! Started logfile: 1424-418_S.log on Thu Jul 26 22:44:32 2007
observe 1424-418_S.edt
! Reading UV FITS file: 1424-418_S.edt
! AN table 1: 7 integrations on 171 of 171 possible baselines.
! AN table 2: 5 integrations on 171 of 171 possible baselines.
! AN table 3: 13 integrations on 171 of 171 possible baselines.
! AN table 4: 22 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0525072 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1424-418
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1332 lines of history.
! 
! Reading 1688 visibilities.
![@gonzo5-0.4 1424-418_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 = 5.0
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 105 telescope corrections were flagged in sub-array 1.
!  A total of 95 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
!  A total of 371 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 108 telescope corrections were flagged in sub-array 1.
!  A total of 95 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
!  A total of 370 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 105 telescope corrections were flagged in sub-array 1.
!  A total of 95 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
!  A total of 370 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 115 telescope corrections were flagged in sub-array 1.
!  A total of 95 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
!  A total of 379 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.345801Jy  sigma=0.003954
! Fit after  self-cal, rms=0.339200Jy  sigma=0.003886
! 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=2.988 mas, bmaj=19.88 mas, bpa=-1.884 degrees
! Estimated noise=5069.61 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 = 0.53148 Jy
! Total flux subtracted in 50 components = 0.53148 Jy
! Clean residual min=-0.071622 max=0.181675 Jy/beam
! Clean residual mean=0.003468 rms=0.033347 Jy/beam
! Combined flux in latest and established models = 0.53148 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 14 components and 0.53148 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.458300Jy  sigma=0.005406
! Fit after  self-cal, rms=0.458171Jy  sigma=0.005404
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.19659 Jy
! Total flux subtracted in 50 components = 0.19659 Jy
! Clean residual min=-0.059598 max=0.102186 Jy/beam
! Clean residual mean=0.002704 rms=0.022801 Jy/beam
! Combined flux in latest and established models = 0.72807 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 36 model components to the UV plane model.
! The established model now contains 48 components and 0.72807 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.322672Jy  sigma=0.003787
! Fit after  self-cal, rms=0.322252Jy  sigma=0.003782
! 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=4.675 mas, bmaj=26.22 mas, bpa=-0.8163 degrees
! Estimated noise=3062.09 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 = 0.196125 Jy
! Component: 100  -  total flux cleaned = 0.292159 Jy
! Total flux subtracted in 100 components = 0.292159 Jy
! Clean residual min=-0.060691 max=0.102814 Jy/beam
! Clean residual mean=0.002303 rms=0.027402 Jy/beam
! Combined flux in latest and established models = 1.02023 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 69 model components to the UV plane model.
! The established model now contains 113 components and 1.02023 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.196806Jy  sigma=0.002279
! Fit after  self-cal, rms=0.196576Jy  sigma=0.002276
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.98     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.39     LA        0.94     MA        1.00*    
!   MK        1.00*    NL        1.16     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        0.94     SC        1.16     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.10     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.88     LA        0.85     MA        1.00*    
!   MK        1.11     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.22     PT        0.89     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.93     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.48     LA        0.88     MA        1.00*    
!   MK        1.00*    NL        1.33     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        0.95     SC        1.06     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        1.00     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.00     LA        0.85     MA        1.00*    
!   MK        1.09     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.32     PT        0.88     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.94     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.39     LA        0.83     MA        1.00*    
!   MK        1.00*    NL        1.36     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        0.95     SC        1.25     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        0.97     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.96     LA        0.81     MA        1.00*    
!   MK        1.07     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.25     PT        0.92     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.92     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.36     LA        0.67     MA        1.00*    
!   MK        1.00*    NL        1.18     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        0.89     SC        1.62     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        1.00*    FD        0.89     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.98     LA        0.90     MA        1.00*    
!   MK        0.97     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.01     PT        0.86     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.196576Jy  sigma=0.002276
! Fit after  self-cal, rms=0.130023Jy  sigma=0.001425
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.711 mas, bmaj=26.98 mas, bpa=-1.223 degrees
! Estimated noise=3047.21 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 = -0.00348191 Jy
! Component: 100  -  total flux cleaned = -0.00391493 Jy
! Total flux subtracted in 100 components = -0.00391493 Jy
! Clean residual min=-0.035096 max=0.039753 Jy/beam
! Clean residual mean=-0.000317 rms=0.011667 Jy/beam
! Combined flux in latest and established models = 1.01631 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 120 components and 1.01631 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129533Jy  sigma=0.001417
! Fit after  self-cal, rms=0.130002Jy  sigma=0.001414
! 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 (21.2, 20.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.030539 Jy
! Component: 100  -  total flux cleaned = 0.0313476 Jy
! Total flux subtracted in 100 components = 0.0313476 Jy
! Clean residual min=-0.028525 max=0.022829 Jy/beam
! Clean residual mean=-0.000661 rms=0.008623 Jy/beam
! Combined flux in latest and established models = 1.04766 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 150 components and 1.04766 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122156Jy  sigma=0.001306
! Fit after  self-cal, rms=0.105584Jy  sigma=0.001152
! Inverting map and beam 
! Estimated beam: bmin=4.695 mas, bmaj=26.73 mas, bpa=-1.255 degrees
! Estimated noise=3025.85 mJy/beam.
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0224448 Jy
! Component: 100  -  total flux cleaned = 0.0243254 Jy
! Total flux subtracted in 100 components = 0.0243254 Jy
! Clean residual min=-0.020965 max=0.017318 Jy/beam
! Clean residual mean=-0.000273 rms=0.005699 Jy/beam
! Combined flux in latest and established models = 1.07199 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 180 components and 1.07199 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101472Jy  sigma=0.001096
! Fit after  self-cal, rms=0.095340Jy  sigma=0.001057
! Inverting map and beam 
! Estimated beam: bmin=4.697 mas, bmaj=26.65 mas, bpa=-1.262 degrees
! Estimated noise=3012.63 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 = 0.0154781 Jy
! Component: 100  -  total flux cleaned = 0.0153125 Jy
! Total flux subtracted in 100 components = 0.0153125 Jy
! Clean residual min=-0.019515 max=0.014524 Jy/beam
! Clean residual mean=-0.000162 rms=0.005059 Jy/beam
! Combined flux in latest and established models = 1.0873 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 208 components and 1.0873 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093121Jy  sigma=0.001027
! Fit after  self-cal, rms=0.092074Jy  sigma=0.001019
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1424-418_S
! Writing UV FITS file: 1424-418_S.uvf
! Writing 208 model components to file: 1424-418_S.mod
! wwins: Wrote 2 windows to 1424-418_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.697 x 26.65 at -1.262 degrees (North through East)
! Clean map  min=-0.019429  max=0.77116 Jy/beam
! Writing clean map to FITS file: 1424-418_S.fits
! Writing difmap environment to: 1424-418_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1424-418_S]
device 1424-418_Suv.ps/vps,1,2
! Attempting to open device: '1424-418_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1424-418_Sim.ps/vps
! Attempting to open device: '1424-418_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=4.697 mas, bmaj=26.65 mas, bpa=-1.262 degrees
! Estimated noise=3012.63 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.697 x 26.65 at -1.262 degrees (North through East)
! Clean map  min=-0.019429  max=0.77116 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 1424-418_S.log closed on Thu Jul 26 22:44:44 2007