! Started logfile: 1637+574_S.log on Thu Mar 19 14:26:40 2009
observe 1637+574_S.edt2
! Reading UV FITS file: 1637+574_S.edt2
! AN table 1: 60 integrations on 190 of 190 possible baselines.
! AN table 2: 92 integrations on 190 of 190 possible baselines.
! AN table 3: 21 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.246243 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1637+574
! 
! 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 1477 lines of history.
! 
! Reading 32376 visibilities.
![@gonzo8-0.4 1637+574_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 626 telescope corrections were flagged in sub-array 1.
!  A total of 1300 telescope corrections were flagged in sub-array 2.
!  A total of 393 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 620 telescope corrections were flagged in sub-array 1.
!  A total of 1248 telescope corrections were flagged in sub-array 2.
!  A total of 393 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 620 telescope corrections were flagged in sub-array 1.
!  A total of 1242 telescope corrections were flagged in sub-array 2.
!  A total of 393 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 611 telescope corrections were flagged in sub-array 1.
!  A total of 1241 telescope corrections were flagged in sub-array 2.
!  A total of 393 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.604110Jy  sigma=6.603012
! Fit after  self-cal, rms=0.602359Jy  sigma=6.603071
! 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=1.876 mas, bmaj=2.164 mas, bpa=-30.39 degrees
! Estimated noise=0.775511 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 = 0.345469 Jy
! Total flux subtracted in 50 components = 0.345469 Jy
! Clean residual min=-0.028530 max=0.120392 Jy/beam
! Clean residual mean=0.000274 rms=0.006968 Jy/beam
! Combined flux in latest and established models = 0.345469 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 5 components and 0.345469 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.323029Jy  sigma=3.747985
! Fit after  self-cal, rms=0.322780Jy  sigma=3.747435
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.133162 Jy
! Total flux subtracted in 50 components = 0.133162 Jy
! Clean residual min=-0.020082 max=0.064039 Jy/beam
! Clean residual mean=0.000198 rms=0.004841 Jy/beam
! Combined flux in latest and established models = 0.478631 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 6 components and 0.478631 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.268446Jy  sigma=2.765536
! Fit after  self-cal, rms=0.267182Jy  sigma=2.757753
! Inverting map 
! Added new window around map position (-0.8, -2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0760037 Jy
! Total flux subtracted in 50 components = 0.0760037 Jy
! Clean residual min=-0.016544 max=0.038447 Jy/beam
! Clean residual mean=0.000154 rms=0.003871 Jy/beam
! Combined flux in latest and established models = 0.554635 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 12 components and 0.554635 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246060Jy  sigma=2.327565
! Fit after  self-cal, rms=0.245162Jy  sigma=2.319903
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0489893 Jy
! Total flux subtracted in 50 components = 0.0489893 Jy
! Clean residual min=-0.013718 max=0.025776 Jy/beam
! Clean residual mean=0.000126 rms=0.003362 Jy/beam
! Combined flux in latest and established models = 0.603624 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 0.603624 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.235719Jy  sigma=2.100720
! Fit after  self-cal, rms=0.235357Jy  sigma=2.097755
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0326978 Jy
! Total flux subtracted in 50 components = 0.0326978 Jy
! Clean residual min=-0.012683 max=0.020482 Jy/beam
! Clean residual mean=0.000107 rms=0.003101 Jy/beam
! Combined flux in latest and established models = 0.636322 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 15 components and 0.636322 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.230969Jy  sigma=1.982666
! Fit after  self-cal, rms=0.230787Jy  sigma=1.981353
! 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=2.234 mas, bmaj=2.604 mas, bpa=-29.54 degrees
! Estimated noise=0.43617 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 = 0.0381701 Jy
! Component: 100  -  total flux cleaned = 0.0598415 Jy
! Total flux subtracted in 100 components = 0.0598415 Jy
! Clean residual min=-0.010554 max=0.019652 Jy/beam
! Clean residual mean=0.000420 rms=0.003032 Jy/beam
! Combined flux in latest and established models = 0.696163 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 27 components and 0.696163 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.227054Jy  sigma=1.845688
! Fit after  self-cal, rms=0.226862Jy  sigma=1.842887
! 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        0.87     FD        0.99     GC        0.96     HH        1.00*    
!   HN        0.87     KK        0.98     KP        0.85     LA        1.21     
!   MA        2.00     MC        0.97     MK        0.88     NL        1.82     
!   NY        0.94     ON        1.00*    OV        0.96     PT        0.89     
!   SC        1.05     TS        0.99     WF        0.98     WZ        0.86     
! 
!  A total of 69 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.87     FD        1.05     GC        0.97     HH        1.00*    
!   HN        0.83     KK        1.00*    KP        0.98     LA        1.09     
!   MA        1.00*    MC        1.06     MK        1.00*    NL        0.84     
!   NY        0.87     ON        1.00*    OV        1.00*    PT        0.90     
!   SC        1.16     TS        1.12     WF        0.99     WZ        1.04     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  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*    
! 
! 
! Correcting IF 2.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.84     FD        0.92     GC        0.98     HH        1.00*    
!   HN        0.91     KK        0.95     KP        1.07     LA        1.19     
!   MA        2.57     MC        0.84     MK        0.93     NL        1.91     
!   NY        0.94     ON        0.88     OV        0.89     PT        0.96     
!   SC        0.93     TS        0.97     WF        1.00     WZ        0.86     
! 
!  A total of 51 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.86     FD        0.97     GC        0.99     HH        1.00*    
!   HN        2.95     KK        1.00*    KP        1.08     LA        1.11     
!   MA        1.00     MC        1.00     MK        1.00*    NL        0.94     
!   NY        0.96     ON        1.00*    OV        1.00*    PT        0.99     
!   SC        0.94     TS        1.02     WF        2.20     WZ        0.96     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  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*    
! 
! 
! Correcting IF 3.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.89     GC        0.94     HH        1.00*    
!   HN        1.13     KK        0.96     KP        1.08     LA        1.10     
!   MA        1.32     MC        0.94     MK        0.93     NL        2.50     
!   NY        0.83     ON        1.00*    OV        0.97     PT        0.98     
!   SC        1.13     TS        0.96     WF        1.17     WZ        0.80     
! 
!  A total of 54 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        0.93     GC        1.00     HH        1.00*    
!   HN        1.09     KK        1.00*    KP        1.14     LA        1.04     
!   MA        0.82     MC        1.72     MK        1.00*    NL        0.91     
!   NY        0.99     ON        1.00*    OV        1.00*    PT        1.07     
!   SC        1.14     TS        0.94     WF        0.98     WZ        0.95     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  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*    
! 
! 
! Correcting IF 4.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.90     FD        0.79     GC        1.03     HH        1.00*    
!   HN        1.10     KK        1.01     KP        1.13     LA        0.89     
!   MA        1.41     MC        0.92     MK        0.92     NL        2.08     
!   NY        0.93     ON        0.84     OV        0.88     PT        0.99     
!   SC        1.05     TS        0.96     WF        0.94     WZ        0.90     
! 
!  A total of 51 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.82     GC        1.00     HH        1.00*    
!   HN        1.07     KK        1.00*    KP        1.17     LA        0.90     
!   MA        1.34     MC        1.55     MK        1.00*    NL        0.94     
!   NY        0.97     ON        1.00*    OV        1.00*    PT        1.01     
!   SC        1.08     TS        0.93     WF        0.98     WZ        1.03     
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  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*    
! 
! 
! Fit before self-cal, rms=0.226862Jy  sigma=1.842887
! Fit after  self-cal, rms=0.301171Jy  sigma=1.367532
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.255 mas, bmaj=2.616 mas, bpa=-29.59 degrees
! Estimated noise=0.431253 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 = 0.0100452 Jy
! Component: 100  -  total flux cleaned = 0.0113254 Jy
! Total flux subtracted in 100 components = 0.0113254 Jy
! Clean residual min=-0.002965 max=0.004806 Jy/beam
! Clean residual mean=0.000198 rms=0.000806 Jy/beam
! Combined flux in latest and established models = 0.707489 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 37 components and 0.707489 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.300814Jy  sigma=1.359588
! Fit after  self-cal, rms=0.300824Jy  sigma=1.357499
! 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 = 0.00207742 Jy
! Component: 100  -  total flux cleaned = 0.00238655 Jy
! Total flux subtracted in 100 components = 0.00238655 Jy
! Clean residual min=-0.003060 max=0.004560 Jy/beam
! Clean residual mean=0.000186 rms=0.000781 Jy/beam
! Combined flux in latest and established models = 0.709876 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 43 components and 0.709875 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.300736Jy  sigma=1.356919
! Fit after  self-cal, rms=0.355199Jy  sigma=1.297659
! Inverting map and beam 
! Estimated beam: bmin=2.252 mas, bmaj=2.619 mas, bpa=-29.09 degrees
! Estimated noise=0.432069 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 (-8.4, -11.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00463989 Jy
! Component: 100  -  total flux cleaned = 0.00750704 Jy
! Total flux subtracted in 100 components = 0.00750704 Jy
! Clean residual min=-0.002604 max=0.003101 Jy/beam
! Clean residual mean=0.000140 rms=0.000652 Jy/beam
! Combined flux in latest and established models = 0.717383 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 54 components and 0.717382 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.355128Jy  sigma=1.295410
! Fit after  self-cal, rms=0.355150Jy  sigma=1.294984
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1637+574_S
! Writing UV FITS file: 1637+574_S.uvf
! Writing 54 model components to file: 1637+574_S.mod
! wwins: Wrote 3 windows to 1637+574_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.252 x 2.619 at -29.09 degrees (North through East)
! Clean map  min=-0.0024482  max=0.47173 Jy/beam
! Writing clean map to FITS file: 1637+574_S.fits
! Writing difmap environment to: 1637+574_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1637+574_S]
device 1637+574_Suv.ps/vps,1,2
! Attempting to open device: '1637+574_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1637+574_Sim.ps/vps
! Attempting to open device: '1637+574_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=2.252 mas, bmaj=2.619 mas, bpa=-29.09 degrees
! Estimated noise=0.432069 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.252 x 2.619 at -29.09 degrees (North through East)
! Clean map  min=-0.0024482  max=0.47173 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.4]
quit
! Quitting program
! Log file 1637+574_S.log closed on Thu Mar 19 14:26:51 2009