! Started logfile: 0458-020_S.log on Thu Aug 11 16:19:46 2005
observe 0458-020_S.edt
! Reading UV FITS file: 0458-020_S.edt
! AN table 1: 58 integrations on 171 of 171 possible baselines.
! AN table 2: 27 integrations on 171 of 171 possible baselines.
! AN table 3: 21 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0744786 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0458-020
! 
! 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 1565 lines of history.
! 
! Reading 5400 visibilities.
![@gonzo7-0.4 0458-020_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 = 7.0
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 954 telescope corrections were flagged in sub-array 1.
!  A total of 471 telescope corrections were flagged in sub-array 2.
!  A total of 274 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 951 telescope corrections were flagged in sub-array 1.
!  A total of 456 telescope corrections were flagged in sub-array 2.
!  A total of 273 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 956 telescope corrections were flagged in sub-array 1.
!  A total of 465 telescope corrections were flagged in sub-array 2.
!  A total of 281 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 958 telescope corrections were flagged in sub-array 1.
!  A total of 456 telescope corrections were flagged in sub-array 2.
!  A total of 275 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.319747Jy  sigma=0.005028
! Fit after  self-cal, rms=0.315481Jy  sigma=0.004969
! 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=2.78 mas, bmaj=7.326 mas, bpa=-5.412 degrees
! Estimated noise=1455.04 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 = 0.481826 Jy
! Total flux subtracted in 50 components = 0.481826 Jy
! Clean residual min=-0.046883 max=0.155624 Jy/beam
! Clean residual mean=-0.000208 rms=0.016485 Jy/beam
! Combined flux in latest and established models = 0.481826 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 0.481826 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.373390Jy  sigma=0.005652
! Fit after  self-cal, rms=0.373356Jy  sigma=0.005652
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.168683 Jy
! Total flux subtracted in 50 components = 0.168683 Jy
! Clean residual min=-0.028555 max=0.077216 Jy/beam
! Clean residual mean=-0.000144 rms=0.010290 Jy/beam
! Combined flux in latest and established models = 0.650508 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 14 components and 0.650508 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.249005Jy  sigma=0.003765
! Fit after  self-cal, rms=0.248527Jy  sigma=0.003757
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.090245 Jy
! Total flux subtracted in 50 components = 0.090245 Jy
! Clean residual min=-0.022920 max=0.056505 Jy/beam
! Clean residual mean=-0.000109 rms=0.007542 Jy/beam
! Combined flux in latest and established models = 0.740753 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 25 components and 0.740753 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.193695Jy  sigma=0.002917
! Fit after  self-cal, rms=0.193488Jy  sigma=0.002913
! Inverting map 
! Added new window around map position (-4, 2.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0609523 Jy
! Total flux subtracted in 50 components = 0.0609523 Jy
! Clean residual min=-0.019340 max=0.032047 Jy/beam
! Clean residual mean=-0.000082 rms=0.005988 Jy/beam
! Combined flux in latest and established models = 0.801706 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 41 components and 0.801706 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.163521Jy  sigma=0.002451
! Fit after  self-cal, rms=0.163368Jy  sigma=0.002448
! 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=4.717 mas, bmaj=9.535 mas, bpa=-1.12 degrees
! Estimated noise=834.896 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 = 0.0829901 Jy
! Component: 100  -  total flux cleaned = 0.125828 Jy
! Total flux subtracted in 100 components = 0.125828 Jy
! Clean residual min=-0.022120 max=0.031498 Jy/beam
! Clean residual mean=0.000001 rms=0.007498 Jy/beam
! Combined flux in latest and established models = 0.927533 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 47 model components to the UV plane model.
! The established model now contains 85 components and 0.927533 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.121521Jy  sigma=0.001795
! Fit after  self-cal, rms=0.120607Jy  sigma=0.001781
! 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 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.99     LA        0.97     
!   MC        1.00*    MK        1.05     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.95     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 42 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        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*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.08     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.84     LA        1.01     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.95     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        0.98     LA        0.96     
!   MC        1.00*    MK        1.04     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.97     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 57 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        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*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.87     LA        0.96     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.86     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.07     KK        1.00*    KP        0.98     LA        1.03     
!   MC        1.00*    MK        1.05     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.95     SC        1.04     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 48 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        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*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        1.04     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.96     LA        1.05     
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.89     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.01     LA        0.98     
!   MC        1.00*    MK        0.85     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.92     SC        0.99     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 57 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        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*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        0.90     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.96     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.91     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.120607Jy  sigma=0.001781
! Fit after  self-cal, rms=0.096183Jy  sigma=0.001468
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.737 mas, bmaj=10.79 mas, bpa=-0.4635 degrees
! Estimated noise=839.092 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 = 0.00688273 Jy
! Component: 100  -  total flux cleaned = 0.00688513 Jy
! Total flux subtracted in 100 components = 0.00688513 Jy
! Clean residual min=-0.011227 max=0.019458 Jy/beam
! Clean residual mean=0.000033 rms=0.003937 Jy/beam
! Combined flux in latest and established models = 0.934418 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 95 components and 0.934418 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095648Jy  sigma=0.001457
! Fit after  self-cal, rms=0.095561Jy  sigma=0.001455
! 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 = 0.000294566 Jy
! Component: 100  -  total flux cleaned = 0.000181028 Jy
! Total flux subtracted in 100 components = 0.000181028 Jy
! Clean residual min=-0.011522 max=0.018831 Jy/beam
! Clean residual mean=0.000033 rms=0.003855 Jy/beam
! Combined flux in latest and established models = 0.934599 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 97 components and 0.934599 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095399Jy  sigma=0.001452
! Fit after  self-cal, rms=0.091452Jy  sigma=0.001376
! Inverting map and beam 
! Estimated beam: bmin=4.688 mas, bmaj=10.79 mas, bpa=-0.7054 degrees
! Estimated noise=837.2 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 = 0.00147526 Jy
! Component: 100  -  total flux cleaned = 0.00147821 Jy
! Total flux subtracted in 100 components = 0.00147821 Jy
! Clean residual min=-0.010751 max=0.018207 Jy/beam
! Clean residual mean=0.000025 rms=0.003654 Jy/beam
! Combined flux in latest and established models = 0.936078 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 103 components and 0.936078 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091301Jy  sigma=0.001372
! Fit after  self-cal, rms=0.091242Jy  sigma=0.001371
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0458-020_S
! Writing UV FITS file: 0458-020_S.uvf
! Writing 103 model components to file: 0458-020_S.mod
! wwins: Wrote 2 windows to 0458-020_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.688 x 10.79 at -0.7054 degrees (North through East)
! Clean map  min=-0.010869  max=0.71936 Jy/beam
! Writing clean map to FITS file: 0458-020_S.fits
! Writing difmap environment to: 0458-020_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0458-020_S]
device 0458-020_Suv.ps/vps,1,2
! Attempting to open device: '0458-020_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0458-020_Sim.ps/vps
! Attempting to open device: '0458-020_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=4.688 mas, bmaj=10.79 mas, bpa=-0.7054 degrees
! Estimated noise=837.2 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.688 x 10.79 at -0.7054 degrees (North through East)
! Clean map  min=-0.010869  max=0.71936 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0458-020_S.log closed on Thu Aug 11 16:20:13 2005