! Started logfile: 0642+449_S.log on Tue Apr 15 19:42:44 2008
observe 0642+449_S.edt
! Reading UV FITS file: 0642+449_S.edt
! AN table 1: 111 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.339987 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 955 lines of history.
! 
! Reading 23096 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 1334 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1340 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1317 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1445 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.335225Jy  sigma=0.003979
! Fit after  self-cal, rms=0.334020Jy  sigma=0.003984
! 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=2.167 mas, bmaj=2.941 mas, bpa=-8.959 degrees
! Estimated noise=1062.81 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 = 0.532602 Jy
! Total flux subtracted in 50 components = 0.532602 Jy
! Clean residual min=-0.018532 max=0.148575 Jy/beam
! Clean residual mean=0.000098 rms=0.004975 Jy/beam
! Combined flux in latest and established models = 0.532602 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 0.532602 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.210530Jy  sigma=0.002609
! Fit after  self-cal, rms=0.210530Jy  sigma=0.002609
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.116588 Jy
! Total flux subtracted in 50 components = 0.116588 Jy
! Clean residual min=-0.011732 max=0.038995 Jy/beam
! Clean residual mean=0.000048 rms=0.002830 Jy/beam
! Combined flux in latest and established models = 0.64919 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 0.64919 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.142162Jy  sigma=0.001691
! Fit after  self-cal, rms=0.142178Jy  sigma=0.001691
! Inverting map 
! Added new window around map position (3.6, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0429474 Jy
! Total flux subtracted in 50 components = 0.0429474 Jy
! Clean residual min=-0.010190 max=0.021594 Jy/beam
! Clean residual mean=0.000031 rms=0.002419 Jy/beam
! Combined flux in latest and established models = 0.692138 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 10 components and 0.692138 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130500Jy  sigma=0.001508
! Fit after  self-cal, rms=0.130204Jy  sigma=0.001505
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0267625 Jy
! Total flux subtracted in 50 components = 0.0267625 Jy
! Clean residual min=-0.010077 max=0.013551 Jy/beam
! Clean residual mean=0.000020 rms=0.002222 Jy/beam
! Combined flux in latest and established models = 0.7189 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 13 components and 0.7189 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125253Jy  sigma=0.001422
! Fit after  self-cal, rms=0.125105Jy  sigma=0.001421
! 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=2.54 mas, bmaj=3.416 mas, bpa=-5.677 degrees
! Estimated noise=589.959 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 = 0.0246389 Jy
! Component: 100  -  total flux cleaned = 0.0387281 Jy
! Total flux subtracted in 100 components = 0.0387281 Jy
! Clean residual min=-0.008952 max=0.009445 Jy/beam
! Clean residual mean=-0.000036 rms=0.002082 Jy/beam
! Combined flux in latest and established models = 0.757628 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 31 components and 0.757628 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.121288Jy  sigma=0.001353
! Fit after  self-cal, rms=0.121083Jy  sigma=0.001351
! 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 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.10     GC        0.97     HH        1.00*    
!   HN        1.00     KK        1.10     KP        0.96     LA        0.99     
!   MC        1.04     MK        1.03     NL        0.95     NY        1.01     
!   ON        1.06     OV        0.96     PT        1.03     SC        0.94     
!   WF        1.09     WZ        0.98     
! 
! 
! Correcting IF 2.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.05     GC        0.97     HH        1.00*    
!   HN        1.00     KK        1.11     KP        1.03     LA        0.99     
!   MC        1.03     MK        1.03     NL        0.97     NY        0.97     
!   ON        1.07     OV        0.93     PT        0.97     SC        1.01     
!   WF        1.07     WZ        0.95     
! 
! 
! Correcting IF 3.
!  A total of 45 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.04     GC        0.95     HH        1.00*    
!   HN        1.08     KK        1.09     KP        0.98     LA        0.95     
!   MC        1.21     MK        0.93     NL        0.96     NY        1.01     
!   ON        1.06     OV        0.93     PT        0.98     SC        1.08     
!   WF        1.09     WZ        0.92     
! 
! 
! Correcting IF 4.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.96     GC        1.00     HH        1.00*    
!   HN        1.06     KK        1.08     KP        1.00     LA        1.00*    
!   MC        1.32     MK        0.92     NL        0.96     NY        1.01     
!   ON        1.15     OV        0.83     PT        0.96     SC        1.08     
!   WF        1.14     WZ        0.89     
! 
! 
! Fit before self-cal, rms=0.121083Jy  sigma=0.001351
! Fit after  self-cal, rms=0.108020Jy  sigma=0.001155
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.548 mas, bmaj=3.432 mas, bpa=-5.715 degrees
! Estimated noise=586.962 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 (5.6, 0).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00754854 Jy
! Component: 100  -  total flux cleaned = 0.0107542 Jy
! Total flux subtracted in 100 components = 0.0107542 Jy
! Clean residual min=-0.003995 max=0.004897 Jy/beam
! Clean residual mean=0.000083 rms=0.000981 Jy/beam
! Combined flux in latest and established models = 0.768382 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 44 components and 0.768382 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107482Jy  sigma=0.001148
! Fit after  self-cal, rms=0.107467Jy  sigma=0.001148
! 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 (84.4, 70.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00367809 Jy
! Component: 100  -  total flux cleaned = 0.00502337 Jy
! Total flux subtracted in 100 components = 0.00502337 Jy
! Clean residual min=-0.004049 max=0.004367 Jy/beam
! Clean residual mean=0.000070 rms=0.000965 Jy/beam
! Combined flux in latest and established models = 0.773406 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 50 components and 0.773406 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107207Jy  sigma=0.001145
! Fit after  self-cal, rms=0.101449Jy  sigma=0.001082
! Inverting map and beam 
! Estimated beam: bmin=2.534 mas, bmaj=3.446 mas, bpa=-5.901 degrees
! Estimated noise=587.742 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 = 0.0036324 Jy
! Component: 100  -  total flux cleaned = 0.00392072 Jy
! Total flux subtracted in 100 components = 0.00392072 Jy
! Clean residual min=-0.002923 max=0.003023 Jy/beam
! Clean residual mean=0.000080 rms=0.000707 Jy/beam
! Combined flux in latest and established models = 0.777326 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 57 components and 0.777326 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101288Jy  sigma=0.001080
! Fit after  self-cal, rms=0.101284Jy  sigma=0.001080
! 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 57 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: 2.534 x 3.446 at -5.901 degrees (North through East)
! Clean map  min=-0.0026879  max=0.68492 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=2.534 mas, bmaj=3.446 mas, bpa=-5.901 degrees
! Estimated noise=587.742 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.534 x 3.446 at -5.901 degrees (North through East)
! Clean map  min=-0.0026879  max=0.68492 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0642+449_S.log closed on Tue Apr 15 19:42:50 2008