! Started logfile: 0552+398_S.log on Tue Jan 15 23:07:29 2008
observe 0552+398_S.edt
! Reading UV FITS file: 0552+398_S.edt
! AN table 1: 3 integrations on 136 of 136 possible baselines.
! AN table 2: 172 integrations on 136 of 136 possible baselines.
! AN table 3: 57 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.200906 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0552+398
! 
! 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 1251 lines of history.
! 
! Reading 25356 visibilities.
![@gonzo7-0.4 0552+398_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 51 telescope corrections were flagged in sub-array 1.
!  A total of 1830 telescope corrections were flagged in sub-array 2.
!  A total of 794 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 51 telescope corrections were flagged in sub-array 1.
!  A total of 1867 telescope corrections were flagged in sub-array 2.
!  A total of 792 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 51 telescope corrections were flagged in sub-array 1.
!  A total of 1924 telescope corrections were flagged in sub-array 2.
!  A total of 796 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 51 telescope corrections were flagged in sub-array 1.
!  A total of 1923 telescope corrections were flagged in sub-array 2.
!  A total of 835 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.766524Jy  sigma=0.022911
! Fit after  self-cal, rms=1.767377Jy  sigma=0.022989
! 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=2.028 mas, bmaj=3.005 mas, bpa=-14.01 degrees
! Estimated noise=902.326 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 = 1.98989 Jy
! Total flux subtracted in 50 components = 1.98989 Jy
! Clean residual min=-0.066960 max=0.555230 Jy/beam
! Clean residual mean=0.000228 rms=0.020218 Jy/beam
! Combined flux in latest and established models = 1.98989 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 1.98989 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.840648Jy  sigma=0.011327
! Fit after  self-cal, rms=0.840648Jy  sigma=0.011327
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.490071 Jy
! Total flux subtracted in 50 components = 0.490071 Jy
! Clean residual min=-0.044670 max=0.203598 Jy/beam
! Clean residual mean=0.000095 rms=0.011625 Jy/beam
! Combined flux in latest and established models = 2.47996 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 2.47996 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.467993Jy  sigma=0.006386
! Fit after  self-cal, rms=0.467951Jy  sigma=0.006386
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.23621 Jy
! Total flux subtracted in 50 components = 0.23621 Jy
! Clean residual min=-0.036408 max=0.119977 Jy/beam
! Clean residual mean=0.000029 rms=0.008563 Jy/beam
! Combined flux in latest and established models = 2.71617 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 13 components and 2.71617 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.332602Jy  sigma=0.004439
! Fit after  self-cal, rms=0.332569Jy  sigma=0.004439
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.142411 Jy
! Total flux subtracted in 50 components = 0.142411 Jy
! Clean residual min=-0.030231 max=0.073825 Jy/beam
! Clean residual mean=-0.000011 rms=0.007125 Jy/beam
! Combined flux in latest and established models = 2.85858 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 17 components and 2.85858 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.275308Jy  sigma=0.003515
! Fit after  self-cal, rms=0.275280Jy  sigma=0.003515
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0889101 Jy
! Total flux subtracted in 50 components = 0.0889101 Jy
! Clean residual min=-0.027028 max=0.046475 Jy/beam
! Clean residual mean=-0.000035 rms=0.006460 Jy/beam
! Combined flux in latest and established models = 2.94749 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 20 components and 2.94749 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.253807Jy  sigma=0.003093
! Fit after  self-cal, rms=0.253780Jy  sigma=0.003093
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0560199 Jy
! Total flux subtracted in 50 components = 0.0560199 Jy
! Clean residual min=-0.027145 max=0.039257 Jy/beam
! Clean residual mean=-0.000051 rms=0.006166 Jy/beam
! Combined flux in latest and established models = 3.00351 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 24 components and 3.00351 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.247618Jy  sigma=0.002917
! Fit after  self-cal, rms=0.247611Jy  sigma=0.002917
! 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=2.75 mas, bmaj=3.922 mas, bpa=-7.476 degrees
! Estimated noise=451.019 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 (5.2, -0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0444911 Jy
! Component: 100  -  total flux cleaned = 0.063161 Jy
! Total flux subtracted in 100 components = 0.063161 Jy
! Clean residual min=-0.020287 max=0.031443 Jy/beam
! Clean residual mean=-0.001953 rms=0.005124 Jy/beam
! Combined flux in latest and established models = 3.06667 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 31 components and 3.06667 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.243494Jy  sigma=0.002792
! Fit after  self-cal, rms=0.243162Jy  sigma=0.002787
! 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        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*    
! 
!  A total of 54 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        1.02     GC        1.00*    HN        0.96     
!   KK        1.00     KP        0.94     LA        0.98     MC        1.10     
!   MK        0.96     NL        0.97     NY        1.00     ON        1.04     
!   OV        1.02     PT        1.02     SC        0.95     WF        1.03     
!   WZ        1.01     
! 
!  A total of 21 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.01     HN        1.02     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        1.02     
!   MK        1.00*    NL        1.00*    NY        1.00     ON        1.00     
!   OV        1.00*    PT        1.00*    SC        1.00*    WF        1.03     
!   WZ        1.00     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   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*    
! 
!  A total of 81 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        1.01     GC        1.00*    HN        0.98     
!   KK        0.97     KP        0.96     LA        1.00     MC        1.10     
!   MK        0.99     NL        1.08     NY        0.99     ON        1.05     
!   OV        0.97     PT        0.96     SC        1.01     WF        1.02     
!   WZ        0.98     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00     HN        1.02     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        1.01     
!   MK        1.00*    NL        1.00*    NY        1.01     ON        1.03     
!   OV        1.00*    PT        1.00*    SC        1.00*    WF        1.03     
!   WZ        1.02     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   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*    
! 
!  A total of 123 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.99     GC        1.00*    HN        1.07     
!   KK        0.99     KP        1.04     LA        0.95     MC        1.32     
!   MK        0.95     NL        1.05     NY        1.00     ON        1.05     
!   OV        1.01     PT        1.00     SC        1.06     WF        1.05     
!   WZ        0.96     
! 
!  A total of 21 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        1.00     HN        1.03     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        1.08     
!   MK        1.00*    NL        1.00*    NY        1.00     ON        1.03     
!   OV        1.00*    PT        1.00*    SC        1.00*    WF        1.02     
!   WZ        0.97     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   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*    
! 
!  A total of 99 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.93     GC        1.00*    HN        1.05     
!   KK        1.00     KP        1.02     LA        0.91     MC        1.29     
!   MK        0.94     NL        1.07     NY        1.02     ON        1.07     
!   OV        0.96     PT        1.01     SC        1.08     WF        1.09     
!   WZ        0.96     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        1.00*    GC        0.99     HN        1.02     
!   KK        1.00*    KP        1.00*    LA        1.00*    MC        1.00*    
!   MK        1.00*    NL        1.00*    NY        1.00     ON        1.04     
!   OV        1.00*    PT        1.00*    SC        1.00*    WF        1.05     
!   WZ        1.00     
! 
! 
! Fit before self-cal, rms=0.243162Jy  sigma=0.002787
! Fit after  self-cal, rms=0.182785Jy  sigma=0.001839
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.752 mas, bmaj=3.901 mas, bpa=-6.924 degrees
! Estimated noise=449.909 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 = -0.0214513 Jy
! Component: 100  -  total flux cleaned = -0.0263291 Jy
! Total flux subtracted in 100 components = -0.0263291 Jy
! Clean residual min=-0.018721 max=0.017407 Jy/beam
! Clean residual mean=-0.000444 rms=0.002757 Jy/beam
! Combined flux in latest and established models = 3.04035 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 40 components and 3.04035 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179877Jy  sigma=0.001809
! Fit after  self-cal, rms=0.179793Jy  sigma=0.001808
! Inverting map 
! Added new window around map position (4, 6.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00380037 Jy
! Component: 100  -  total flux cleaned = 0.00206688 Jy
! Total flux subtracted in 100 components = 0.00206688 Jy
! Clean residual min=-0.014741 max=0.016244 Jy/beam
! Clean residual mean=-0.000461 rms=0.002656 Jy/beam
! Combined flux in latest and established models = 3.04241 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 50 components and 3.04241 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.177475Jy  sigma=0.001782
! Fit after  self-cal, rms=0.177415Jy  sigma=0.001781
! 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 = -0.000321368 Jy
! Component: 100  -  total flux cleaned = -0.00165431 Jy
! Total flux subtracted in 100 components = -0.00165431 Jy
! Clean residual min=-0.013621 max=0.014421 Jy/beam
! Clean residual mean=-0.000446 rms=0.002596 Jy/beam
! Combined flux in latest and established models = 3.04076 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 52 components and 3.04076 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.176170Jy  sigma=0.001767
! Fit after  self-cal, rms=0.133629Jy  sigma=0.001295
! Inverting map and beam 
! Estimated beam: bmin=2.751 mas, bmaj=3.925 mas, bpa=-7.764 degrees
! Estimated noise=450.064 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 = 5.27248e-05 Jy
! Component: 100  -  total flux cleaned = -0.00128503 Jy
! Total flux subtracted in 100 components = -0.00128503 Jy
! Clean residual min=-0.007030 max=0.005220 Jy/beam
! Clean residual mean=-0.000401 rms=0.001036 Jy/beam
! Combined flux in latest and established models = 3.03947 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 63 components and 3.03947 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.132968Jy  sigma=0.001286
! Fit after  self-cal, rms=0.132929Jy  sigma=0.001285
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0552+398_S
! Writing UV FITS file: 0552+398_S.uvf
! Writing 63 model components to file: 0552+398_S.mod
! wwins: Wrote 3 windows to 0552+398_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.751 x 3.925 at -7.764 degrees (North through East)
! Clean map  min=-0.0064947  max=2.7027 Jy/beam
! Writing clean map to FITS file: 0552+398_S.fits
! Writing difmap environment to: 0552+398_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0552+398_S]
device 0552+398_Suv.ps/vps,1,2
! Attempting to open device: '0552+398_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0552+398_Sim.ps/vps
! Attempting to open device: '0552+398_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=2.751 mas, bmaj=3.925 mas, bpa=-7.764 degrees
! Estimated noise=450.064 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.751 x 3.925 at -7.764 degrees (North through East)
! Clean map  min=-0.0064947  max=2.7027 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0552+398_S.log closed on Tue Jan 15 23:07:37 2008