visibilities.
![@gonzo8_0.1_pw 3C120_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 293 telescope corrections were flagged in sub-array 1.
!  A total of 462 telescope corrections were flagged in sub-array 2.
!  A total of 761 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 293 telescope corrections were flagged in sub-array 1.
!  A total of 460 telescope corrections were flagged in sub-array 2.
!  A total of 647 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 293 telescope corrections were flagged in sub-array 1.
!  A total of 460 telescope corrections were flagged in sub-array 2.
!  A total of 651 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 293 telescope corrections were flagged in sub-array 1.
!  A total of 480 telescope corrections were flagged in sub-array 2.
!  A total of 770 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.862277Jy  sigma=0.013621
! Fit after  self-cal, rms=0.858990Jy  sigma=0.013613
! 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
peakw win_mult
! Inverting map and beam 
! Estimated beam: bmin=0.5337 mas, bmaj=1.717 mas, bpa=-7.664 degrees
! Estimated noise=1097.79 mJy/beam.
! Added new window around map position (0, 0).
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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.424897 Jy
! Total flux subtracted in 50 components = 0.424897 Jy
! Clean residual min=-0.072736 max=0.259658 Jy/beam
! Clean residual mean=-0.000449 rms=0.024838 Jy/beam
! Combined flux in latest and established models = 0.424897 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 12 components and 0.424897 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.791262Jy  sigma=0.013100
! Fit after  self-cal, rms=0.791036Jy  sigma=0.013093
! Inverting map 
! Added new window around map position (-1, -0.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.272683 Jy
! Total flux subtracted in 50 components = 0.272683 Jy
! Clean residual min=-0.062476 max=0.184416 Jy/beam
! Clean residual mean=-0.000379 rms=0.020488 Jy/beam
! Combined flux in latest and established models = 0.69758 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 19 components and 0.69758 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.663266Jy  sigma=0.010948
! Fit after  self-cal, rms=0.660685Jy  sigma=0.010914
! Inverting map 
! Added new window around map position (0.9, 0.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.197836 Jy
! Total flux subtracted in 50 components = 0.197836 Jy
! Clean residual min=-0.052593 max=0.144775 Jy/beam
! Clean residual mean=-0.000314 rms=0.017559 Jy/beam
! Combined flux in latest and established models = 0.895416 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 34 components and 0.895416 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.576683Jy  sigma=0.009501
! Fit after  self-cal, rms=0.576215Jy  sigma=0.009491
! Inverting map 
! Added new window around map position (-2.1, -1.3).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.161479 Jy
! Total flux subtracted in 50 components = 0.161479 Jy
! Clean residual min=-0.045688 max=0.104950 Jy/beam
! Clean residual mean=-0.000282 rms=0.015448 Jy/beam
! Combined flux in latest and established models = 1.05689 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 51 components and 1.05689 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.510257Jy  sigma=0.008384
! Fit after  self-cal, rms=0.509178Jy  sigma=0.008367
! 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=0.6361 mas, bmaj=2.05 mas, bpa=-8.777 degrees
! Estimated noise=555.441 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 = 0.261928 Jy
! Component: 100  -  total flux cleaned = 0.435337 Jy
! Total flux subtracted in 100 components = 0.435337 Jy
! Clean residual min=-0.057750 max=0.128810 Jy/beam
! Clean residual mean=0.005444 rms=0.022310 Jy/beam
! Combined flux in latest and established models = 1.49223 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 38 model components to the UV plane model.
! The established model now contains 75 components and 1.49223 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.365261Jy  sigma=0.005908
! Fit after  self-cal, rms=0.362979Jy  sigma=0.005869
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.20     FD        0.87     GC        1.00*    HN        1.00*    
!   LA        0.84     NL        1.00*    OV        1.00     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.75     
!   KP        0.79     MA        1.00*    MC        1.00*    MK        0.97     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.79     GC        1.03     HN        0.95     
!   LA        0.84     NL        1.13     OV        1.04     SC        1.08     
!   WF        0.65     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.02     MA        0.96     MC        1.01     MK        2.07     
!   NY        1.00*    TS        1.00*    WZ        1.39     PT        0.81     
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.86     FD        0.80     GC        0.98     HN        1.37     
!   LA        0.91     NL        1.08     OV        1.02     SC        0.59     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.72     
!   KP        0.92     MA        1.00*    MC        1.00*    MK        0.86     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.91     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.18     FD        0.84     GC        1.00*    HN        1.00*    
!   LA        0.86     NL        1.00*    OV        1.06     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.83     
!   KP        0.74     MA        1.00*    MC        1.00*    MK        0.93     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.80     GC        1.04     HN        0.93     
!   LA        0.85     NL        1.17     OV        1.02     SC        1.84     
!   WF        0.67     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.95     MA        0.93     MC        1.03     MK        1.81     
!   NY        1.00*    TS        1.00*    WZ        1.39     PT        0.82     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.86     FD        0.82     GC        0.97     HN        0.89     
!   LA        0.97     NL        1.21     OV        1.05     SC        1.01     
!   WF        0.73     GG        1.00*    HH        1.00*    KK        0.68     
!   KP        0.86     MA        1.00*    MC        1.00*    MK        0.89     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.91     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.18     FD        0.86     GC        1.00*    HN        1.00*    
!   LA        0.85     NL        1.00*    OV        1.06     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.78     
!   KP        0.77     MA        1.00*    MC        1.00*    MK        1.06     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.28     FD        0.86     GC        0.97     HN        0.88     
!   LA        0.59     NL        1.02     OV        0.90     SC       13.38     
!   WF        0.71     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.90     MA        1.02     MC        1.15     MK        1.58     
!   NY        1.00*    TS        1.00*    WZ        1.31     PT        0.85     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.87     FD        0.83     GC        0.99     HN        0.88     
!   LA        0.96     NL        1.03     OV        1.06     SC        0.89     
!   WF        0.83     GG        1.00*    HH        1.00*    KK        0.73     
!   KP        0.85     MA        1.00*    MC        1.00*    MK        0.88     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.92     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.14     FD        0.86     GC        1.00*    HN        1.00*    
!   LA        0.88     NL        1.00*    OV        1.08     SC        1.00*    
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.74     
!   KP        0.78     MA        1.00*    MC        1.00*    MK        1.01     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.05     FD        0.81     GC        0.96     HN        0.91     
!   LA        0.87     NL        1.11     OV        1.05     SC       37.98     
!   WF        0.70     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.97     MA        1.01     MC        1.42     MK        1.60     
!   NY        1.00*    TS        1.00*    WZ        1.04     PT        0.83     
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.91     FD        0.79     GC        1.00     HN        1.30     
!   LA        0.89     NL        0.99     OV        1.01     SC        0.62     
!   WF        1.00*    GG        1.00*    HH        1.00*    KK        0.71     
!   KP        0.95     MA        1.00*    MC        1.00*    MK        0.88     
!   NY        1.00*    TS        1.00*    WZ        1.00*    PT        0.92     
! 
! 
! Fit before self-cal, rms=0.362979Jy  sigma=0.005869
! Fit after  self-cal, rms=0.250425Jy  sigma=0.004272
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6612 mas, bmaj=2.048 mas, bpa=-7.941 degrees
! Estimated noise=484.434 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 = 0.0251388 Jy
! Component: 100  -  total flux cleaned = 0.0308053 Jy
! Total flux subtracted in 100 components = 0.0308053 Jy
! Clean residual min=-0.030177 max=0.083549 Jy/beam
! Clean residual mean=0.001111 rms=0.012217 Jy/beam
! Combined flux in latest and established models = 1.52304 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 86 components and 1.52304 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.245640Jy  sigma=0.004179
! Fit after  self-cal, rms=0.246009Jy  sigma=0.004170
! 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 (-6.6, -2.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0802597 Jy
! Component: 100  -  total flux cleaned = 0.123615 Jy
! Total flux subtracted in 100 components = 0.123615 Jy
! Clean residual min=-0.029214 max=0.050720 Jy/beam
! Clean residual mean=0.000193 rms=0.009889 Jy/beam
! Combined flux in latest and established models = 1.64665 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 113 components and 1.64665 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.225165Jy  sigma=0.003606
! Fit after  self-cal, rms=0.212183Jy  sigma=0.003327
! Inverting map and beam 
! Estimated beam: bmin=0.6678 mas, bmaj=2.039 mas, bpa=-7.578 degrees
! Estimated noise=485.688 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 (-3.2, -1.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0566719 Jy
! Component: 100  -  total flux cleaned = 0.0858752 Jy
! Total flux subtracted in 100 components = 0.0858752 Jy
! Clean residual min=-0.020871 max=0.027989 Jy/beam
! Clean residual mean=0.000101 rms=0.007301 Jy/beam
! Combined flux in latest and established models = 1.73253 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 137 components and 1.73253 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.198730Jy  sigma=0.002981
! Fit after  self-cal, rms=0.196358Jy  sigma=0.002933
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 3C120_X
! Writing UV FITS file: 3C120_X.uvf
! Writing 137 model components to file: 3C120_X.mod
! wwins: Wrote 6 windows to 3C120_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6678 x 2.039 at -7.578 degrees (North through East)
! Clean map  min=-0.020717  max=0.42386 Jy/beam
! Writing clean map to FITS file: 3C120_X.fits
! Writing difmap environment to: 3C120_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 3C120_X]
device 3C120_Xuv.ps/vps,1,2
! Attempting to open device: '3C120_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 3C120_Xim.ps/vps
! Attempting to open device: '3C120_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=0.6678 mas, bmaj=2.039 mas, bpa=-7.578 degrees
! Estimated noise=485.688 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6678 x 2.039 at -7.578 degrees (North through East)
! Clean map  min=-0.020717  max=0.42386 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8_0.1_pw]
quit
! Quitting program
! Log file 3C120_X.log_1 closed on Tue Aug  8 13:34:42 2006