High-latitude atmospheric emissions during November 9, 2017 IPDP event

N. A. Zolotukhina; N. M. Polekh; V. I. Kurkin; A. B. Beletsky; A. V. Oinats

doi:10.1117/12.2602686

15 December 2021 High-latitude atmospheric emissions during November 9, 2017 IPDP event

N. A. Zolotukhina, N. M. Polekh, V. I. Kurkin, A. B. Beletsky, A. V. Oinats

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119167D (2021) https://doi.org/10.1117/12.2602686
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

Spectral-polarization analysis of interval of pulsations of diminishing periods (IPDP), observed on November 9, 2017 at Istok observatory have been carried out. Pulsation characteristics calculated from five-minute sets of magnetic data are compared with changes in the intensities of 486.1, 557.7, and 630.0 nm emissions in the north, south, east, west, and zenith directions as well as with all-sky camera images and keograms made at the same wavelengths. It is shown that the frequency of the pulsations increased when regions of the intensified emissions expanded toward the equator. A possible relationship between the appearance of east-west elongated auroral arcs and the IPDP spectral composition is considered.

Citation Download Citation

N. A. Zolotukhina, N. M. Polekh, V. I. Kurkin, A. B. Beletsky, and A. V. Oinats "High-latitude atmospheric emissions during November 9, 2017 IPDP event", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119167D (15 December 2021); https://doi.org/10.1117/12.2602686

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