24 July 2014 Instrumental and scientific simulations of the LOFT wide field monitor
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Abstract
The Large Observatory for X-ray Timing (LOFT) is one of the five candidates that were considered by ESA as an M3 mission (with launch in 2022-2024). It is specifically designed to exploit the diagnostics of very rapid X-ray flux and spectral variability that directly probe the motion of matter down to distances very close to black holes and neutron stars, as well as the physical state of ultradense matter. The LOFT scientific payload is composed of the Large Area Detector (LAD), devoted to spectral-timing observation, and the Wide Field Monitor (WFM), whose primary goal it is to monitor the X-ray sky for transient events that need to be followed up with the LAD, and to measure the long-term variability of galactic X-ray sources and localize gamma-ray bursts. Here we describe the simulations carried out to optimize the WFM design and to characterize the instrument response to both isolated sources and crowded fields in the proximity of the galactic bulge.
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Y. Evangelista, Y. Evangelista, I. Donnarumma, I. Donnarumma, R. Campana, R. Campana, C. Schmid, C. Schmid, M. Feroci, M. Feroci, } "Instrumental and scientific simulations of the LOFT wide field monitor", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914468 (24 July 2014); doi: 10.1117/12.2055772; https://doi.org/10.1117/12.2055772
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