! Started logfile: 0804+499_X.log on Wed Apr  8 19:26:52 2009
observe 0804+499_X.edt2
! Reading UV FITS file: 0804+499_X.edt2
! AN table 1: 26 integrations on 190 of 190 possible baselines.
! AN table 2: 80 integrations on 190 of 190 possible baselines.
! AN table 3: 29 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.371774 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0804+499
! 
! 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 1495 lines of history.
! 
! Reading 38144 visibilities.
![@gonzo8-0.1 0804+499_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 397 telescope corrections were flagged in sub-array 1.
!  A total of 943 telescope corrections were flagged in sub-array 2.
!  A total of 435 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 397 telescope corrections were flagged in sub-array 1.
!  A total of 968 telescope corrections were flagged in sub-array 2.
!  A total of 440 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 397 telescope corrections were flagged in sub-array 1.
!  A total of 946 telescope corrections were flagged in sub-array 2.
!  A total of 442 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 398 telescope corrections were flagged in sub-array 1.
!  A total of 945 telescope corrections were flagged in sub-array 2.
!  A total of 438 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.565942Jy  sigma=9.441277
! Fit after  self-cal, rms=0.562484Jy  sigma=9.444339
! 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=0.5116 mas, bmaj=0.6649 mas, bpa=-7.979 degrees
! Estimated noise=0.641436 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 = 0.336735 Jy
! Total flux subtracted in 50 components = 0.336735 Jy
! Clean residual min=-0.010104 max=0.093959 Jy/beam
! Clean residual mean=0.000064 rms=0.002882 Jy/beam
! Combined flux in latest and established models = 0.336735 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 0.336735 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.176627Jy  sigma=2.504239
! Fit after  self-cal, rms=0.176627Jy  sigma=2.504239
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0739012 Jy
! Total flux subtracted in 50 components = 0.0739012 Jy
! Clean residual min=-0.007435 max=0.023071 Jy/beam
! Clean residual mean=0.000039 rms=0.001809 Jy/beam
! Combined flux in latest and established models = 0.410636 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.410636 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139526Jy  sigma=1.743868
! Fit after  self-cal, rms=0.139538Jy  sigma=1.743743
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0242197 Jy
! Total flux subtracted in 50 components = 0.0242197 Jy
! Clean residual min=-0.007291 max=0.015745 Jy/beam
! Clean residual mean=0.000032 rms=0.001673 Jy/beam
! Combined flux in latest and established models = 0.434856 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 13 components and 0.434856 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134263Jy  sigma=1.628480
! Fit after  self-cal, rms=0.134262Jy  sigma=1.628249
! Inverting map 
! Added new window around map position (0.6, -0.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0162848 Jy
! Total flux subtracted in 50 components = 0.0162848 Jy
! Clean residual min=-0.007134 max=0.012082 Jy/beam
! Clean residual mean=0.000028 rms=0.001607 Jy/beam
! Combined flux in latest and established models = 0.451141 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 23 components and 0.451141 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.131965Jy  sigma=1.576572
! Fit after  self-cal, rms=0.131899Jy  sigma=1.575476
! 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=0.5931 mas, bmaj=0.8637 mas, bpa=-0.1876 degrees
! Estimated noise=0.370968 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 = 0.0208119 Jy
! Component: 100  -  total flux cleaned = 0.0331102 Jy
! Total flux subtracted in 100 components = 0.0331102 Jy
! Clean residual min=-0.005255 max=0.012305 Jy/beam
! Clean residual mean=0.000310 rms=0.001440 Jy/beam
! Combined flux in latest and established models = 0.484251 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 42 components and 0.484251 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128642Jy  sigma=1.506985
! Fit after  self-cal, rms=0.128540Jy  sigma=1.504813
! Inverting map 
! Added new window around map position (1.4, -1.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0118422 Jy
! Component: 100  -  total flux cleaned = 0.0195028 Jy
! Total flux subtracted in 100 components = 0.0195028 Jy
! Clean residual min=-0.005055 max=0.006679 Jy/beam
! Clean residual mean=0.000229 rms=0.001277 Jy/beam
! Combined flux in latest and established models = 0.503754 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 60 components and 0.503754 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127404Jy  sigma=1.480525
! Fit after  self-cal, rms=0.127332Jy  sigma=1.478918
! 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        1.03     FD        0.97     GC        0.95     HH        1.00*    
!   HN        0.97     KK        0.89     KP        0.79     LA        1.11     
!   MA        1.00*    MC        1.31     MK        0.98     NL        0.92     
!   NY        0.90     ON        1.03     OV        1.07     PT        0.97     
!   SC        1.06     TS        1.00*    WF        0.92     WZ        1.00     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.01     GC        0.88     HH        1.00*    
!   HN        1.02     KK        0.95     KP        0.99     LA        0.95     
!   MA        0.93     MC        0.99     MK        1.02     NL        1.04     
!   NY        0.92     ON        1.10     OV        1.01     PT        1.00     
!   SC        1.04     TS        0.95     WF        0.97     WZ        1.00     
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.09     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.13     KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        0.95     MC        0.88     MK        1.03     NL        1.00*    
!   NY        1.03     ON        0.97     OV        1.15     PT        1.00*    
!   SC        1.00*    TS        0.99     WF        1.06     WZ        0.90     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.95     GC        0.96     HH        1.00*    
!   HN        1.00     KK        0.89     KP        0.93     LA        0.93     
!   MA        1.00*    MC        1.35     MK        0.98     NL        0.90     
!   NY        0.88     ON        1.09     OV        1.02     PT        1.00     
!   SC        1.24     TS        1.00*    WF        0.88     WZ        1.04     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.02     GC        0.89     HH        1.00*    
!   HN        1.01     KK        1.00     KP        0.97     LA        0.95     
!   MA        0.91     MC        1.00     MK        1.01     NL        1.04     
!   NY        0.94     ON        1.01     OV        1.05     PT        0.99     
!   SC        1.67     TS        0.94     WF        0.95     WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.13     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.09     KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.13     MC        0.96     MK        1.07     NL        1.18     
!   NY        0.93     ON        1.01     OV        1.07     PT        1.00*    
!   SC        1.00*    TS        0.95     WF        1.08     WZ        0.95     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.12     GC        0.95     HH        1.00*    
!   HN        1.00     KK        0.85     KP        0.97     LA        0.98     
!   MA        1.00*    MC        1.43     MK        1.03     NL        0.92     
!   NY        0.85     ON        1.42     OV        0.99     PT        0.98     
!   SC        1.07     TS        1.00*    WF        0.87     WZ        0.99     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.03     GC        0.93     HH        1.00*    
!   HN        1.03     KK        0.93     KP        0.98     LA        0.93     
!   MA        0.93     MC        0.99     MK        1.03     NL        1.07     
!   NY        0.92     ON        1.04     OV        1.01     PT        1.00     
!   SC        0.96     TS        0.96     WF        0.95     WZ        0.75     
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.09     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.46     KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.17     MC        0.93     MK        1.11     NL        1.00*    
!   NY        0.98     ON        0.91     OV        1.13     PT        1.00*    
!   SC        1.00*    TS        0.96     WF        1.02     WZ        0.89     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.92     GC        0.95     HH        1.00*    
!   HN        0.98     KK        0.95     KP        1.04     LA        0.89     
!   MA        1.00*    MC        1.36     MK        0.99     NL        0.94     
!   NY        0.88     ON        1.24     OV        0.95     PT        1.00     
!   SC        1.02     TS        1.00*    WF        0.94     WZ        1.06     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        1.03     GC        0.92     HH        1.00*    
!   HN        1.02     KK        0.96     KP        0.97     LA        0.94     
!   MA        0.90     MC        0.96     MK        0.99     NL        1.04     
!   NY        0.92     ON        1.00     OV        1.02     PT        1.04     
!   SC        1.06     TS        0.94     WF        0.94     WZ        1.01     
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.08     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.16     KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.11     MC        0.93     MK        1.09     NL        1.00*    
!   NY        0.99     ON        0.99     OV        1.09     PT        1.00*    
!   SC        1.00*    TS        0.98     WF        1.07     WZ        0.89     
! 
! 
! Fit before self-cal, rms=0.127332Jy  sigma=1.478918
! Fit after  self-cal, rms=0.120040Jy  sigma=1.340007
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.5902 mas, bmaj=0.8633 mas, bpa=-0.8225 degrees
! Estimated noise=0.365541 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 (0.5, 0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00623364 Jy
! Component: 100  -  total flux cleaned = 0.00866259 Jy
! Total flux subtracted in 100 components = 0.00866259 Jy
! Clean residual min=-0.003766 max=0.004595 Jy/beam
! Clean residual mean=0.000129 rms=0.000873 Jy/beam
! Combined flux in latest and established models = 0.512416 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 76 components and 0.512416 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119604Jy  sigma=1.332342
! Fit after  self-cal, rms=0.119613Jy  sigma=1.331705
! 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 = 0.00192243 Jy
! Component: 100  -  total flux cleaned = 0.00333627 Jy
! Total flux subtracted in 100 components = 0.00333627 Jy
! Clean residual min=-0.003781 max=0.004510 Jy/beam
! Clean residual mean=0.000115 rms=0.000852 Jy/beam
! Combined flux in latest and established models = 0.515753 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 82 components and 0.515752 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119442Jy  sigma=1.329264
! Fit after  self-cal, rms=0.119299Jy  sigma=1.220953
! Inverting map and beam 
! Estimated beam: bmin=0.587 mas, bmaj=0.8669 mas, bpa=-0.483 degrees
! Estimated noise=0.36556 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 = 0.00452931 Jy
! Component: 100  -  total flux cleaned = 0.00604062 Jy
! Total flux subtracted in 100 components = 0.00604062 Jy
! Clean residual min=-0.002261 max=0.002611 Jy/beam
! Clean residual mean=0.000050 rms=0.000559 Jy/beam
! Combined flux in latest and established models = 0.521793 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 94 components and 0.521793 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119103Jy  sigma=1.216849
! Fit after  self-cal, rms=0.119085Jy  sigma=1.216527
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0804+499_X
! Writing UV FITS file: 0804+499_X.uvf
! Writing 94 model components to file: 0804+499_X.mod
! wwins: Wrote 4 windows to 0804+499_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.587 x 0.8669 at -0.483 degrees (North through East)
! Clean map  min=-0.0021183  max=0.43961 Jy/beam
! Writing clean map to FITS file: 0804+499_X.fits
! Writing difmap environment to: 0804+499_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0804+499_X]
device 0804+499_Xuv.ps/vps,1,2
! Attempting to open device: '0804+499_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0804+499_Xim.ps/vps
! Attempting to open device: '0804+499_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=0.587 mas, bmaj=0.8669 mas, bpa=-0.483 degrees
! Estimated noise=0.36556 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.587 x 0.8669 at -0.483 degrees (North through East)
! Clean map  min=-0.0021183  max=0.43961 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0804+499_X.log closed on Wed Apr  8 19:27:02 2009