! Started logfile: 1451-400_S.log on Fri Jun 20 12:18:09 2008
observe 1451-400_S.edt
! Reading UV FITS file: 1451-400_S.edt
! AN table 1: 24 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.0364035 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1451-400
! 
! 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 664 visibilities.
![@gonzo6-0.4-pw 1451-400_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 423 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 423 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 423 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 423 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.585038Jy  sigma=8.335769
! Fit after  self-cal, rms=0.585047Jy  sigma=8.335762
! 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=2.4 mas, bmaj=7.6 mas, bpa=-1.998 degrees
! Estimated noise=3.31729 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 = 0.329056 Jy
! Total flux subtracted in 50 components = 0.329056 Jy
! Clean residual min=-0.062147 max=0.114335 Jy/beam
! Clean residual mean=-0.002491 rms=0.020497 Jy/beam
! Combined flux in latest and established models = 0.329056 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 0.329056 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.305101Jy  sigma=4.302337
! Fit after  self-cal, rms=0.305222Jy  sigma=4.301810
! 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=3.05 mas, bmaj=9.368 mas, bpa=-1.054 degrees
! Estimated noise=2.51966 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 = 0.152662 Jy
! Component: 100  -  total flux cleaned = 0.221011 Jy
! Total flux subtracted in 100 components = 0.221011 Jy
! Clean residual min=-0.058005 max=0.107325 Jy/beam
! Clean residual mean=-0.001025 rms=0.020525 Jy/beam
! Combined flux in latest and established models = 0.550067 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 20 components and 0.550067 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.233085Jy  sigma=2.715525
! Fit after  self-cal, rms=0.232974Jy  sigma=2.713313
! 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 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00     LA        0.91     
!   MA        1.00*    MC        1.00*    MK        1.09     NL        1.40     
!   NY        1.00*    ON        1.00*    OV        1.11     PT        0.78     
!   SC        1.22     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.85     LA        0.83     
!   MA        1.00*    MC        1.00*    MK        1.35     NL        1.79     
!   NY        1.00*    ON        1.00*    OV        1.09     PT        0.89     
!   SC        1.30     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.07     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.99     LA        0.77     
!   MA        1.00*    MC        1.00*    MK        1.01     NL        1.82     
!   NY        1.00*    ON        1.00*    OV        1.26     PT        0.82     
!   SC        1.74     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.98     LA        0.71     
!   MA        1.00*    MC        1.00*    MK        0.94     NL        1.76     
!   NY        1.00*    ON        1.00*    OV        1.25     PT        0.91     
!   SC        1.22     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.232974Jy  sigma=2.713313
! Fit after  self-cal, rms=0.224264Jy  sigma=1.807242
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.906 mas, bmaj=10.86 mas, bpa=-13.81 degrees
! Estimated noise=2.97981 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 (-58.8, 100.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.038977 Jy
! Component: 100  -  total flux cleaned = 0.0378932 Jy
! Total flux subtracted in 100 components = 0.0378932 Jy
! Clean residual min=-0.029988 max=0.039328 Jy/beam
! Clean residual mean=-0.000363 rms=0.009257 Jy/beam
! Combined flux in latest and established models = 0.58796 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 34 components and 0.58796 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209111Jy  sigma=1.664178
! Fit after  self-cal, rms=0.208150Jy  sigma=1.614091
! 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 (-8.8, 4.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0190322 Jy
! Component: 100  -  total flux cleaned = 0.0156541 Jy
! Total flux subtracted in 100 components = 0.0156541 Jy
! Clean residual min=-0.021176 max=0.033705 Jy/beam
! Clean residual mean=-0.000211 rms=0.007547 Jy/beam
! Combined flux in latest and established models = 0.603614 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 46 components and 0.603614 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.197785Jy  sigma=1.550407
! Fit after  self-cal, rms=0.166590Jy  sigma=1.471143
! Inverting map and beam 
! Estimated beam: bmin=3.883 mas, bmaj=10.79 mas, bpa=-13.29 degrees
! Estimated noise=2.91802 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 = 0.0134676 Jy
! Component: 100  -  total flux cleaned = 0.0116808 Jy
! Total flux subtracted in 100 components = 0.0116808 Jy
! Clean residual min=-0.016880 max=0.027989 Jy/beam
! Clean residual mean=-0.000063 rms=0.005634 Jy/beam
! Combined flux in latest and established models = 0.615295 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 56 components and 0.615295 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160366Jy  sigma=1.419605
! Fit after  self-cal, rms=0.158916Jy  sigma=1.393713
! Inverting map 
! Added new window around map position (10, 40.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0221401 Jy
! Component: 100  -  total flux cleaned = 0.0248773 Jy
! Total flux subtracted in 100 components = 0.0248773 Jy
! Clean residual min=-0.014418 max=0.017456 Jy/beam
! Clean residual mean=0.000037 rms=0.004410 Jy/beam
! Combined flux in latest and established models = 0.640173 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 67 components and 0.640173 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.154369Jy  sigma=1.348859
! Fit after  self-cal, rms=0.154048Jy  sigma=1.341310
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1451-400_S
! Writing UV FITS file: 1451-400_S.uvf
! Writing 67 model components to file: 1451-400_S.mod
! wwins: Wrote 4 windows to 1451-400_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.883 x 10.79 at -13.29 degrees (North through East)
! Clean map  min=-0.023886  max=0.37401 Jy/beam
! Writing clean map to FITS file: 1451-400_S.fits
! Writing difmap environment to: 1451-400_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1451-400_S]
device 1451-400_Suv.ps/vps,1,2
! Attempting to open device: '1451-400_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1451-400_Sim.ps/vps
! Attempting to open device: '1451-400_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=3.883 mas, bmaj=10.79 mas, bpa=-13.29 degrees
! Estimated noise=2.91802 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.883 x 10.79 at -13.29 degrees (North through East)
! Clean map  min=-0.023886  max=0.37401 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4-pw]
quit
! Quitting program
! Log file 1451-400_S.log closed on Fri Jun 20 12:18:16 2008