! Started logfile: 0235+164_S.log on Tue Apr 15 19:17:07 2008
observe 0235+164_S.edt
! Reading UV FITS file: 0235+164_S.edt
! AN table 1: 15 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.266667 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0235+164
! 
! 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 2448 visibilities.
![@gonzo7-0.4 0235+164_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 175 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 182 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 175 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 182 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.193911Jy  sigma=0.002442
! Fit after  self-cal, rms=0.193002Jy  sigma=0.002436
! 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=2.852 mas, bmaj=4.233 mas, bpa=7.668 degrees
! Estimated noise=1767.85 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 = 0.654579 Jy
! Total flux subtracted in 50 components = 0.654579 Jy
! Clean residual min=-0.034996 max=0.182553 Jy/beam
! Clean residual mean=-0.000094 rms=0.013823 Jy/beam
! Combined flux in latest and established models = 0.654579 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 0.654579 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.235077Jy  sigma=0.003382
! Fit after  self-cal, rms=0.235078Jy  sigma=0.003382
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.143299 Jy
! Total flux subtracted in 50 components = 0.143299 Jy
! Clean residual min=-0.020454 max=0.043777 Jy/beam
! Clean residual mean=-0.000043 rms=0.006479 Jy/beam
! Combined flux in latest and established models = 0.797878 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 7 components and 0.797878 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137332Jy  sigma=0.001925
! Fit after  self-cal, rms=0.137324Jy  sigma=0.001925
! 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=3.232 mas, bmaj=5.027 mas, bpa=9.718 degrees
! Estimated noise=1306.2 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 = 0.0619722 Jy
! Component: 100  -  total flux cleaned = 0.0941689 Jy
! Total flux subtracted in 100 components = 0.0941689 Jy
! Clean residual min=-0.018299 max=0.021428 Jy/beam
! Clean residual mean=-0.000002 rms=0.004806 Jy/beam
! Combined flux in latest and established models = 0.892047 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 35 components and 0.892047 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114172Jy  sigma=0.001505
! Fit after  self-cal, rms=0.114140Jy  sigma=0.001505
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.07     GC        0.98     HH        1.00*    
!   HN        0.97     KK        1.00     KP        0.94     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        0.94     NY        1.04     
!   ON        1.00*    OV        0.95     PT        1.01     SC        0.96     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.00*    GC        0.96     HH        1.00*    
!   HN        0.99     KK        0.99     KP        1.02     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        0.96     NY        1.07     
!   ON        1.00*    OV        0.92     PT        0.95     SC        1.04     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.04     GC        0.97     HH        1.00*    
!   HN        1.14     KK        1.01     KP        0.99     LA        0.95     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.10     
!   ON        1.00*    OV        0.97     PT        0.97     SC        1.12     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.01     HH        1.00*    
!   HN        1.10     KK        1.04     KP        1.04     LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.12     
!   ON        1.00*    OV        0.84     PT        0.99     SC        1.14     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.114140Jy  sigma=0.001505
! Fit after  self-cal, rms=0.093313Jy  sigma=0.001144
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.278 mas, bmaj=5.109 mas, bpa=9.508 degrees
! Estimated noise=1292.04 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 = 0.00280654 Jy
! Component: 100  -  total flux cleaned = 0.0036723 Jy
! Total flux subtracted in 100 components = 0.0036723 Jy
! Clean residual min=-0.005980 max=0.005621 Jy/beam
! Clean residual mean=-0.000011 rms=0.001469 Jy/beam
! Combined flux in latest and established models = 0.895719 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 44 components and 0.895719 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093157Jy  sigma=0.001141
! Fit after  self-cal, rms=0.093152Jy  sigma=0.001141
! 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 = 0.000777893 Jy
! Component: 100  -  total flux cleaned = 0.00122658 Jy
! Total flux subtracted in 100 components = 0.00122658 Jy
! Clean residual min=-0.005931 max=0.005647 Jy/beam
! Clean residual mean=-0.000010 rms=0.001451 Jy/beam
! Combined flux in latest and established models = 0.896946 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 50 components and 0.896946 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093098Jy  sigma=0.001140
! Fit after  self-cal, rms=0.092576Jy  sigma=0.001132
! Inverting map and beam 
! Estimated beam: bmin=3.273 mas, bmaj=5.106 mas, bpa=9.362 degrees
! Estimated noise=1294.36 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 = 0.00287076 Jy
! Component: 100  -  total flux cleaned = 0.00346184 Jy
! Total flux subtracted in 100 components = 0.00346184 Jy
! Clean residual min=-0.005974 max=0.005695 Jy/beam
! Clean residual mean=-0.000011 rms=0.001420 Jy/beam
! Combined flux in latest and established models = 0.900408 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 54 components and 0.900408 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092494Jy  sigma=0.001131
! Fit after  self-cal, rms=0.092488Jy  sigma=0.001131
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0235+164_S
! Writing UV FITS file: 0235+164_S.uvf
! Writing 54 model components to file: 0235+164_S.mod
! wwins: Wrote 1 windows to 0235+164_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.273 x 5.106 at 9.362 degrees (North through East)
! Clean map  min=-0.0057917  max=0.84941 Jy/beam
! Writing clean map to FITS file: 0235+164_S.fits
! Writing difmap environment to: 0235+164_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0235+164_S]
device 0235+164_Suv.ps/vps,1,2
! Attempting to open device: '0235+164_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0235+164_Sim.ps/vps
! Attempting to open device: '0235+164_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=3.273 mas, bmaj=5.106 mas, bpa=9.362 degrees
! Estimated noise=1294.36 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.273 x 5.106 at 9.362 degrees (North through East)
! Clean map  min=-0.0057917  max=0.84941 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0235+164_S.log closed on Tue Apr 15 19:17:11 2008