Open AccessSpectral and photometric characteristics of mid-latitude auroras during the magnetic storm of March 17, 2015
Author(s) -
А. В. Михалев,
А. В. Михалев,
Aleksandr Beletsky,
Aleksandr Beletsky,
Роман Васильев,
Roman Vasilyev,
Г. А. Жеребцов,
G. A. Zherebtsov,
Степан Подлесный,
Stepan Podlesny,
Михаил Тащилин,
Михаил Тащилин,
Максим Артамонов,
Максим Артамонов
Publication year - 2018
Publication title -
solnečno-zemnaâ fizika
Language(s) - English
Resource type - Journals
ISSN - 2412-4737
DOI - 10.12737/szf-44201806
Subject(s) - latitude , geomagnetic storm , storm , geomagnetic latitude , low latitude , earth's magnetic field , ionosphere , middle latitudes , geology , atmospheric sciences , climatology , physics , meteorology , geophysics , geodesy , magnetic field , quantum mechanics
We study the spatiotemporal dynamics of mid-latitude aurora from observations in the south of Eastern Siberia during St. Patrick’s severe geomagnetic storm on March 17, 2015. We perform a morphological analysis of characteristics of the observed auroras. A preliminary conclusion is drawn that the analyzed event is the result of the manifestation of mid-latitude auroras of two types (type “d” and SAR arc) and ordinary aurora observed at the northern horizon. The maximum intensity of the dominant emission [OI] at 630.0 nm (~14 kR) allows this mid-latitude aurora to be attributed to the extreme auroras occurring in mid-latitudes, which is second only to the November 20, 2003 superstorm (~19 kR).