! Started logfile: 1958-179_X.log on Tue Aug  2 16:20:15 2005
observe 1958-179_X.edt
! Reading UV FITS file: 1958-179_X.edt
! AN table 1: 29 integrations on 171 of 171 possible baselines.
! AN table 2: 20 integrations on 171 of 171 possible baselines.
! AN table 3: 7 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0840643 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1958-179
! 
! 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 3220 visibilities.
![@gonzo8-0.1 1958-179_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 450 telescope corrections were flagged in sub-array 1.
!  A total of 314 telescope corrections were flagged in sub-array 2.
!  A total of 130 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 456 telescope corrections were flagged in sub-array 1.
!  A total of 313 telescope corrections were flagged in sub-array 2.
!  A total of 127 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 459 telescope corrections were flagged in sub-array 1.
!  A total of 313 telescope corrections were flagged in sub-array 2.
!  A total of 127 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 459 telescope corrections were flagged in sub-array 1.
!  A total of 313 telescope corrections were flagged in sub-array 2.
!  A total of 127 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.141532Jy  sigma=0.002317
! Fit after  self-cal, rms=0.141161Jy  sigma=0.002320
! 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=0.7463 mas, bmaj=1.975 mas, bpa=3.645 degrees
! Estimated noise=1574 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 = 0.822173 Jy
! Total flux subtracted in 50 components = 0.822173 Jy
! Clean residual min=-0.055259 max=0.229295 Jy/beam
! Clean residual mean=0.000508 rms=0.017570 Jy/beam
! Combined flux in latest and established models = 0.822173 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 0.822173 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.279578Jy  sigma=0.004603
! Fit after  self-cal, rms=0.279578Jy  sigma=0.004603
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.183154 Jy
! Total flux subtracted in 50 components = 0.183154 Jy
! Clean residual min=-0.028049 max=0.063285 Jy/beam
! Clean residual mean=0.000247 rms=0.007901 Jy/beam
! Combined flux in latest and established models = 1.00533 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 1.00533 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.137940Jy  sigma=0.002270
! Fit after  self-cal, rms=0.137953Jy  sigma=0.002270
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0667026 Jy
! Total flux subtracted in 50 components = 0.0667026 Jy
! Clean residual min=-0.021065 max=0.029774 Jy/beam
! Clean residual mean=0.000151 rms=0.005519 Jy/beam
! Combined flux in latest and established models = 1.07203 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 19 components and 1.07203 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110229Jy  sigma=0.001748
! Fit after  self-cal, rms=0.110154Jy  sigma=0.001746
! 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=1.079 mas, bmaj=2.397 mas, bpa=2.26 degrees
! Estimated noise=1052.4 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 = 0.0407554 Jy
! Component: 100  -  total flux cleaned = 0.059242 Jy
! Total flux subtracted in 100 components = 0.059242 Jy
! Clean residual min=-0.017023 max=0.016906 Jy/beam
! Clean residual mean=0.000257 rms=0.003782 Jy/beam
! Combined flux in latest and established models = 1.13127 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 36 components and 1.13127 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098550Jy  sigma=0.001501
! Fit after  self-cal, rms=0.098518Jy  sigma=0.001500
! 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 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.13     KK        1.00*    KP        0.97     LA        0.99     
!   MC        1.00*    MK        0.97     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.06     LA        1.03     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.02     SC        0.98     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  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        0.96     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.14     KK        1.00*    KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00     NL        0.94     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 2:
!   BR        1.00*    FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        1.04     LA        1.06     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.02     SC        0.97     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  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        0.98     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.09     KK        1.00*    KP        0.97     LA        0.98     
!   MC        1.00*    MK        0.95     NL        0.95     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        0.99     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.03     LA        1.04     
!   MC        1.00*    MK        1.00*    NL        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.03     SC        1.02     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.14     KK        1.00*    KP        0.97     LA        0.97     
!   MC        1.00*    MK        0.96     NL        0.93     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.99     SC        1.08     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.10     KK        1.00*    KP        1.02     LA        1.04     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.01     SC        0.97     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  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=0.098518Jy  sigma=0.001500
! Fit after  self-cal, rms=0.080997Jy  sigma=0.001219
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.104 mas, bmaj=2.479 mas, bpa=0.193 degrees
! Estimated noise=1057.38 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 = -0.00234821 Jy
! Component: 100  -  total flux cleaned = -0.00233505 Jy
! Total flux subtracted in 100 components = -0.00233505 Jy
! Clean residual min=-0.006393 max=0.005641 Jy/beam
! Clean residual mean=-0.000120 rms=0.001485 Jy/beam
! Combined flux in latest and established models = 1.12894 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 41 components and 1.12894 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080771Jy  sigma=0.001216
! Fit after  self-cal, rms=0.080760Jy  sigma=0.001215
! 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 = -4.00112e-05 Jy
! Component: 100  -  total flux cleaned = 0.000131696 Jy
! Total flux subtracted in 100 components = 0.000131696 Jy
! Clean residual min=-0.006184 max=0.005605 Jy/beam
! Clean residual mean=-0.000121 rms=0.001466 Jy/beam
! Combined flux in latest and established models = 1.12907 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 45 components and 1.12907 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080658Jy  sigma=0.001213
! Fit after  self-cal, rms=0.078687Jy  sigma=0.001176
! Inverting map and beam 
! Estimated beam: bmin=1.105 mas, bmaj=2.48 mas, bpa=0.2327 degrees
! Estimated noise=1057.98 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 = -0.000511889 Jy
! Component: 100  -  total flux cleaned = -0.000645288 Jy
! Total flux subtracted in 100 components = -0.000645288 Jy
! Clean residual min=-0.004587 max=0.004246 Jy/beam
! Clean residual mean=0.000030 rms=0.001178 Jy/beam
! Combined flux in latest and established models = 1.12842 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 45 components and 1.12842 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078611Jy  sigma=0.001174
! Fit after  self-cal, rms=0.078605Jy  sigma=0.001174
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1958-179_X
! Writing UV FITS file: 1958-179_X.uvf
! Writing 45 model components to file: 1958-179_X.mod
! wwins: Wrote 1 windows to 1958-179_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.105 x 2.48 at 0.2327 degrees (North through East)
! Clean map  min=-0.0044718  max=1.0647 Jy/beam
! Writing clean map to FITS file: 1958-179_X.fits
! Writing difmap environment to: 1958-179_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1958-179_X]
device 1958-179_Xuv.ps/vps,1,2
! Attempting to open device: '1958-179_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1958-179_Xim.ps/vps
! Attempting to open device: '1958-179_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=1.105 mas, bmaj=2.48 mas, bpa=0.2327 degrees
! Estimated noise=1057.98 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.105 x 2.48 at 0.2327 degrees (North through East)
! Clean map  min=-0.0044718  max=1.0647 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1958-179_X.log closed on Tue Aug  2 16:20:33 2005