An innovative architecture for a wide band transient monitor on board the HERMES nano-satellite constellation

Date Issued
2020
Author(s)
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Gandola, M.
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Grassi, M.
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Mele, F.
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Demenev, E.
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Bertuccio, G.
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Malcovati, P.
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Bellutti, P.
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Borghi, G.
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Dilillo, G.
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Ficorella, F.
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Pauletta, G.
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Picciotto, A.
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Rashevskaya, I.
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Rachevski, A.
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Vacchi, A.
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Zampa, G.
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Zampa, N.
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Zorzi, N.
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Chen, T.
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Gao, N.
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Cao, J.
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Xu, Y.
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Wang, L.
DOI
Abstract
The HERMES-TP/SP mission, based on a nanosatellite constellation, has very stringent constraints of sensitivity and compactness, and requires an innovative wide energy range instrument. The instrument technology is based on the "siswich" concept, in which custom-designed, low-noise Silicon Drift Detectors are used to simultaneously detect soft X-rays and to readout the optical light produced by the interaction of higher energy photons in GAGG:Ce scintillators. To preserve the inherent excellent spectroscopic performances of SDDs, advanced readout electronics is necessary. In this paper, the HERMES detector architecture concept will be described in detail, as well as the specifically developed front-end ASICs (LYRA-FE and LYRA-BE) and integration solutions. The experimental performance of the integrated system composed by scintillator+SDD+LYRA ASIC will be discussed, demonstrating that the requirements of a wide energy range sensitivity, from 2 keV up to 2 MeV, are met in a compact instrument.
Coverage
Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
All editors
den Herder, Jan-Willem A.; Nikzad, Shouleh; Nakazawa, Kazuhiro
Series
Start page
167
Conferenece
Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
Conferenece place
California, United States
Conferenece date
14-18 December, 2020
Uri
Url
Issn Identifier
0277-786X
Ads BibCode
2020SPIE11444E..1SF
Rights
open.access
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