! Started logfile: 1908-201_S.log on Fri Apr 24 14:57:51 2009
observe 1908-201_S.edt2
! Reading UV FITS file: 1908-201_S.edt2
! AN table 1: 70 integrations on 190 of 190 possible baselines.
! AN table 2: 23 integrations on 190 of 190 possible baselines.
! AN table 3: 7 integrations on 190 of 190 possible baselines.
! AN table 4: 41 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.0992535 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1908-201
! 
! 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 1481 lines of history.
! 
! Reading 10636 visibilities.
![@gonzo8-0.4 1908-201_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 = 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 0.400x0.400 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 1208 telescope corrections were flagged in sub-array 1.
!  A total of 406 telescope corrections were flagged in sub-array 2.
!  A total of 140 telescope corrections were flagged in sub-array 3.
!  A total of 704 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 1241 telescope corrections were flagged in sub-array 1.
!  A total of 406 telescope corrections were flagged in sub-array 2.
!  A total of 140 telescope corrections were flagged in sub-array 3.
!  A total of 705 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 1205 telescope corrections were flagged in sub-array 1.
!  A total of 406 telescope corrections were flagged in sub-array 2.
!  A total of 140 telescope corrections were flagged in sub-array 3.
!  A total of 720 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 1193 telescope corrections were flagged in sub-array 1.
!  A total of 406 telescope corrections were flagged in sub-array 2.
!  A total of 140 telescope corrections were flagged in sub-array 3.
!  A total of 708 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.858260Jy  sigma=4.883629
! Fit after  self-cal, rms=0.786130Jy  sigma=4.817047
! 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=1.784 mas, bmaj=3.692 mas, bpa=7.186 degrees
! Estimated noise=3.68876 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 = 0.851896 Jy
! Total flux subtracted in 50 components = 0.851896 Jy
! Clean residual min=-0.084512 max=0.331064 Jy/beam
! Clean residual mean=-0.000965 rms=0.029956 Jy/beam
! Combined flux in latest and established models = 0.851896 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.851896 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.833419Jy  sigma=5.133649
! Fit after  self-cal, rms=0.833332Jy  sigma=5.133189
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.363581 Jy
! Total flux subtracted in 50 components = 0.363581 Jy
! Clean residual min=-0.062355 max=0.171939 Jy/beam
! Clean residual mean=-0.000733 rms=0.022270 Jy/beam
! Combined flux in latest and established models = 1.21548 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 17 components and 1.21548 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.660807Jy  sigma=3.900004
! Fit after  self-cal, rms=0.660709Jy  sigma=3.899294
! 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=2.333 mas, bmaj=4.739 mas, bpa=4.199 degrees
! Estimated noise=2.43215 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 = 0.306453 Jy
! Component: 100  -  total flux cleaned = 0.454512 Jy
! Total flux subtracted in 100 components = 0.454512 Jy
! Clean residual min=-0.078967 max=0.243893 Jy/beam
! Clean residual mean=0.011011 rms=0.029451 Jy/beam
! Combined flux in latest and established models = 1.66999 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 41 components and 1.66999 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.551530Jy  sigma=2.927943
! Fit after  self-cal, rms=0.551391Jy  sigma=2.926733
! Inverting map 
! Added new window around map position (6.4, 2.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.222199 Jy
! Component: 100  -  total flux cleaned = 0.334464 Jy
! Total flux subtracted in 100 components = 0.334464 Jy
! Clean residual min=-0.060936 max=0.167051 Jy/beam
! Clean residual mean=0.005085 rms=0.019859 Jy/beam
! Combined flux in latest and established models = 2.00445 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 71 components and 2.00445 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.471295Jy  sigma=2.342579
! Fit after  self-cal, rms=0.462191Jy  sigma=2.267215
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.95     GC        1.00*    HH        0.82     
!   HN        0.82     KK        1.00*    KP        0.95     LA        1.02     
!   MA        1.27     MC        0.87     MK        1.00*    NL        1.32     
!   NY        1.00*    ON        1.05     OV        0.93     PT        0.87     
!   SC        0.98     TS        1.00*    WF        0.94     WZ        0.91     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.90     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        0.91     KK        1.00*    KP        1.13     LA        1.83     
!   MA        1.00*    MC        1.00*    MK        1.00*    NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.09     PT        0.83     
!   SC        1.00*    TS        1.00*    WF        1.07     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        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*    
! 
!  A total of 54 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.85     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        0.84     KK        1.03     KP        0.99     LA        1.12     
!   MA        1.00*    MC        1.00*    MK        0.89     NL        1.62     
!   NY        1.00*    ON        1.00*    OV        0.90     PT        0.82     
!   SC        1.10     TS        1.00*    WF        0.96     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.90     GC        1.00*    HH        0.77     
!   HN        0.88     KK        1.00*    KP        1.01     LA        1.04     
!   MA        1.03     MC        0.87     MK        1.00*    NL        1.26     
!   NY        1.00*    ON        0.88     OV        0.89     PT        0.91     
!   SC        0.86     TS        1.00*    WF        0.92     WZ        0.98     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.17     LA        1.78     
!   MA        1.00*    MC        1.00*    MK        1.00*    NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.03     PT        0.94     
!   SC        1.00*    TS        1.00*    WF        1.09     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        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*    
! 
!  A total of 54 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.85     FD        0.85     GC        1.00*    HH        1.00*    
!   HN        0.88     KK        1.11     KP        1.04     LA        1.12     
!   MA        1.00*    MC        1.00*    MK        0.91     NL        1.73     
!   NY        1.00*    ON        1.00*    OV        0.83     PT        0.90     
!   SC        0.92     TS        1.00*    WF        0.96     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.87     GC        1.00*    HH        1.74     
!   HN        1.09     KK        1.00*    KP        1.03     LA        0.97     
!   MA        1.10     MC        1.25     MK        1.00*    NL        0.75     
!   NY        1.00*    ON        0.89     OV        1.00     PT        0.97     
!   SC        1.02     TS        1.00*    WF        0.95     WZ        0.91     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.91     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.67     KK        1.00*    KP        1.31     LA        1.68     
!   MA        1.00*    MC        1.00*    MK        1.00*    NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        0.93     PT        0.88     
!   SC        1.00*    TS        1.00*    WF        1.66     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        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*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.92     FD        0.85     GC        1.00*    HH        1.00*    
!   HN        1.31     KK        1.05     KP        1.07     LA        1.07     
!   MA        1.00*    MC        1.00*    MK        0.89     NL        1.65     
!   NY        1.00*    ON        1.00*    OV        0.91     PT        0.93     
!   SC        1.03     TS        1.00*    WF        1.17     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.77     GC        1.00*    HH        0.79     
!   HN        1.10     KK        1.00*    KP        1.07     LA        0.85     
!   MA        0.91     MC        1.02     MK        1.00*    NL        1.16     
!   NY        1.00*    ON        0.99     OV        0.88     PT        0.91     
!   SC        0.92     TS        1.00*    WF        0.95     WZ        1.01     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.16     KK        1.00*    KP        1.27     LA        1.57     
!   MA        1.00*    MC        1.00*    MK        1.00*    NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.07     PT        0.96     
!   SC        1.00*    TS        1.00*    WF        1.03     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        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*    
! 
!  A total of 51 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.88     FD        0.77     GC        1.00*    HH        1.00*    
!   HN        1.08     KK        0.93     KP        1.08     LA        0.82     
!   MA        1.00*    MC        1.00*    MK        0.89     NL        1.86     
!   NY        1.00*    ON        1.00*    OV        0.83     PT        0.91     
!   SC        0.99     TS        1.00*    WF        0.94     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.462191Jy  sigma=2.267215
! Fit after  self-cal, rms=0.431461Jy  sigma=1.572031
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.29 mas, bmaj=4.806 mas, bpa=2.806 degrees
! Estimated noise=2.45353 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 = 0.0254488 Jy
! Component: 100  -  total flux cleaned = 0.0253134 Jy
! Total flux subtracted in 100 components = 0.0253134 Jy
! Clean residual min=-0.037177 max=0.047572 Jy/beam
! Clean residual mean=0.003047 rms=0.009488 Jy/beam
! Combined flux in latest and established models = 2.02977 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 84 components and 2.02977 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.425060Jy  sigma=1.550317
! Fit after  self-cal, rms=0.424705Jy  sigma=1.544278
! 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 = 0.00421885 Jy
! Component: 100  -  total flux cleaned = 0.00489735 Jy
! Total flux subtracted in 100 components = 0.00489735 Jy
! Clean residual min=-0.035869 max=0.039697 Jy/beam
! Clean residual mean=0.002981 rms=0.009344 Jy/beam
! Combined flux in latest and established models = 2.03466 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 89 components and 2.03466 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.422616Jy  sigma=1.538776
! Fit after  self-cal, rms=0.491362Jy  sigma=0.995926
! Inverting map and beam 
! Estimated beam: bmin=2.356 mas, bmaj=4.845 mas, bpa=2.662 degrees
! Estimated noise=2.48723 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 (-4, 0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0108388 Jy
! Component: 100  -  total flux cleaned = 0.0142188 Jy
! Total flux subtracted in 100 components = 0.0142188 Jy
! Clean residual min=-0.016964 max=0.024712 Jy/beam
! Clean residual mean=0.002002 rms=0.004182 Jy/beam
! Combined flux in latest and established models = 2.04888 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 98 components and 2.04888 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.488564Jy  sigma=0.966048
! Fit after  self-cal, rms=0.488422Jy  sigma=0.959816
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1908-201_S
! Writing UV FITS file: 1908-201_S.uvf
! Writing 98 model components to file: 1908-201_S.mod
! wwins: Wrote 3 windows to 1908-201_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.356 x 4.845 at 2.662 degrees (North through East)
! Clean map  min=-0.016219  max=1.0947 Jy/beam
! Writing clean map to FITS file: 1908-201_S.fits
! Writing difmap environment to: 1908-201_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1908-201_S]
device 1908-201_Suv.ps/vps,1,2
! Attempting to open device: '1908-201_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1908-201_Sim.ps/vps
! Attempting to open device: '1908-201_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=2.356 mas, bmaj=4.845 mas, bpa=2.662 degrees
! Estimated noise=2.48723 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.356 x 4.845 at 2.662 degrees (North through East)
! Clean map  min=-0.016219  max=1.0947 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.4]
quit
! Quitting program
! Log file 1908-201_S.log closed on Fri Apr 24 14:57:58 2009