The High Time Resolution Spectrometer (HTRS) aboard the International X-ray Observatory (IXO)

Didier Barret; Laurent Ravera; Pierre Bodin; Carine Amoros; Martin Boutelier; Jean-Michel Glorian; Olivier Godet; Guillaume Orttner; Karine Lacombe; Roger Pons; Damien Rambaud; Pascale Ramon; Souad Ramchoun; Jean-Marc Biffi; Marielle Belasic; Rodolphe Clédassou; Delphine Faye; Benjamin Pouilloux; Christian Motch; Laurent Michel; Peter H. Lechner; Adrian Niculae; Lothar W. Strueder; Giuseppe Distratis; Eckhard Kendziorra; Andréa Santangelo; Christoph Tenzer; Henning Wende; Joern Wilms; Ingo Kreykenbohm; Christian Schmid; Stéphane Paltani; Franck Cadoux; Carlo Fiorini; Luca Bombelli; Mariano Méndez; Sandro Mereghetti

doi:10.1117/12.856955

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29 July 2010 The High Time Resolution Spectrometer (HTRS) aboard the International X-ray Observatory (IXO)

Didier Barret, Laurent Ravera, Pierre Bodin, Carine Amoros, Martin Boutelier, Jean-Michel Glorian, Olivier Godet, Guillaume Orttner, Karine Lacombe, Roger Pons, Damien Rambaud, Pascale Ramon, Souad Ramchoun, Jean-Marc Biffi, Marielle Belasic, Rodolphe Clédassou, Delphine Faye, Benjamin Pouilloux, Christian Motch, Laurent Michel, Peter H. Lechner, Adrian Niculae, Lothar W. Strueder, Giuseppe Distratis, Eckhard Kendziorra, Andréa Santangelo, Christoph Tenzer, Henning Wende, Joern Wilms, Ingo Kreykenbohm, Christian Schmid, Stéphane Paltani, Franck Cadoux, Carlo Fiorini, Luca Bombelli, Mariano Méndez, Sandro Mereghetti

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Proceedings Volume 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray; 77321M (2010) https://doi.org/10.1117/12.856955
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The High Time Resolution Spectrometer (HTRS) is one of the five focal plane instruments of the International X-ray Observatory (IXO). The HTRS is the only instrument matching the top level mission requirement of handling a one Crab X-ray source with an efficiency greater than 10%. It will provide IXO with the capability of observing the brightest X-ray sources of the sky, with sub-millisecond time resolution, low deadtime, low pile-up (less than 2% at 1 Crab), and CCD type energy resolution (goal of 150 eV FWHM at 6 keV). The HTRS is a non-imaging instrument, based on a monolithic array of Silicon Drift Detectors (SDDs) with 31 cells in a circular envelope and a X-ray sensitive volume of 4.5 cm² x 450 μm. As part of the assessment study carried out by ESA on IXO, the HTRS is currently undergoing a phase A study, led by CNES and CESR. In this paper, we present the current mechanical, thermal and electrical design of the HTRS, and describe the expected performance assessed through Monte Carlo simulations.

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Didier Barret, Laurent Ravera, Pierre Bodin, Carine Amoros, Martin Boutelier, Jean-Michel Glorian, Olivier Godet, Guillaume Orttner, Karine Lacombe, Roger Pons, Damien Rambaud, Pascale Ramon, Souad Ramchoun, Jean-Marc Biffi, Marielle Belasic, Rodolphe Clédassou, Delphine Faye, Benjamin Pouilloux, Christian Motch, Laurent Michel, Peter H. Lechner, Adrian Niculae, Lothar W. Strueder, Giuseppe Distratis, Eckhard Kendziorra, Andréa Santangelo, Christoph Tenzer, Henning Wende, Joern Wilms, Ingo Kreykenbohm, Christian Schmid, Stéphane Paltani, Franck Cadoux, Carlo Fiorini, Luca Bombelli, Mariano Méndez, and Sandro Mereghetti "The High Time Resolution Spectrometer (HTRS) aboard the International X-ray Observatory (IXO)", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77321M (29 July 2010); https://doi.org/10.1117/12.856955

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