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Induced proton precipitations from the inner radiation belt registered in Oceania

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1. Title Title of document Induced proton precipitations from the inner radiation belt registered in Oceania
2. Creator Author's name, affiliation, country E. A. Ginzburg; Fedorov Institute of Applied Geophysics, Roshydromet; Russian Federation
2. Creator Author's name, affiliation, country M. D. Zinkina; Fedorov Institute of Applied Geophysics, Roshydromet; Russian Federation
2. Creator Author's name, affiliation, country Yu. V. Pisanko; Fedorov Institute of Applied Geophysics, Roshydromet; Moscow Institute of Physics and Technology (National Research University); Russian Federation
3. Subject Discipline(s)
3. Subject Keyword(s) the inner radiation belt; proton and electron precipitation; mobile ionospheric heater
4. Description Abstract

Detected were induced proton precipitations from the inner radiation belt went with almost a half (11) of 25 anomalous electron events registered onboard “Meteor-M №2” satellite in 2014−2022 in Oceania at low latitudes in the morning hours of local time under quiet geomagnetic conditions. It is surmised that such proton precipitations could be a manifestation of cyclotron resonance between protons and low frequency electromagnetic waves stimulated by a mobile ionospheric heater. Observed effects in anomalous electron events, which could be interpreted in the framework of a mobile ionospheric heater concept, are also discussed.

5. Publisher Organizing agency, location The Russian Academy of Sciences
6. Contributor Sponsor(s)
7. Date (DD-MM-YYYY) 30.05.2025
8. Type Status & genre Peer-reviewed Article
8. Type Type Research Article
9. Format File format
10. Identifier Uniform Resource Identifier https://ter-arkhiv.ru/0016-7940/article/view/684617
10. Identifier Digital Object Identifier (DOI) 10.31857/S0016794025010052
10. Identifier eLIBRARY Document Number (EDN) AEHIQH
11. Source Title; vol., no. (year) Geomagnetizm i aèronomiâ; Vol 65, No 1 (2025)
12. Language English=en ru
13. Relation Supp. Files Fig. 1. Relative frequency of occurrence of protons in the D4 channel registered in 25 anomalous events. (60KB)
Fig. 2. Examples of events when proton emissions were observed in the readings of channel D4 (08/15/2016, 20:59:27− 21:07:27 UT) (graphs (a) and (b)) and when no emissions were observed (11/22/2019, 20:59:45-21:07:03 UT) (graphs (b) and (d)). The value of the Mcilwein parameter (L) along the satellite trajectory is plotted along the abscissa axis on all graphs “Meteor-M No. 2”, along the ordinate axes on the upper graphs of the flux intensity, on the lower ones – the number of protons recorded in channel D4 for 6 s. Graphs (a) and (b) are readings of the Cherenkov counter, taken as a sign of an event. (189KB)
Fig. 3. The results of the model calculation of the dependence of the magnetic field on the magnetic latitude for the superposition of a dipole and a solenoid (solid line) and a dipole (dotted line). In the model case under consideration, the stand was placed on the magnetic equator. (57KB)
Fig. 4. Readings of the HALS sensors for the event of 9.07.2017 On the axis of the abscissa is the geographical latitude in degrees, on the axis of the ordinate is the intensity. The magnetic equator for the event in question is located at ~6o N. (112KB)
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
15. Rights Copyright and permissions Copyright (c) 2025 Russian Academy of Sciences