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Multi-wavelength observations of filament oscillations induced by shock waves

Published online by Cambridge University Press:  09 September 2016

Yuandeng Shen
Yuandeng Shen*
Affiliation:
Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China email: ydshen@ynao.ac.cn
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Abstract

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Two cases of filament oscillations induced by large-scale coronal shock waves are presented. For the first case, a chain of transverse oscillating filaments are observed in a proper order after the passing of a shock wave, and it is found that the they were triggered by the surface component of the dome-shaped shock wave. For the second case, simultaneous transverse oscillation of a limb prominence and longitudinal oscillation in an on-disk filament are launched by a single shock wave. It is found that the interaction angle between the shock wave and the prominence axis is the key to launch transverse or longitudinal filament oscillations. In addition, filament magnetic fields are estimated, using the measured parameters.

Keywords

Shock WavesFilamentsOscillationsProminences
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S320: Solar and Stellar Flares and their Effects on Planets , August 2015 , pp. 106 - 108
Copyright
Copyright © International Astronomical Union 2016 

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