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New results on protons inside the South Atlantic Anomaly, at energies between 40 and 250 MeV in the period 2018-2020, from the CSES-01 satellite mission

Journal
Date Issued
2022
Author(s)
Martucci, Matteo
•
Bartocci, Simona
•
Battiston, Roberto
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Campana, Donatella
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Carfora, Luca
•
Conti, Livio
•
Contin, Andrea
•
De Donato, Cinzia
•
De Santis, Cristian
•
Follega, Francesco Maria
•
Iuppa, Roberto
•
Marcelli, Nadir
•
Masciantonio, Giuseppe
•
Merge, Matteo
•
Oliva, Alberto
•
Osteria, Giuseppe
•
Palma, Francesco
•
•
Perfetto, Francesco
•
Picozza, Piergiorgio
•
Pozzato, Michele
•
Ricci, Ester
•
Ricci, Marco
•
Ricciarini, Sergio Bruno
•
Sahnoun, Zouleikha
•
Scotti, Valentina
•
Sotgiu, Alessandro
•
Sparvoli, Roberta
•
Vitale, Vincenzo
•
Zoffoli, Simona
•
Zuccon, Paolo
DOI
Abstract
The High-Energy Particle Detector (HEPD) on board the China Seismo-Electromagnetic Satellite (CSES-01) was launched in February 2018, with a foreseen mission lifetime of over 5 years. It is providing crucial new insight in the physical dynamics of the radiation belts in the Earth’s magnetosphere, in particular in the South Atlantic Anomaly (SAA). In this work, proton data from HEPD in the 40 MeV–250 MeV energy range, collected inside the SAA during the period between August 2018 and December 2020, are presented and compared with the up-to-date AP9 model by NASA. These are the first results on SAA protons at Low-Earth Orbit during the minimum activity phase between the 24th and the 25th solar cycles below 250 MeV. They enable an extensive testing and validation of current theoretical and empirical models aimed at predictions of temporal changes in this critical region of space. HEPD is advancing the observations collected by the PAMELA space experiment and NASA Van Allen Probe during the last 15 years through the 23rd and 24th solar cycles.
Uri
Url
Issn Identifier
2470-0010
Rights
open.access
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