! Started logfile: 1845-273_X.log on Thu Aug 14 12:27:06 2008
observe 1845-273_X.edt
! Reading UV FITS file: 1845-273_X.edt
! AN table 1: 91 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.278598 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 898 lines of history.
! 
! Reading 10648 visibilities.
![@gonzo7-0.1 1845-273_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
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 0.100x0.100 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 635 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 635 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 635 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 635 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.671419Jy  sigma=0.008389
! Fit after  self-cal, rms=0.671366Jy  sigma=0.008391
! 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=0.6087 mas, bmaj=1.659 mas, bpa=-3.182 degrees
! Estimated noise=1220.3 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 = 0.260479 Jy
! Total flux subtracted in 50 components = 0.260479 Jy
! Clean residual min=-0.018280 max=0.072663 Jy/beam
! Clean residual mean=-0.000015 rms=0.005679 Jy/beam
! Combined flux in latest and established models = 0.260479 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 0.260479 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129194Jy  sigma=0.001517
! Fit after  self-cal, rms=0.129194Jy  sigma=0.001517
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0568056 Jy
! Total flux subtracted in 50 components = 0.0568056 Jy
! Clean residual min=-0.009550 max=0.015935 Jy/beam
! Clean residual mean=-0.000004 rms=0.002874 Jy/beam
! Combined flux in latest and established models = 0.317285 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 0.317285 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106068Jy  sigma=0.001217
! Fit after  self-cal, rms=0.106067Jy  sigma=0.001217
! 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=0.7696 mas, bmaj=2.025 mas, bpa=-2.067 degrees
! Estimated noise=561.479 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 = 0.015543 Jy
! Component: 100  -  total flux cleaned = 0.0204747 Jy
! Total flux subtracted in 100 components = 0.0204747 Jy
! Clean residual min=-0.010483 max=0.009508 Jy/beam
! Clean residual mean=0.000020 rms=0.002654 Jy/beam
! Combined flux in latest and established models = 0.337759 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 10 components and 0.337759 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104024Jy  sigma=0.001194
! Fit after  self-cal, rms=0.104025Jy  sigma=0.001194
! 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        1.07     FD        0.87     HN        1.15     KB        1.00*    
!   KK        1.00*    KP        0.86     LA        1.00*    MK        0.95     
!   NL        1.10     NY        1.00*    OV        0.90     PT        1.08     
!   SC        1.07     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.94     HN        1.10     KB        1.00*    
!   KK        1.00*    KP        0.83     LA        1.00*    MK        0.98     
!   NL        1.07     NY        1.00*    OV        0.90     PT        1.07     
!   SC        1.01     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        1.02     HN        1.10     KB        1.00*    
!   KK        1.00*    KP        0.92     LA        1.00*    MK        1.04     
!   NL        1.06     NY        1.00*    OV        0.98     PT        1.09     
!   SC        0.97     WZ        1.00*    ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        1.01     HN        1.09     KB        1.00*    
!   KK        1.00*    KP        0.97     LA        1.00*    MK        0.99     
!   NL        0.98     NY        1.00*    OV        1.00     PT        1.09     
!   SC        0.84     WZ        1.00*    ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.104025Jy  sigma=0.001194
! Fit after  self-cal, rms=0.097150Jy  sigma=0.001096
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7689 mas, bmaj=2.024 mas, bpa=-1.748 degrees
! Estimated noise=558.769 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 = 3.00301e-05 Jy
! Component: 100  -  total flux cleaned = -9.13059e-05 Jy
! Total flux subtracted in 100 components = -9.13059e-05 Jy
! Clean residual min=-0.002946 max=0.003277 Jy/beam
! Clean residual mean=0.000003 rms=0.000830 Jy/beam
! Combined flux in latest and established models = 0.337668 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 19 components and 0.337668 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097136Jy  sigma=0.001096
! Fit after  self-cal, rms=0.097140Jy  sigma=0.001095
! 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 = -7.71606e-05 Jy
! Component: 100  -  total flux cleaned = -0.00010266 Jy
! Total flux subtracted in 100 components = -0.00010266 Jy
! Clean residual min=-0.002933 max=0.003261 Jy/beam
! Clean residual mean=0.000003 rms=0.000828 Jy/beam
! Combined flux in latest and established models = 0.337565 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 20 components and 0.337565 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097130Jy  sigma=0.001095
! Fit after  self-cal, rms=0.096310Jy  sigma=0.001078
! Inverting map and beam 
! Estimated beam: bmin=0.7692 mas, bmaj=2.024 mas, bpa=-1.75 degrees
! Estimated noise=559.592 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 = 0.000123611 Jy
! Component: 100  -  total flux cleaned = 0.000195881 Jy
! Total flux subtracted in 100 components = 0.000195881 Jy
! Clean residual min=-0.002720 max=0.002432 Jy/beam
! Clean residual mean=0.000004 rms=0.000633 Jy/beam
! Combined flux in latest and established models = 0.337761 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 28 components and 0.337761 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.096302Jy  sigma=0.001078
! Fit after  self-cal, rms=0.096305Jy  sigma=0.001078
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1845-273_X
! Writing UV FITS file: 1845-273_X.uvf
! Writing 28 model components to file: 1845-273_X.mod
! wwins: Wrote 1 windows to 1845-273_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7692 x 2.024 at -1.75 degrees (North through East)
! Clean map  min=-0.0026551  max=0.33495 Jy/beam
! Writing clean map to FITS file: 1845-273_X.fits
! Writing difmap environment to: 1845-273_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1845-273_X]
device 1845-273_Xuv.ps/vps,1,2
! Attempting to open device: '1845-273_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1845-273_Xim.ps/vps
! Attempting to open device: '1845-273_Xim.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=0.7692 mas, bmaj=2.024 mas, bpa=-1.75 degrees
! Estimated noise=559.592 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7692 x 2.024 at -1.75 degrees (North through East)
! Clean map  min=-0.0026551  max=0.33495 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1845-273_X.log closed on Thu Aug 14 12:27:25 2008