RE: Minimum spanning circles and Voronoi diagrams

[Chris Albertson <chrisalbertson90278@yahoo.com>]

--- Tom Droege <tdroege2@earthlink.net> wrote:


> ...go through the real data.  Try to fit the psf.
> Note that this is we are doing in the first pass star
> finding.  At this point, I would
> just 
> throw out the stars that do not fit the psf well.  This would
> indicate 
> blended stars and the like.

No, that's one of the best features of PSF fitting.  You can
de-blend stars.  First you subtract a PSF from the blend
and then you try and fit a PSF to the remainder.  I think
daophot tries hard to do this using various combinations of
fits until PSF subtraction yeilds some kind of minima.


=====
Chris Albertson 
  Home:   310-376-1029  chrisalbertson90278@yahoo.com
  Cell:   310-990-7550
  Office: 310-336-5189  Christopher.J.Albertson@aero.org

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