UV Microbursts in the Auroral Zone Measured by a Multichannel Imaging Photometer

Shchelkanov, K.D.; Belov, A.A.; Klimov, P.A.; Nikolaeva, V.D.; Saraev, R.E.; Sharakin, S.A.

Авторы: Shchelkanov K.D., Belov A.A., Klimov P.A., Nikolaeva V.D., Saraev R.E., Sharakin S.A.
Журнал: Cosmic Research (English translation of Kosimicheskie Issledovaniya)
Том: 62
Год издания: 2024
Издательство: Pleiades Publishing, Inc.
Местоположение издательства: New York, USA
Первая страница: 311
Последняя страница: 317
DOI: 10.1134/S0010952524600367
Аннотация: In the autumn of 2021, a multichannel imaging photometer of the Pulsating Aurora Imaging Photometer System was installed at the Verkhnetulomsky Observatory. During the first season of operation (2021/2022), measurements were made over the course of 163 nights in three modes of temporal resolution: 2.5 μs, 320 μs, and 41 ms. The high temporal resolution makes it possible to investigate the fine temporal structure of the emission, which are short (less than 1 s) bursts of UV radiation, so-called “microbursts” that can be single or follow in series. The long-term series of microbursts registered on November 27–29, 2021, were analyzed. It is shown that the series of bursts have a complex temporal structure, individual bursts have several peaks with intervals of 100–400 ms, the intervals between bursts are of the order of 1 s, and they appear in packs lasting from several seconds to minutes. The series appear both in quiet geomagnetic conditions and during substorms; the frequency and amplitude of bursts in the second case are significantly larger.
Добавил в систему: Климов Павел Александрович

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UV Microbursts in the Auroral Zone Measured by a Multichannel Imaging Photometerстатья

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