! Started logfile: 1308+326_X.log on Wed May 14 12:55:12 2008
observe 1308+326_X.edt
! Reading UV FITS file: 1308+326_X.edt
! AN table 1: 82 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.245736 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1308+326
! 
! 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 12332 visibilities.
![@gonzo8-0.1 1308+326_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 1020 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 983 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 987 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 989 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.456226Jy  sigma=0.006321
! Fit after  self-cal, rms=0.451397Jy  sigma=0.006252
! 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=0.4821 mas, bmaj=1.034 mas, bpa=-17.8 degrees
! Estimated noise=946.579 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 = 0.608005 Jy
! Total flux subtracted in 50 components = 0.608005 Jy
! Clean residual min=-0.045301 max=0.266132 Jy/beam
! Clean residual mean=0.000123 rms=0.013941 Jy/beam
! Combined flux in latest and established models = 0.608005 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.608005 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.496493Jy  sigma=0.007239
! Fit after  self-cal, rms=0.496486Jy  sigma=0.007239
! Inverting map 
! Added new window around map position (-1.3, 0.3).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.242478 Jy
! Total flux subtracted in 50 components = 0.242478 Jy
! Clean residual min=-0.032485 max=0.112435 Jy/beam
! Clean residual mean=0.000079 rms=0.010187 Jy/beam
! Combined flux in latest and established models = 0.850483 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 0.850483 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.371362Jy  sigma=0.005442
! Fit after  self-cal, rms=0.362162Jy  sigma=0.005349
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.15253 Jy
! Total flux subtracted in 50 components = 0.15253 Jy
! Clean residual min=-0.024730 max=0.082894 Jy/beam
! Clean residual mean=0.000047 rms=0.007860 Jy/beam
! Combined flux in latest and established models = 1.00301 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 17 components and 1.00301 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.294104Jy  sigma=0.004311
! Fit after  self-cal, rms=0.290820Jy  sigma=0.004282
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.11043 Jy
! Total flux subtracted in 50 components = 0.11043 Jy
! Clean residual min=-0.020293 max=0.060645 Jy/beam
! Clean residual mean=0.000024 rms=0.006445 Jy/beam
! Combined flux in latest and established models = 1.11344 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 19 components and 1.11344 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246691Jy  sigma=0.003579
! Fit after  self-cal, rms=0.245018Jy  sigma=0.003565
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0813174 Jy
! Total flux subtracted in 50 components = 0.0813174 Jy
! Clean residual min=-0.017370 max=0.046118 Jy/beam
! Clean residual mean=0.000007 rms=0.005532 Jy/beam
! Combined flux in latest and established models = 1.19476 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 30 components and 1.19476 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.217037Jy  sigma=0.003092
! Fit after  self-cal, rms=0.216156Jy  sigma=0.003085
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0636064 Jy
! Total flux subtracted in 50 components = 0.0636064 Jy
! Clean residual min=-0.015926 max=0.037194 Jy/beam
! Clean residual mean=-0.000007 rms=0.004890 Jy/beam
! Combined flux in latest and established models = 1.25837 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 41 components and 1.25837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.197560Jy  sigma=0.002751
! Fit after  self-cal, rms=0.197073Jy  sigma=0.002747
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0516964 Jy
! Total flux subtracted in 50 components = 0.0516964 Jy
! Clean residual min=-0.014657 max=0.030631 Jy/beam
! Clean residual mean=-0.000018 rms=0.004414 Jy/beam
! Combined flux in latest and established models = 1.31006 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 46 components and 1.31006 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.184072Jy  sigma=0.002500
! Fit after  self-cal, rms=0.183772Jy  sigma=0.002498
! 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=0.5594 mas, bmaj=1.17 mas, bpa=-19.44 degrees
! Estimated noise=605.053 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 = 0.068691 Jy
! Component: 100  -  total flux cleaned = 0.116174 Jy
! Total flux subtracted in 100 components = 0.116174 Jy
! Clean residual min=-0.013828 max=0.026667 Jy/beam
! Clean residual mean=0.000043 rms=0.004684 Jy/beam
! Combined flux in latest and established models = 1.42624 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 72 components and 1.42624 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.162824Jy  sigma=0.002049
! Fit after  self-cal, rms=0.162409Jy  sigma=0.002045
! 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        0.92     FD        1.04     GC        0.99     HH        1.00*    
!   HN        0.96     KK        1.00     KP        0.93     LA        0.92     
!   MC        1.00*    MK        0.98     NL        0.95     NY        0.94     
!   ON        0.96     OV        0.94     PT        0.93     SC        1.02     
!   WF        1.02     WZ        1.05     
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.94     FD        1.03     GC        1.02     HH        1.00*    
!   HN        0.96     KK        1.03     KP        0.95     LA        0.93     
!   MC        1.10     MK        0.95     NL        0.93     NY        0.95     
!   ON        0.93     OV        0.93     PT        0.95     SC        1.00     
!   WF        1.05     WZ        1.02     
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.07     GC        1.04     HH        1.00*    
!   HN        0.97     KK        1.03     KP        0.98     LA        0.94     
!   MC        1.15     MK        0.94     NL        0.95     NY        0.95     
!   ON        0.95     OV        0.95     PT        0.95     SC        1.04     
!   WF        1.20     WZ        1.03     
! 
! 
! Correcting IF 4.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.05     GC        1.10     HH        1.00*    
!   HN        0.95     KK        1.02     KP        0.96     LA        0.95     
!   MC        1.22     MK        0.92     NL        0.97     NY        0.99     
!   ON        0.96     OV        0.95     PT        0.97     SC        1.12     
!   WF        1.26     WZ        1.05     
! 
! 
! Fit before self-cal, rms=0.162409Jy  sigma=0.002045
! Fit after  self-cal, rms=0.140254Jy  sigma=0.001593
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.5715 mas, bmaj=1.186 mas, bpa=-19.59 degrees
! Estimated noise=589.757 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 = 0.00970534 Jy
! Component: 100  -  total flux cleaned = 0.0117307 Jy
! Total flux subtracted in 100 components = 0.0117307 Jy
! Clean residual min=-0.009348 max=0.010596 Jy/beam
! Clean residual mean=0.000326 rms=0.002436 Jy/beam
! Combined flux in latest and established models = 1.43797 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 87 components and 1.43797 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.138798Jy  sigma=0.001564
! Fit after  self-cal, rms=0.138510Jy  sigma=0.001561
! 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 = 0.00351337 Jy
! Component: 100  -  total flux cleaned = 0.00519626 Jy
! Total flux subtracted in 100 components = 0.00519626 Jy
! Clean residual min=-0.009054 max=0.010489 Jy/beam
! Clean residual mean=0.000314 rms=0.002384 Jy/beam
! Combined flux in latest and established models = 1.44316 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 92 components and 1.44316 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137924Jy  sigma=0.001548
! Fit after  self-cal, rms=0.120018Jy  sigma=0.001268
! Inverting map and beam 
! Estimated beam: bmin=0.5709 mas, bmaj=1.187 mas, bpa=-19.06 degrees
! Estimated noise=589.995 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 = 0.00559029 Jy
! Component: 100  -  total flux cleaned = 0.00758574 Jy
! Total flux subtracted in 100 components = 0.00758574 Jy
! Clean residual min=-0.005055 max=0.005228 Jy/beam
! Clean residual mean=0.000204 rms=0.001027 Jy/beam
! Combined flux in latest and established models = 1.45075 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 99 components and 1.45075 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119442Jy  sigma=0.001257
! Fit after  self-cal, rms=0.119367Jy  sigma=0.001256
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1308+326_X
! Writing UV FITS file: 1308+326_X.uvf
! Writing 99 model components to file: 1308+326_X.mod
! wwins: Wrote 2 windows to 1308+326_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5709 x 1.187 at -19.06 degrees (North through East)
! Clean map  min=-0.0046747  max=0.77711 Jy/beam
! Writing clean map to FITS file: 1308+326_X.fits
! Writing difmap environment to: 1308+326_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1308+326_X]
device 1308+326_Xuv.ps/vps,1,2
! Attempting to open device: '1308+326_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1308+326_Xim.ps/vps
! Attempting to open device: '1308+326_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=0.5709 mas, bmaj=1.187 mas, bpa=-19.06 degrees
! Estimated noise=589.995 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5709 x 1.187 at -19.06 degrees (North through East)
! Clean map  min=-0.0046747  max=0.77711 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1308+326_X.log closed on Wed May 14 12:55:25 2008