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On the Role of Magnetic Fields in an Erupting Solar Filament

Published online by Cambridge University Press:  24 September 2020

Qiao Song Open the ORCID record for Qiao Song [Opens in a new window] ,
Shuhong Yang Open the ORCID record for Shuhong Yang [Opens in a new window]  and
Jing-Song Wang
Qiao Song
Affiliation:
Key Laboratory of Space Weather, National Center for Space Weather, China Meteorological Administration, Beijing100081, China email: [email protected], [email protected]
Shuhong Yang
Affiliation:
CAS Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China email: [email protected] School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing100049, China
Jing-Song Wang
Affiliation:
Key Laboratory of Space Weather, National Center for Space Weather, China Meteorological Administration, Beijing100081, China email: [email protected], [email protected]
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Abstract

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A filament eruption may lead to a coronal mass ejection (CME), which is one of the main driving mechanisms of space weather. This work analyses a slow and flareless CME event associated with an erupting quiescent filament. By using the extreme ultraviolet images of the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory, we trace the evolution of the filament in detail, and present the manifestations of the role of magnetic fields in the low corona. The results suggest the existence of a magnetic flux rope in the pre-eruption structures. Our study of this complex magnetic system may lead to a better understanding of CMEs and their impact on the space weather.

Keywords

Sun: filamentsSun: magnetic fieldsSun: coronal mass ejections (CMEs)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S354: Solar and Stellar Magnetic Fields: Origins and Manifestations , June 2019 , pp. 452 - 453
Copyright
© International Astronomical Union 2020

References

Gibson, S. E. 2018, Living Rev Sol Phys, 15, 7CrossRefGoogle Scholar
Lemen, J. R., Title, A. M., Akin, D. J., et al. 2012, Sol Phys, 275, 1–2, 17Google Scholar
Song, Q., Wang, J. S., Feng, X. S., & Zhang, X. X. 2016, ApJ, 821, 2, 83CrossRefGoogle Scholar
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