Re: positions and uncertainties for point sources

From: Francesco Damiani (damiani@oapa23.astropa.unipa.it)
Date: Tue Jul 31 2001 - 14:31:07 EDT


>1. Is anyone aware of documentation explaining how celldetect
> or wavdetect) make their final determination of positions?
> Some of the positions I get look pretty bad.

If you are unhappy with celldetect or wavdetect, my suggestion is
to try to use pwdetect, now available from the CXC software exchange page.
It gives a 1-sigma positional error, no error ellipses.
Existing documentation is referenced in the pwdetect www page.

Francesco Damiani



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