Skymapping with OSSE via the Mean Field Annealing Pixon Technique

Details Skymapping with OSSE via the Mean Field Annealing Pixon Technique Skymapping with OSSE via the Mean Field Annealing Pixon Technique

1997-03-07

arxiv.org/abs/astro-ph/9703042v1

Astronomy and Astrophysics

Astrophysics

15 pages, 4 Postscript figs, AASTeX, uses psfig and epsf. To appear in the Astrophysical Journal, vol. 484

Scientific paper

10.1086/304347

We present progress toward using scanned OSSE observations for mapping and sky survey work. To this end, we have developed a technique for detecting pointlike sources of unknown number and location, given that they appear in a background which is relatively featureless or which can be modeled. The technique, based on the newly developed concept and mean field annealing, is described, with sample reconstructions of data from the OSSE Virgo Survey. The results demonstrate the capability of reconstructing source information without any a priori information about the number and/or location of pointlike sources in the field-of-view.

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