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Proceedings Paper

Simulations of the x-ray imaging capabilities of the silicon drift detectors (SDD) for the LOFT wide-field monitor
Author(s): Y. Evangelista; R. Campana; E. Del Monte; I. Donnarumma; M. Feroci; F. Muleri; L. Pacciani; P. Soffitta; A. Rachevski; A. Vacchi; G. Zampa; N. Zampa; S. Suchy ; S. Brandt; C. Budtz-Jørgensen; M. Hernanz
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Paper Abstract

The Large Observatory For X-ray Timing (LOFT), selectyed by ESA as one of the four Cosmic Visiion M3 candidate missions to undergo an assessment phase, will revolutionize the study of compact objects in our galaxy and of the brightest supermassive black holes in active galactic nuclei. The Large Area Detector (LAD), carrying an unprecedented effective area of 10 m2, is complemented by a coded-mask Wide Field Monitor, in charge of monitoring a large fraction of the sky potentially accesesible to the LAD, to provide the history and context for the sources observed by LAD and to trigger its observations on their most interesting and extreme states. In this paper we present detailed simulations of the imaging capabilities of the Silicon Drift Detectors developed for the LOFT Wide Field Monitor detection plane. The simulations explore a large parameter space for both the detector design and the environmental conditions, allowing us to optimize the detector characteristcs and demonstrating the X-ray imaging performance of the large-area SDDs in the 2-50 keV energy band.

Paper Details

Date Published: 17 September 2012
PDF: 10 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84435P (17 September 2012); doi: 10.1117/12.926000
Show Author Affiliations
Y. Evangelista, INAF/IAPS Roma (Italy)
INFN (Italy)
R. Campana, INAF/IAPS Roma (Italy)
INFN (Italy)
E. Del Monte, INAF/IAPS Roma (Italy)
INFN (Italy)
I. Donnarumma, INAF/IAPS Roma (Italy)
M. Feroci, INAF/IAPS Roma (Italy)
INFN (Italy)
F. Muleri, INAF/IAPS Roma (Italy)
INFN (Italy)
L. Pacciani, INAF/IAPS Roma (Italy)
INFN (Italy)
P. Soffitta, INAF/IAPS Roma (Italy)
INFN (Italy)
A. Rachevski, INFN (Italy)
A. Vacchi, INFN (Italy)
G. Zampa, INFN (Italy)
N. Zampa, INFN (Italy)
S. Suchy , Institute for Astronomy and Astrophysics, Eberhard Karls Univ. Tuebingen (Germany)
S. Brandt, DTU Space (Denmark)
C. Budtz-Jørgensen, DTU Space (Denmark)
M. Hernanz, Consejo Superior de Investigaciones Científicas (Spain)

Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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