! Started logfile: 1124-186_X.log on Sun Apr 21 01:39:38 2002
observe 1124-186_X.edt
! Reading UV FITS file: 1124-186_X.edt
! AN table 1: 39 integrations on 171 of 171 possible baselines.
! AN table 2: 93 integrations on 171 of 171 possible baselines.
! AN table 3: 15 integrations on 171 of 171 possible baselines.
! AN table 4: 10 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.074459 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1124-186
! 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  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 1606 lines of history.
! 
! Reading 7996 visibilities.
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 514 telescope corrections were flagged in sub-array 1.
!  A total of 1559 telescope corrections were flagged in sub-array 2.
!  A total of 285 telescope corrections were flagged in sub-array 3.
!  A total of 143 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 514 telescope corrections were flagged in sub-array 1.
!  A total of 1562 telescope corrections were flagged in sub-array 2.
!  A total of 285 telescope corrections were flagged in sub-array 3.
!  A total of 143 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 519 telescope corrections were flagged in sub-array 1.
!  A total of 1562 telescope corrections were flagged in sub-array 2.
!  A total of 285 telescope corrections were flagged in sub-array 3.
!  A total of 143 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 518 telescope corrections were flagged in sub-array 1.
!  A total of 1566 telescope corrections were flagged in sub-array 2.
!  A total of 285 telescope corrections were flagged in sub-array 3.
!  A total of 143 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.280942Jy  sigma=1.971730
! Fit after  self-cal, rms=0.279153Jy  sigma=1.959230
! 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=0.5651 mas, bmaj=2.17 mas, bpa=-1.279 degrees
! Estimated noise=2.18699 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 = 0.59171 Jy
! Total flux subtracted in 50 components = 0.59171 Jy
! Clean residual min=-0.029663 max=0.165040 Jy/beam
! Clean residual mean=0.000942 rms=0.010777 Jy/beam
! Combined flux in latest and established models = 0.59171 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 0.59171 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.238945Jy  sigma=1.670664
! Fit after  self-cal, rms=0.238945Jy  sigma=1.670662
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.142266 Jy
! Total flux subtracted in 50 components = 0.142266 Jy
! Clean residual min=-0.018767 max=0.056657 Jy/beam
! Clean residual mean=0.000445 rms=0.005561 Jy/beam
! Combined flux in latest and established models = 0.733976 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 11 components and 0.733976 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158257Jy  sigma=1.100558
! Fit after  self-cal, rms=0.158208Jy  sigma=1.100185
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0610525 Jy
! Total flux subtracted in 50 components = 0.0610525 Jy
! Clean residual min=-0.017472 max=0.028186 Jy/beam
! Clean residual mean=0.000233 rms=0.003980 Jy/beam
! Combined flux in latest and established models = 0.795029 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 20 components and 0.795029 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.140406Jy  sigma=0.972806
! Fit after  self-cal, rms=0.140369Jy  sigma=0.972524
! 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=0.7005 mas, bmaj=2.416 mas, bpa=-2.842 degrees
! Estimated noise=1.39485 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 = 0.0301027 Jy
! Component: 100  -  total flux cleaned = 0.0449737 Jy
! Total flux subtracted in 100 components = 0.0449737 Jy
! Clean residual min=-0.027434 max=0.018348 Jy/beam
! Clean residual mean=0.000973 rms=0.006384 Jy/beam
! Combined flux in latest and established models = 0.840003 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 30 components and 0.840003 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134750Jy  sigma=0.931697
! Fit after  self-cal, rms=0.134684Jy  sigma=0.931208
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        1.00*    GG        1.00*    
!   HN        0.88     KP        0.99     LA        0.99     MC        1.00*    
!   MK        0.99     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.97     SC        1.01     TS        1.00*    
!   WF        1.03     KK        0.95     WZ        1.00*    
! 
!  A total of 75 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        1.03     KP        1.00*    LA        1.00*    MC        1.16     
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.12     
!   OV        1.00*    PT        1.00*    SC        1.02     TS        1.00*    
!   WF        0.99     KK        1.00*    WZ        1.07     
! 
!  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*    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*    KK        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        0.99     FD        0.98     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.04     LA        0.97     MC        1.00*    
!   MK        0.97     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.94     PT        1.00     SC        1.00*    TS        1.05     
!   WF        1.00*    KK        0.95     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.96     GC        1.00*    GG        1.00*    
!   HN        0.87     KP        1.00     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        1.04     KK        0.95     WZ        1.00*    
! 
!  A total of 72 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        1.02     KP        1.00*    LA        1.00*    MC        1.19     
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.17     
!   OV        1.00*    PT        1.00*    SC        1.06     TS        1.00*    
!   WF        1.00     KK        1.00*    WZ        1.07     
! 
!  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*    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*    KK        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        1.01     FD        0.94     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.02     LA        0.98     MC        1.00*    
!   MK        0.95     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.96     PT        0.97     SC        1.00*    TS        1.04     
!   WF        1.00*    KK        0.95     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.98     GC        1.00*    GG        1.00*    
!   HN        0.87     KP        1.00     LA        0.98     MC        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.01     TS        1.00*    
!   WF        1.04     KK        0.97     WZ        1.00*    
! 
!  A total of 72 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        1.04     KP        1.00*    LA        1.00*    MC        1.16     
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.07     
!   OV        1.00*    PT        1.00*    SC        1.05     TS        1.00*    
!   WF        0.99     KK        1.00*    WZ        1.05     
! 
!  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*    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*    KK        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        0.95     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.07     LA        1.00     MC        1.00*    
!   MK        0.96     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.94     PT        0.98     SC        1.00*    TS        1.05     
!   WF        1.00*    KK        0.93     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        0.99     FD        0.99     GC        1.00*    GG        1.00*    
!   HN        0.86     KP        0.98     LA        1.00     MC        1.00*    
!   MK        1.01     NL        1.01     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        1.00     SC        1.01     TS        1.00*    
!   WF        1.03     KK        0.93     WZ        1.00*    
! 
!  A total of 75 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        0.99     KP        1.00*    LA        1.00*    MC        1.19     
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.04     
!   OV        1.00*    PT        1.00*    SC        1.08     TS        1.00*    
!   WF        0.91     KK        1.00*    WZ        1.09     
! 
!  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*    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*    KK        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        0.98     FD        1.01     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.05     LA        0.99     MC        1.00*    
!   MK        0.97     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.94     PT        0.98     SC        1.00*    TS        1.03     
!   WF        1.00*    KK        0.91     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.134684Jy  sigma=0.931208
! Fit after  self-cal, rms=0.110994Jy  sigma=0.756619
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7062 mas, bmaj=2.371 mas, bpa=-2.706 degrees
! Estimated noise=1.42639 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 = 0.000394238 Jy
! Component: 100  -  total flux cleaned = 0.000688075 Jy
! Total flux subtracted in 100 components = 0.000688075 Jy
! Clean residual min=-0.006787 max=0.005709 Jy/beam
! Clean residual mean=-0.000282 rms=0.001466 Jy/beam
! Combined flux in latest and established models = 0.840691 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 39 components and 0.840691 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110703Jy  sigma=0.754624
! Fit after  self-cal, rms=0.110723Jy  sigma=0.754461
! 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 = 0.000199903 Jy
! Component: 100  -  total flux cleaned = 0.000313746 Jy
! Total flux subtracted in 100 components = 0.000313746 Jy
! Clean residual min=-0.006326 max=0.005639 Jy/beam
! Clean residual mean=-0.000291 rms=0.001421 Jy/beam
! Combined flux in latest and established models = 0.841005 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 43 components and 0.841005 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110606Jy  sigma=0.753636
! Fit after  self-cal, rms=0.108096Jy  sigma=0.730562
! Inverting map and beam 
! Estimated beam: bmin=0.7068 mas, bmaj=2.374 mas, bpa=-2.755 degrees
! Estimated noise=1.42627 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 = 0.00104876 Jy
! Component: 100  -  total flux cleaned = 0.00163558 Jy
! Total flux subtracted in 100 components = 0.00163558 Jy
! Clean residual min=-0.004098 max=0.003402 Jy/beam
! Clean residual mean=-0.000286 rms=0.000998 Jy/beam
! Combined flux in latest and established models = 0.84264 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 48 components and 0.84264 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107984Jy  sigma=0.729716
! Fit after  self-cal, rms=0.107981Jy  sigma=0.729619
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1124-186_X
! Writing UV FITS file: 1124-186_X.uvf
! Writing 48 model components to file: 1124-186_X.mod
! wwins: Wrote 1 windows to 1124-186_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7068 x 2.374 at -2.755 degrees (North through East)
! Clean map  min=-0.0039996  max=0.75939 Jy/beam
! Writing clean map to FITS file: 1124-186_X.fits
! Writing difmap environment to: 1124-186_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
device 1124-186_Xuv.ps/vps,1,2
! Attempting to open device: '1124-186_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1124-186_Xim.ps/vps
! Attempting to open device: '1124-186_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=0.7068 mas, bmaj=2.374 mas, bpa=-2.755 degrees
! Estimated noise=1.42627 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7068 x 2.374 at -2.755 degrees (North through East)
! Clean map  min=-0.0039996  max=0.75939 Jy/beam
quit
! Quitting program
! Log file 1124-186_X.log closed on Sun Apr 21 01:40:10 2002