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Transverse motions of solar loops reveal steady flows

Published on:

21 August 2023

Primary Category:

Solar and Stellar Astrophysics

Paper Authors:

Sihui Zhong,

Valery M. Nakariakov,

Dmitrii Y. Kolotkov,

Lakshmi Pradeep Chitta,

Patrick Antolin,

Cis Verbeeck,

David Berghmans

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Key Details

Decayless 4-minute kink oscillations observed in a coronal loop bundle

Simultaneous high-resolution imaging from two viewpoints with SDO/AIA and Solar Orbiter/EUI

Oscillations seen in different lines-of-sight are nearly anti-phase

Mutual hodograms show highly elliptical trajectories

Modelling excludes vertical polarization, indicates horizontal or oblique

AI generated summary

Transverse motions of solar loops reveal steady flows

Observations of the Sun's atmosphere from two perspectives show that transverse, swaying motions of magnetic loops are polarized horizontally. This indicates the oscillations are sustained by steady flows, supporting a self-oscillatory process that may contribute to coronal heating.

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