Maximum-Entropy analysis of EGRET data

Details Maximum-Entropy analysis of EGRET data Maximum-Entropy analysis of EGRET data

1997-06-16

arxiv.org/abs/astro-ph/9706152v1

Astronomy and Astrophysics

Astrophysics

5 pages, Proceedings of the 4th Compton Symposium

Scientific paper

10.1063/1.54075

EGRET data are usually analysed on the basis of the Maximum-Likelihood method \cite{ma96} in a search for point sources in excess to a model for the background radiation (e.g. \cite{hu97}). This method depends strongly on the quality of the background model, and thus may have high systematic uncertainties in region of strong and uncertain background like the Galactic Center region. Here we show images of such regions obtained by the quantified Maximum-Entropy method. We also discuss a possible further use of MEM in the analysis of problematic regions of the sky.

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