! Started logfile: 1510-089_X.log on Mon May  7 13:41:34 2001
observe 1510-089_X.edt
! Reading UV FITS file: 1510-089_X.edt
! AN table 1: 36 integrations on 10 of 10 possible baselines.
! AN table 2: 11 integrations on 45 of 45 possible baselines.
! AN table 3: 57 integrations on 49 of 78 possible baselines.
! Apparent sampling: 0.305373 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1510-089
! 
! 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 1399 lines of history.
! 
! Reading 4456 visibilities.
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
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
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 = 7.0
float win_mult
win_mult = 1.8
float solint
solint = 4.0/6.0
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.
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 14 telescope corrections were flagged in sub-array 1.
!  A total of 17 telescope corrections were flagged in sub-array 2.
!  A total of 592 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 14 telescope corrections were flagged in sub-array 1.
!  A total of 17 telescope corrections were flagged in sub-array 2.
!  A total of 592 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 14 telescope corrections were flagged in sub-array 1.
!  A total of 17 telescope corrections were flagged in sub-array 2.
!  A total of 598 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 14 telescope corrections were flagged in sub-array 1.
!  A total of 17 telescope corrections were flagged in sub-array 2.
!  A total of 603 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.255854Jy  sigma=1.461465
! Fit after  self-cal, rms=0.254833Jy  sigma=1.455816
! 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=0.7916 mas, bmaj=1.825 mas, bpa=-2.349 degrees
! Estimated noise=2.59246 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 = 0.744374 Jy
! Total flux subtracted in 50 components = 0.744374 Jy
! Clean residual min=-0.054494 max=0.207610 Jy/beam
! Clean residual mean=0.000232 rms=0.017241 Jy/beam
! Combined flux in latest and established models = 0.744374 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 0.744374 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.348250Jy  sigma=1.975293
! Fit after  self-cal, rms=0.348250Jy  sigma=1.975294
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.175481 Jy
! Total flux subtracted in 50 components = 0.175481 Jy
! Clean residual min=-0.038077 max=0.121921 Jy/beam
! Clean residual mean=0.000122 rms=0.011841 Jy/beam
! Combined flux in latest and established models = 0.919856 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 10 components and 0.919856 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.256194Jy  sigma=1.456434
! Fit after  self-cal, rms=0.255990Jy  sigma=1.455232
! Inverting map 
! Added new window around map position (-1.5, 3.1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.113519 Jy
! Total flux subtracted in 50 components = 0.113519 Jy
! Clean residual min=-0.028837 max=0.056075 Jy/beam
! Clean residual mean=0.000047 rms=0.008868 Jy/beam
! Combined flux in latest and established models = 1.03337 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 17 components and 1.03337 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.208207Jy  sigma=1.185285
! Fit after  self-cal, rms=0.204738Jy  sigma=1.165004
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0740669 Jy
! Total flux subtracted in 50 components = 0.0740669 Jy
! Clean residual min=-0.022403 max=0.045557 Jy/beam
! Clean residual mean=0.000004 rms=0.006966 Jy/beam
! Combined flux in latest and established models = 1.10744 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 29 components and 1.10744 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.179120Jy  sigma=1.020264
! Fit after  self-cal, rms=0.177852Jy  sigma=1.012856
! 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=0.7728 mas, bmaj=1.957 mas, bpa=-7.558 degrees
! Estimated noise=1.92431 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 = 0.0710539 Jy
! Component: 100  -  total flux cleaned = 0.115504 Jy
! Total flux subtracted in 100 components = 0.115504 Jy
! Clean residual min=-0.025748 max=0.039942 Jy/beam
! Clean residual mean=-0.000049 rms=0.008101 Jy/beam
! Combined flux in latest and established models = 1.22295 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 53 components and 1.22295 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148959Jy  sigma=0.847842
! Fit after  self-cal, rms=0.147215Jy  sigma=0.837748
! 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:
!   HN        0.89     SC        1.00     MC        1.11     ON        1.09     
!   GN        0.92     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.10     FD        0.89     HN        0.89     KP        0.97     
!   LA        0.96     NL        0.96     OV        1.06     PT        1.03     
!   SC        1.01     GN        0.99     
! 
!  A total of 42 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.00     GC        0.97     KP        0.98     
!   LA        1.00     NL        1.03     OV        1.01     PT        1.00     
!   KK        1.00     MC        1.00*    MK        1.00     ON        1.00*    
!   GN        1.03     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   HN        0.92     SC        0.99     MC        1.11     ON        1.13     
!   GN        0.94     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.09     FD        0.90     HN        0.90     KP        0.96     
!   LA        0.96     NL        0.95     OV        1.03     PT        1.00     
!   SC        1.01     GN        1.01     
! 
!  A total of 42 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        0.97     KP        0.97     
!   LA        1.00     NL        1.03     OV        1.02     PT        1.00     
!   KK        0.96     MC        1.00*    MK        1.02     ON        1.00*    
!   GN        1.03     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   HN        0.92     SC        1.01     MC        1.11     ON        1.07     
!   GN        0.91     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.08     FD        0.90     HN        0.89     KP        0.96     
!   LA        0.96     NL        0.97     OV        1.03     PT        1.01     
!   SC        1.00     GN        0.96     
! 
!  A total of 36 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        0.98     GC        0.99     KP        0.97     
!   LA        1.00     NL        1.02     OV        1.00     PT        0.97     
!   KK        0.96     MC        1.00*    MK        1.00     ON        1.00*    
!   GN        1.01     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   HN        0.91     SC        1.03     MC        1.10     ON        1.05     
!   GN        0.93     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.09     FD        0.89     HN        0.89     KP        0.96     
!   LA        0.96     NL        0.95     OV        1.05     PT        1.00     
!   SC        1.03     GN        1.00     
! 
!  A total of 39 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.02     FD        1.00     GC        0.96     KP        0.99     
!   LA        0.98     NL        1.02     OV        1.01     PT        0.95     
!   KK        0.96     MC        1.00*    MK        1.00     ON        1.00*    
!   GN        0.99     
! 
! 
! Fit before self-cal, rms=0.147215Jy  sigma=0.837748
! Fit after  self-cal, rms=0.121803Jy  sigma=0.693351
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7778 mas, bmaj=2.045 mas, bpa=-7.848 degrees
! Estimated noise=1.92667 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 (-1.6, 1.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0196404 Jy
! Component: 100  -  total flux cleaned = 0.0234604 Jy
! Total flux subtracted in 100 components = 0.0234604 Jy
! Clean residual min=-0.012282 max=0.009815 Jy/beam
! Clean residual mean=-0.000022 rms=0.002477 Jy/beam
! Combined flux in latest and established models = 1.24641 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 67 components and 1.24641 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.118251Jy  sigma=0.672613
! Fit after  self-cal, rms=0.117890Jy  sigma=0.670302
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * 1.5
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 = 0.0046171 Jy
! Component: 100  -  total flux cleaned = 0.00655448 Jy
! Total flux subtracted in 100 components = 0.00655448 Jy
! Clean residual min=-0.011150 max=0.008507 Jy/beam
! Clean residual mean=-0.000026 rms=0.002143 Jy/beam
! Combined flux in latest and established models = 1.25296 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 77 components and 1.25296 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116839Jy  sigma=0.664393
! Fit after  self-cal, rms=0.114508Jy  sigma=0.650731
! Inverting map and beam 
! Estimated beam: bmin=0.7773 mas, bmaj=2.042 mas, bpa=-7.916 degrees
! Estimated noise=1.92765 mJy/beam.
doamp = false
solint = solint / 1.5
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 = 0.007899 Jy
! Component: 100  -  total flux cleaned = 0.00968003 Jy
! Total flux subtracted in 100 components = 0.00968003 Jy
! Clean residual min=-0.007257 max=0.007027 Jy/beam
! Clean residual mean=-0.000019 rms=0.001665 Jy/beam
! Combined flux in latest and established models = 1.26264 Jy
! Performing phase self-cal over 0.666667 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 80 components and 1.26264 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113824Jy  sigma=0.646802
! Fit after  self-cal, rms=0.113772Jy  sigma=0.646412
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1510-089_X
! Writing UV FITS file: 1510-089_X.uvf
! Writing 80 model components to file: 1510-089_X.mod
! wwins: Wrote 3 windows to 1510-089_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7773 x 2.042 at -7.916 degrees (North through East)
! Clean map  min=-0.0071351  max=0.93039 Jy/beam
! Writing clean map to FITS file: 1510-089_X.fits
! Writing difmap environment to: 1510-089_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
device 1510-089_Xuv.ps/vps,1,2
! Attempting to open device: '1510-089_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
device 1510-089_Xim.ps/vps
! Attempting to open device: '1510-089_Xim.ps/vps'
cmul = 1.0
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 (imstat(rms)*3),20000,2
! Inverting map and beam 
! Estimated beam: bmin=0.7773 mas, bmaj=2.042 mas, bpa=-7.916 degrees
! Estimated noise=1.92765 mJy/beam.
! The new contour levels are:
!  -0.0050053 0.0050053 0.0100106 0.0200212 0.0400424 0.0800848 0.16017 0.320339 0.640678 1.28136 2.56271 5.12542 10.2508 20.5017 41.0034 82.0068 164.014 328.027 656.054 1312.11 2624.22 5248.44 10496.9
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7773 x 2.042 at -7.916 degrees (North through East)
! Clean map  min=-0.0071351  max=0.93039 Jy/beam
quit
! Quitting program
! Log file 1510-089_X.log closed on Mon May  7 13:41:52 2001