! Started logfile: 1822-173_S.log on Mon Aug 25 10:19:54 2008
observe 1822-173_S.edt
! Reading UV FITS file: 1822-173_S.edt
! AN table 1: 29 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.166767 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1822-173
! 
! 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 1615 lines of history.
! 
! Reading 3308 visibilities.
![@gonzo7-0.4-pw 1822-173_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 350 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 350 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 350 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 350 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.903792Jy  sigma=12.326717
! Fit after  self-cal, rms=0.902475Jy  sigma=12.305806
! 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
peakw win_mult
! Inverting map and beam 
! Estimated beam: bmin=3.651 mas, bmaj=10.42 mas, bpa=3.166 degrees
! Estimated noise=1.78573 mJy/beam.
! Added new window around map position (0, 0.4).
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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0850352 Jy
! Total flux subtracted in 50 components = 0.0850352 Jy
! Clean residual min=-0.017035 max=0.038861 Jy/beam
! Clean residual mean=0.000648 rms=0.009232 Jy/beam
! Combined flux in latest and established models = 0.0850351 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 20 components and 0.0850351 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.166040Jy  sigma=2.111551
! Fit after  self-cal, rms=0.165879Jy  sigma=2.110327
! 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=4.243 mas, bmaj=11.13 mas, bpa=-5.918 degrees
! Estimated noise=1.05058 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 = 0.0671483 Jy
! Component: 100  -  total flux cleaned = 0.110669 Jy
! Total flux subtracted in 100 components = 0.110669 Jy
! Clean residual min=-0.013249 max=0.031657 Jy/beam
! Clean residual mean=0.001440 rms=0.007245 Jy/beam
! Combined flux in latest and established models = 0.195704 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 70 components and 0.195704 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139561Jy  sigma=1.631256
! Fit after  self-cal, rms=0.139009Jy  sigma=1.627457
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.78     GC        1.00*    HH        1.00*    
!   HN        0.87     KK        1.00*    KP        0.79     LA        0.89     
!   MA        1.00*    MK        1.00*    NL        1.50     NY        1.00*    
!   OV        0.88     PT        0.75     SC        1.19     TS        1.00*    
!   WF        0.60     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.78     GC        1.00*    HH        1.00*    
!   HN        0.80     KK        1.00*    KP        0.87     LA        0.92     
!   MA        1.00*    MK        1.00*    NL        1.93     NY        1.00*    
!   OV        0.80     PT        0.65     SC        1.13     TS        1.00*    
!   WF        0.76     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.79     GC        1.00*    HH        1.00*    
!   HN        1.13     KK        1.00*    KP        0.94     LA        0.73     
!   MA        1.00*    MK        1.00*    NL        1.43     NY        1.00*    
!   OV        0.83     PT        0.73     SC        0.76     TS        1.00*    
!   WF        0.77     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.68     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        0.93     LA        0.65     
!   MA        1.00*    MK        1.00*    NL        1.41     NY        1.00*    
!   OV        0.83     PT        0.71     SC        0.91     TS        1.00*    
!   WF        0.77     WZ        1.00*    GG        1.00*    
! 
! 
! Fit before self-cal, rms=0.139009Jy  sigma=1.627457
! Fit after  self-cal, rms=0.106400Jy  sigma=1.347434
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.207 mas, bmaj=11.61 mas, bpa=-6.863 degrees
! Estimated noise=0.814024 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 = -0.00559046 Jy
! Component: 100  -  total flux cleaned = -0.00518779 Jy
! Total flux subtracted in 100 components = -0.0051878 Jy
! Clean residual min=-0.005945 max=0.005901 Jy/beam
! Clean residual mean=-0.000372 rms=0.001607 Jy/beam
! Combined flux in latest and established models = 0.190516 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 78 components and 0.190516 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105664Jy  sigma=1.351988
! Fit after  self-cal, rms=0.105652Jy  sigma=1.349679
! 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 = 0.000105526 Jy
! Component: 100  -  total flux cleaned = 0.000147915 Jy
! Total flux subtracted in 100 components = 0.000147915 Jy
! Clean residual min=-0.005757 max=0.005884 Jy/beam
! Clean residual mean=-0.000319 rms=0.001596 Jy/beam
! Combined flux in latest and established models = 0.190664 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 95 components and 0.190664 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105586Jy  sigma=1.350498
! Fit after  self-cal, rms=0.116773Jy  sigma=1.312552
! Inverting map and beam 
! Estimated beam: bmin=4.198 mas, bmaj=11.54 mas, bpa=-6.973 degrees
! Estimated noise=0.790559 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 = -0.00264697 Jy
! Component: 100  -  total flux cleaned = -0.00363275 Jy
! Total flux subtracted in 100 components = -0.00363275 Jy
! Clean residual min=-0.005134 max=0.005932 Jy/beam
! Clean residual mean=-0.000231 rms=0.001478 Jy/beam
! Combined flux in latest and established models = 0.187032 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 111 components and 0.187032 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116595Jy  sigma=1.315526
! Fit after  self-cal, rms=0.116712Jy  sigma=1.315083
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1822-173_S
! Writing UV FITS file: 1822-173_S.uvf
! Writing 111 model components to file: 1822-173_S.mod
! wwins: Wrote 1 windows to 1822-173_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.198 x 11.54 at -6.973 degrees (North through East)
! Clean map  min=-0.0052433  max=0.087478 Jy/beam
! Writing clean map to FITS file: 1822-173_S.fits
! Writing difmap environment to: 1822-173_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1822-173_S]
device 1822-173_Suv.ps/vps,1,2
! Attempting to open device: '1822-173_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1822-173_Sim.ps/vps
! Attempting to open device: '1822-173_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=4.198 mas, bmaj=11.54 mas, bpa=-6.973 degrees
! Estimated noise=0.790559 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.198 x 11.54 at -6.973 degrees (North through East)
! Clean map  min=-0.0052433  max=0.087478 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4-pw]
quit
! Quitting program
! Log file 1822-173_S.log closed on Mon Aug 25 10:20:00 2008