Publication: Proton flux variations in the inner radiation belt in solar cycle 24
Дата
2021
Авторы
Aleksandrin, S. Yu.
Galper, A. M.
Koldashov, S. V.
Malakhov, V. V.
Mikhailov, V. V.
Zharaspayev, T. R.
Михайлов, Владимир Владимирович
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© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)This report presents the results of analysis of proton flux variations in the inner radiation belt obtained by ARINA spectrometer. The ARINA satellite experiment was carried out on board the Russian low-orbit satellite Resurs-DK1 (altitude 350-600 km, inclination 70o) from 2006 till 2016. The spectrometer registered high-energy protons (30-100 MeV) with energy resolution of 10 % and angular resolution of 7o. In this work proton flux variations in the inner radiation belt (L=1.14, B=0.20 G) were analyzed with solar index F10.7 in various phases of the 24th solar cycle. Proton flux anticorrelates with F10.7 index (coefficient correlation -0.95) and its value varies 5-7 times. Time lag between proton flux and F10.7 index was found to be 5-6 months for total period (2006-2016) and it can decrease to 2-3 months in some periods of the 24th solar cycle.
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Proton flux variations in the inner radiation belt in solar cycle 24 / Aleksandrin, S.Yu. [et al.] // Proceedings of Science. - 2021. - 358. - 10.22323/1.358.1049