The LOFT wide field monitor simulator

Immacolata Donnarumma; Yuri Evangelista; Riccardo Campana; Jean  In't Zand; Marco Feroci; Niels Lund; Søren Brandt; Jörn Wilms; Christian Schmid

doi:10.1117/12.926254

17 September 2012 The LOFT wide field monitor simulator

Immacolata Donnarumma; Yuri Evangelista; Riccardo Campana; Jean In't Zand; Marco Feroci; Niels Lund; Søren Brandt; Jörn Wilms; Christian Schmid;

Author Affiliations +

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 84435Q (2012) https://doi.org/10.1117/12.926254
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

We present the simulator we developed for the Wide Field Monitor (WFM) aboard the Large Observatory For Xray Timing (LOFT) mission, one of the four ESA M3 candidate missions considered for launch in the 2022–2024 timeframe. The WFM is designed to cover a large FoV in the same bandpass as the Large Area Detector (LAD, almost 50% of its accessible sky in the energy range 2–50 keV), in order to trigger follow-up observations with the LAD for the most interesting sources. Moreover, its design would allow to detect transient events with fluxes down to a few mCrab in 1-day exposure, for which good spectral and timing resolution would be also available (about 300 eV FWHM and 10 μs, respectively). In order to investigate possible WFM configurations satisfying these scientific requirements and assess the instrument performance, an end-to-end WFM simulator has been developed. We can reproduce a typical astrophysical observation, taking into account both mask and detector physical properties. We will discuss the WFM simulator architecture and the derived instrumental response.

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Immacolata Donnarumma, Yuri Evangelista, Riccardo Campana, Jean In't Zand, Marco Feroci, Niels Lund, Søren Brandt, Jörn Wilms, Christian Schmid, "The LOFT wide field monitor simulator", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84435Q (17 September 2012); doi: 10.1117/12.926254; https://doi.org/10.1117/12.926254

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