! Started logfile: 0642+449_S.log on Fri Aug 12 13:10:23 2005
observe 0642+449_S.edt
! Reading UV FITS file: 0642+449_S.edt
! AN table 1: 121 integrations on 171 of 171 possible baselines.
! AN table 2: 30 integrations on 171 of 171 possible baselines.
! AN table 3: 30 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0816775 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 1565 lines of history.
! 
! Reading 10112 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 2127 telescope corrections were flagged in sub-array 1.
!  A total of 403 telescope corrections were flagged in sub-array 2.
!  A total of 463 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 2126 telescope corrections were flagged in sub-array 1.
!  A total of 403 telescope corrections were flagged in sub-array 2.
!  A total of 463 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 2133 telescope corrections were flagged in sub-array 1.
!  A total of 409 telescope corrections were flagged in sub-array 2.
!  A total of 463 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 2163 telescope corrections were flagged in sub-array 1.
!  A total of 403 telescope corrections were flagged in sub-array 2.
!  A total of 463 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.377402Jy  sigma=0.005973
! Fit after  self-cal, rms=0.377120Jy  sigma=0.006102
! 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=2.659 mas, bmaj=3.349 mas, bpa=-28.85 degrees
! Estimated noise=1122.83 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 = 0.486178 Jy
! Total flux subtracted in 50 components = 0.486178 Jy
! Clean residual min=-0.020502 max=0.135602 Jy/beam
! Clean residual mean=-0.000004 rms=0.006298 Jy/beam
! Combined flux in latest and established models = 0.486178 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 0.486178 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.194817Jy  sigma=0.002804
! Fit after  self-cal, rms=0.194817Jy  sigma=0.002804
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.107213 Jy
! Total flux subtracted in 50 components = 0.107213 Jy
! Clean residual min=-0.012167 max=0.040675 Jy/beam
! Clean residual mean=0.000018 rms=0.003218 Jy/beam
! Combined flux in latest and established models = 0.593391 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 0.593391 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.126780Jy  sigma=0.001726
! Fit after  self-cal, rms=0.126735Jy  sigma=0.001726
! Inverting map 
! Added new window around map position (3.2, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0416492 Jy
! Total flux subtracted in 50 components = 0.0416492 Jy
! Clean residual min=-0.010253 max=0.019301 Jy/beam
! Clean residual mean=0.000023 rms=0.002554 Jy/beam
! Combined flux in latest and established models = 0.63504 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 9 components and 0.63504 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112179Jy  sigma=0.001502
! Fit after  self-cal, rms=0.111763Jy  sigma=0.001496
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.023784 Jy
! Total flux subtracted in 50 components = 0.023784 Jy
! Clean residual min=-0.009485 max=0.012633 Jy/beam
! Clean residual mean=0.000027 rms=0.002283 Jy/beam
! Combined flux in latest and established models = 0.658824 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 15 components and 0.658824 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106238Jy  sigma=0.001417
! Fit after  self-cal, rms=0.106071Jy  sigma=0.001415
! 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=3.052 mas, bmaj=3.967 mas, bpa=-15.48 degrees
! Estimated noise=680.077 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 = 0.0192924 Jy
! Component: 100  -  total flux cleaned = 0.0292201 Jy
! Total flux subtracted in 100 components = 0.0292201 Jy
! Clean residual min=-0.009428 max=0.010911 Jy/beam
! Clean residual mean=0.000122 rms=0.001938 Jy/beam
! Combined flux in latest and established models = 0.688044 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 24 components and 0.688044 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102165Jy  sigma=0.001369
! Fit after  self-cal, rms=0.101901Jy  sigma=0.001365
! 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 75 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        1.00*    GC        1.04     HH        1.20     
!   HN        1.01     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.05     MK        1.00*    NL        0.97     NY        0.98     
!   ON        0.96     OV        1.00*    PT        1.00*    SC        1.04     
!   TS        1.00*    WF        0.99     WZ        0.92     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.08     KK        1.00*    KP        1.09     LA        1.05     
!   MC        1.00*    MK        0.91     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        1.02     SC        1.07     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00     KP        0.98     LA        0.97     
!   MC        1.00*    MK        0.97     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.98     SC        1.00*    
!   TS        1.04     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 78 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.00*    GC        1.02     HH        1.17     
!   HN        1.00     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.16     MK        1.00*    NL        1.00     NY        1.01     
!   ON        0.94     OV        1.00*    PT        1.00*    SC        1.08     
!   TS        1.00*    WF        0.93     WZ        0.91     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.06     KK        1.00*    KP        1.00     LA        1.01     
!   MC        1.00*    MK        1.00     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.04     PT        1.01     SC        1.06     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.96     KP        0.98     LA        0.98     
!   MC        1.00*    MK        1.01     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.97     SC        1.00*    
!   TS        1.13     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 75 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00*    GC        1.05     HH        0.94     
!   HN        0.99     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.95     MK        1.00*    NL        0.99     NY        1.05     
!   ON        0.94     OV        1.00*    PT        1.00*    SC        1.08     
!   TS        1.00*    WF        0.99     WZ        0.89     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.05     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        1.00     LA        1.27     
!   MC        1.00*    MK        0.90     NL        1.04     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.96     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.94     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.07     KP        0.94     LA        1.09     
!   MC        1.00*    MK        0.97     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.96     SC        1.00*    
!   TS        1.09     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 66 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.00*    GC        1.02     HH        0.98     
!   HN        0.94     KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        1.06     MK        1.00*    NL        0.95     NY        0.91     
!   ON        0.97     OV        1.00*    PT        1.00*    SC        1.11     
!   TS        1.00*    WF        0.97     WZ        0.89     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.03     LA        0.95     
!   MC        1.00*    MK        0.86     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.95     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.95     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.03     KP        0.94     LA        0.94     
!   MC        1.00*    MK        0.96     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.96     SC        1.00*    
!   TS        1.02     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.101901Jy  sigma=0.001365
! Fit after  self-cal, rms=0.085355Jy  sigma=0.001162
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.016 mas, bmaj=4.352 mas, bpa=-13.77 degrees
! Estimated noise=676.461 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 = 0.00234041 Jy
! Component: 100  -  total flux cleaned = 0.0030795 Jy
! Total flux subtracted in 100 components = 0.0030795 Jy
! Clean residual min=-0.004163 max=0.005020 Jy/beam
! Clean residual mean=0.000059 rms=0.000932 Jy/beam
! Combined flux in latest and established models = 0.691124 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 30 components and 0.691123 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085092Jy  sigma=0.001157
! Fit after  self-cal, rms=0.085093Jy  sigma=0.001157
! 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)
! Added new window around map position (-4.8, 9.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00251587 Jy
! Component: 100  -  total flux cleaned = 0.00296214 Jy
! Total flux subtracted in 100 components = 0.00296214 Jy
! Clean residual min=-0.003746 max=0.003833 Jy/beam
! Clean residual mean=0.000056 rms=0.000891 Jy/beam
! Combined flux in latest and established models = 0.694086 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 35 components and 0.694086 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084788Jy  sigma=0.001151
! Fit after  self-cal, rms=0.082274Jy  sigma=0.001104
! Inverting map and beam 
! Estimated beam: bmin=3.018 mas, bmaj=4.344 mas, bpa=-13.54 degrees
! Estimated noise=678.141 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 = 0.00245903 Jy
! Component: 100  -  total flux cleaned = 0.00295628 Jy
! Total flux subtracted in 100 components = 0.00295628 Jy
! Clean residual min=-0.002885 max=0.003150 Jy/beam
! Clean residual mean=0.000045 rms=0.000727 Jy/beam
! Combined flux in latest and established models = 0.697042 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 47 components and 0.697042 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082187Jy  sigma=0.001103
! Fit after  self-cal, rms=0.082179Jy  sigma=0.001103
! 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 47 model components to file: 0642+449_S.mod
! wwins: Wrote 3 windows to 0642+449_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.018 x 4.344 at -13.54 degrees (North through East)
! Clean map  min=-0.0028148  max=0.62106 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=3.018 mas, bmaj=4.344 mas, bpa=-13.54 degrees
! Estimated noise=678.141 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.018 x 4.344 at -13.54 degrees (North through East)
! Clean map  min=-0.0028148  max=0.62106 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0642+449_S.log closed on Fri Aug 12 13:11:00 2005