! Started logfile: 1806+456_S.log on Fri Aug 19 12:06:10 2005
observe 1806+456_S.edt
! Reading UV FITS file: 1806+456_S.edt
! AN table 1: 27 integrations on 171 of 171 possible baselines.
! AN table 2: 25 integrations on 171 of 171 possible baselines.
! AN table 3: 61 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.123169 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1806+456
! 
! 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 1569 lines of history.
! 
! Reading 9520 visibilities.
![@gonzo7-0.4 1806+456_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 494 telescope corrections were flagged in sub-array 1.
!  A total of 347 telescope corrections were flagged in sub-array 2.
!  A total of 815 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 504 telescope corrections were flagged in sub-array 1.
!  A total of 344 telescope corrections were flagged in sub-array 2.
!  A total of 819 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 497 telescope corrections were flagged in sub-array 1.
!  A total of 352 telescope corrections were flagged in sub-array 2.
!  A total of 822 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 507 telescope corrections were flagged in sub-array 1.
!  A total of 363 telescope corrections were flagged in sub-array 2.
!  A total of 819 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.797929Jy  sigma=0.012373
! Fit after  self-cal, rms=0.797502Jy  sigma=0.012331
! 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=3.824 mas, bmaj=4.389 mas, bpa=14.32 degrees
! Estimated noise=1285.26 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 = 0.156544 Jy
! Total flux subtracted in 50 components = 0.156544 Jy
! Clean residual min=-0.011211 max=0.043663 Jy/beam
! Clean residual mean=0.000152 rms=0.003516 Jy/beam
! Combined flux in latest and established models = 0.156544 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 0.156544 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088314Jy  sigma=0.001314
! Fit after  self-cal, rms=0.088314Jy  sigma=0.001314
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0342322 Jy
! Total flux subtracted in 50 components = 0.0342322 Jy
! Clean residual min=-0.007018 max=0.010315 Jy/beam
! Clean residual mean=0.000076 rms=0.001878 Jy/beam
! Combined flux in latest and established models = 0.190776 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 0.190776 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.074759Jy  sigma=0.001101
! Fit after  self-cal, rms=0.074757Jy  sigma=0.001101
! 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=5.347 mas, bmaj=6.067 mas, bpa=89.07 degrees
! Estimated noise=660.087 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 = 0.0158055 Jy
! Component: 100  -  total flux cleaned = 0.0223237 Jy
! Total flux subtracted in 100 components = 0.0223237 Jy
! Clean residual min=-0.003528 max=0.004248 Jy/beam
! Clean residual mean=0.000180 rms=0.001125 Jy/beam
! Combined flux in latest and established models = 0.2131 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 34 components and 0.2131 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.071808Jy  sigma=0.001057
! Fit after  self-cal, rms=0.071744Jy  sigma=0.001056
! 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 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.30     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.95     MK        1.00*    NL        1.00*    NY        1.24     
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        0.92     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        0.97     LA        0.98     
!   MC        1.00*    MK        1.02     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.96     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.99     SC        0.98     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.05     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        0.98     LA        0.94     
!   MC        1.00*    MK        1.05     NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.02     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.01     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.08     KK        1.00*    KP        0.96     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.01     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 3.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        0.80     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MC        0.79     MK        1.00*    NL        1.00*    NY        0.92     
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        0.96     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.10     KK        1.00*    KP        0.95     LA        0.91     
!   MC        1.00*    MK        1.03     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.04     PT        0.92     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.95     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.99     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.99     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.03     LA        1.08     
!   MC        1.00*    MK        0.72     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.85     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.96     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.01     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.86     PT        1.01     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.071744Jy  sigma=0.001056
! Fit after  self-cal, rms=0.069537Jy  sigma=0.001040
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=5.462 mas, bmaj=6.095 mas, bpa=89.99 degrees
! Estimated noise=654.313 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 = 0.000150836 Jy
! Component: 100  -  total flux cleaned = 0.000235067 Jy
! Total flux subtracted in 100 components = 0.000235067 Jy
! Clean residual min=-0.003115 max=0.003894 Jy/beam
! Clean residual mean=0.000109 rms=0.000837 Jy/beam
! Combined flux in latest and established models = 0.213335 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 39 components and 0.213335 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069490Jy  sigma=0.001040
! Fit after  self-cal, rms=0.069485Jy  sigma=0.001039
! 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 = 5.29451e-05 Jy
! Component: 100  -  total flux cleaned = 8.31311e-05 Jy
! Total flux subtracted in 100 components = 8.31311e-05 Jy
! Clean residual min=-0.003116 max=0.003793 Jy/beam
! Clean residual mean=0.000108 rms=0.000830 Jy/beam
! Combined flux in latest and established models = 0.213418 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 44 components and 0.213418 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069462Jy  sigma=0.001039
! Fit after  self-cal, rms=0.068966Jy  sigma=0.001022
! Inverting map and beam 
! Estimated beam: bmin=5.457 mas, bmaj=6.102 mas, bpa=-89.59 degrees
! Estimated noise=656.398 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 = 0.000556613 Jy
! Component: 100  -  total flux cleaned = 0.000678269 Jy
! Total flux subtracted in 100 components = 0.000678269 Jy
! Clean residual min=-0.003163 max=0.003730 Jy/beam
! Clean residual mean=0.000104 rms=0.000812 Jy/beam
! Combined flux in latest and established models = 0.214097 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 47 components and 0.214097 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068945Jy  sigma=0.001022
! Fit after  self-cal, rms=0.068941Jy  sigma=0.001022
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1806+456_S
! Writing UV FITS file: 1806+456_S.uvf
! Writing 47 model components to file: 1806+456_S.mod
! wwins: Wrote 1 windows to 1806+456_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 5.457 x 6.102 at -89.59 degrees (North through East)
! Clean map  min=-0.0031075  max=0.20046 Jy/beam
! Writing clean map to FITS file: 1806+456_S.fits
! Writing difmap environment to: 1806+456_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1806+456_S]
device 1806+456_Suv.ps/vps,1,2
! Attempting to open device: '1806+456_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1806+456_Sim.ps/vps
! Attempting to open device: '1806+456_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=5.457 mas, bmaj=6.102 mas, bpa=-89.59 degrees
! Estimated noise=656.398 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 5.457 x 6.102 at -89.59 degrees (North through East)
! Clean map  min=-0.0031075  max=0.20046 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1806+456_S.log closed on Fri Aug 19 12:06:53 2005