Dynamics of high-energy protons in the inner radiation belt during the 24th solar cycle on the data of the ARINA and VSPLESK low-orbit experiments.
Abstract
Results of analysis of the inner radiation belt proton fluxes obtained in ARINA and VSPLESK satellite experiments are presented in this report The ARINA experiment is carried out on board the Russian low-orbit spacecraft Resurs-DK1 (altitude ∼600 km, inclination 70°, since 2006 till 2016). The VSPLESK experiment was fulfilled on board the International Space Station (altitude ~400 km, inclination 52°, since 2008 till 2013). The instruments register high-energy electrons and protons with energy range 3-30 MeV for electrons and 30-100 MeV for protons. The spectrometers allow measuring the particle energy with resolution 10% and angular resolution 7°. In this work the distribution of proton flux in the inner radiation belt (1.15<L<2.0) was analyzed during the decreasing part of the 23rd solar cycle and main part of the 24th one. It is observed that the proton intensity depends on the solar cycle phase (the minimum intensity value is in the solar maximum and vice versa) and varies 2-7 times for different L-shells.
- Publication:
-
41st COSPAR Scientific Assembly
- Pub Date:
- July 2016
- Bibcode:
- 2016cosp...41E..58A