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Mapping the Galactic Center Region with GRASP

  • Ph. Durouchoux (a1), G. Bignami (a2), A. Dean (a3), N. Lund (a4), B. McBreen (a5), V. Schonfelder (a6), B. Swanenburg (a7), G. Vedrenne (a8) and C. Winkler (a9)...

Abstract

The GRASP mission (Gamma-ray Astronomy with Spectroscopy and Positioning) is currently under study as an ESA space astronomy mission to be launched in the mid 90's. GRASP is designed as a high quality spectral imager (E/ΔE ≈ 500 at 1 Mev) with positioning to the arc minute level within a large field of view (≈7°) which operates over a wide spectral range (30 Kev-100 Mev) with a 3σ sensitivity of typically 10 mcrab or better over the entire operational range within an observational period of ≈105 seconds. In this paper, we will mainly discuss the capability of the instrument with respect to the study of both point source and diffuse source measurements of the galactic center region.

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