! Started logfile: 3C120_X.log on Wed Aug  3 10:58:00 2005
observe 3C120_X.edt
! Reading UV FITS file: 3C120_X.edt
! AN table 1: 47 integrations on 171 of 171 possible baselines.
! AN table 2: 15 integrations on 171 of 171 possible baselines.
! AN table 3: 70 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.106769 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 1818 lines of history.
! 
! Reading 9640 visibilities.
![@gonzo8-0.1 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 696 telescope corrections were flagged in sub-array 1.
!  A total of 266 telescope corrections were flagged in sub-array 2.
!  A total of 1166 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 677 telescope corrections were flagged in sub-array 1.
!  A total of 266 telescope corrections were flagged in sub-array 2.
!  A total of 1166 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 681 telescope corrections were flagged in sub-array 1.
!  A total of 266 telescope corrections were flagged in sub-array 2.
!  A total of 1166 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 677 telescope corrections were flagged in sub-array 1.
!  A total of 266 telescope corrections were flagged in sub-array 2.
!  A total of 1166 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.107818Jy  sigma=0.016809
! Fit after  self-cal, rms=1.100513Jy  sigma=0.016633
! 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=0.5346 mas, bmaj=1.285 mas, bpa=1.861 degrees
! Estimated noise=1085.91 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 = 0.858357 Jy
! Total flux subtracted in 50 components = 0.858357 Jy
! Clean residual min=-0.123222 max=0.360055 Jy/beam
! Clean residual mean=0.001510 rms=0.043873 Jy/beam
! Combined flux in latest and established models = 0.858357 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 0.858357 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.128729Jy  sigma=0.017073
! Fit after  self-cal, rms=1.128162Jy  sigma=0.017068
! Inverting map 
! Added new window around map position (1.8, 1.1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.413904 Jy
! Total flux subtracted in 50 components = 0.413904 Jy
! Clean residual min=-0.100691 max=0.280431 Jy/beam
! Clean residual mean=0.001346 rms=0.035469 Jy/beam
! Combined flux in latest and established models = 1.27226 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 26 components and 1.27226 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.937251Jy  sigma=0.014005
! Fit after  self-cal, rms=0.932326Jy  sigma=0.013903
! Inverting map 
! Added new window around map position (1, 0.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.318139 Jy
! Total flux subtracted in 50 components = 0.318139 Jy
! Clean residual min=-0.079179 max=0.215754 Jy/beam
! Clean residual mean=0.001217 rms=0.029434 Jy/beam
! Combined flux in latest and established models = 1.5904 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 38 components and 1.5904 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.795312Jy  sigma=0.011733
! Fit after  self-cal, rms=0.787554Jy  sigma=0.011578
! 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=0.596 mas, bmaj=1.53 mas, bpa=-1.054 degrees
! Estimated noise=747.279 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 = 0.3924 Jy
! Component: 100  -  total flux cleaned = 0.635438 Jy
! Total flux subtracted in 100 components = 0.635438 Jy
! Clean residual min=-0.084978 max=0.295161 Jy/beam
! Clean residual mean=0.014420 rms=0.036197 Jy/beam
! Combined flux in latest and established models = 2.22584 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 82 components and 2.22584 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.571616Jy  sigma=0.008245
! Fit after  self-cal, rms=0.565413Jy  sigma=0.008127
! Inverting map 
! Added new window around map position (-2.5, -0.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.281527 Jy
! Component: 100  -  total flux cleaned = 0.467612 Jy
! Total flux subtracted in 100 components = 0.467612 Jy
! Clean residual min=-0.066395 max=0.151519 Jy/beam
! Clean residual mean=0.010056 rms=0.023335 Jy/beam
! Combined flux in latest and established models = 2.69345 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 113 components and 2.69345 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.399230Jy  sigma=0.005542
! Fit after  self-cal, rms=0.388987Jy  sigma=0.005356
! 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 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        0.94     GC        0.99     HH        1.19     
!   HN        1.02     KK        1.00*    KP        0.97     LA        0.96     
!   MC        0.88     MK        1.07     NL        1.17     NY        1.11     
!   ON        1.43     OV        1.08     PT        0.96     SC        1.03     
!   TS        1.00*    WF        0.87     WZ        0.78     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.19     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.89     LA        1.00*    
!   MC        1.00*    MK        1.20     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        0.93     PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 60 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.08     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.01     KP        0.90     LA        0.84     
!   MC        1.00*    MK        0.97     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.12     PT        0.89     SC        1.00*    
!   TS        1.14     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.93     FD        0.93     GC        1.02     HH        1.01     
!   HN        1.01     KK        1.00*    KP        0.98     LA        0.95     
!   MC        0.86     MK        1.07     NL        1.15     NY        1.16     
!   ON        0.91     OV        1.09     PT        0.95     SC        1.01     
!   TS        1.00*    WF        0.87     WZ        0.78     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.18     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.87     LA        1.00*    
!   MC        1.00*    MK        1.16     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 60 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.05     FD        0.91     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.04     KP        0.92     LA        0.83     
!   MC        1.00*    MK        0.95     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.13     PT        0.91     SC        1.00*    
!   TS        1.18     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        0.90     FD        0.94     GC        0.99     HH        0.91     
!   HN        1.00     KK        1.00*    KP        0.98     LA        0.96     
!   MC        0.84     MK        1.10     NL        1.16     NY        1.18     
!   ON        0.94     OV        1.08     PT        0.95     SC        0.99     
!   TS        1.00*    WF        0.85     WZ        0.81     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.23     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.88     LA        1.00*    
!   MC        1.00*    MK        1.13     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        0.94     PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 60 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.07     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.04     KP        0.90     LA        0.84     
!   MC        1.00*    MK        0.89     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.14     PT        0.91     SC        1.00*    
!   TS        1.11     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        0.89     FD        0.93     GC        1.02     HH        1.29     
!   HN        0.99     KK        1.00*    KP        0.97     LA        0.95     
!   MC        0.85     MK        1.12     NL        1.22     NY        1.19     
!   ON        0.91     OV        1.09     PT        0.95     SC        1.03     
!   TS        1.00*    WF        0.85     WZ        0.83     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.22     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.90     LA        1.00*    
!   MC        1.00*    MK        1.13     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 60 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.07     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.09     KP        0.91     LA        0.83     
!   MC        1.00*    MK        0.91     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.14     PT        0.90     SC        1.00*    
!   TS        1.17     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.388987Jy  sigma=0.005356
! Fit after  self-cal, rms=0.274590Jy  sigma=0.003857
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6265 mas, bmaj=1.526 mas, bpa=-2.235 degrees
! Estimated noise=770.142 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 (-3.9, -1.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0953781 Jy
! Component: 100  -  total flux cleaned = 0.126106 Jy
! Total flux subtracted in 100 components = 0.126106 Jy
! Clean residual min=-0.034649 max=0.048756 Jy/beam
! Clean residual mean=0.004647 rms=0.010531 Jy/beam
! Combined flux in latest and established models = 2.81956 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 138 components and 2.81956 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.245059Jy  sigma=0.003276
! Fit after  self-cal, rms=0.242629Jy  sigma=0.003239
! 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 = 0.029745 Jy
! Component: 100  -  total flux cleaned = 0.0357185 Jy
! Total flux subtracted in 100 components = 0.0357185 Jy
! Clean residual min=-0.037414 max=0.043556 Jy/beam
! Clean residual mean=0.004236 rms=0.009661 Jy/beam
! Combined flux in latest and established models = 2.85528 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 155 components and 2.85528 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.232613Jy  sigma=0.003060
! Fit after  self-cal, rms=0.214673Jy  sigma=0.002803
! Inverting map and beam 
! Estimated beam: bmin=0.6218 mas, bmaj=1.51 mas, bpa=-2.124 degrees
! Estimated noise=759.551 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 = 0.0417265 Jy
! Component: 100  -  total flux cleaned = 0.0550622 Jy
! Total flux subtracted in 100 components = 0.0550622 Jy
! Clean residual min=-0.025838 max=0.040303 Jy/beam
! Clean residual mean=0.001922 rms=0.007541 Jy/beam
! Combined flux in latest and established models = 2.91034 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 171 components and 2.91034 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.204537Jy  sigma=0.002585
! Fit after  self-cal, rms=0.203433Jy  sigma=0.002568
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 3C120_X
! Writing UV FITS file: 3C120_X.uvf
! Writing 171 model components to file: 3C120_X.mod
! wwins: Wrote 5 windows to 3C120_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6218 x 1.51 at -2.124 degrees (North through East)
! Clean map  min=-0.027134  max=0.86247 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=0.6218 mas, bmaj=1.51 mas, bpa=-2.124 degrees
! Estimated noise=759.551 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6218 x 1.51 at -2.124 degrees (North through East)
! Clean map  min=-0.027134  max=0.86247 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 3C120_X.log closed on Wed Aug  3 10:58:31 2005