Re: looking for image deconvolution info

From: John E. Davis (davis@space.mit.edu)
Date: Mon Nov 19 2001 - 16:45:50 EST


Eric Perlman <perlman@jca.umbc.edu> wrote:
>I'm a bit lost here: how do you propose I modify my PSF file for pile-up?
>Also it seems to me that doing things this way would force one into assuming
>that all sources have exactly the same fraction of piled-up pohtons. This
>isn't the case in my data: there are four sources affected by pile-up, with
>fluxes (and presumably piled-up fractions) that vary by about a factor 4.

Are these point sources? If so, why not create a pha spectrum for
each of the point sources and analyse the result using the pileup
model in recent versions of isis, sherpa, or xspec?

--John



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