Maximum-Entropy analysis of EGRET data
Martin Pohl
Abstract
EGRET data are usually analysed on the basis of the Maximum-Likelihood method ma96 in a search for point sources in excess to a model for the background radiation (e.g. 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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