! Started logfile: 1639+230_S.log on Fri Jun 20 15:08:04 2008
observe 1639+230_S.edt
! Reading UV FITS file: 1639+230_S.edt
! AN table 1: 56 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.162594 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1639+230
! 
! 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 1901 lines of history.
! 
! Reading 6920 visibilities.
![@gonzo5-0.4-pw 1639+230_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 813 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 812 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 813 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 812 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.730006Jy  sigma=10.079673
! Fit after  self-cal, rms=0.729351Jy  sigma=10.079255
! 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
peakw win_mult
! Inverting map and beam 
! Estimated beam: bmin=2.137 mas, bmaj=3.563 mas, bpa=8.605 degrees
! Estimated noise=1.39977 mJy/beam.
! Added new window around map position (0, 0).
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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.206258 Jy
! Total flux subtracted in 50 components = 0.206258 Jy
! Clean residual min=-0.016517 max=0.057527 Jy/beam
! Clean residual mean=-0.000218 rms=0.005264 Jy/beam
! Combined flux in latest and established models = 0.206258 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 0.206258 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.186026Jy  sigma=1.890750
! Fit after  self-cal, rms=0.186027Jy  sigma=1.890748
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0532147 Jy
! Total flux subtracted in 50 components = 0.0532147 Jy
! Clean residual min=-0.012932 max=0.023859 Jy/beam
! Clean residual mean=-0.000129 rms=0.003569 Jy/beam
! Combined flux in latest and established models = 0.259473 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 0.259473 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.167768Jy  sigma=1.589671
! Fit after  self-cal, rms=0.167745Jy  sigma=1.588850
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0255016 Jy
! Total flux subtracted in 50 components = 0.0255016 Jy
! Clean residual min=-0.012836 max=0.016998 Jy/beam
! Clean residual mean=-0.000087 rms=0.003116 Jy/beam
! Combined flux in latest and established models = 0.284975 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 13 components and 0.284975 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.162344Jy  sigma=1.511563
! Fit after  self-cal, rms=0.162300Jy  sigma=1.510387
! Inverting map 
! Added new window around map position (-10, -3.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0174841 Jy
! Total flux subtracted in 50 components = 0.0174841 Jy
! Clean residual min=-0.012597 max=0.013910 Jy/beam
! Clean residual mean=-0.000061 rms=0.002880 Jy/beam
! Combined flux in latest and established models = 0.302459 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 24 components and 0.302459 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160049Jy  sigma=1.482800
! Fit after  self-cal, rms=0.159953Jy  sigma=1.480888
! 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=2.775 mas, bmaj=4.812 mas, bpa=19.41 degrees
! Estimated noise=0.862855 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, 0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0199966 Jy
! Component: 100  -  total flux cleaned = 0.0315995 Jy
! Total flux subtracted in 100 components = 0.0315995 Jy
! Clean residual min=-0.011019 max=0.011796 Jy/beam
! Clean residual mean=0.000011 rms=0.002857 Jy/beam
! Combined flux in latest and established models = 0.334058 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 42 components and 0.334058 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157206Jy  sigma=1.456323
! Fit after  self-cal, rms=0.157187Jy  sigma=1.455630
! 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 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        0.96     GC        0.88     HH        1.00*    
!   HN        1.00*    KK        0.96     KP        0.67     LA        0.87     
!   MA        1.00*    MC        1.00*    MK        0.99     NL        0.82     
!   NY        1.21     ON        1.00*    OV        1.03     PT        1.22     
!   SC        1.00*    TS        1.06     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        0.99     HH        1.00*    
!   HN        1.00*    KK        0.87     KP        1.00     LA        0.92     
!   MA        1.00*    MC        1.00*    MK        1.05     NL        1.08     
!   NY        1.14     ON        1.00*    OV        0.79     PT        0.99     
!   SC        1.00*    TS        1.03     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.04     GC        1.02     HH        1.00*    
!   HN        1.00*    KK        0.87     KP        1.30     LA        0.76     
!   MA        1.00*    MC        1.00*    MK        1.02     NL        1.09     
!   NY        1.24     ON        1.00*    OV        0.98     PT        1.14     
!   SC        1.00*    TS        1.07     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.09     GC        0.91     HH        1.00*    
!   HN        1.00*    KK        0.94     KP        1.01     LA        1.15     
!   MA        1.00*    MC        1.00*    MK        1.12     NL        0.88     
!   NY        0.97     ON        1.00*    OV        0.80     PT        1.23     
!   SC        1.00*    TS        1.00     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.157187Jy  sigma=1.455630
! Fit after  self-cal, rms=0.157796Jy  sigma=1.314583
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.905 mas, bmaj=4.81 mas, bpa=18.22 degrees
! Estimated noise=0.87179 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 = -0.000890624 Jy
! Component: 100  -  total flux cleaned = -0.0014443 Jy
! Total flux subtracted in 100 components = -0.0014443 Jy
! Clean residual min=-0.005949 max=0.004503 Jy/beam
! Clean residual mean=-0.000046 rms=0.001283 Jy/beam
! Combined flux in latest and established models = 0.332614 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 52 components and 0.332614 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157638Jy  sigma=1.311119
! Fit after  self-cal, rms=0.157623Jy  sigma=1.310348
! 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 = 0.000147576 Jy
! Component: 100  -  total flux cleaned = -0.000118282 Jy
! Total flux subtracted in 100 components = -0.000118282 Jy
! Clean residual min=-0.005645 max=0.004538 Jy/beam
! Clean residual mean=-0.000046 rms=0.001254 Jy/beam
! Combined flux in latest and established models = 0.332496 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 61 components and 0.332496 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157565Jy  sigma=1.309334
! Fit after  self-cal, rms=0.291105Jy  sigma=1.266865
! Inverting map and beam 
! Estimated beam: bmin=2.909 mas, bmaj=4.819 mas, bpa=18.12 degrees
! Estimated noise=0.872676 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 = -0.00105698 Jy
! Component: 100  -  total flux cleaned = -0.00176942 Jy
! Total flux subtracted in 100 components = -0.00176942 Jy
! Clean residual min=-0.004696 max=0.004049 Jy/beam
! Clean residual mean=-0.000010 rms=0.001121 Jy/beam
! Combined flux in latest and established models = 0.330726 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 71 components and 0.330726 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.291078Jy  sigma=1.266046
! Fit after  self-cal, rms=0.291209Jy  sigma=1.265838
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1639+230_S
! Writing UV FITS file: 1639+230_S.uvf
! Writing 71 model components to file: 1639+230_S.mod
! wwins: Wrote 3 windows to 1639+230_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.909 x 4.819 at 18.12 degrees (North through East)
! Clean map  min=-0.0061983  max=0.27446 Jy/beam
! Writing clean map to FITS file: 1639+230_S.fits
! Writing difmap environment to: 1639+230_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1639+230_S]
device 1639+230_Suv.ps/vps,1,2
! Attempting to open device: '1639+230_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1639+230_Sim.ps/vps
! Attempting to open device: '1639+230_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=2.909 mas, bmaj=4.819 mas, bpa=18.12 degrees
! Estimated noise=0.872676 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.909 x 4.819 at 18.12 degrees (North through East)
! Clean map  min=-0.0061983  max=0.27446 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4-pw]
quit
! Quitting program
! Log file 1639+230_S.log closed on Fri Jun 20 15:08:14 2008