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Observation of interactions between two erupting filaments

Published online by Cambridge University Press:  26 February 2010

Yu Liu ,
Jiangtao Su ,
Yuandeng Shen  and
Liheng Yang
Yu Liu
Affiliation:
National Astronomical Observatories, Yunnan Astronomical Observatory, Kunming 650011, China email: [email protected]
Jiangtao Su
Affiliation:
National Astronomical Observatories, Beijing 100012, China
Yuandeng Shen
Affiliation:
National Astronomical Observatories, Yunnan Astronomical Observatory, Kunming 650011, China email: [email protected]
Liheng Yang
Affiliation:
National Astronomical Observatories, Yunnan Astronomical Observatory, Kunming 650011, China email: [email protected]
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Abstract

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Following the first observational study of the interaction between two distinct filaments (Su et al. 2007; hereafter, event 1), we present another interesting case observed by SMART telescope on 2005 June 25 with higher spatial resolution (hereafter, event 2). The two events are compared with each other. In event 1 the two filaments erupted subsequently and obvious mass flow was observed to be transferred from one erupting filament to one stable filament which triggered its eruption. On the contrary, in event 2, the two filaments erupted simultaneously and there was no transfer of material noticed between them during the initial stage. The two filaments merged together along the ejection path, indicating the bodily coalesce between the two interacting flux ropes. Moreover, event 1 was associated with a coronal mass ejection (CME), while event 2 was a failed filament eruption, thus without CME association.

Keywords

Sun: coronaSun: magnetic fieldsSun: filament
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S264: Solar and Stellar Variability: Impact on Earth and Planets , August 2009 , pp. 99 - 101
Copyright
Copyright © International Astronomical Union 2010

References

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