! Started logfile: 0804+499_S.log on Thu Jan 17 10:29:14 2008
observe 0804+499_S.edt
! Reading UV FITS file: 0804+499_S.edt
! AN table 1: 324 integrations on 136 of 136 possible baselines.
! AN table 2: 108 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.241558 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 1251 lines of history.
! 
! Reading 56768 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 4087 telescope corrections were flagged in sub-array 1.
!  A total of 1374 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 4150 telescope corrections were flagged in sub-array 1.
!  A total of 1366 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 4188 telescope corrections were flagged in sub-array 1.
!  A total of 1367 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 4166 telescope corrections were flagged in sub-array 1.
!  A total of 1375 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.302856Jy  sigma=0.003999
! Fit after  self-cal, rms=0.300298Jy  sigma=0.003994
! 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=1.97 mas, bmaj=2.557 mas, bpa=-13.77 degrees
! Estimated noise=756.348 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 = 0.541136 Jy
! Total flux subtracted in 50 components = 0.541136 Jy
! Clean residual min=-0.017118 max=0.151027 Jy/beam
! Clean residual mean=-0.000003 rms=0.005026 Jy/beam
! Combined flux in latest and established models = 0.541136 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 0.541136 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.269364Jy  sigma=0.004152
! Fit after  self-cal, rms=0.269363Jy  sigma=0.004152
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.138363 Jy
! Total flux subtracted in 50 components = 0.138363 Jy
! Clean residual min=-0.011587 max=0.057701 Jy/beam
! Clean residual mean=0.000002 rms=0.003133 Jy/beam
! Combined flux in latest and established models = 0.679499 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 0.679499 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179808Jy  sigma=0.002693
! Fit after  self-cal, rms=0.179698Jy  sigma=0.002692
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.06457 Jy
! Total flux subtracted in 50 components = 0.06457 Jy
! Clean residual min=-0.010007 max=0.032579 Jy/beam
! Clean residual mean=0.000004 rms=0.002543 Jy/beam
! Combined flux in latest and established models = 0.744069 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 14 components and 0.744069 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.150536Jy  sigma=0.002172
! Fit after  self-cal, rms=0.150398Jy  sigma=0.002171
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0407271 Jy
! Total flux subtracted in 50 components = 0.0407271 Jy
! Clean residual min=-0.009509 max=0.021991 Jy/beam
! Clean residual mean=0.000006 rms=0.002261 Jy/beam
! Combined flux in latest and established models = 0.784796 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 20 components and 0.784796 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137228Jy  sigma=0.001915
! Fit after  self-cal, rms=0.137134Jy  sigma=0.001914
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0279966 Jy
! Total flux subtracted in 50 components = 0.0279966 Jy
! Clean residual min=-0.009167 max=0.015704 Jy/beam
! Clean residual mean=0.000007 rms=0.002112 Jy/beam
! Combined flux in latest and established models = 0.812793 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 24 components and 0.812793 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130527Jy  sigma=0.001777
! Fit after  self-cal, rms=0.130474Jy  sigma=0.001777
! Inverting map 
! Added new window around map position (2, -0.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0198942 Jy
! Total flux subtracted in 50 components = 0.0198942 Jy
! Clean residual min=-0.008949 max=0.014327 Jy/beam
! Clean residual mean=0.000008 rms=0.002034 Jy/beam
! Combined flux in latest and established models = 0.832687 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 29 components and 0.832687 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127083Jy  sigma=0.001702
! Fit after  self-cal, rms=0.127039Jy  sigma=0.001702
! 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=2.544 mas, bmaj=3.515 mas, bpa=-8.565 degrees
! Estimated noise=316.742 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 = 0.0276895 Jy
! Component: 100  -  total flux cleaned = 0.0406346 Jy
! Total flux subtracted in 100 components = 0.0406346 Jy
! Clean residual min=-0.010791 max=0.013941 Jy/beam
! Clean residual mean=-0.000083 rms=0.002100 Jy/beam
! Combined flux in latest and established models = 0.873321 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 43 components and 0.873322 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122909Jy  sigma=0.001604
! Fit after  self-cal, rms=0.122773Jy  sigma=0.001603
! Inverting map 
! Added new window around map position (-8, -1.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0126194 Jy
! Component: 100  -  total flux cleaned = 0.0201352 Jy
! Total flux subtracted in 100 components = 0.0201352 Jy
! Clean residual min=-0.010461 max=0.012052 Jy/beam
! Clean residual mean=-0.000123 rms=0.001950 Jy/beam
! Combined flux in latest and established models = 0.893457 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 56 components and 0.893457 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.121694Jy  sigma=0.001582
! Fit after  self-cal, rms=0.121612Jy  sigma=0.001580
! 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 117 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        1.00     GC        1.00*    HN        0.95     
!   KK        0.97     KP        0.92     LA        0.96     MC        1.08     
!   MK        0.95     NL        0.98     NY        0.95     ON        0.98     
!   OV        0.99     PT        1.00     SC        0.93     WF        1.01     
!   WZ        0.96     
! 
!  A total of 60 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        1.02     GC        0.95     HN        1.10     
!   KK        0.98     KP        0.88     LA        0.93     MC        1.08     
!   MK        0.90     NL        0.95     NY        0.96     ON        0.96     
!   OV        1.01     PT        1.01     SC        1.00*    WF        1.02     
!   WZ        1.09     
! 
! 
! Correcting IF 2.
!  A total of 75 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.00     GC        1.00*    HN        0.98     
!   KK        0.98     KP        0.95     LA        0.99     MC        1.30     
!   MK        0.97     NL        1.09     NY        0.96     ON        0.98     
!   OV        0.95     PT        0.95     SC        1.01     WF        0.99     
!   WZ        0.93     
! 
!  A total of 69 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.91     FD        1.01     GC        0.93     HN        1.08     
!   KK        0.97     KP        0.92     LA        0.98     MC        1.01     
!   MK        0.96     NL        1.12     NY        0.98     ON        1.01     
!   OV        0.93     PT        0.92     SC        1.00*    WF        1.06     
!   WZ        1.19     
! 
! 
! Correcting IF 3.
!  A total of 72 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.01     GC        1.00*    HN        1.10     
!   KK        1.02     KP        1.06     LA        0.97     MC        1.29     
!   MK        0.97     NL        1.09     NY        1.01     ON        1.02     
!   OV        1.03     PT        1.02     SC        1.09     WF        1.04     
!   WZ        0.94     
! 
!  A total of 60 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.98     GC        0.96     HN        1.12     
!   KK        0.96     KP        1.10     LA        0.93     MC        1.09     
!   MK        0.93     NL        1.08     NY        1.01     ON        0.98     
!   OV        1.03     PT        1.01     SC        1.00*    WF        1.06     
!   WZ        1.12     
! 
! 
! Correcting IF 4.
!  A total of 75 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.95     GC        1.00*    HN        1.10     
!   KK        1.03     KP        1.05     LA        0.93     MC        1.24     
!   MK        0.97     NL        1.11     NY        1.03     ON        1.05     
!   OV        0.97     PT        1.08     SC        1.13     WF        1.08     
!   WZ        0.95     
! 
!  A total of 63 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.89     GC        0.98     HN        1.12     
!   KK        1.04     KP        1.04     LA        0.87     MC        1.26     
!   MK        0.92     NL        1.12     NY        0.99     ON        1.03     
!   OV        0.95     PT        1.03     SC        1.00*    WF        1.06     
!   WZ        1.14     
! 
! 
! Fit before self-cal, rms=0.121612Jy  sigma=0.001580
! Fit after  self-cal, rms=0.102421Jy  sigma=0.001230
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.546 mas, bmaj=3.551 mas, bpa=-9.164 degrees
! Estimated noise=317.557 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 (-0.4, -8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00214021 Jy
! Component: 100  -  total flux cleaned = 0.00115104 Jy
! Total flux subtracted in 100 components = 0.00115104 Jy
! Clean residual min=-0.002834 max=0.003259 Jy/beam
! Clean residual mean=0.000006 rms=0.000602 Jy/beam
! Combined flux in latest and established models = 0.894608 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 64 components and 0.894608 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102025Jy  sigma=0.001224
! Fit after  self-cal, rms=0.101997Jy  sigma=0.001223
! 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)
! Added new window around map position (73.2, -5.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000922274 Jy
! Component: 100  -  total flux cleaned = 0.000676754 Jy
! Total flux subtracted in 100 components = 0.000676754 Jy
! Clean residual min=-0.002472 max=0.002753 Jy/beam
! Clean residual mean=0.000003 rms=0.000576 Jy/beam
! Combined flux in latest and established models = 0.895285 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 72 components and 0.895284 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101818Jy  sigma=0.001221
! Fit after  self-cal, rms=0.097849Jy  sigma=0.001160
! Inverting map and beam 
! Estimated beam: bmin=2.546 mas, bmaj=3.556 mas, bpa=-8.984 degrees
! Estimated noise=317.529 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 = -0.000942385 Jy
! Component: 100  -  total flux cleaned = -0.000947379 Jy
! Total flux subtracted in 100 components = -0.000947379 Jy
! Clean residual min=-0.002220 max=0.001975 Jy/beam
! Clean residual mean=0.000031 rms=0.000443 Jy/beam
! Combined flux in latest and established models = 0.894337 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 81 components and 0.894337 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097743Jy  sigma=0.001159
! Fit after  self-cal, rms=0.097735Jy  sigma=0.001158
! 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 81 model components to file: 0804+499_S.mod
! wwins: Wrote 5 windows to 0804+499_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.546 x 3.556 at -8.984 degrees (North through East)
! Clean map  min=-0.002357  max=0.74651 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=2.546 mas, bmaj=3.556 mas, bpa=-8.984 degrees
! Estimated noise=317.529 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.546 x 3.556 at -8.984 degrees (North through East)
! Clean map  min=-0.002357  max=0.74651 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0804+499_S.log closed on Thu Jan 17 10:29:27 2008