! Started logfile: 0642+449_S.log on Thu Jan 17 10:20:50 2008
observe 0642+449_S.edt
! Reading UV FITS file: 0642+449_S.edt
! AN table 1: 64 integrations on 136 of 136 possible baselines.
! AN table 2: 42 integrations on 136 of 136 possible baselines.
! AN table 3: 129 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.26674 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0642+449
! 
! 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 34100 visibilities.
![@gonzo7-0.4 0642+449_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 614 telescope corrections were flagged in sub-array 1.
!  A total of 466 telescope corrections were flagged in sub-array 2.
!  A total of 1831 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 612 telescope corrections were flagged in sub-array 1.
!  A total of 466 telescope corrections were flagged in sub-array 2.
!  A total of 1853 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 614 telescope corrections were flagged in sub-array 1.
!  A total of 466 telescope corrections were flagged in sub-array 2.
!  A total of 1880 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 612 telescope corrections were flagged in sub-array 1.
!  A total of 470 telescope corrections were flagged in sub-array 2.
!  A total of 1883 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.376830Jy  sigma=0.004487
! Fit after  self-cal, rms=0.374578Jy  sigma=0.004498
! 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=2.09 mas, bmaj=2.605 mas, bpa=-12.71 degrees
! Estimated noise=892.009 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 = 0.481034 Jy
! Total flux subtracted in 50 components = 0.481034 Jy
! Clean residual min=-0.013403 max=0.134202 Jy/beam
! Clean residual mean=0.000076 rms=0.003915 Jy/beam
! Combined flux in latest and established models = 0.481034 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 0.481034 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.215409Jy  sigma=0.002777
! Fit after  self-cal, rms=0.215409Jy  sigma=0.002777
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.105379 Jy
! Total flux subtracted in 50 components = 0.105379 Jy
! Clean residual min=-0.008429 max=0.034215 Jy/beam
! Clean residual mean=0.000042 rms=0.002354 Jy/beam
! Combined flux in latest and established models = 0.586413 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 3 model components to the UV plane model.
! The established model now contains 3 components and 0.586413 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148018Jy  sigma=0.001844
! Fit after  self-cal, rms=0.147995Jy  sigma=0.001844
! Inverting map 
! Added new window around map position (2.8, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0396518 Jy
! Total flux subtracted in 50 components = 0.0396518 Jy
! Clean residual min=-0.007604 max=0.020517 Jy/beam
! Clean residual mean=0.000029 rms=0.002067 Jy/beam
! Combined flux in latest and established models = 0.626065 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 16 components and 0.626065 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.133586Jy  sigma=0.001612
! Fit after  self-cal, rms=0.133294Jy  sigma=0.001609
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0266938 Jy
! Total flux subtracted in 50 components = 0.0266938 Jy
! Clean residual min=-0.007194 max=0.014714 Jy/beam
! Clean residual mean=0.000020 rms=0.001911 Jy/beam
! Combined flux in latest and established models = 0.652758 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 24 components and 0.652759 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125921Jy  sigma=0.001485
! Fit after  self-cal, rms=0.125812Jy  sigma=0.001484
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0194079 Jy
! Total flux subtracted in 50 components = 0.0194079 Jy
! Clean residual min=-0.007236 max=0.011613 Jy/beam
! Clean residual mean=0.000014 rms=0.001825 Jy/beam
! Combined flux in latest and established models = 0.672166 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 31 components and 0.672166 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.121689Jy  sigma=0.001411
! Fit after  self-cal, rms=0.121645Jy  sigma=0.001411
! 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=2.513 mas, bmaj=3.356 mas, bpa=13.59 degrees
! Estimated noise=482.698 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 = 0.0314097 Jy
! Component: 100  -  total flux cleaned = 0.0469009 Jy
! Total flux subtracted in 100 components = 0.0469009 Jy
! Clean residual min=-0.005262 max=0.012691 Jy/beam
! Clean residual mean=0.000001 rms=0.001542 Jy/beam
! Combined flux in latest and established models = 0.719067 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 41 components and 0.719067 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115711Jy  sigma=0.001298
! Fit after  self-cal, rms=0.115623Jy  sigma=0.001297
! Inverting map 
! Added new window around map position (1.6, 6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.011809 Jy
! Component: 100  -  total flux cleaned = 0.0185177 Jy
! Total flux subtracted in 100 components = 0.0185177 Jy
! Clean residual min=-0.005165 max=0.009525 Jy/beam
! Clean residual mean=-0.000081 rms=0.001327 Jy/beam
! Combined flux in latest and established models = 0.737585 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 59 components and 0.737585 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114702Jy  sigma=0.001279
! Fit after  self-cal, rms=0.114637Jy  sigma=0.001278
! 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 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.04     GC        1.00     HN        1.00     
!   KK        1.05     KP        0.95     LA        0.98     MC        1.04     
!   MK        0.99     NL        0.97     NY        0.98     ON        1.03     
!   OV        0.97     PT        1.03     SC        0.98     WF        1.06     
!   WZ        1.03     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.04     GC        1.00*    HN        0.97     
!   KK        1.05     KP        0.93     LA        0.98     MC        1.23     
!   MK        0.97     NL        0.96     NY        1.01     ON        1.03     
!   OV        1.03     PT        1.03     SC        0.97     WF        1.06     
!   WZ        0.89     
! 
!  A total of 45 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.02     GC        0.99     HN        1.00     
!   KK        0.98     KP        0.93     LA        0.97     MC        1.03     
!   MK        1.01     NL        1.01     NY        1.00     ON        1.00     
!   OV        1.03     PT        1.03     SC        0.95     WF        1.02     
!   WZ        1.02     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.02     GC        0.98     HN        1.02     
!   KK        1.00     KP        1.00     LA        1.01     MC        1.08     
!   MK        0.96     NL        1.08     NY        0.97     ON        0.98     
!   OV        0.94     PT        0.97     SC        1.06     WF        1.00     
!   WZ        0.97     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.03     GC        1.00*    HN        0.99     
!   KK        0.99     KP        0.97     LA        1.01     MC        1.04     
!   MK        0.99     NL        1.03     NY        1.01     ON        1.05     
!   OV        0.98     PT        0.96     SC        1.06     WF        1.03     
!   WZ        0.87     
! 
!  A total of 33 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.95     FD        1.00     GC        0.97     HN        1.00     
!   KK        0.94     KP        0.98     LA        0.99     MC        1.18     
!   MK        0.98     NL        1.13     NY        0.98     ON        1.00     
!   OV        0.96     PT        0.96     SC        1.03     WF        1.00     
!   WZ        0.97     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.99     GC        0.98     HN        1.08     
!   KK        1.01     KP        1.01     LA        0.97     MC        1.10     
!   MK        0.91     NL        1.05     NY        0.97     ON        1.04     
!   OV        0.95     PT        1.00     SC        1.11     WF        1.06     
!   WZ        0.95     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.00     GC        1.00*    HN        1.09     
!   KK        1.01     KP        1.05     LA        0.96     MC        1.27     
!   MK        0.96     NL        1.03     NY        1.01     ON        1.06     
!   OV        1.03     PT        1.01     SC        1.15     WF        1.05     
!   WZ        0.86     
! 
!  A total of 30 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        0.96     GC        0.98     HN        1.07     
!   KK        1.00     KP        1.00     LA        0.95     MC        1.43     
!   MK        0.93     NL        1.08     NY        0.99     ON        1.05     
!   OV        1.01     PT        1.01     SC        1.08     WF        1.01     
!   WZ        0.93     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        0.94     GC        1.01     HN        1.06     
!   KK        0.96     KP        1.01     LA        0.91     MC        1.16     
!   MK        0.89     NL        1.06     NY        0.97     ON        1.05     
!   OV        0.87     PT        0.98     SC        1.16     WF        1.13     
!   WZ        0.96     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.93     GC        1.00*    HN        1.07     
!   KK        1.04     KP        1.05     LA        0.92     MC        1.25     
!   MK        0.95     NL        1.03     NY        1.03     ON        1.02     
!   OV        0.97     PT        1.00     SC        1.18     WF        1.10     
!   WZ        0.88     
! 
!  A total of 39 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        0.91     GC        1.01     HN        1.05     
!   KK        0.99     KP        1.02     LA        0.90     MC        1.34     
!   MK        0.90     NL        1.11     NY        0.99     ON        1.08     
!   OV        0.95     PT        1.05     SC        1.08     WF        1.08     
!   WZ        0.93     
! 
! 
! Fit before self-cal, rms=0.114637Jy  sigma=0.001278
! Fit after  self-cal, rms=0.106038Jy  sigma=0.001124
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.534 mas, bmaj=3.377 mas, bpa=14.59 degrees
! Estimated noise=482.613 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 (10.4, 3.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000704019 Jy
! Component: 100  -  total flux cleaned = 0.000180127 Jy
! Total flux subtracted in 100 components = 0.000180127 Jy
! Clean residual min=-0.002869 max=0.002727 Jy/beam
! Clean residual mean=-0.000036 rms=0.000648 Jy/beam
! Combined flux in latest and established models = 0.737765 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 68 components and 0.737765 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105839Jy  sigma=0.001121
! Fit after  self-cal, rms=0.105843Jy  sigma=0.001121
! 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 = -7.283e-05 Jy
! Component: 100  -  total flux cleaned = -0.000560586 Jy
! Total flux subtracted in 100 components = -0.000560586 Jy
! Clean residual min=-0.002816 max=0.002699 Jy/beam
! Clean residual mean=-0.000034 rms=0.000638 Jy/beam
! Combined flux in latest and established models = 0.737205 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 77 components and 0.737205 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105744Jy  sigma=0.001120
! Fit after  self-cal, rms=0.102805Jy  sigma=0.001084
! Inverting map and beam 
! Estimated beam: bmin=2.533 mas, bmaj=3.379 mas, bpa=14.32 degrees
! Estimated noise=483.181 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 = -0.000544805 Jy
! Component: 100  -  total flux cleaned = -0.000696124 Jy
! Total flux subtracted in 100 components = -0.000696125 Jy
! Clean residual min=-0.002331 max=0.002498 Jy/beam
! Clean residual mean=0.000018 rms=0.000538 Jy/beam
! Combined flux in latest and established models = 0.736508 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 86 components and 0.736509 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102735Jy  sigma=0.001084
! Fit after  self-cal, rms=0.102731Jy  sigma=0.001084
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0642+449_S
! Writing UV FITS file: 0642+449_S.uvf
! Writing 86 model components to file: 0642+449_S.mod
! wwins: Wrote 4 windows to 0642+449_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.533 x 3.379 at 14.32 degrees (North through East)
! Clean map  min=-0.0028436  max=0.63427 Jy/beam
! Writing clean map to FITS file: 0642+449_S.fits
! Writing difmap environment to: 0642+449_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0642+449_S]
device 0642+449_Suv.ps/vps,1,2
! Attempting to open device: '0642+449_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0642+449_Sim.ps/vps
! Attempting to open device: '0642+449_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=2.533 mas, bmaj=3.379 mas, bpa=14.32 degrees
! Estimated noise=483.181 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.533 x 3.379 at 14.32 degrees (North through East)
! Clean map  min=-0.0028436  max=0.63427 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0642+449_S.log closed on Thu Jan 17 10:20:58 2008