Observation of standing kink waves in solar spicules

Abstract

We analyze the time series of CaII H-line obtained from Hinode/SOT on the solar limb. The time-distance analysis shows that the axis of spicule undergos quasi-periodic transverse displacement at different heights from the photosphere. The mean period of transverse displacement is ~180 s and the mean amplitude is 1 arcsec. Then, we solve the dispersion relation of magnetic tube waves and plot the dispersion curves with upward steady flows. The theoretical analysis shows that the observed oscillation may correspond to the fundamental harmonic of standing kink waves.

Published in Astrophysics and Space Science

References in corpus (5)

• The Solar Optical Telescope for the Hinode Mission: An Overview
• Alfven Waves in the Lower Solar Atmosphere
• Observation of kink waves in solar spicules
• Doppler shift oscillations in solar spicules
• Magneto-Acoustic Wave Oscillations in Solar Spicules

Cited by in corpus (7)

• Multiwavelength studies of MHD waves in the solar chromosphere: An overview of recent results
• High Frequency Waves in Chromospheric Spicules
• Observation of kink waves and their reconnection-like origin in solar spicules
• The Possibility of Kelvin-Helmholtz Instability in Solar Spicules
• Phase mixing of propagating Alfven waves in a stratified atmosphere: Solar spicules
• Observation of the period ratio P_1/P_2 of transversal oscillations in solar macro-spicules
• Torsional Alfven waves and the period ratio P_1/P_2 in spicules