! Started logfile: NRAO512_X.log on Wed Aug  3 11:31:24 2005
observe NRAO512_X.edt
! Reading UV FITS file: NRAO512_X.edt
! AN table 1: 47 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.100286 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: NRAO512
! 
! 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 1818 lines of history.
! 
! Reading 3224 visibilities.
![@gonzo8-0.1 NRAO512_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 = 8.0
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 681 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 681 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 685 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 679 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.237358Jy  sigma=0.004529
! Fit after  self-cal, rms=0.237020Jy  sigma=0.004527
! 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=0.7949 mas, bmaj=2.033 mas, bpa=-9.812 degrees
! Estimated noise=1176.87 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 = 0.589505 Jy
! Total flux subtracted in 50 components = 0.589505 Jy
! Clean residual min=-0.036576 max=0.164410 Jy/beam
! Clean residual mean=-0.000247 rms=0.012740 Jy/beam
! Combined flux in latest and established models = 0.589505 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 0.589505 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.223154Jy  sigma=0.004672
! Fit after  self-cal, rms=0.223154Jy  sigma=0.004672
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.142456 Jy
! Total flux subtracted in 50 components = 0.142456 Jy
! Clean residual min=-0.017948 max=0.057145 Jy/beam
! Clean residual mean=-0.000119 rms=0.005905 Jy/beam
! Combined flux in latest and established models = 0.731961 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 13 components and 0.731961 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114464Jy  sigma=0.002369
! Fit after  self-cal, rms=0.114458Jy  sigma=0.002369
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.059762 Jy
! Total flux subtracted in 50 components = 0.059762 Jy
! Clean residual min=-0.011542 max=0.026828 Jy/beam
! Clean residual mean=-0.000068 rms=0.003662 Jy/beam
! Combined flux in latest and established models = 0.791723 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 19 components and 0.791723 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082734Jy  sigma=0.001659
! Fit after  self-cal, rms=0.082731Jy  sigma=0.001659
! 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=1.032 mas, bmaj=2.371 mas, bpa=-7.484 degrees
! Estimated noise=673.349 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 = 0.0387658 Jy
! Component: 100  -  total flux cleaned = 0.0580232 Jy
! Total flux subtracted in 100 components = 0.0580232 Jy
! Clean residual min=-0.006247 max=0.010057 Jy/beam
! Clean residual mean=-0.000018 rms=0.001920 Jy/beam
! Combined flux in latest and established models = 0.849746 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 45 model components to the UV plane model.
! The established model now contains 62 components and 0.849746 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.066401Jy  sigma=0.001278
! Fit after  self-cal, rms=0.066342Jy  sigma=0.001277
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        1.01     LA        0.97     
!   MC        1.00*    MK        0.99     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        1.00     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        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        0.98     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.99     LA        0.97     
!   MC        1.00*    MK        1.00     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        1.00     SC        1.02     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        1.00     LA        0.99     
!   MC        1.00*    MK        0.99     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.02     SC        1.08     
!   TS        1.00*    WF        1.00*    WZ        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        1.00     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.08     KK        1.00*    KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.03     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.01     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.066342Jy  sigma=0.001277
! Fit after  self-cal, rms=0.060407Jy  sigma=0.001151
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.042 mas, bmaj=2.399 mas, bpa=-7.713 degrees
! Estimated noise=670.325 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 = 0.00113215 Jy
! Component: 100  -  total flux cleaned = 0.00113251 Jy
! Total flux subtracted in 100 components = 0.00113251 Jy
! Clean residual min=-0.003980 max=0.004039 Jy/beam
! Clean residual mean=0.000013 rms=0.000958 Jy/beam
! Combined flux in latest and established models = 0.850879 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 69 components and 0.850879 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.060280Jy  sigma=0.001148
! Fit after  self-cal, rms=0.060258Jy  sigma=0.001148
! 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 = -8.09837e-05 Jy
! Component: 100  -  total flux cleaned = -3.24834e-05 Jy
! Total flux subtracted in 100 components = -3.24834e-05 Jy
! Clean residual min=-0.004007 max=0.004067 Jy/beam
! Clean residual mean=0.000013 rms=0.000946 Jy/beam
! Combined flux in latest and established models = 0.850846 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 72 components and 0.850846 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.060206Jy  sigma=0.001147
! Fit after  self-cal, rms=0.058130Jy  sigma=0.001109
! Inverting map and beam 
! Estimated beam: bmin=1.042 mas, bmaj=2.397 mas, bpa=-7.633 degrees
! Estimated noise=670.837 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 = 0.00104508 Jy
! Component: 100  -  total flux cleaned = 0.00127673 Jy
! Total flux subtracted in 100 components = 0.00127673 Jy
! Clean residual min=-0.003080 max=0.003217 Jy/beam
! Clean residual mean=0.000009 rms=0.000742 Jy/beam
! Combined flux in latest and established models = 0.852123 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 75 components and 0.852123 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.058059Jy  sigma=0.001108
! Fit after  self-cal, rms=0.058045Jy  sigma=0.001108
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save NRAO512_X
! Writing UV FITS file: NRAO512_X.uvf
! Writing 75 model components to file: NRAO512_X.mod
! wwins: Wrote 1 windows to NRAO512_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.042 x 2.397 at -7.633 degrees (North through East)
! Clean map  min=-0.0029838  max=0.78121 Jy/beam
! Writing clean map to FITS file: NRAO512_X.fits
! Writing difmap environment to: NRAO512_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot NRAO512_X]
device NRAO512_Xuv.ps/vps,1,2
! Attempting to open device: 'NRAO512_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device NRAO512_Xim.ps/vps
! Attempting to open device: 'NRAO512_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=1.042 mas, bmaj=2.397 mas, bpa=-7.633 degrees
! Estimated noise=670.837 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.042 x 2.397 at -7.633 degrees (North through East)
! Clean map  min=-0.0029838  max=0.78121 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file NRAO512_X.log closed on Wed Aug  3 11:31:40 2005