14 September 2018 The wide field monitor and spectrometer instrument on board the ASTENA satellite mission concept
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The ASTENA mission concept under study in the framework of the H2020 AHEAD project includes a wide field monitor and spectrometer (WFM/S), mainly dedicated to GRBs. The instrument, composed by different units, is sensitive in the range 1 keV – 20 MeV. The total isotropic detection area will be ~3.0 m2 with a FOV of about 1.35 sr. The WFM will allow the detection and spectroscopic and polarimetric characterization of all classes of GRBs. Each module is a coded mask telescope that will allow the source localization within few arcmin up to 50–100 keV. The detector core is based on the coupling of low-noise, solid-state Silicon Drift Detectors (SDDs) with CsI(Tl) scintillator bars. Low-energy and highenergy photons are discriminated using the on-board electronics. The instrument design and preliminary experimental characterizations are reported and discussed.
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F. Fuschino, R. Campana, E. Caroli, L. Amati, G. De Cesare, C. Labanti, M. Orlandini, E. Virgili, P. Rosati, and F. Frontera "The wide field monitor and spectrometer instrument on board the ASTENA satellite mission concept", Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray, 106995Z (14 September 2018); doi: 10.1117/12.2314473; https://doi.org/10.1117/12.2314473


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