! Started logfile: 1908-201_S.log on Fri Aug 19 12:19:18 2005
observe 1908-201_S.edt
! Reading UV FITS file: 1908-201_S.edt
! AN table 1: 36 integrations on 171 of 171 possible baselines.
! AN table 2: 60 integrations on 171 of 171 possible baselines.
! AN table 3: 13 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.161275 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1908-201
! 
! 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 12024 visibilities.
![@gonzo7-0.4 1908-201_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 574 telescope corrections were flagged in sub-array 1.
!  A total of 787 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 574 telescope corrections were flagged in sub-array 1.
!  A total of 787 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 587 telescope corrections were flagged in sub-array 1.
!  A total of 792 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 574 telescope corrections were flagged in sub-array 1.
!  A total of 787 telescope corrections were flagged in sub-array 2.
!  A total of 247 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.675688Jy  sigma=0.025207
! Fit after  self-cal, rms=1.675794Jy  sigma=0.025208
! 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=2.302 mas, bmaj=4.854 mas, bpa=15.56 degrees
! Estimated noise=1167.19 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 = 1.67434 Jy
! Total flux subtracted in 50 components = 1.67434 Jy
! Clean residual min=-0.121543 max=0.565426 Jy/beam
! Clean residual mean=-0.000228 rms=0.042449 Jy/beam
! Combined flux in latest and established models = 1.67434 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 13 components and 1.67434 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.114729Jy  sigma=0.016911
! Fit after  self-cal, rms=1.114639Jy  sigma=0.016910
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.603557 Jy
! Total flux subtracted in 50 components = 0.603557 Jy
! Clean residual min=-0.071966 max=0.275067 Jy/beam
! Clean residual mean=-0.000108 rms=0.024563 Jy/beam
! Combined flux in latest and established models = 2.2779 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 21 components and 2.2779 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.675841Jy  sigma=0.010332
! Fit after  self-cal, rms=0.675606Jy  sigma=0.010330
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.310221 Jy
! Total flux subtracted in 50 components = 0.310221 Jy
! Clean residual min=-0.048543 max=0.164797 Jy/beam
! Clean residual mean=-0.000051 rms=0.016817 Jy/beam
! Combined flux in latest and established models = 2.58812 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 40 components and 2.58812 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.478177Jy  sigma=0.007311
! Fit after  self-cal, rms=0.478131Jy  sigma=0.007310
! Inverting map 
! Added new window around map position (3.2, 1.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.190487 Jy
! Total flux subtracted in 50 components = 0.190487 Jy
! Clean residual min=-0.037465 max=0.110989 Jy/beam
! Clean residual mean=-0.000021 rms=0.012873 Jy/beam
! Combined flux in latest and established models = 2.77861 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 55 components and 2.77861 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.373225Jy  sigma=0.005679
! Fit after  self-cal, rms=0.372766Jy  sigma=0.005674
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.124453 Jy
! Total flux subtracted in 50 components = 0.124453 Jy
! Clean residual min=-0.034959 max=0.083700 Jy/beam
! Clean residual mean=-0.000002 rms=0.010662 Jy/beam
! Combined flux in latest and established models = 2.90306 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 62 components and 2.90306 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.314581Jy  sigma=0.004749
! Fit after  self-cal, rms=0.314281Jy  sigma=0.004746
! Inverting map 
! Added new window around map position (-2.8, -6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0890664 Jy
! Total flux subtracted in 50 components = 0.0890664 Jy
! Clean residual min=-0.031734 max=0.050863 Jy/beam
! Clean residual mean=0.000011 rms=0.009250 Jy/beam
! Combined flux in latest and established models = 2.99213 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 76 components and 2.99213 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.281874Jy  sigma=0.004216
! Fit after  self-cal, rms=0.281829Jy  sigma=0.004215
! 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=3.464 mas, bmaj=7.025 mas, bpa=5.142 degrees
! Estimated noise=608.742 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 = 0.120426 Jy
! Component: 100  -  total flux cleaned = 0.18211 Jy
! Total flux subtracted in 100 components = 0.18211 Jy
! Clean residual min=-0.030617 max=0.032402 Jy/beam
! Clean residual mean=0.000108 rms=0.009874 Jy/beam
! Combined flux in latest and established models = 3.17424 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 50 model components to the UV plane model.
! The established model now contains 116 components and 3.17424 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.237941Jy  sigma=0.003479
! Fit after  self-cal, rms=0.237345Jy  sigma=0.003472
! 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        1.03     FD        1.02     GC        1.00*    HH        1.16     
!   HN        0.98     KK        1.00*    KP        1.04     LA        1.00     
!   MC        1.00*    MK        1.21     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        1.01     SC        0.94     
!   TS        1.00*    WF        1.01     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.03     LA        1.00     
!   MC        1.00*    MK        1.07     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        0.99     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   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*    
! 
! 
! Correcting IF 2.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.01     GC        1.00*    HH        1.12     
!   HN        0.99     KK        1.00*    KP        1.00     LA        1.03     
!   MC        1.00*    MK        1.17     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        1.01     SC        1.02     
!   TS        1.00*    WF        1.00     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.00     LA        1.00     
!   MC        1.00*    MK        1.09     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.96     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   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*    
! 
! 
! Correcting IF 3.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.03     GC        1.00*    HH        0.86     
!   HN        0.98     KK        1.00*    KP        1.04     LA        1.19     
!   MC        1.00*    MK        1.07     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        1.00     SC        1.08     
!   TS        1.00*    WF        1.01     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.91     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.01     LA        1.13     
!   MC        1.00*    MK        0.97     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        1.04     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   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*    
! 
! 
! Correcting IF 4.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.01     GC        1.00*    HH        0.85     
!   HN        0.98     KK        1.00*    KP        1.00     LA        1.01     
!   MC        1.00*    MK        1.08     NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.00     SC        1.11     
!   TS        1.00*    WF        1.01     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.90     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        1.01     LA        1.00     
!   MC        1.00*    MK        0.93     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.80     PT        0.99     SC        1.04     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   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*    
! 
! 
! Fit before self-cal, rms=0.237345Jy  sigma=0.003472
! Fit after  self-cal, rms=0.113766Jy  sigma=0.001550
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.505 mas, bmaj=7.212 mas, bpa=4.263 degrees
! Estimated noise=604.856 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 (18, 13.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0117414 Jy
! Component: 100  -  total flux cleaned = 0.0170044 Jy
! Total flux subtracted in 100 components = 0.0170044 Jy
! Clean residual min=-0.009914 max=0.011684 Jy/beam
! Clean residual mean=-0.000040 rms=0.002312 Jy/beam
! Combined flux in latest and established models = 3.19124 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 131 components and 3.19124 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111001Jy  sigma=0.001505
! Fit after  self-cal, rms=0.110797Jy  sigma=0.001502
! 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 (6.8, 1.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00657414 Jy
! Component: 100  -  total flux cleaned = 0.00791862 Jy
! Total flux subtracted in 100 components = 0.00791862 Jy
! Clean residual min=-0.008863 max=0.008819 Jy/beam
! Clean residual mean=-0.000051 rms=0.002018 Jy/beam
! Combined flux in latest and established models = 3.19916 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 146 components and 3.19916 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109187Jy  sigma=0.001479
! Fit after  self-cal, rms=0.101757Jy  sigma=0.001372
! Inverting map and beam 
! Estimated beam: bmin=3.501 mas, bmaj=7.213 mas, bpa=4.234 degrees
! Estimated noise=604.489 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 = 0.00275378 Jy
! Component: 100  -  total flux cleaned = 0.00611467 Jy
! Total flux subtracted in 100 components = 0.00611467 Jy
! Clean residual min=-0.006500 max=0.007168 Jy/beam
! Clean residual mean=-0.000062 rms=0.001490 Jy/beam
! Combined flux in latest and established models = 3.20528 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 164 components and 3.20528 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100892Jy  sigma=0.001358
! Fit after  self-cal, rms=0.100778Jy  sigma=0.001357
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1908-201_S
! Writing UV FITS file: 1908-201_S.uvf
! Writing 164 model components to file: 1908-201_S.mod
! wwins: Wrote 5 windows to 1908-201_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.501 x 7.213 at 4.234 degrees (North through East)
! Clean map  min=-0.010704  max=2.3589 Jy/beam
! Writing clean map to FITS file: 1908-201_S.fits
! Writing difmap environment to: 1908-201_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1908-201_S]
device 1908-201_Suv.ps/vps,1,2
! Attempting to open device: '1908-201_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1908-201_Sim.ps/vps
! Attempting to open device: '1908-201_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=3.501 mas, bmaj=7.213 mas, bpa=4.234 degrees
! Estimated noise=604.489 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.501 x 7.213 at 4.234 degrees (North through East)
! Clean map  min=-0.010704  max=2.3589 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1908-201_S.log closed on Fri Aug 19 12:20:14 2005