! Started logfile: 1514-241_S.log on Sat Mar 31 21:48:40 2007
observe 1514-241_S.edt
! Reading UV FITS file: 1514-241_S.edt
! AN table 1: 189 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.233913 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1514-241
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1268 lines of history.
! 
! Reading 18568 visibilities.
![@gonzo7-0.4_south 1514-241_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 = 0.7
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 1796 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1796 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1796 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1796 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.481160Jy  sigma=0.014456
! Fit after  self-cal, rms=1.486152Jy  sigma=0.014522
! 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=4.209 mas, bmaj=21.4 mas, bpa=-12.37 degrees
! Estimated noise=1431.19 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 = 1.78138 Jy
! Total flux subtracted in 50 components = 1.78138 Jy
! Clean residual min=-0.133653 max=0.497894 Jy/beam
! Clean residual mean=0.003441 rms=0.051210 Jy/beam
! Combined flux in latest and established models = 1.78138 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 1.78138 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.786329Jy  sigma=0.007507
! Fit after  self-cal, rms=0.786519Jy  sigma=0.007506
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.417961 Jy
! Total flux subtracted in 50 components = 0.417961 Jy
! Clean residual min=-0.103767 max=0.241918 Jy/beam
! Clean residual mean=0.002188 rms=0.030690 Jy/beam
! Combined flux in latest and established models = 2.19934 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 11 components and 2.19934 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.510534Jy  sigma=0.004734
! Fit after  self-cal, rms=0.510612Jy  sigma=0.004733
! Inverting map 
! Added new window around map position (5.6, -10.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.211866 Jy
! Total flux subtracted in 50 components = 0.211866 Jy
! Clean residual min=-0.078989 max=0.136952 Jy/beam
! Clean residual mean=0.001617 rms=0.023259 Jy/beam
! Combined flux in latest and established models = 2.41121 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 13 components and 2.41121 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.413653Jy  sigma=0.003768
! Fit after  self-cal, rms=0.408107Jy  sigma=0.003729
! 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=4.797 mas, bmaj=25.5 mas, bpa=-15.74 degrees
! Estimated noise=617.911 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 = 0.154852 Jy
! Component: 100  -  total flux cleaned = 0.238162 Jy
! Total flux subtracted in 100 components = 0.238162 Jy
! Clean residual min=-0.075121 max=0.156076 Jy/beam
! Clean residual mean=0.007723 rms=0.024103 Jy/beam
! Combined flux in latest and established models = 2.64937 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 30 components and 2.64937 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.347781Jy  sigma=0.003167
! Fit after  self-cal, rms=0.344231Jy  sigma=0.003126
! Inverting map 
! Added new window around map position (13.6, -24).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.139338 Jy
! Component: 100  -  total flux cleaned = 0.19731 Jy
! Total flux subtracted in 100 components = 0.19731 Jy
! Clean residual min=-0.068159 max=0.073804 Jy/beam
! Clean residual mean=0.004630 rms=0.017082 Jy/beam
! Combined flux in latest and established models = 2.84668 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 61 components and 2.84668 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.288402Jy  sigma=0.002567
! Fit after  self-cal, rms=0.280408Jy  sigma=0.002479
! 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        1.03     FD        1.00     HN        1.00     KB        1.00*    
!   KP        0.74     LA        1.00     MK        1.00*    NL        1.04     
!   NY        1.00*    OV        1.03     PT        1.02     SV        1.00*    
!   WF        1.00     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.00     HN        1.00     KB        1.00*    
!   KP        0.97     LA        1.02     MK        1.00*    NL        1.06     
!   NY        1.00*    OV        1.05     PT        1.06     SV        1.00*    
!   WF        0.99     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.00     HN        1.00     KB        1.00*    
!   KP        0.91     LA        1.02     MK        1.00*    NL        1.04     
!   NY        1.00*    OV        1.03     PT        1.02     SV        1.00*    
!   WF        0.99     WZ        1.00*    TC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        0.98     HN        1.01     KB        1.00*    
!   KP        0.94     LA        0.97     MK        1.00*    NL        1.06     
!   NY        1.00*    OV        1.04     PT        0.99     SV        1.00*    
!   WF        1.01     WZ        1.00*    TC        1.00*    
! 
! 
! Fit before self-cal, rms=0.280408Jy  sigma=0.002479
! Fit after  self-cal, rms=0.167410Jy  sigma=0.001401
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.786 mas, bmaj=25.62 mas, bpa=-15.92 degrees
! Estimated noise=618.268 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 = 0.0316415 Jy
! Component: 100  -  total flux cleaned = 0.046058 Jy
! Total flux subtracted in 100 components = 0.046058 Jy
! Clean residual min=-0.017702 max=0.021523 Jy/beam
! Clean residual mean=0.003611 rms=0.005069 Jy/beam
! Combined flux in latest and established models = 2.89274 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 80 components and 2.89274 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160871Jy  sigma=0.001341
! Fit after  self-cal, rms=0.160347Jy  sigma=0.001336
! 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 = 0.00833001 Jy
! Component: 100  -  total flux cleaned = 0.0122205 Jy
! Total flux subtracted in 100 components = 0.0122205 Jy
! Clean residual min=-0.014206 max=0.021927 Jy/beam
! Clean residual mean=0.003420 rms=0.004769 Jy/beam
! Combined flux in latest and established models = 2.90496 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 91 components and 2.90496 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158445Jy  sigma=0.001317
! Fit after  self-cal, rms=0.149207Jy  sigma=0.001231
! Inverting map and beam 
! Estimated beam: bmin=4.779 mas, bmaj=25.59 mas, bpa=-15.92 degrees
! Estimated noise=619.442 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)
! Added new window around map position (38.4, -34.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0197368 Jy
! Component: 100  -  total flux cleaned = 0.0333658 Jy
! Total flux subtracted in 100 components = 0.0333658 Jy
! Clean residual min=-0.012366 max=0.014564 Jy/beam
! Clean residual mean=0.002362 rms=0.003378 Jy/beam
! Combined flux in latest and established models = 2.93832 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 104 components and 2.93832 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.145832Jy  sigma=0.001206
! Fit after  self-cal, rms=0.145688Jy  sigma=0.001204
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1514-241_S
! Writing UV FITS file: 1514-241_S.uvf
! Writing 104 model components to file: 1514-241_S.mod
! wwins: Wrote 4 windows to 1514-241_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.779 x 25.59 at -15.92 degrees (North through East)
! Clean map  min=-0.01157  max=2.3384 Jy/beam
! Writing clean map to FITS file: 1514-241_S.fits
! Writing difmap environment to: 1514-241_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1514-241_S]
device 1514-241_Suv.ps/vps,1,2
! Attempting to open device: '1514-241_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1514-241_Sim.ps/vps
! Attempting to open device: '1514-241_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=4.779 mas, bmaj=25.59 mas, bpa=-15.92 degrees
! Estimated noise=619.442 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.779 x 25.59 at -15.92 degrees (North through East)
! Clean map  min=-0.01157  max=2.3384 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4_south]
quit
! Quitting program
! Log file 1514-241_S.log closed on Sat Mar 31 21:49:04 2007