! Started logfile: 1622-253_S.log on Tue Feb  5 19:12:17 2008
observe 1622-253_S.edt
! Reading UV FITS file: 1622-253_S.edt
! AN table 1: 15 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.151471 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1622-253
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1259 lines of history.
! 
! Reading 1236 visibilities.
![@gonzo5-0.4 1622-253_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 5.0
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 0.400x0.400 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 187 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 187 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 188 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 188 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.202014Jy  sigma=0.002734
! Fit after  self-cal, rms=0.201376Jy  sigma=0.002729
! 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=2.445 mas, bmaj=6.776 mas, bpa=1.925 degrees
! Estimated noise=2979.27 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 = 0.814643 Jy
! Total flux subtracted in 50 components = 0.814643 Jy
! Clean residual min=-0.049545 max=0.227189 Jy/beam
! Clean residual mean=0.000225 rms=0.023555 Jy/beam
! Combined flux in latest and established models = 0.814643 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 0.814643 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.340883Jy  sigma=0.004684
! Fit after  self-cal, rms=0.340883Jy  sigma=0.004684
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.202738 Jy
! Total flux subtracted in 50 components = 0.202738 Jy
! Clean residual min=-0.027455 max=0.085550 Jy/beam
! Clean residual mean=0.000116 rms=0.011862 Jy/beam
! Combined flux in latest and established models = 1.01738 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 13 components and 1.01738 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.186885Jy  sigma=0.002553
! Fit after  self-cal, rms=0.186859Jy  sigma=0.002552
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.095757 Jy
! Total flux subtracted in 50 components = 0.095757 Jy
! Clean residual min=-0.018100 max=0.046187 Jy/beam
! Clean residual mean=0.000064 rms=0.007099 Jy/beam
! Combined flux in latest and established models = 1.11314 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 18 components and 1.11314 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128807Jy  sigma=0.001701
! Fit after  self-cal, rms=0.128802Jy  sigma=0.001701
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0533387 Jy
! Total flux subtracted in 50 components = 0.0533387 Jy
! Clean residual min=-0.014344 max=0.026286 Jy/beam
! Clean residual mean=0.000035 rms=0.004726 Jy/beam
! Combined flux in latest and established models = 1.16648 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 23 components and 1.16648 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103758Jy  sigma=0.001315
! Fit after  self-cal, rms=0.103745Jy  sigma=0.001314
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.03046 Jy
! Total flux subtracted in 50 components = 0.03046 Jy
! Clean residual min=-0.012080 max=0.020031 Jy/beam
! Clean residual mean=0.000019 rms=0.003632 Jy/beam
! Combined flux in latest and established models = 1.19694 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 40 components and 1.19694 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094120Jy  sigma=0.001155
! Fit after  self-cal, rms=0.094113Jy  sigma=0.001155
! Inverting map 
! Added new window around map position (24.8, -47.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0199223 Jy
! Total flux subtracted in 50 components = 0.0199223 Jy
! Clean residual min=-0.010599 max=0.013097 Jy/beam
! Clean residual mean=0.000006 rms=0.003072 Jy/beam
! Combined flux in latest and established models = 1.21686 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 53 components and 1.21686 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090331Jy  sigma=0.001090
! Fit after  self-cal, rms=0.090188Jy  sigma=0.001088
! 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=3.392 mas, bmaj=9.283 mas, bpa=-0.1773 degrees
! Estimated noise=1873.17 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 (-2.8, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0190052 Jy
! Component: 100  -  total flux cleaned = 0.0297621 Jy
! Total flux subtracted in 100 components = 0.0297621 Jy
! Clean residual min=-0.007626 max=0.009887 Jy/beam
! Clean residual mean=-0.000029 rms=0.002534 Jy/beam
! Combined flux in latest and established models = 1.24662 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 88 components and 1.24662 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086942Jy  sigma=0.001034
! Fit after  self-cal, rms=0.086890Jy  sigma=0.001032
! 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:
!   BR        1.00     FD        1.01     GC        1.00*    HN        1.00*    
!   KK        1.01     KP        0.99     LA        0.99     MC        1.00*    
!   MK        1.01     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.00     WF        1.00     
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        1.00     LA        0.99     MC        1.00*    
!   MK        1.00     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.01     WF        1.02     
!   WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        1.00     LA        0.99     MC        1.00*    
!   MK        0.99     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        0.99     SC        1.02     WF        1.03     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.00*    HN        1.00*    
!   KK        1.00     KP        0.99     LA        0.99     MC        1.00*    
!   MK        1.02     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        1.00     SC        1.01     WF        1.02     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.086890Jy  sigma=0.001032
! Fit after  self-cal, rms=0.086284Jy  sigma=0.001024
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.4 mas, bmaj=9.31 mas, bpa=-0.2346 degrees
! Estimated noise=1865.55 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 (-14.4, 20).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00921097 Jy
! Component: 100  -  total flux cleaned = 0.0142967 Jy
! Total flux subtracted in 100 components = 0.0142967 Jy
! Clean residual min=-0.006102 max=0.006908 Jy/beam
! Clean residual mean=-0.000016 rms=0.001821 Jy/beam
! Combined flux in latest and established models = 1.26092 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 106 components and 1.26092 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085432Jy  sigma=0.001011
! Fit after  self-cal, rms=0.085413Jy  sigma=0.001010
! 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, -68).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00674252 Jy
! Component: 100  -  total flux cleaned = 0.0102871 Jy
! Total flux subtracted in 100 components = 0.0102871 Jy
! Clean residual min=-0.005397 max=0.005585 Jy/beam
! Clean residual mean=-0.000015 rms=0.001570 Jy/beam
! Combined flux in latest and established models = 1.2712 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 116 components and 1.2712 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084870Jy  sigma=0.001004
! Fit after  self-cal, rms=0.084374Jy  sigma=0.000996
! Inverting map and beam 
! Estimated beam: bmin=3.399 mas, bmaj=9.304 mas, bpa=-0.2175 degrees
! Estimated noise=1864.82 mJy/beam.
! Added new window around map position (35.2, -21.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00371259 Jy
! Component: 100  -  total flux cleaned = 0.00633782 Jy
! Total flux subtracted in 100 components = 0.00633782 Jy
! Clean residual min=-0.004659 max=0.004677 Jy/beam
! Clean residual mean=-0.000016 rms=0.001387 Jy/beam
! Combined flux in latest and established models = 1.27754 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 126 components and 1.27754 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083930Jy  sigma=0.000991
! Fit after  self-cal, rms=0.083442Jy  sigma=0.000986
! Inverting map and beam 
! Estimated beam: bmin=3.399 mas, bmaj=9.304 mas, bpa=-0.2141 degrees
! Estimated noise=1864.35 mJy/beam.
! Added new window around map position (20.8, 15.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00305499 Jy
! Component: 100  -  total flux cleaned = 0.00500058 Jy
! Total flux subtracted in 100 components = 0.00500058 Jy
! Clean residual min=-0.005184 max=0.004427 Jy/beam
! Clean residual mean=-0.000013 rms=0.001304 Jy/beam
! Combined flux in latest and established models = 1.28254 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 142 components and 1.28254 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083144Jy  sigma=0.000983
! Fit after  self-cal, rms=0.082824Jy  sigma=0.000980
! Inverting map and beam 
! Estimated beam: bmin=3.4 mas, bmaj=9.304 mas, bpa=-0.2119 degrees
! Estimated noise=1863.61 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 = 0.000845441 Jy
! Component: 100  -  total flux cleaned = 0.00138399 Jy
! Total flux subtracted in 100 components = 0.00138399 Jy
! Clean residual min=-0.005075 max=0.004370 Jy/beam
! Clean residual mean=-0.000012 rms=0.001255 Jy/beam
! Combined flux in latest and established models = 1.28393 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 29 model components to the UV plane model.
! The established model now contains 158 components and 1.28393 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082669Jy  sigma=0.000978
! Fit after  self-cal, rms=0.082666Jy  sigma=0.000978
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1622-253_S
! Writing UV FITS file: 1622-253_S.uvf
! Writing 158 model components to file: 1622-253_S.mod
! wwins: Wrote 7 windows to 1622-253_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.4 x 9.304 at -0.2119 degrees (North through East)
! Clean map  min=-0.0050006  max=1.1026 Jy/beam
! Writing clean map to FITS file: 1622-253_S.fits
! Writing difmap environment to: 1622-253_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1622-253_S]
device 1622-253_Suv.ps/vps,1,2
! Attempting to open device: '1622-253_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1622-253_Sim.ps/vps
! Attempting to open device: '1622-253_Sim.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=3.4 mas, bmaj=9.304 mas, bpa=-0.2119 degrees
! Estimated noise=1863.61 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.4 x 9.304 at -0.2119 degrees (North through East)
! Clean map  min=-0.0050006  max=1.1026 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 1622-253_S.log closed on Tue Feb  5 19:12:24 2008