! Started logfile: 2155-304_S.log on Wed May  7 16:12:56 2008
observe 2155-304_S.edt
! Reading UV FITS file: 2155-304_S.edt
! AN table 1: 22 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0246583 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 2155-304
! 
! 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 955 lines of history.
! 
! Reading 332 visibilities.
![@gonzo6-0.4-pw 2155-304_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 = 6.0
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 379 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 385 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 387 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 379 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.666357Jy  sigma=0.006116
! Fit after  self-cal, rms=0.659303Jy  sigma=0.006328
! 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=3.713 mas, bmaj=11.92 mas, bpa=4.879 degrees
! Estimated noise=11970.4 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 = 0.269286 Jy
! Total flux subtracted in 50 components = 0.269286 Jy
! Clean residual min=-0.051815 max=0.075218 Jy/beam
! Clean residual mean=-0.000009 rms=0.017067 Jy/beam
! Combined flux in latest and established models = 0.269286 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.269286 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.109208Jy  sigma=0.001037
! Fit after  self-cal, rms=0.109204Jy  sigma=0.001037
! 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=4.28 mas, bmaj=13.71 mas, bpa=4.7 degrees
! Estimated noise=9349.73 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 = 0.0619047 Jy
! Component: 100  -  total flux cleaned = 0.0883287 Jy
! Total flux subtracted in 100 components = 0.0883287 Jy
! Clean residual min=-0.021831 max=0.023406 Jy/beam
! Clean residual mean=-0.000040 rms=0.006992 Jy/beam
! Combined flux in latest and established models = 0.357615 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 11 components and 0.357615 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072235Jy  sigma=0.000673
! Fit after  self-cal, rms=0.072194Jy  sigma=0.000673
! 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        1.01     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.91     LA        1.10     
!   MC        1.00*    MK        1.00*    NL        0.87     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        0.92     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.07     KK        1.00*    KP        0.94     LA        1.05     
!   MC        1.00*    MK        1.00*    NL        0.75     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.79     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.20     KK        1.00*    KP        0.94     LA        1.08     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.08     KK        1.00*    KP        0.95     LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.00*    SC        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.072194Jy  sigma=0.000673
! Fit after  self-cal, rms=0.059564Jy  sigma=0.000570
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.407 mas, bmaj=18.97 mas, bpa=-0.9314 degrees
! Estimated noise=10659.8 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 = 0.0062324 Jy
! Component: 100  -  total flux cleaned = 0.00641649 Jy
! Total flux subtracted in 100 components = 0.00641649 Jy
! Clean residual min=-0.017737 max=0.016182 Jy/beam
! Clean residual mean=-0.000005 rms=0.005482 Jy/beam
! Combined flux in latest and established models = 0.364031 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 21 components and 0.364031 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.058693Jy  sigma=0.000564
! Fit after  self-cal, rms=0.058940Jy  sigma=0.000562
! 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 = 0.000639083 Jy
! Component: 100  -  total flux cleaned = 0.000641682 Jy
! Total flux subtracted in 100 components = 0.000641682 Jy
! Clean residual min=-0.017383 max=0.015872 Jy/beam
! Clean residual mean=-0.000005 rms=0.005341 Jy/beam
! Combined flux in latest and established models = 0.364673 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 27 components and 0.364673 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.058544Jy  sigma=0.000559
! Fit after  self-cal, rms=0.056895Jy  sigma=0.000541
! Inverting map and beam 
! Estimated beam: bmin=4.391 mas, bmaj=19 mas, bpa=-0.9808 degrees
! Estimated noise=10637.7 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 = 0.00357156 Jy
! Component: 100  -  total flux cleaned = 0.00370536 Jy
! Total flux subtracted in 100 components = 0.00370536 Jy
! Clean residual min=-0.016502 max=0.015725 Jy/beam
! Clean residual mean=0.000002 rms=0.005102 Jy/beam
! Combined flux in latest and established models = 0.368378 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 28 components and 0.368378 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.056498Jy  sigma=0.000538
! Fit after  self-cal, rms=0.056556Jy  sigma=0.000538
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 2155-304_S
! Writing UV FITS file: 2155-304_S.uvf
! Writing 28 model components to file: 2155-304_S.mod
! wwins: Wrote 1 windows to 2155-304_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.391 x 19 at -0.9808 degrees (North through East)
! Clean map  min=-0.016187  max=0.33007 Jy/beam
! Writing clean map to FITS file: 2155-304_S.fits
! Writing difmap environment to: 2155-304_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 2155-304_S]
device 2155-304_Suv.ps/vps,1,2
! Attempting to open device: '2155-304_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 2155-304_Sim.ps/vps
! Attempting to open device: '2155-304_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=4.391 mas, bmaj=19 mas, bpa=-0.9808 degrees
! Estimated noise=10637.7 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.391 x 19 at -0.9808 degrees (North through East)
! Clean map  min=-0.016187  max=0.33007 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4-pw]
quit
! Quitting program
! Log file 2155-304_S.log closed on Wed May  7 16:13:00 2008