! Started logfile: 0919-260_X.log on Wed Jul 20 12:18:09 2005
observe 0919-260_X.edt
! Reading UV FITS file: 0919-260_X.edt
! AN table 1: 61 integrations on 171 of 171 possible baselines.
! AN table 2: 25 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.130287 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0919-260
! 
! 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 1818 lines of history.
! 
! Reading 7664 visibilities.
![@gonzo8-0.1 0919-260_X]
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 1012 telescope corrections were flagged in sub-array 1.
!  A total of 426 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 1013 telescope corrections were flagged in sub-array 1.
!  A total of 423 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 1014 telescope corrections were flagged in sub-array 1.
!  A total of 423 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 1046 telescope corrections were flagged in sub-array 1.
!  A total of 426 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.377689Jy  sigma=0.005967
! Fit after  self-cal, rms=0.379129Jy  sigma=0.006009
! 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=0.7409 mas, bmaj=2.302 mas, bpa=-0.118 degrees
! Estimated noise=1302.48 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 = 0.973502 Jy
! Total flux subtracted in 50 components = 0.973502 Jy
! Clean residual min=-0.059598 max=0.271504 Jy/beam
! Clean residual mean=0.001775 rms=0.021335 Jy/beam
! Combined flux in latest and established models = 0.973502 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 0.973502 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.400048Jy  sigma=0.006330
! Fit after  self-cal, rms=0.400048Jy  sigma=0.006330
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.244023 Jy
! Total flux subtracted in 50 components = 0.244023 Jy
! Clean residual min=-0.035094 max=0.105067 Jy/beam
! Clean residual mean=0.001213 rms=0.011465 Jy/beam
! Combined flux in latest and established models = 1.21753 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 9 components and 1.21753 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.232296Jy  sigma=0.003689
! Fit after  self-cal, rms=0.232234Jy  sigma=0.003688
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.117013 Jy
! Total flux subtracted in 50 components = 0.117013 Jy
! Clean residual min=-0.024186 max=0.055330 Jy/beam
! Clean residual mean=0.000940 rms=0.007667 Jy/beam
! Combined flux in latest and established models = 1.33454 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 11 components and 1.33454 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.170702Jy  sigma=0.002641
! Fit after  self-cal, rms=0.170580Jy  sigma=0.002640
! 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=0.825 mas, bmaj=2.549 mas, bpa=-0.9546 degrees
! Estimated noise=1000.07 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 = 0.0874352 Jy
! Component: 100  -  total flux cleaned = 0.133396 Jy
! Total flux subtracted in 100 components = 0.133396 Jy
! Clean residual min=-0.017574 max=0.053141 Jy/beam
! Clean residual mean=0.001496 rms=0.006360 Jy/beam
! Combined flux in latest and established models = 1.46793 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 42 model components to the UV plane model.
! The established model now contains 52 components and 1.46793 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.131080Jy  sigma=0.001878
! Fit after  self-cal, rms=0.130807Jy  sigma=0.001875
! Inverting map 
! Added new window around map position (-1.5, 0.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0451912 Jy
! Component: 100  -  total flux cleaned = 0.0676715 Jy
! Total flux subtracted in 100 components = 0.0676715 Jy
! Clean residual min=-0.013374 max=0.023171 Jy/beam
! Clean residual mean=0.001165 rms=0.004311 Jy/beam
! Combined flux in latest and established models = 1.53561 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 35 model components to the UV plane model.
! The established model now contains 84 components and 1.53561 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116080Jy  sigma=0.001630
! Fit after  self-cal, rms=0.113699Jy  sigma=0.001595
! 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 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.05     KK        1.00*    KP        0.99     LA        1.01     
!   MC        1.00*    MK        1.00     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.97     SC        0.98     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.97     KP        0.99     LA        0.91     
!   MC        1.00*    MK        0.99     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.05     KK        1.00*    KP        0.99     LA        1.01     
!   MC        1.00*    MK        1.03     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.04     PT        0.97     SC        1.03     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.97     KP        0.99     LA        0.90     
!   MC        1.00*    MK        0.99     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.01     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.98     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 15 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        1.00*    KK        0.94     KP        0.98     LA        0.91     
!   MC        1.00*    MK        0.99     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 15 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        1.00     LA        0.98     
!   MC        1.00*    MK        0.99     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.97     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.95     KP        1.00     LA        0.89     
!   MC        1.00*    MK        0.98     NL        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.113699Jy  sigma=0.001595
! Fit after  self-cal, rms=0.101949Jy  sigma=0.001393
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8637 mas, bmaj=2.585 mas, bpa=-1.775 degrees
! Estimated noise=1021.95 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 = 0.00782317 Jy
! Component: 100  -  total flux cleaned = 0.0101095 Jy
! Total flux subtracted in 100 components = 0.0101095 Jy
! Clean residual min=-0.010238 max=0.009224 Jy/beam
! Clean residual mean=0.000008 rms=0.002457 Jy/beam
! Combined flux in latest and established models = 1.54572 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 100 components and 1.54572 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100474Jy  sigma=0.001371
! Fit after  self-cal, rms=0.100224Jy  sigma=0.001369
! 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 = 0.00205895 Jy
! Component: 100  -  total flux cleaned = 0.00229795 Jy
! Total flux subtracted in 100 components = 0.00229795 Jy
! Clean residual min=-0.009585 max=0.008664 Jy/beam
! Clean residual mean=-0.000007 rms=0.002373 Jy/beam
! Combined flux in latest and established models = 1.54801 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 109 components and 1.54801 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099610Jy  sigma=0.001359
! Fit after  self-cal, rms=0.093156Jy  sigma=0.001276
! Inverting map and beam 
! Estimated beam: bmin=0.8647 mas, bmaj=2.585 mas, bpa=-1.75 degrees
! Estimated noise=1022.97 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 = 0.00665544 Jy
! Component: 100  -  total flux cleaned = 0.00687254 Jy
! Total flux subtracted in 100 components = 0.00687254 Jy
! Clean residual min=-0.007972 max=0.008214 Jy/beam
! Clean residual mean=0.000033 rms=0.001702 Jy/beam
! Combined flux in latest and established models = 1.55489 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 128 components and 1.55489 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092565Jy  sigma=0.001265
! Fit after  self-cal, rms=0.092466Jy  sigma=0.001264
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0919-260_X
! Writing UV FITS file: 0919-260_X.uvf
! Writing 128 model components to file: 0919-260_X.mod
! wwins: Wrote 2 windows to 0919-260_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8647 x 2.585 at -1.75 degrees (North through East)
! Clean map  min=-0.0063662  max=1.2676 Jy/beam
! Writing clean map to FITS file: 0919-260_X.fits
! Writing difmap environment to: 0919-260_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0919-260_X]
device 0919-260_Xuv.ps/vps,1,2
! Attempting to open device: '0919-260_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0919-260_Xim.ps/vps
! Attempting to open device: '0919-260_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=0.8647 mas, bmaj=2.585 mas, bpa=-1.75 degrees
! Estimated noise=1022.97 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8647 x 2.585 at -1.75 degrees (North through East)
! Clean map  min=-0.0063662  max=1.2676 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0919-260_X.log closed on Wed Jul 20 12:18:57 2005