! Started logfile: 0458-020_X.log on Fri Aug  8 16:33:54 2008
observe 0458-020_X.edt
! Reading UV FITS file: 0458-020_X.edt
! AN table 1: 64 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0705409 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 1526 lines of history.
! 
! Reading 3088 visibilities.
![@gonzo7-0.1 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 = 7.0
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 1019 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1020 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1022 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1026 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.406062Jy  sigma=6.356701
! Fit after  self-cal, rms=0.404841Jy  sigma=6.339469
! 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=0.5424 mas, bmaj=1.703 mas, bpa=-1.415 degrees
! Estimated noise=1.60836 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 = 0.491655 Jy
! Total flux subtracted in 50 components = 0.491655 Jy
! Clean residual min=-0.035993 max=0.137117 Jy/beam
! Clean residual mean=0.000326 rms=0.011896 Jy/beam
! Combined flux in latest and established models = 0.491655 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 0.491655 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.184241Jy  sigma=2.908286
! Fit after  self-cal, rms=0.184241Jy  sigma=2.908283
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.108227 Jy
! Total flux subtracted in 50 components = 0.108227 Jy
! Clean residual min=-0.024474 max=0.044574 Jy/beam
! Clean residual mean=0.000165 rms=0.006641 Jy/beam
! Combined flux in latest and established models = 0.599882 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 5 components and 0.599882 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134673Jy  sigma=1.921625
! Fit after  self-cal, rms=0.134641Jy  sigma=1.920222
! 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=0.5864 mas, bmaj=1.717 mas, bpa=-4.29 degrees
! Estimated noise=1.10136 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 = 0.0390058 Jy
! Component: 100  -  total flux cleaned = 0.058528 Jy
! Total flux subtracted in 100 components = 0.058528 Jy
! Clean residual min=-0.019194 max=0.025759 Jy/beam
! Clean residual mean=-0.000155 rms=0.005605 Jy/beam
! Combined flux in latest and established models = 0.65841 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 20 components and 0.65841 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127029Jy  sigma=1.691994
! Fit after  self-cal, rms=0.126947Jy  sigma=1.691215
! 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 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.95     GC        1.02     HH        1.00*    
!   HN        1.00     KK        0.84     KP        0.92     LA        0.92     
!   MA        1.00*    MK        0.97     NL        1.00*    NY        1.00*    
!   OV        1.00     PT        0.87     SC        1.00*    TS        1.03     
!   WF        1.51     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.96     GC        1.04     HH        1.00*    
!   HN        1.00     KK        0.89     KP        0.91     LA        0.94     
!   MA        1.00*    MK        0.96     NL        1.00*    NY        1.00*    
!   OV        1.00     PT        0.86     SC        1.00*    TS        1.04     
!   WF        1.39     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.94     GC        1.01     HH        1.00*    
!   HN        0.97     KK        0.95     KP        0.94     LA        0.96     
!   MA        1.00*    MK        0.96     NL        1.00*    NY        1.00*    
!   OV        1.05     PT        0.89     SC        1.00*    TS        1.06     
!   WF        1.52     WZ        1.00*    GG        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.99     GC        1.02     HH        1.00*    
!   HN        1.02     KK        0.91     KP        0.92     LA        0.88     
!   MA        1.00*    MK        0.96     NL        1.00*    NY        1.00*    
!   OV        1.02     PT        0.86     SC        1.00*    TS        1.02     
!   WF        1.48     WZ        1.00*    GG        1.00*    
! 
! 
! Fit before self-cal, rms=0.126947Jy  sigma=1.691215
! Fit after  self-cal, rms=0.110193Jy  sigma=1.355785
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.5966 mas, bmaj=1.719 mas, bpa=-4.249 degrees
! Estimated noise=1.09517 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 = -0.00737196 Jy
! Component: 100  -  total flux cleaned = -0.00753227 Jy
! Total flux subtracted in 100 components = -0.00753227 Jy
! Clean residual min=-0.012606 max=0.022116 Jy/beam
! Clean residual mean=0.000426 rms=0.003750 Jy/beam
! Combined flux in latest and established models = 0.650878 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 29 components and 0.650878 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109740Jy  sigma=1.347975
! Fit after  self-cal, rms=0.109648Jy  sigma=1.346699
! 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 (-2.6, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0211847 Jy
! Component: 100  -  total flux cleaned = 0.034281 Jy
! Total flux subtracted in 100 components = 0.034281 Jy
! Clean residual min=-0.009968 max=0.016381 Jy/beam
! Clean residual mean=0.000315 rms=0.002689 Jy/beam
! Combined flux in latest and established models = 0.685159 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 54 components and 0.685159 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105618Jy  sigma=1.267005
! Fit after  self-cal, rms=0.103066Jy  sigma=1.219049
! Inverting map and beam 
! Estimated beam: bmin=0.5959 mas, bmaj=1.725 mas, bpa=-4.227 degrees
! Estimated noise=1.09217 mJy/beam.
! Added new window around map position (-3.8, 3.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0152675 Jy
! Component: 100  -  total flux cleaned = 0.0247856 Jy
! Total flux subtracted in 100 components = 0.0247856 Jy
! Clean residual min=-0.007235 max=0.010156 Jy/beam
! Clean residual mean=0.000220 rms=0.002194 Jy/beam
! Combined flux in latest and established models = 0.709945 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 78 components and 0.709945 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100879Jy  sigma=1.173113
! Fit after  self-cal, rms=0.100055Jy  sigma=1.162646
! Inverting map and beam 
! Estimated beam: bmin=0.5959 mas, bmaj=1.725 mas, bpa=-4.228 degrees
! Estimated noise=1.08801 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 = 0.00817437 Jy
! Component: 100  -  total flux cleaned = 0.0142556 Jy
! Total flux subtracted in 100 components = 0.0142556 Jy
! Clean residual min=-0.006515 max=0.008879 Jy/beam
! Clean residual mean=0.000160 rms=0.001962 Jy/beam
! Combined flux in latest and established models = 0.7242 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 102 components and 0.7242 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.099342Jy  sigma=1.149039
! Fit after  self-cal, rms=0.099190Jy  sigma=1.146665
! 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 102 model components to file: 0458-020_X.mod
! wwins: Wrote 3 windows to 0458-020_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5959 x 1.725 at -4.228 degrees (North through East)
! Clean map  min=-0.0061287  max=0.61676 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=0.5959 mas, bmaj=1.725 mas, bpa=-4.228 degrees
! Estimated noise=1.08801 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5959 x 1.725 at -4.228 degrees (North through East)
! Clean map  min=-0.0061287  max=0.61676 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 0458-020_X.log closed on Fri Aug  8 16:34:01 2008