! Started logfile: 1822-173_X.log on Wed Aug 13 16:37:44 2008
observe 1822-173_X.edt2
! Reading UV FITS file: 1822-173_X.edt2
! AN table 1: 34 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.186103 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  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 1530 lines of history.
! 
! Reading 4328 visibilities.
![@gonzo7-0.1-pw 1822-173_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 396 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 396 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 402 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 402 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.826539Jy  sigma=15.142196
! Fit after  self-cal, rms=0.826283Jy  sigma=15.149412
! 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=1.113 mas, bmaj=2.895 mas, bpa=0.9275 degrees
! Estimated noise=1.08211 mJy/beam.
! Added new window around map position (0, 0).
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 = 0.138515 Jy
! Total flux subtracted in 50 components = 0.138515 Jy
! Clean residual min=-0.015289 max=0.043766 Jy/beam
! Clean residual mean=0.000779 rms=0.007334 Jy/beam
! Combined flux in latest and established models = 0.138515 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 0.138515 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119039Jy  sigma=2.017558
! Fit after  self-cal, rms=0.119040Jy  sigma=2.017519
! 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=1.222 mas, bmaj=3.243 mas, bpa=-7.118 degrees
! Estimated noise=0.702772 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 = 0.05537 Jy
! Component: 100  -  total flux cleaned = 0.081559 Jy
! Total flux subtracted in 100 components = 0.081559 Jy
! Clean residual min=-0.007039 max=0.015238 Jy/beam
! Clean residual mean=0.000539 rms=0.003264 Jy/beam
! Combined flux in latest and established models = 0.220073 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 48 model components to the UV plane model.
! The established model now contains 56 components and 0.220073 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097718Jy  sigma=1.440100
! Fit after  self-cal, rms=0.097546Jy  sigma=1.439070
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.82     GC        1.00*    HH        1.00*    
!   HN        1.18     KK        1.00*    KP        1.09     LA        0.88     
!   MA        1.00*    MK        1.00*    NL        1.08     NY        1.00*    
!   OV        0.84     PT        0.81     SC        1.22     TS        1.00*    
!   WF        0.96     WZ        1.00*    GG        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        1.12     FD        0.87     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        0.93     LA        0.82     
!   MA        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   OV        0.96     PT        1.04     SC        1.06     TS        1.00*    
!   WF        0.94     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        0.88     GC        1.00*    HH        1.00*    
!   HN        0.88     KK        1.00*    KP        0.83     LA        0.97     
!   MA        1.00*    MK        1.00*    NL        1.04     NY        1.00*    
!   OV        0.90     PT        0.96     SC        0.79     TS        1.00*    
!   WF        0.84     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        0.90     KK        1.00*    KP        0.85     LA        1.15     
!   MA        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   OV        0.91     PT        0.97     SC        0.88     TS        1.00*    
!   WF        0.87     WZ        1.00*    GG        1.00*    
! 
! 
! Fit before self-cal, rms=0.097546Jy  sigma=1.439070
! Fit after  self-cal, rms=0.085743Jy  sigma=1.276330
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.22 mas, bmaj=3.296 mas, bpa=-7.463 degrees
! Estimated noise=0.645578 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 = 0.00345126 Jy
! Component: 100  -  total flux cleaned = 0.00463375 Jy
! Total flux subtracted in 100 components = 0.00463375 Jy
! Clean residual min=-0.003739 max=0.004228 Jy/beam
! Clean residual mean=0.000437 rms=0.001039 Jy/beam
! Combined flux in latest and established models = 0.224707 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 69 components and 0.224707 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085194Jy  sigma=1.269202
! Fit after  self-cal, rms=0.085168Jy  sigma=1.268652
! 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 = 0.000758713 Jy
! Component: 100  -  total flux cleaned = 0.00125869 Jy
! Total flux subtracted in 100 components = 0.00125869 Jy
! Clean residual min=-0.003816 max=0.004040 Jy/beam
! Clean residual mean=0.000432 rms=0.001014 Jy/beam
! Combined flux in latest and established models = 0.225966 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 77 components and 0.225966 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085037Jy  sigma=1.268363
! Fit after  self-cal, rms=0.083990Jy  sigma=1.234874
! Inverting map and beam 
! Estimated beam: bmin=1.213 mas, bmaj=3.276 mas, bpa=-7.584 degrees
! Estimated noise=0.63815 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 = 0.0011077 Jy
! Component: 100  -  total flux cleaned = 0.00161296 Jy
! Total flux subtracted in 100 components = 0.00161296 Jy
! Clean residual min=-0.003335 max=0.003448 Jy/beam
! Clean residual mean=0.000316 rms=0.000844 Jy/beam
! Combined flux in latest and established models = 0.227579 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 85 components and 0.227579 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083830Jy  sigma=1.234078
! Fit after  self-cal, rms=0.083824Jy  sigma=1.233956
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1822-173_X
! Writing UV FITS file: 1822-173_X.uvf
! Writing 85 model components to file: 1822-173_X.mod
! wwins: Wrote 1 windows to 1822-173_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.213 x 3.276 at -7.584 degrees (North through East)
! Clean map  min=-0.0032914  max=0.16932 Jy/beam
! Writing clean map to FITS file: 1822-173_X.fits
! Writing difmap environment to: 1822-173_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1822-173_X]
device 1822-173_Xuv.ps/vps,1,2
! Attempting to open device: '1822-173_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1822-173_Xim.ps/vps
! Attempting to open device: '1822-173_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=1.213 mas, bmaj=3.276 mas, bpa=-7.584 degrees
! Estimated noise=0.63815 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.213 x 3.276 at -7.584 degrees (North through East)
! Clean map  min=-0.0032914  max=0.16932 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1-pw]
quit
! Quitting program
! Log file 1822-173_X.log closed on Wed Aug 13 16:37:52 2008