Possible electron precipitation effects in the night time mid-latitude atmosphere

L. A. Leonovich; A. V. Tashchilin; V. A. Leonovich; G. K. Matafonov

doi:10.1117/12.2205703

19 November 2015 Possible electron precipitation effects in the night time mid-latitude atmosphere

L. A. Leonovich, A. V. Tashchilin, V. A. Leonovich, G. K. Matafonov

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96806G (2015) https://doi.org/10.1117/12.2205703
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

We studied the 557,7 and 630-nm atomic oxygen emission responses to the solar wind sharp variations caused by shocks. For the analysis, were used optical and geomagnetic data for the Eastern Siberia and interplanetary magnetic field and solar wind data. The considered emission intensity was found to increase for some cases, whereas, in other cases, there were no responses during sharp variations in solar wind plasma speed and density. The presence or absence of the responses in the emissions was shown to be not related to the disturbance amplitude of the solar wind parameters. We suggested that the emission intensity increase might be caused by electron precipitation from the magnetic trap during the interaction between the solar wind shock and the magnetosphere.

Citation Download Citation

L. A. Leonovich, A. V. Tashchilin, V. A. Leonovich, and G. K. Matafonov "Possible electron precipitation effects in the night time mid-latitude atmosphere", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96806G (19 November 2015); https://doi.org/10.1117/12.2205703

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