! Started logfile: 2136+141_X.log on Wed May 14 16:07:37 2008
observe 2136+141_X.edt
! Reading UV FITS file: 2136+141_X.edt
! AN table 1: 52 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.207516 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 2136+141
! 
! 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 938 lines of history.
! 
! Reading 6604 visibilities.
![@gonzo8-0.1 2136+141_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 679 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 675 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 671 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 674 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.572316Jy  sigma=0.008749
! Fit after  self-cal, rms=0.569366Jy  sigma=0.008750
! 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=0.498 mas, bmaj=1.323 mas, bpa=-11.48 degrees
! Estimated noise=1862.36 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 = 0.948512 Jy
! Total flux subtracted in 50 components = 0.948512 Jy
! Clean residual min=-0.065120 max=0.330313 Jy/beam
! Clean residual mean=0.002146 rms=0.030041 Jy/beam
! Combined flux in latest and established models = 0.948512 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 0.948512 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.606091Jy  sigma=0.009304
! Fit after  self-cal, rms=0.605810Jy  sigma=0.009302
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.35166 Jy
! Total flux subtracted in 50 components = 0.35166 Jy
! Clean residual min=-0.038806 max=0.157566 Jy/beam
! Clean residual mean=0.001339 rms=0.017101 Jy/beam
! Combined flux in latest and established models = 1.30017 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 11 components and 1.30017 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.350713Jy  sigma=0.005418
! Fit after  self-cal, rms=0.349545Jy  sigma=0.005407
! Inverting map 
! Added new window around map position (-0.5, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.17641 Jy
! Total flux subtracted in 50 components = 0.17641 Jy
! Clean residual min=-0.028637 max=0.095235 Jy/beam
! Clean residual mean=0.000937 rms=0.011526 Jy/beam
! Combined flux in latest and established models = 1.47658 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 23 components and 1.47658 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.243479Jy  sigma=0.003693
! Fit after  self-cal, rms=0.241510Jy  sigma=0.003674
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.108746 Jy
! Total flux subtracted in 50 components = 0.108746 Jy
! Clean residual min=-0.022769 max=0.068446 Jy/beam
! Clean residual mean=0.000693 rms=0.008380 Jy/beam
! Combined flux in latest and established models = 1.58533 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 33 components and 1.58533 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.189250Jy  sigma=0.002770
! Fit after  self-cal, rms=0.187218Jy  sigma=0.002749
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0724685 Jy
! Total flux subtracted in 50 components = 0.0724685 Jy
! Clean residual min=-0.019455 max=0.046906 Jy/beam
! Clean residual mean=0.000530 rms=0.006450 Jy/beam
! Combined flux in latest and established models = 1.6578 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 42 components and 1.6578 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158762Jy  sigma=0.002223
! Fit after  self-cal, rms=0.157672Jy  sigma=0.002211
! 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=0.7049 mas, bmaj=1.504 mas, bpa=-8.543 degrees
! Estimated noise=768.042 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 = 0.075211 Jy
! Component: 100  -  total flux cleaned = 0.119843 Jy
! Total flux subtracted in 100 components = 0.119843 Jy
! Clean residual min=-0.014464 max=0.033303 Jy/beam
! Clean residual mean=0.000812 rms=0.005349 Jy/beam
! Combined flux in latest and established models = 1.77764 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 35 model components to the UV plane model.
! The established model now contains 71 components and 1.77764 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127391Jy  sigma=0.001595
! Fit after  self-cal, rms=0.126596Jy  sigma=0.001587
! 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 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.98     GC        1.02     HH        1.00*    
!   HN        1.00     KK        1.00*    KP        0.98     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00     
!   ON        1.01     OV        0.98     PT        0.97     SC        1.01     
!   WF        0.96     WZ        1.03     
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.96     GC        1.05     HH        1.00*    
!   HN        0.99     KK        1.00*    KP        0.98     LA        0.99     
!   MC        1.04     MK        1.00*    NL        0.96     NY        1.00     
!   ON        1.00     OV        0.97     PT        1.00     SC        0.99     
!   WF        0.96     WZ        1.04     
! 
! 
! Correcting IF 3.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.04     HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.01     LA        0.99     
!   MC        1.00     MK        1.00*    NL        0.97     NY        1.02     
!   ON        1.01     OV        0.98     PT        1.00     SC        1.03     
!   WF        1.07     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        0.98     FD        0.98     GC        1.10     HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.99     LA        1.00     
!   MC        1.03     MK        1.00*    NL        1.00     NY        1.02     
!   ON        0.99     OV        0.99     PT        1.02     SC        1.09     
!   WF        1.10     WZ        0.99     
! 
! 
! Fit before self-cal, rms=0.126596Jy  sigma=0.001587
! Fit after  self-cal, rms=0.110043Jy  sigma=0.001327
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7083 mas, bmaj=1.539 mas, bpa=-8.138 degrees
! Estimated noise=764.511 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 (-1.4, -0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0267255 Jy
! Component: 100  -  total flux cleaned = 0.0341023 Jy
! Total flux subtracted in 100 components = 0.0341023 Jy
! Clean residual min=-0.008280 max=0.010079 Jy/beam
! Clean residual mean=0.000584 rms=0.002107 Jy/beam
! Combined flux in latest and established models = 1.81174 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 86 components and 1.81174 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104575Jy  sigma=0.001228
! Fit after  self-cal, rms=0.104291Jy  sigma=0.001224
! 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 = 0.00375922 Jy
! Component: 100  -  total flux cleaned = 0.00375159 Jy
! Total flux subtracted in 100 components = 0.00375159 Jy
! Clean residual min=-0.009160 max=0.008204 Jy/beam
! Clean residual mean=0.000567 rms=0.001872 Jy/beam
! Combined flux in latest and established models = 1.81549 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 97 components and 1.81549 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103366Jy  sigma=0.001211
! Fit after  self-cal, rms=0.100841Jy  sigma=0.001188
! Inverting map and beam 
! Estimated beam: bmin=0.7098 mas, bmaj=1.538 mas, bpa=-8.115 degrees
! Estimated noise=763.937 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 = 0.00738936 Jy
! Component: 100  -  total flux cleaned = 0.0080254 Jy
! Total flux subtracted in 100 components = 0.0080254 Jy
! Clean residual min=-0.006959 max=0.007006 Jy/beam
! Clean residual mean=0.000329 rms=0.001492 Jy/beam
! Combined flux in latest and established models = 1.82352 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 110 components and 1.82352 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100164Jy  sigma=0.001177
! Fit after  self-cal, rms=0.100049Jy  sigma=0.001176
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 2136+141_X
! Writing UV FITS file: 2136+141_X.uvf
! Writing 110 model components to file: 2136+141_X.mod
! wwins: Wrote 3 windows to 2136+141_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7098 x 1.538 at -8.115 degrees (North through East)
! Clean map  min=-0.0065352  max=1.3304 Jy/beam
! Writing clean map to FITS file: 2136+141_X.fits
! Writing difmap environment to: 2136+141_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 2136+141_X]
device 2136+141_Xuv.ps/vps,1,2
! Attempting to open device: '2136+141_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 2136+141_Xim.ps/vps
! Attempting to open device: '2136+141_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=0.7098 mas, bmaj=1.538 mas, bpa=-8.115 degrees
! Estimated noise=763.937 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7098 x 1.538 at -8.115 degrees (North through East)
! Clean map  min=-0.0065352  max=1.3304 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 2136+141_X.log closed on Wed May 14 16:07:47 2008