! Started logfile: 0235+164_X.log on Tue May 13 18:50:43 2008
observe 0235+164_X.edt
! Reading UV FITS file: 0235+164_X.edt
! AN table 1: 13 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.306687 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0235+164
! 
! 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 938 lines of history.
! 
! Reading 2440 visibilities.
![@gonzo8-0.1 0235+164_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 = 8.0
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 139 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 139 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 139 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 139 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.295942Jy  sigma=0.004828
! Fit after  self-cal, rms=0.295849Jy  sigma=0.004829
! 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=0.7968 mas, bmaj=1.138 mas, bpa=12.88 degrees
! Estimated noise=1697.44 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 = 0.971478 Jy
! Total flux subtracted in 50 components = 0.971478 Jy
! Clean residual min=-0.050957 max=0.270932 Jy/beam
! Clean residual mean=-0.000256 rms=0.022342 Jy/beam
! Combined flux in latest and established models = 0.971478 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 0.971478 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.321077Jy  sigma=0.005219
! Fit after  self-cal, rms=0.321077Jy  sigma=0.005219
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.218038 Jy
! Total flux subtracted in 50 components = 0.218038 Jy
! Clean residual min=-0.026416 max=0.077609 Jy/beam
! Clean residual mean=-0.000121 rms=0.009868 Jy/beam
! Combined flux in latest and established models = 1.18952 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 7 components and 1.18952 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.156958Jy  sigma=0.002513
! Fit after  self-cal, rms=0.156951Jy  sigma=0.002513
! 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=0.9214 mas, bmaj=1.343 mas, bpa=11.65 degrees
! Estimated noise=1200.4 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 = 0.101477 Jy
! Component: 100  -  total flux cleaned = 0.148864 Jy
! Total flux subtracted in 100 components = 0.148864 Jy
! Clean residual min=-0.012600 max=0.023834 Jy/beam
! Clean residual mean=-0.000034 rms=0.004422 Jy/beam
! Combined flux in latest and established models = 1.33838 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 26 components and 1.33838 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.100802Jy  sigma=0.001364
! Fit after  self-cal, rms=0.100779Jy  sigma=0.001364
! 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        0.97     FD        1.00     GC        0.94     HH        1.00*    
!   HN        0.99     KK        1.01     KP        0.99     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        0.98     NY        1.06     
!   ON        1.00*    OV        0.98     PT        0.97     SC        1.07     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.99     GC        0.98     HH        1.00*    
!   HN        0.99     KK        1.03     KP        0.99     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.08     
!   ON        1.00*    OV        0.97     PT        0.98     SC        1.08     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.02     GC        0.97     HH        1.00*    
!   HN        0.99     KK        1.03     KP        1.00     LA        0.97     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.09     
!   ON        1.00*    OV        0.98     PT        0.98     SC        1.08     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.00     GC        0.99     HH        1.00*    
!   HN        0.98     KK        1.03     KP        0.99     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.08     
!   ON        1.00*    OV        0.98     PT        0.98     SC        1.12     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.100779Jy  sigma=0.001364
! Fit after  self-cal, rms=0.083921Jy  sigma=0.001074
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9336 mas, bmaj=1.365 mas, bpa=11.41 degrees
! Estimated noise=1186.95 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 = 0.000859805 Jy
! Component: 100  -  total flux cleaned = 0.00111712 Jy
! Total flux subtracted in 100 components = 0.00111712 Jy
! Clean residual min=-0.006287 max=0.007920 Jy/beam
! Clean residual mean=0.000010 rms=0.001598 Jy/beam
! Combined flux in latest and established models = 1.3395 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 34 components and 1.3395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083545Jy  sigma=0.001070
! Fit after  self-cal, rms=0.083562Jy  sigma=0.001070
! 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 = 1.67388e-05 Jy
! Component: 100  -  total flux cleaned = 1.34894e-05 Jy
! Total flux subtracted in 100 components = 1.34894e-05 Jy
! Clean residual min=-0.006272 max=0.007960 Jy/beam
! Clean residual mean=0.000010 rms=0.001582 Jy/beam
! Combined flux in latest and established models = 1.33951 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 39 components and 1.33951 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.083417Jy  sigma=0.001069
! Fit after  self-cal, rms=0.082937Jy  sigma=0.001061
! Inverting map and beam 
! Estimated beam: bmin=0.9328 mas, bmaj=1.366 mas, bpa=11.21 degrees
! Estimated noise=1186.98 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 = 0.000290681 Jy
! Component: 100  -  total flux cleaned = 0.000387482 Jy
! Total flux subtracted in 100 components = 0.000387482 Jy
! Clean residual min=-0.005929 max=0.007843 Jy/beam
! Clean residual mean=0.000008 rms=0.001522 Jy/beam
! Combined flux in latest and established models = 1.3399 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 43 components and 1.3399 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082709Jy  sigma=0.001059
! Fit after  self-cal, rms=0.082713Jy  sigma=0.001059
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0235+164_X
! Writing UV FITS file: 0235+164_X.uvf
! Writing 43 model components to file: 0235+164_X.mod
! wwins: Wrote 1 windows to 0235+164_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9328 x 1.366 at 11.21 degrees (North through East)
! Clean map  min=-0.0057724  max=1.2575 Jy/beam
! Writing clean map to FITS file: 0235+164_X.fits
! Writing difmap environment to: 0235+164_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0235+164_X]
device 0235+164_Xuv.ps/vps,1,2
! Attempting to open device: '0235+164_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0235+164_Xim.ps/vps
! Attempting to open device: '0235+164_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=0.9328 mas, bmaj=1.366 mas, bpa=11.21 degrees
! Estimated noise=1186.98 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.9328 x 1.366 at 11.21 degrees (North through East)
! Clean map  min=-0.0057724  max=1.2575 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0235+164_X.log closed on Tue May 13 18:50:51 2008