! Started logfile: 3C120_S.log on Thu Feb  7 19:30:55 2008
observe 3C120_S.edt
! Reading UV FITS file: 3C120_S.edt
! AN table 1: 65 integrations on 136 of 136 possible baselines.
! AN table 2: 30 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.0886997 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1267 lines of history.
! 
! Reading 4584 visibilities.
![@gonzo5-0.4 3C120_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 5.0
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 0.400x0.400 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 955 telescope corrections were flagged in sub-array 1.
!  A total of 498 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 958 telescope corrections were flagged in sub-array 1.
!  A total of 498 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 959 telescope corrections were flagged in sub-array 1.
!  A total of 506 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 960 telescope corrections were flagged in sub-array 1.
!  A total of 510 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=1.541235Jy  sigma=0.019486
! Fit after  self-cal, rms=1.539843Jy  sigma=0.019471
! 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=2.374 mas, bmaj=7.005 mas, bpa=-11.44 degrees
! Estimated noise=3221.82 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 = 1.63124 Jy
! Total flux subtracted in 50 components = 1.63124 Jy
! Clean residual min=-0.220293 max=0.589276 Jy/beam
! Clean residual mean=-0.000572 rms=0.075034 Jy/beam
! Combined flux in latest and established models = 1.63124 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 8 components and 1.63124 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.018682Jy  sigma=0.012917
! Fit after  self-cal, rms=1.018591Jy  sigma=0.012916
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.607796 Jy
! Total flux subtracted in 50 components = 0.607796 Jy
! Clean residual min=-0.129968 max=0.282324 Jy/beam
! Clean residual mean=-0.000451 rms=0.042217 Jy/beam
! Combined flux in latest and established models = 2.23904 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 14 components and 2.23904 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.598741Jy  sigma=0.007558
! Fit after  self-cal, rms=0.598628Jy  sigma=0.007557
! Inverting map 
! Added new window around map position (-2.8, -1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.318652 Jy
! Total flux subtracted in 50 components = 0.318652 Jy
! Clean residual min=-0.081968 max=0.174877 Jy/beam
! Clean residual mean=-0.000361 rms=0.027828 Jy/beam
! Combined flux in latest and established models = 2.55769 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 23 components and 2.55769 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.409636Jy  sigma=0.005146
! Fit after  self-cal, rms=0.408836Jy  sigma=0.005141
! Inverting map 
! Added new window around map position (-6.4, -0.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.199132 Jy
! Total flux subtracted in 50 components = 0.199132 Jy
! Clean residual min=-0.057953 max=0.122524 Jy/beam
! Clean residual mean=-0.000287 rms=0.019602 Jy/beam
! Combined flux in latest and established models = 2.75682 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 33 components and 2.75682 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.296426Jy  sigma=0.003700
! Fit after  self-cal, rms=0.295254Jy  sigma=0.003692
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.133811 Jy
! Total flux subtracted in 50 components = 0.133811 Jy
! Clean residual min=-0.043093 max=0.090370 Jy/beam
! Clean residual mean=-0.000235 rms=0.014350 Jy/beam
! Combined flux in latest and established models = 2.89064 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 39 components and 2.89064 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.225301Jy  sigma=0.002779
! Fit after  self-cal, rms=0.224380Jy  sigma=0.002771
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0917369 Jy
! Total flux subtracted in 50 components = 0.0917369 Jy
! Clean residual min=-0.034685 max=0.064865 Jy/beam
! Clean residual mean=-0.000198 rms=0.010975 Jy/beam
! Combined flux in latest and established models = 2.98237 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 47 components and 2.98237 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.182220Jy  sigma=0.002204
! Fit after  self-cal, rms=0.181746Jy  sigma=0.002200
! Inverting map 
! Added new window around map position (3.6, 0.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0671442 Jy
! Total flux subtracted in 50 components = 0.0671442 Jy
! Clean residual min=-0.030029 max=0.035453 Jy/beam
! Clean residual mean=-0.000171 rms=0.008637 Jy/beam
! Combined flux in latest and established models = 3.04952 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 58 components and 3.04952 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155679Jy  sigma=0.001837
! Fit after  self-cal, rms=0.155666Jy  sigma=0.001836
! 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=4.349 mas, bmaj=8.064 mas, bpa=-9.324 degrees
! Estimated noise=1456.55 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 = 0.0650795 Jy
! Component: 100  -  total flux cleaned = 0.101691 Jy
! Total flux subtracted in 100 components = 0.101691 Jy
! Clean residual min=-0.028355 max=0.026849 Jy/beam
! Clean residual mean=0.000002 rms=0.008406 Jy/beam
! Combined flux in latest and established models = 3.15121 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 83 components and 3.15121 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.131278Jy  sigma=0.001473
! Fit after  self-cal, rms=0.131186Jy  sigma=0.001472
! 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        1.00     FD        0.99     GC        1.00*    HN        1.00     
!   KK        1.01     KP        0.99     LA        0.99     MC        0.97     
!   MK        1.00*    NL        1.00     NY        1.04     ON        1.01     
!   OV        0.99     PT        0.99     SC        1.01     WF        1.00     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        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        0.98     
!   OV        1.00*    PT        1.00*    SC        1.03     WF        1.00*    
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.99     GC        1.00*    HN        1.00     
!   KK        1.01     KP        0.99     LA        0.99     MC        0.99     
!   MK        1.00*    NL        1.00     NY        0.99     ON        1.00     
!   OV        0.99     PT        0.99     SC        1.01     WF        1.00     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    HN        1.00*    
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        0.99     
!   MK        1.00*    NL        1.00*    NY        0.99     ON        1.01     
!   OV        1.00*    PT        1.00*    SC        1.03     WF        0.99     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.99     GC        1.00*    HN        1.00     
!   KK        1.01     KP        0.99     LA        0.99     MC        1.04     
!   MK        1.00*    NL        1.00     NY        1.00*    ON        0.97     
!   OV        0.99     PT        0.99     SC        1.01     WF        0.99     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        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        0.99     
!   OV        1.00*    PT        1.00*    SC        1.02     WF        0.99     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.99     GC        1.00*    HN        0.99     
!   KK        1.01     KP        0.99     LA        0.99     MC        1.08     
!   MK        1.00*    NL        1.00     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.99     SC        1.01     WF        0.99     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HN        0.00*    
!   KK        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    WF        0.00*    
!   WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.131186Jy  sigma=0.001472
! Fit after  self-cal, rms=0.126556Jy  sigma=0.001419
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.362 mas, bmaj=8.099 mas, bpa=-9.269 degrees
! Estimated noise=1444.44 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 = 0.0108338 Jy
! Component: 100  -  total flux cleaned = 0.0130344 Jy
! Total flux subtracted in 100 components = 0.0130344 Jy
! Clean residual min=-0.024623 max=0.024817 Jy/beam
! Clean residual mean=-0.000001 rms=0.006941 Jy/beam
! Combined flux in latest and established models = 3.16424 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 101 components and 3.16424 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125934Jy  sigma=0.001405
! Fit after  self-cal, rms=0.125952Jy  sigma=0.001405
! 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 (-26.4, -19.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0232484 Jy
! Component: 100  -  total flux cleaned = 0.0284192 Jy
! Total flux subtracted in 100 components = 0.0284192 Jy
! Clean residual min=-0.021764 max=0.019750 Jy/beam
! Clean residual mean=0.000096 rms=0.005915 Jy/beam
! Combined flux in latest and established models = 3.19266 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 36 model components to the UV plane model.
! The established model now contains 137 components and 3.19266 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122273Jy  sigma=0.001349
! Fit after  self-cal, rms=0.121605Jy  sigma=0.001345
! Inverting map and beam 
! Estimated beam: bmin=4.36 mas, bmaj=8.102 mas, bpa=-9.272 degrees
! Estimated noise=1443.57 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 = 0.00712961 Jy
! Component: 100  -  total flux cleaned = 0.0116284 Jy
! Total flux subtracted in 100 components = 0.0116284 Jy
! Clean residual min=-0.019228 max=0.018644 Jy/beam
! Clean residual mean=0.000087 rms=0.005580 Jy/beam
! Combined flux in latest and established models = 3.20429 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 154 components and 3.20429 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120692Jy  sigma=0.001332
! Fit after  self-cal, rms=0.120710Jy  sigma=0.001332
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 3C120_S
! Writing UV FITS file: 3C120_S.uvf
! Writing 154 model components to file: 3C120_S.mod
! wwins: Wrote 5 windows to 3C120_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.36 x 8.102 at -9.272 degrees (North through East)
! Clean map  min=-0.019044  max=2.1351 Jy/beam
! Writing clean map to FITS file: 3C120_S.fits
! Writing difmap environment to: 3C120_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 3C120_S]
device 3C120_Suv.ps/vps,1,2
! Attempting to open device: '3C120_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 3C120_Sim.ps/vps
! Attempting to open device: '3C120_Sim.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=4.36 mas, bmaj=8.102 mas, bpa=-9.272 degrees
! Estimated noise=1443.57 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.36 x 8.102 at -9.272 degrees (North through East)
! Clean map  min=-0.019044  max=2.1351 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 3C120_S.log closed on Thu Feb  7 19:31:02 2008