! Started logfile: 0804+499_X.log on Tue Jul 19 17:09:12 2005
observe 0804+499_X.edt
! Reading UV FITS file: 0804+499_X.edt
! AN table 1: 89 integrations on 171 of 171 possible baselines.
! AN table 2: 13 integrations on 171 of 171 possible baselines.
! AN table 3: 51 integrations on 171 of 171 possible baselines.
! AN table 4: 15 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.167154 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 1818 lines of history.
! 
! Reading 19208 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 1283 telescope corrections were flagged in sub-array 1.
!  A total of 186 telescope corrections were flagged in sub-array 2.
!  A total of 871 telescope corrections were flagged in sub-array 3.
!  A total of 184 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 1277 telescope corrections were flagged in sub-array 1.
!  A total of 186 telescope corrections were flagged in sub-array 2.
!  A total of 871 telescope corrections were flagged in sub-array 3.
!  A total of 184 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 1268 telescope corrections were flagged in sub-array 1.
!  A total of 186 telescope corrections were flagged in sub-array 2.
!  A total of 871 telescope corrections were flagged in sub-array 3.
!  A total of 184 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 1283 telescope corrections were flagged in sub-array 1.
!  A total of 186 telescope corrections were flagged in sub-array 2.
!  A total of 871 telescope corrections were flagged in sub-array 3.
!  A total of 184 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.427343Jy  sigma=0.005955
! Fit after  self-cal, rms=0.426177Jy  sigma=0.005981
! 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=0.5371 mas, bmaj=0.9802 mas, bpa=29.63 degrees
! Estimated noise=875.446 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 = 0.460589 Jy
! Total flux subtracted in 50 components = 0.460589 Jy
! Clean residual min=-0.020115 max=0.128484 Jy/beam
! Clean residual mean=0.000238 rms=0.006314 Jy/beam
! Combined flux in latest and established models = 0.460589 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 0.460589 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.187936Jy  sigma=0.002890
! Fit after  self-cal, rms=0.187936Jy  sigma=0.002890
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.109128 Jy
! Total flux subtracted in 50 components = 0.109128 Jy
! Clean residual min=-0.010230 max=0.042680 Jy/beam
! Clean residual mean=0.000135 rms=0.003395 Jy/beam
! Combined flux in latest and established models = 0.569716 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 7 components and 0.569716 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129691Jy  sigma=0.001835
! Fit after  self-cal, rms=0.129651Jy  sigma=0.001835
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0451854 Jy
! Total flux subtracted in 50 components = 0.0451854 Jy
! Clean residual min=-0.008478 max=0.023973 Jy/beam
! Clean residual mean=0.000093 rms=0.002606 Jy/beam
! Combined flux in latest and established models = 0.614902 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 0.614901 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117300Jy  sigma=0.001546
! Fit after  self-cal, rms=0.117186Jy  sigma=0.001545
! Inverting map 
! Added new window around map position (1, -0.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0277637 Jy
! Total flux subtracted in 50 components = 0.0277637 Jy
! Clean residual min=-0.008319 max=0.014880 Jy/beam
! Clean residual mean=0.000066 rms=0.002242 Jy/beam
! Combined flux in latest and established models = 0.642665 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 17 components and 0.642665 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112113Jy  sigma=0.001419
! Fit after  self-cal, rms=0.111968Jy  sigma=0.001417
! 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=0.621 mas, bmaj=1.164 mas, bpa=26.26 degrees
! Estimated noise=497.405 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 = 0.0271623 Jy
! Component: 100  -  total flux cleaned = 0.0438828 Jy
! Total flux subtracted in 100 components = 0.0438828 Jy
! Clean residual min=-0.007266 max=0.014062 Jy/beam
! Clean residual mean=0.000073 rms=0.001861 Jy/beam
! Combined flux in latest and established models = 0.686548 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 42 components and 0.686548 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106763Jy  sigma=0.001290
! Fit after  self-cal, rms=0.106474Jy  sigma=0.001286
! 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 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.97     GC        0.99     HH        1.00*    
!   HN        1.11     KK        1.00*    KP        0.98     LA        1.01     
!   MC        1.07     MK        0.99     NL        1.01     NY        0.89     
!   ON        0.91     OV        0.97     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.10     WZ        1.14     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.00     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.96     LA        0.94     
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.99     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.98     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.97     GC        1.01     HH        1.00*    
!   HN        1.12     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.09     MK        0.98     NL        1.00     NY        0.93     
!   ON        0.93     OV        0.98     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.09     WZ        1.15     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        0.96     LA        0.98     
!   MC        1.00*    MK        1.01     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.97     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        0.92     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        0.96     LA        0.96     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.99     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! 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        0.96     GC        0.99     HH        1.00*    
!   HN        1.12     KK        1.00*    KP        0.98     LA        0.99     
!   MC        1.05     MK        0.96     NL        1.01     NY        0.92     
!   ON        0.95     OV        0.97     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.04     WZ        1.13     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.93     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.97     LA        0.97     
!   MC        1.00*    MK        0.96     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.97     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        0.95     LA        0.93     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.99     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.08     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 24 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.96     GC        1.00     HH        1.00*    
!   HN        1.12     KK        1.00*    KP        0.97     LA        0.99     
!   MC        1.09     MK        0.99     NL        0.99     NY        0.94     
!   ON        0.91     OV        0.97     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.06     WZ        1.12     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.96     LA        0.96     
!   MC        1.00*    MK        0.97     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        0.94     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.96     LA        0.94     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.02     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.98     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.05     KK        1.00*    KP        0.98     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.99     SC        1.07     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.106474Jy  sigma=0.001286
! Fit after  self-cal, rms=0.100155Jy  sigma=0.001170
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6295 mas, bmaj=1.17 mas, bpa=26.36 degrees
! Estimated noise=494.242 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 = 0.00276585 Jy
! Component: 100  -  total flux cleaned = 0.00359266 Jy
! Total flux subtracted in 100 components = 0.00359266 Jy
! Clean residual min=-0.003073 max=0.004490 Jy/beam
! Clean residual mean=0.000182 rms=0.000830 Jy/beam
! Combined flux in latest and established models = 0.690141 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 56 components and 0.69014 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099815Jy  sigma=0.001165
! Fit after  self-cal, rms=0.099801Jy  sigma=0.001164
! 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 = 0.000504675 Jy
! Component: 100  -  total flux cleaned = 0.00101597 Jy
! Total flux subtracted in 100 components = 0.00101597 Jy
! Clean residual min=-0.002963 max=0.004302 Jy/beam
! Clean residual mean=0.000179 rms=0.000814 Jy/beam
! Combined flux in latest and established models = 0.691156 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 58 components and 0.691157 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099672Jy  sigma=0.001162
! Fit after  self-cal, rms=0.098253Jy  sigma=0.001140
! Inverting map and beam 
! Estimated beam: bmin=0.6297 mas, bmaj=1.173 mas, bpa=26.34 degrees
! Estimated noise=494.709 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 = 0.00289282 Jy
! Component: 100  -  total flux cleaned = 0.00342937 Jy
! Total flux subtracted in 100 components = 0.00342937 Jy
! Clean residual min=-0.002487 max=0.003710 Jy/beam
! Clean residual mean=0.000183 rms=0.000718 Jy/beam
! Combined flux in latest and established models = 0.694586 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 66 components and 0.694586 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098128Jy  sigma=0.001138
! Fit after  self-cal, rms=0.098115Jy  sigma=0.001137
! 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 66 model components to file: 0804+499_X.mod
! wwins: Wrote 2 windows to 0804+499_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6297 x 1.173 at 26.34 degrees (North through East)
! Clean map  min=-0.0023277  max=0.58674 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=0.6297 mas, bmaj=1.173 mas, bpa=26.34 degrees
! Estimated noise=494.709 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6297 x 1.173 at 26.34 degrees (North through East)
! Clean map  min=-0.0023277  max=0.58674 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0804+499_X.log closed on Tue Jul 19 17:10:10 2005