Reviews of topical problems

Subsecond pulses in microwave emission from the Sun

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Institute of Solar-Terrestrial Physics, Lermontova str. 125a, Irkutsk, 664033, Russian Federation

The current state of research on microwave subsecond pulses (SSPs) based on observations of radio-frequency radiation from solar flares with high temporal, spatial, and spectral resolutions is reviewed. It is shown that knowledge about the localization of SSP sources in the flare region, available with the help of large radio interferometers, radically affects the understanding of the nature of SSPs. Based on the unique observational material accumulated in radio observations over the past 30 years, the characteristics of SSPs have been studied, they have been classified according to their spectral characteristics, and the mechanisms of their generation have been determined.

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Fulltext is also available at DOI: 10.3367/UFNe.2022.06.039205
Keywords: radio emission, microwave bursts, fine temporal structure
PACS: 96.60.−j
DOI: 10.3367/UFNe.2022.06.039205
Citation: Altyntsev A T, Meshalkina N S, Lesovoi S V, Zhdanov D A "Subsecond pulses in microwave emission from the Sun" Phys. Usp. 66 691–703 (2023)
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RT Journal
T1 Subsecond pulses in microwave emission from the Sun
A1 Altyntsev,A.T.
A1 Meshalkina,N.S.
A1 Lesovoi,S.V.
A1 Zhdanov,D.A.
PB Physics-Uspekhi
PY 2023
FD 10 Jul, 2023
JF Physics-Uspekhi
JO Phys. Usp.
VO 66
IS 7
SP 691-703
DO 10.3367/UFNe.2022.06.039205

Received: 16th, November 2021, revised: 18th, May 2022, 14th, June 2022

Оригинал: Алтынцев А Т, Мешалкина Н С, Лесовой С В, Жданов Д А «Cубсекундные импульсы в микроволновом излучении Солнца» УФН 193 737–750 (2023); DOI: 10.3367/UFNr.2022.06.039205

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