A comparison of trapped particle models in low Earth orbit

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Authors

ŘÍPA Jakub DILILLO Giuseppe CAMPANA Riccardo GALGÓCZI Gábor

Year of publication 2020
Type Article in Proceedings
Conference Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 114443P
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1117/12.2561011
Doi http://dx.doi.org/10.1117/12.2561011
Keywords x-ray and gamma rays; CubeSats; constellation of small satellites; radiation belts; solid-state sensors; radiation damage
Description Space radiation is well-known to pose serious issues to solid-state high-energy sensors. Therefore, radiation models play a key role in the preventive assessment of the radiation damage, duty cycles, performance and lifetimes of detectors. In the context of HERMES-SP mission we present our investigation of AE8/AP8 and AE9/AP9 specifications of near-Earth trapped radiation environment. We consider different circular Low-Earth orbits. Trapped particles fluxes are obtained, from which maps of the radiation regions are computed, estimating duty cycles at different flux thresholds. Outcomes are also compared with published results on in-situ measurements. This study is done on behalf of the HERMES-SP collaboration.
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