! Started logfile: 1451-400_S.log on Thu Aug 21 15:29:10 2008
observe 1451-400_S.edt
! Reading UV FITS file: 1451-400_S.edt
! AN table 1: 6 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.130604 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1451-400
! 
! 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 536 visibilities.
![@gonzo7-0.4 1451-400_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 82 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 79 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 79 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 79 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.640875Jy  sigma=15.540957
! Fit after  self-cal, rms=0.640251Jy  sigma=15.572887
! 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=2.322 mas, bmaj=6.789 mas, bpa=-8.909 degrees
! Estimated noise=2.7295 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 = 0.280859 Jy
! Total flux subtracted in 50 components = 0.280859 Jy
! Clean residual min=-0.050690 max=0.089881 Jy/beam
! Clean residual mean=-0.001416 rms=0.017265 Jy/beam
! Combined flux in latest and established models = 0.280859 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.280859 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.239079Jy  sigma=3.585821
! Fit after  self-cal, rms=0.239009Jy  sigma=3.585589
! 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=2.731 mas, bmaj=7.68 mas, bpa=-6.447 degrees
! Estimated noise=2.29499 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 = 0.118793 Jy
! Component: 100  -  total flux cleaned = 0.181256 Jy
! Total flux subtracted in 100 components = 0.181256 Jy
! Clean residual min=-0.037504 max=0.089017 Jy/beam
! Clean residual mean=-0.001092 rms=0.014652 Jy/beam
! Combined flux in latest and established models = 0.462116 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 29 components and 0.462116 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.183367Jy  sigma=2.722054
! Fit after  self-cal, rms=0.183730Jy  sigma=2.693301
! 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        1.00*    FD        0.87     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.86     LA        0.88     
!   MA        1.00*    MK        1.22     NL        2.03     NY        1.00*    
!   OV        1.01     PT        0.80     SC        1.05     TS        1.00*    
!   WF        1.00*    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        1.00*    FD        0.88     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.84     LA        0.90     
!   MA        1.00*    MK        1.02     NL        1.46     NY        1.00*    
!   OV        0.98     PT        0.79     SC        1.21     TS        1.00*    
!   WF        1.00*    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        1.00*    FD        0.85     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.83     LA        0.93     
!   MA        1.00*    MK        1.00     NL        1.47     NY        1.00*    
!   OV        1.11     PT        0.82     SC        0.95     TS        1.00*    
!   WF        1.00*    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        1.00*    FD        0.87     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.89     LA        0.84     
!   MA        1.00*    MK        1.11     NL        1.70     NY        1.00*    
!   OV        1.19     PT        0.75     SC        1.07     TS        1.00*    
!   WF        1.00*    WZ        1.00*    GG        1.00*    
! 
! 
! Fit before self-cal, rms=0.183730Jy  sigma=2.693301
! Fit after  self-cal, rms=0.177566Jy  sigma=1.770818
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.914 mas, bmaj=8.275 mas, bpa=-8.871 degrees
! Estimated noise=2.32014 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 (-9.6, -0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0467768 Jy
! Component: 100  -  total flux cleaned = 0.0486756 Jy
! Total flux subtracted in 100 components = 0.0486756 Jy
! Clean residual min=-0.021780 max=0.029341 Jy/beam
! Clean residual mean=0.000199 rms=0.005984 Jy/beam
! Combined flux in latest and established models = 0.510791 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 44 components and 0.510792 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.159245Jy  sigma=1.581045
! Fit after  self-cal, rms=0.155636Jy  sigma=1.538176
! 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 = 0.00400588 Jy
! Component: 100  -  total flux cleaned = 0.00132447 Jy
! Total flux subtracted in 100 components = 0.00132447 Jy
! Clean residual min=-0.019790 max=0.023724 Jy/beam
! Clean residual mean=0.000212 rms=0.005483 Jy/beam
! Combined flux in latest and established models = 0.512116 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 53 components and 0.512116 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.150528Jy  sigma=1.515765
! Fit after  self-cal, rms=0.127372Jy  sigma=1.423310
! Inverting map and beam 
! Estimated beam: bmin=2.878 mas, bmaj=8.195 mas, bpa=-8.287 degrees
! Estimated noise=2.25397 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 = 0.017482 Jy
! Component: 100  -  total flux cleaned = 0.0187105 Jy
! Total flux subtracted in 100 components = 0.0187105 Jy
! Clean residual min=-0.015013 max=0.016344 Jy/beam
! Clean residual mean=0.000146 rms=0.004074 Jy/beam
! Combined flux in latest and established models = 0.530827 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 69 components and 0.530827 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122715Jy  sigma=1.398586
! Fit after  self-cal, rms=0.121209Jy  sigma=1.379844
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1451-400_S
! Writing UV FITS file: 1451-400_S.uvf
! Writing 69 model components to file: 1451-400_S.mod
! wwins: Wrote 2 windows to 1451-400_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.878 x 8.195 at -8.287 degrees (North through East)
! Clean map  min=-0.014347  max=0.32355 Jy/beam
! Writing clean map to FITS file: 1451-400_S.fits
! Writing difmap environment to: 1451-400_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1451-400_S]
device 1451-400_Suv.ps/vps,1,2
! Attempting to open device: '1451-400_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1451-400_Sim.ps/vps
! Attempting to open device: '1451-400_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=2.878 mas, bmaj=8.195 mas, bpa=-8.287 degrees
! Estimated noise=2.25397 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.878 x 8.195 at -8.287 degrees (North through East)
! Clean map  min=-0.014347  max=0.32355 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1451-400_S.log closed on Thu Aug 21 15:29:16 2008