! Started logfile: 0804+499_S.log on Tue Apr 29 22:11:47 2008
observe 0804+499_S.edt
! Reading UV FITS file: 0804+499_S.edt
! AN table 1: 110 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.307784 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 955 lines of history.
! 
! Reading 20720 visibilities.
![@gonzo7-0.4 0804+499_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 7.0
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 0.400x0.400 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 1451 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1363 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1472 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.362466Jy  sigma=0.004276
! Fit after  self-cal, rms=0.361227Jy  sigma=0.004288
! 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=2.033 mas, bmaj=2.885 mas, bpa=-22.38 degrees
! Estimated noise=1068.86 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 = 0.501194 Jy
! Total flux subtracted in 50 components = 0.501194 Jy
! Clean residual min=-0.020506 max=0.139811 Jy/beam
! Clean residual mean=0.000027 rms=0.005315 Jy/beam
! Combined flux in latest and established models = 0.501194 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 0.501194 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.230416Jy  sigma=0.003117
! Fit after  self-cal, rms=0.230415Jy  sigma=0.003117
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.119337 Jy
! Total flux subtracted in 50 components = 0.119337 Jy
! Clean residual min=-0.012446 max=0.048580 Jy/beam
! Clean residual mean=0.000003 rms=0.003398 Jy/beam
! Combined flux in latest and established models = 0.620531 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 10 components and 0.620531 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160781Jy  sigma=0.002095
! Fit after  self-cal, rms=0.160764Jy  sigma=0.002095
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0584331 Jy
! Total flux subtracted in 50 components = 0.0584331 Jy
! Clean residual min=-0.010746 max=0.030930 Jy/beam
! Clean residual mean=-0.000008 rms=0.002777 Jy/beam
! Combined flux in latest and established models = 0.678964 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 20 components and 0.678964 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139724Jy  sigma=0.001743
! Fit after  self-cal, rms=0.139689Jy  sigma=0.001743
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0387088 Jy
! Total flux subtracted in 50 components = 0.0387088 Jy
! Clean residual min=-0.009973 max=0.020884 Jy/beam
! Clean residual mean=-0.000015 rms=0.002453 Jy/beam
! Combined flux in latest and established models = 0.717673 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 25 components and 0.717673 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129631Jy  sigma=0.001563
! Fit after  self-cal, rms=0.129583Jy  sigma=0.001563
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0264622 Jy
! Total flux subtracted in 50 components = 0.0264622 Jy
! Clean residual min=-0.009463 max=0.014533 Jy/beam
! Clean residual mean=-0.000020 rms=0.002283 Jy/beam
! Combined flux in latest and established models = 0.744135 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 34 components and 0.744135 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124733Jy  sigma=0.001470
! Fit after  self-cal, rms=0.124710Jy  sigma=0.001470
! 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=2.501 mas, bmaj=3.554 mas, bpa=-12.66 degrees
! Estimated noise=576.145 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 = 0.0269001 Jy
! Component: 100  -  total flux cleaned = 0.0420866 Jy
! Total flux subtracted in 100 components = 0.0420866 Jy
! Clean residual min=-0.009826 max=0.010977 Jy/beam
! Clean residual mean=-0.000162 rms=0.002217 Jy/beam
! Combined flux in latest and established models = 0.786222 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 39 components and 0.786222 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120623Jy  sigma=0.001381
! Fit after  self-cal, rms=0.120545Jy  sigma=0.001380
! 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        0.98     FD        1.07     GC        0.99     HH        1.00*    
!   HN        0.97     KK        0.96     KP        0.94     LA        0.98     
!   MC        0.97     MK        1.02     NL        0.93     NY        0.96     
!   ON        1.03     OV        0.94     PT        1.01     SC        0.95     
!   WF        1.14     WZ        0.92     
! 
! 
! 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        1.01     GC        0.97     HH        1.00*    
!   HN        0.98     KK        0.97     KP        1.02     LA        0.99     
!   MC        1.11     MK        1.03     NL        0.96     NY        0.95     
!   ON        1.00     OV        0.92     PT        0.95     SC        1.03     
!   WF        1.11     WZ        0.90     
! 
! 
! Correcting IF 3.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.06     GC        0.98     HH        1.00*    
!   HN        1.10     KK        1.00     KP        0.99     LA        0.96     
!   MC        1.28     MK        0.95     NL        0.99     NY        1.00     
!   ON        1.04     OV        0.97     PT        1.00     SC        1.14     
!   WF        1.16     WZ        0.88     
! 
! 
! Correcting IF 4.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.96     GC        1.02     HH        1.00*    
!   HN        1.08     KK        1.03     KP        1.03     LA        1.00*    
!   MC        1.25     MK        0.96     NL        0.99     NY        1.01     
!   ON        1.08     OV        0.86     PT        1.02     SC        1.14     
!   WF        1.20     WZ        0.89     
! 
! 
! Fit before self-cal, rms=0.120545Jy  sigma=0.001380
! Fit after  self-cal, rms=0.106056Jy  sigma=0.001139
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.515 mas, bmaj=3.589 mas, bpa=-12.64 degrees
! Estimated noise=574.233 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 (2.4, -4.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00559042 Jy
! Component: 100  -  total flux cleaned = 0.00875091 Jy
! Total flux subtracted in 100 components = 0.00875091 Jy
! Clean residual min=-0.003247 max=0.003607 Jy/beam
! Clean residual mean=0.000153 rms=0.000786 Jy/beam
! Combined flux in latest and established models = 0.794973 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 48 components and 0.794973 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105841Jy  sigma=0.001134
! Fit after  self-cal, rms=0.105825Jy  sigma=0.001133
! 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 = 0.00173137 Jy
! Component: 100  -  total flux cleaned = 0.00205068 Jy
! Total flux subtracted in 100 components = 0.00205068 Jy
! Clean residual min=-0.003143 max=0.003465 Jy/beam
! Clean residual mean=0.000148 rms=0.000769 Jy/beam
! Combined flux in latest and established models = 0.797023 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 61 components and 0.797023 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105768Jy  sigma=0.001132
! Fit after  self-cal, rms=0.101407Jy  sigma=0.001087
! Inverting map and beam 
! Estimated beam: bmin=2.511 mas, bmaj=3.592 mas, bpa=-12.41 degrees
! Estimated noise=574.7 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 = 0.00287678 Jy
! Component: 100  -  total flux cleaned = 0.00399625 Jy
! Total flux subtracted in 100 components = 0.00399625 Jy
! Clean residual min=-0.002388 max=0.002835 Jy/beam
! Clean residual mean=0.000138 rms=0.000630 Jy/beam
! Combined flux in latest and established models = 0.80102 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 68 components and 0.80102 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101329Jy  sigma=0.001086
! Fit after  self-cal, rms=0.101320Jy  sigma=0.001086
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0804+499_S
! Writing UV FITS file: 0804+499_S.uvf
! Writing 68 model components to file: 0804+499_S.mod
! wwins: Wrote 2 windows to 0804+499_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.511 x 3.592 at -12.41 degrees (North through East)
! Clean map  min=-0.0023498  max=0.67342 Jy/beam
! Writing clean map to FITS file: 0804+499_S.fits
! Writing difmap environment to: 0804+499_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0804+499_S]
device 0804+499_Suv.ps/vps,1,2
! Attempting to open device: '0804+499_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0804+499_Sim.ps/vps
! Attempting to open device: '0804+499_Sim.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=2.511 mas, bmaj=3.592 mas, bpa=-12.41 degrees
! Estimated noise=574.7 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.511 x 3.592 at -12.41 degrees (North through East)
! Clean map  min=-0.0023498  max=0.67342 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0804+499_S.log closed on Tue Apr 29 22:11:53 2008