! Started logfile: 1338+381_X.log on Tue Mar 25 10:42:44 2008
observe 1338+381_X.edt
! Reading UV FITS file: 1338+381_X.edt
! AN table 1: 94 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.220666 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1338+381
! 
! 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 1230 lines of history.
! 
! Reading 11284 visibilities.
![@gonzo8-0.1 1338+381_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 1393 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1439 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1411 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1443 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.893579Jy  sigma=0.015805
! Fit after  self-cal, rms=0.893449Jy  sigma=0.015897
! 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=0.5346 mas, bmaj=0.9347 mas, bpa=-22.82 degrees
! Estimated noise=2667.31 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 = 0.0824556 Jy
! Total flux subtracted in 50 components = 0.0824556 Jy
! Clean residual min=-0.009205 max=0.022995 Jy/beam
! Clean residual mean=0.000076 rms=0.002139 Jy/beam
! Combined flux in latest and established models = 0.0824556 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 0.0824556 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.043126Jy  sigma=0.000766
! Fit after  self-cal, rms=0.043131Jy  sigma=0.000766
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0180391 Jy
! Total flux subtracted in 50 components = 0.0180391 Jy
! Clean residual min=-0.006272 max=0.006725 Jy/beam
! Clean residual mean=0.000047 rms=0.001422 Jy/beam
! Combined flux in latest and established models = 0.100495 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 0.100495 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.035935Jy  sigma=0.000620
! Fit after  self-cal, rms=0.035928Jy  sigma=0.000620
! 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=0.6246 mas, bmaj=1.506 mas, bpa=-21.2 degrees
! Estimated noise=1331.35 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 = 0.0108772 Jy
! Component: 100  -  total flux cleaned = 0.0177888 Jy
! Total flux subtracted in 100 components = 0.0177888 Jy
! Clean residual min=-0.003882 max=0.005314 Jy/beam
! Clean residual mean=0.000022 rms=0.001365 Jy/beam
! Combined flux in latest and established models = 0.118283 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 15 components and 0.118283 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.033224Jy  sigma=0.000546
! Fit after  self-cal, rms=0.033215Jy  sigma=0.000546
! 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 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.95     GC        1.02     HN        0.98     
!   KK        1.03     KP        1.00*    LA        0.96     MC        1.00*    
!   MK        1.03     NL        0.95     NY        1.00     ON        1.00*    
!   OV        1.00*    PT        0.97     SC        1.06     WF        1.00     
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.94     GC        1.00*    HN        1.00     
!   KK        1.05     KP        1.00*    LA        0.98     MC        1.00*    
!   MK        1.02     NL        1.00     NY        0.96     ON        1.00*    
!   OV        1.00*    PT        0.94     SC        0.94     WF        1.03     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.00     GC        0.97     HN        0.96     
!   KK        0.98     KP        1.00*    LA        0.97     MC        1.00*    
!   MK        1.02     NL        0.92     NY        0.95     ON        1.00*    
!   OV        1.00*    PT        0.96     SC        1.02     WF        0.93     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.93     GC        0.99     HN        1.00     
!   KK        0.99     KP        1.00*    LA        0.98     MC        1.00*    
!   MK        0.99     NL        1.03     NY        0.98     ON        1.00*    
!   OV        1.00*    PT        0.98     SC        0.98     WF        1.01     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.033215Jy  sigma=0.000546
! Fit after  self-cal, rms=0.031923Jy  sigma=0.000526
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6234 mas, bmaj=1.464 mas, bpa=-21.18 degrees
! Estimated noise=1339.77 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 = 0.00293706 Jy
! Component: 100  -  total flux cleaned = 0.00394621 Jy
! Total flux subtracted in 100 components = 0.00394621 Jy
! Clean residual min=-0.003371 max=0.003397 Jy/beam
! Clean residual mean=0.000025 rms=0.000809 Jy/beam
! Combined flux in latest and established models = 0.12223 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 16 components and 0.12223 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.031706Jy  sigma=0.000522
! Fit after  self-cal, rms=0.031723Jy  sigma=0.000522
! 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 = 0.000253661 Jy
! Component: 100  -  total flux cleaned = 0.000254271 Jy
! Total flux subtracted in 100 components = 0.000254271 Jy
! Clean residual min=-0.003377 max=0.003328 Jy/beam
! Clean residual mean=0.000024 rms=0.000802 Jy/beam
! Combined flux in latest and established models = 0.122484 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 17 components and 0.122484 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.031682Jy  sigma=0.000521
! Fit after  self-cal, rms=0.031403Jy  sigma=0.000495
! Inverting map and beam 
! Estimated beam: bmin=0.621 mas, bmaj=1.467 mas, bpa=-21.25 degrees
! Estimated noise=1343.45 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 = 0.00110362 Jy
! Component: 100  -  total flux cleaned = 0.00148637 Jy
! Total flux subtracted in 100 components = 0.00148637 Jy
! Clean residual min=-0.003217 max=0.003058 Jy/beam
! Clean residual mean=-0.000006 rms=0.000718 Jy/beam
! Combined flux in latest and established models = 0.12397 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 21 components and 0.12397 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.031372Jy  sigma=0.000494
! Fit after  self-cal, rms=0.031365Jy  sigma=0.000494
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1338+381_X
! Writing UV FITS file: 1338+381_X.uvf
! Writing 21 model components to file: 1338+381_X.mod
! wwins: Wrote 1 windows to 1338+381_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.621 x 1.467 at -21.25 degrees (North through East)
! Clean map  min=-0.0030188  max=0.10649 Jy/beam
! Writing clean map to FITS file: 1338+381_X.fits
! Writing difmap environment to: 1338+381_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1338+381_X]
device 1338+381_Xuv.ps/vps,1,2
! Attempting to open device: '1338+381_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1338+381_Xim.ps/vps
! Attempting to open device: '1338+381_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=0.621 mas, bmaj=1.467 mas, bpa=-21.25 degrees
! Estimated noise=1343.45 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.621 x 1.467 at -21.25 degrees (North through East)
! Clean map  min=-0.0030188  max=0.10649 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1338+381_X.log closed on Tue Mar 25 10:42:49 2008