Optical observations of magnetospheric activity manifestation in the plasmopause vicinity

S. G. Parnikov; I. B. S. Ievenko

doi:10.1117/12.2540594

18 December 2019 Optical observations of magnetospheric activity manifestation in the plasmopause vicinity

S. G. Parnikov, I. B. S. Ievenko

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1120892 (2019) https://doi.org/10.1117/12.2540594
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

Example of the N₂⁺ molecular bands luminosity pulsations photometric registration at the SAR arc latitudes at the Yakutsk meridian are considered. It is shown that the pulsations have a close connection with the diffuse aurora and the red arc dynamics. Thus, the rise and fall of the 427.8 nm background emission is associated with the brightness and attenuation of the diffuse aurora. The beginning and end of the pulsating variations, synchronously with the beginning of the SAR arc formation and disappearance. It is supposed that the observed variations in the intensity of luminescence reflect the pulsating precipitation of energetic particles of a ring current from the region of the outer plasmasphere.

Citation Download Citation

S. G. Parnikov and I. B. S. Ievenko "Optical observations of magnetospheric activity manifestation in the plasmopause vicinity", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120892 (18 December 2019); https://doi.org/10.1117/12.2540594

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