The x-ray camera of the EXIST/SXI telescope

Michela Uslenghi; Mauro Fiorini; Sandro Mereghetti; Gabriele E. Villa; Angela Bazzano; Patrizia A. Caraveo; Carlo E. Fiorini; Jonathan E. Grindlay; Lorenzo Natalucci; Giovanni Pareschi; Gianpiero Tagliaferri; Pietro Ubertini

doi:10.1117/12.857217

29 July 2010 The x-ray camera of the EXIST/SXI telescope

Michela Uslenghi, Mauro Fiorini, Sandro Mereghetti, Gabriele E. Villa, Angela Bazzano, Patrizia A. Caraveo, Carlo E. Fiorini, Jonathan E. Grindlay, Lorenzo Natalucci, Giovanni Pareschi, Gianpiero Tagliaferri, Pietro Ubertini

Author Affiliations +

Proceedings Volume 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray; 77324B (2010) https://doi.org/10.1117/12.857217
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The Energetic X-ray Imaging Survey Telescope (EXIST) mission, submitted to the Decadal Survey, is a multiwavelength observatory mainly devoted to the study of Super Massive Black Holes, Gamma Ray Bursts and other transient sources. The set of instruments foreseen for EXIST includes a soft x-ray telescope (SXI), proposed as a contribution of the Italian Space Agency (ASI). We present the baseline design of the X-Ray camera for SXI telescope, that we have finalized under ASI contract. The camera is based on a focal plane detector consisting of a 450 μm thick silicon pixel sensor sensitive, with high QE, in the full SXI range (0.1-10 KeV), and capable of high energy resolution when operated in photon counting mode (E/dE ~ 47 at 6 keV), frame rate ~ 100-200 frames/s (enabling timing in the ms range), and spatial resolution matching the optical characteristics of the mirror module. We provide an overview of the mechanical, thermal and electrical concept of the camera.

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Michela Uslenghi, Mauro Fiorini, Sandro Mereghetti, Gabriele E. Villa, Angela Bazzano, Patrizia A. Caraveo, Carlo E. Fiorini, Jonathan E. Grindlay, Lorenzo Natalucci, Giovanni Pareschi, Gianpiero Tagliaferri, and Pietro Ubertini "The x-ray camera of the EXIST/SXI telescope", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77324B (29 July 2010); https://doi.org/10.1117/12.857217

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