! Started logfile: 0458-020_X.log on Wed May 14 11:04:29 2008
observe 0458-020_X.edt
! Reading UV FITS file: 0458-020_X.edt
! AN table 1: 27 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.125151 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0458-020
! 
! 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 946 lines of history.
! 
! Reading 2068 visibilities.
![@gonzo8-0.1 0458-020_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 365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 367 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.385340Jy  sigma=0.005489
! Fit after  self-cal, rms=0.384407Jy  sigma=0.005477
! 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=0.7279 mas, bmaj=1.666 mas, bpa=-0.4502 degrees
! Estimated noise=2329.09 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 = 0.479445 Jy
! Total flux subtracted in 50 components = 0.479445 Jy
! Clean residual min=-0.028223 max=0.133709 Jy/beam
! Clean residual mean=0.000057 rms=0.009090 Jy/beam
! Combined flux in latest and established models = 0.479445 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 0.479445 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.183187Jy  sigma=0.002862
! Fit after  self-cal, rms=0.183186Jy  sigma=0.002862
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.107215 Jy
! Total flux subtracted in 50 components = 0.107215 Jy
! Clean residual min=-0.017089 max=0.036274 Jy/beam
! Clean residual mean=0.000035 rms=0.004764 Jy/beam
! Combined flux in latest and established models = 0.58666 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 0.58666 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112359Jy  sigma=0.001731
! Fit after  self-cal, rms=0.112342Jy  sigma=0.001730
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0382511 Jy
! Total flux subtracted in 50 components = 0.0382511 Jy
! Clean residual min=-0.014716 max=0.024767 Jy/beam
! Clean residual mean=0.000027 rms=0.003964 Jy/beam
! Combined flux in latest and established models = 0.624911 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 22 components and 0.624911 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098596Jy  sigma=0.001479
! Fit after  self-cal, rms=0.098584Jy  sigma=0.001477
! 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=0.9579 mas, bmaj=2.094 mas, bpa=1.705 degrees
! Estimated noise=1426.5 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 = 0.0359217 Jy
! Component: 100  -  total flux cleaned = 0.0547466 Jy
! Total flux subtracted in 100 components = 0.0547466 Jy
! Clean residual min=-0.012233 max=0.031539 Jy/beam
! Clean residual mean=0.000051 rms=0.004857 Jy/beam
! Combined flux in latest and established models = 0.679658 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 49 components and 0.679658 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088293Jy  sigma=0.001264
! Fit after  self-cal, rms=0.087927Jy  sigma=0.001262
! 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        1.03     FD        1.00     GC        1.01     HH        1.00*    
!   HN        0.99     KK        1.02     KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.97     SC        1.01     
!   WF        1.00*    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        1.03     FD        1.02     GC        1.01     HH        1.00*    
!   HN        0.94     KK        1.00     KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.97     SC        1.03     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.01     GC        0.99     HH        1.00*    
!   HN        1.00     KK        1.01     KP        0.97     LA        0.96     
!   MC        1.00*    MK        1.01     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.03     PT        0.97     SC        0.98     
!   WF        1.00*    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        1.02     FD        1.00     GC        0.99     HH        1.00*    
!   HN        1.02     KK        0.99     KP        0.98     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.02     PT        0.97     SC        0.99     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.087927Jy  sigma=0.001262
! Fit after  self-cal, rms=0.087781Jy  sigma=0.001221
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9622 mas, bmaj=2.109 mas, bpa=1.405 degrees
! Estimated noise=1418.45 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 = 0.0022271 Jy
! Component: 100  -  total flux cleaned = 0.00314101 Jy
! Total flux subtracted in 100 components = 0.00314101 Jy
! Clean residual min=-0.011205 max=0.026130 Jy/beam
! Clean residual mean=0.000020 rms=0.004131 Jy/beam
! Combined flux in latest and established models = 0.682799 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 54 components and 0.682799 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087351Jy  sigma=0.001213
! Fit after  self-cal, rms=0.087217Jy  sigma=0.001212
! 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 (-2.8, 0.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0241678 Jy
! Component: 100  -  total flux cleaned = 0.0364625 Jy
! Total flux subtracted in 100 components = 0.0364625 Jy
! Clean residual min=-0.009942 max=0.014032 Jy/beam
! Clean residual mean=-0.000007 rms=0.002942 Jy/beam
! Combined flux in latest and established models = 0.719261 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 73 components and 0.719262 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081574Jy  sigma=0.001105
! Fit after  self-cal, rms=0.078061Jy  sigma=0.001074
! Inverting map and beam 
! Estimated beam: bmin=0.9595 mas, bmaj=2.103 mas, bpa=1.301 degrees
! Estimated noise=1416.15 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 = 0.0125293 Jy
! Component: 100  -  total flux cleaned = 0.0201765 Jy
! Total flux subtracted in 100 components = 0.0201765 Jy
! Clean residual min=-0.009088 max=0.011530 Jy/beam
! Clean residual mean=-0.000007 rms=0.002434 Jy/beam
! Combined flux in latest and established models = 0.739438 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 96 components and 0.739438 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076350Jy  sigma=0.001040
! Fit after  self-cal, rms=0.076001Jy  sigma=0.001037
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0458-020_X
! Writing UV FITS file: 0458-020_X.uvf
! Writing 96 model components to file: 0458-020_X.mod
! wwins: Wrote 2 windows to 0458-020_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9595 x 2.103 at 1.301 degrees (North through East)
! Clean map  min=-0.0087946  max=0.61485 Jy/beam
! Writing clean map to FITS file: 0458-020_X.fits
! Writing difmap environment to: 0458-020_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0458-020_X]
device 0458-020_Xuv.ps/vps,1,2
! Attempting to open device: '0458-020_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0458-020_Xim.ps/vps
! Attempting to open device: '0458-020_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=0.9595 mas, bmaj=2.103 mas, bpa=1.301 degrees
! Estimated noise=1416.15 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9595 x 2.103 at 1.301 degrees (North through East)
! Clean map  min=-0.0087946  max=0.61485 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0458-020_X.log closed on Wed May 14 11:04:37 2008