! Started logfile: 1845-273_S.log on Thu Aug 14 09:19:07 2008
observe 1845-273_S.edt
! Reading UV FITS file: 1845-273_S.edt
! AN table 1: 90 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.246455 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1845-273
! 
! 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 947 lines of history.
! 
! Reading 9316 visibilities.
![@gonzo7-0.4 1845-273_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 662 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 846 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 769 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 761 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.853654Jy  sigma=0.009357
! Fit after  self-cal, rms=0.853607Jy  sigma=0.009356
! 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=2.271 mas, bmaj=6.374 mas, bpa=-6.017 degrees
! Estimated noise=2065.73 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 = 0.11231 Jy
! Total flux subtracted in 50 components = 0.11231 Jy
! Clean residual min=-0.014164 max=0.031374 Jy/beam
! Clean residual mean=-0.000027 rms=0.003448 Jy/beam
! Combined flux in latest and established models = 0.11231 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 0.11231 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114257Jy  sigma=0.001157
! Fit after  self-cal, rms=0.114255Jy  sigma=0.001157
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0254646 Jy
! Total flux subtracted in 50 components = 0.0254646 Jy
! Clean residual min=-0.011102 max=0.011554 Jy/beam
! Clean residual mean=-0.000025 rms=0.002603 Jy/beam
! Combined flux in latest and established models = 0.137775 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 0.137775 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107930Jy  sigma=0.001094
! Fit after  self-cal, rms=0.107885Jy  sigma=0.001094
! 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=3.114 mas, bmaj=8.248 mas, bpa=-9.633 degrees
! Estimated noise=798.058 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 = 0.0123558 Jy
! Component: 100  -  total flux cleaned = 0.0172903 Jy
! Total flux subtracted in 100 components = 0.0172903 Jy
! Clean residual min=-0.007058 max=0.006052 Jy/beam
! Clean residual mean=-0.000069 rms=0.001821 Jy/beam
! Combined flux in latest and established models = 0.155065 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 29 components and 0.155065 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106388Jy  sigma=0.001083
! Fit after  self-cal, rms=0.106389Jy  sigma=0.001083
! 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        1.16     FD        0.91     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        1.09     LA        1.00*    MK        1.11     
!   NL        1.04     NY        1.00*    OV        0.92     PT        1.08     
!   SC        1.03     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.13     FD        0.92     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.94     LA        1.00*    MK        0.96     
!   NL        0.90     NY        1.00*    OV        1.07     PT        1.10     
!   SC        1.22     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.82     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.88     LA        1.00*    MK        0.97     
!   NL        0.98     NY        1.00*    OV        1.00     PT        1.10     
!   SC        1.10     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        0.79     HN        1.00*    KB        1.00*    
!   KK        1.00*    KP        0.88     LA        1.00*    MK        0.98     
!   NL        1.29     NY        1.00*    OV        0.94     PT        1.07     
!   SC        0.98     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.106389Jy  sigma=0.001083
! Fit after  self-cal, rms=0.101653Jy  sigma=0.001060
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.129 mas, bmaj=8.338 mas, bpa=-9.67 degrees
! Estimated noise=792.255 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 = -0.00010657 Jy
! Component: 100  -  total flux cleaned = -0.000104009 Jy
! Total flux subtracted in 100 components = -0.000104009 Jy
! Clean residual min=-0.003129 max=0.003124 Jy/beam
! Clean residual mean=-0.000019 rms=0.000840 Jy/beam
! Combined flux in latest and established models = 0.154961 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 34 components and 0.154961 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101638Jy  sigma=0.001059
! Fit after  self-cal, rms=0.101635Jy  sigma=0.001059
! 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 = 8.28795e-06 Jy
! Component: 100  -  total flux cleaned = 8.90956e-06 Jy
! Total flux subtracted in 100 components = 8.90956e-06 Jy
! Clean residual min=-0.003150 max=0.003066 Jy/beam
! Clean residual mean=-0.000019 rms=0.000837 Jy/beam
! Combined flux in latest and established models = 0.15497 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 35 components and 0.15497 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101626Jy  sigma=0.001059
! Fit after  self-cal, rms=0.103406Jy  sigma=0.001042
! Inverting map and beam 
! Estimated beam: bmin=3.136 mas, bmaj=8.345 mas, bpa=-9.641 degrees
! Estimated noise=799.954 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 = 0.000993851 Jy
! Component: 100  -  total flux cleaned = 0.00102685 Jy
! Total flux subtracted in 100 components = 0.00102685 Jy
! Clean residual min=-0.003058 max=0.002825 Jy/beam
! Clean residual mean=-0.000015 rms=0.000801 Jy/beam
! Combined flux in latest and established models = 0.155997 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 39 components and 0.155997 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103391Jy  sigma=0.001042
! Fit after  self-cal, rms=0.103400Jy  sigma=0.001042
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1845-273_S
! Writing UV FITS file: 1845-273_S.uvf
! Writing 39 model components to file: 1845-273_S.mod
! wwins: Wrote 1 windows to 1845-273_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.136 x 8.345 at -9.641 degrees (North through East)
! Clean map  min=-0.0029883  max=0.14973 Jy/beam
! Writing clean map to FITS file: 1845-273_S.fits
! Writing difmap environment to: 1845-273_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1845-273_S]
device 1845-273_Suv.ps/vps,1,2
! Attempting to open device: '1845-273_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1845-273_Sim.ps/vps
! Attempting to open device: '1845-273_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=3.136 mas, bmaj=8.345 mas, bpa=-9.641 degrees
! Estimated noise=799.954 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.136 x 8.345 at -9.641 degrees (North through East)
! Clean map  min=-0.0029883  max=0.14973 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1845-273_S.log closed on Thu Aug 14 09:19:22 2008