PoS - Proceedings of Science
Volume 425 - The Multifaceted Universe: Theory and Observations - 2022 (MUTO2022) - the SUN
Analysis of Pulsation Spectra of Chromospheric Radiation from a Solar Flare SOL2015-10-01
Y.A. Kupryakov*, A.B. Gorshkov, L.K. Kashapova and M. Bárta
Full text: pdf
Pre-published on: September 29, 2022
Published on:
Abstract
The present study is devoted to the quasi-periodic pulsations (QPPs) in the chromospheric emission of solar flares that are often observed during these phenomena. We analysed the chromospheric emission of an M4.5-class flare (SOL2015-10-01) obtained with the Horizontal-Sonnen-Forschungs-Anlage spectrograph (HSFA-2) at the Ondřejov Observatory of the Czech Academy of Sciences. We also used X-ray time profiles obtained with the Ramati High Energy Solar Spectroscope Imager (RHESSI) and observations in the microwave range obtained with the radio telescope RT3 at 3.0 GHz (Ondřejov Observatory) to test the reliability of the detected chromospheric QPP periods. The processing and analysis of the spectra in the CaII H, Hβ, Hα, and CaII IR 8542 Å lines and the time profiles of the X-ray and microwave emission revealed the presence of oscillation periods in the range of 1–2 minutes.
DOI: https://doi.org/10.22323/1.425.0062
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.