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Study of the Impact of Coronal Rain on Kink Oscillations of Coronal Loops

Published online by Cambridge University Press:  28 September 2023

Arpit Kumar Shrivastav Open the ORCID record for Arpit Kumar Shrivastav [Opens in a new window]  and
Vaibhav Pant
Arpit Kumar Shrivastav
Affiliation:
Aryabhatta Research Institute of Observational Sciences, Nainital, 263001, India Joint Astronomy Programme, Department of Physics, Indian Institute of Science, Bangalore, 560012, India Indian Institute of Astrophysics, Bangalore, 560034, India
Vaibhav Pant
Affiliation:
Aryabhatta Research Institute of Observational Sciences, Nainital, 263001, India
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Abstract

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Coronal rain occurs in thermally unstable coronal loops, and comprises cool plasma condensations, falling towards the solar surface, guided by the magnetic field. Sometimes the coronal rain clumps are seen to be subjected to transverse oscillations. The numerical simulations have indicated that coronal rain can onset kink oscillations in coronal loops and can affect the properties of oscillations. In this proceeding, we present the analysis of transverse oscillations in conjunction with coronal rain. Atmospheric Imaging Assembly (AIA) is used to examine the characteristics of coronal loop oscillation before and after coronal rain development. The analysis showed that the amplitude and period of oscillations are greater during coronal rain.

Keywords

magnetohydrodynamics (MHD) - Suncorona - Sunmagnetic fields - Sunflares - waves
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S372: The Era of Multi-Messenger Solar Physics , August 2022 , pp. 119 - 120
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Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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