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Simultaneous Observation of a Flux Rope Eruption and Magnetic Reconnection during an X-class Solar Flare
Yan,X. L.1,2,3; Yang,L. H.1,3; Xue,Z. K.1,3; Mei,Z. X.1,3; Kong,D. F.1,3; Wang,J. C.1,4; Li,Q. L.1,4
2018-01-24
Source PublicationThe Astrophysical Journal Letters
ISSN2041-8205
Volume853Issue:1
AbstractAbstract In this Letter, we present a spectacular eruptive flare (X8.2) associated with a coronal mass ejection on 2017 September 10 at the west limb of the Sun. A flux rope eruption is followed by the inflow, the formation of a current sheet, and a cusp structure, which were simultaneously observed during the occurrence of this flare. The hierarchical layers of the cusp-shaped structure are well observed in 131 ? observation. The scenario that can be created from these observations is very consistent with the predictions of some eruptive models. Except for the characteristics mentioned above in the process of the flare predicted by classical eruption models, the current sheet separating into several small current sheets is also observed at the final stage of the flux rope eruption. The quantitative calculation of the velocities and accelerations of the inflow, hot cusp structure, and post-flare loops is presented. The width of the current sheet is estimated to be about 3?×?103 km. These observations are very useful in understanding the process of solar eruptions.
KeywordSun: activity Sun: coronal mass ejections (CMEs) Sun: flares
DOI10.3847/2041-8213/aaa6c2
Language英语
WOS IDIOP:2041-8205-853-1-aaa6c2
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/35791
Collection中国科学院国家天文台
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, People's Republic of China; yanxl@ynao.ac.cn
2.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, People's Republic of China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, People's Republic of China
4.University of Chinese Academy of Sciences, Yuquan Road, Shijingshan Block, Beijing 100049, People's Republic of China
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yan,X. L.,Yang,L. H.,Xue,Z. K.,et al. Simultaneous Observation of a Flux Rope Eruption and Magnetic Reconnection during an X-class Solar Flare[J]. The Astrophysical Journal Letters,2018,853(1).
APA Yan,X. L..,Yang,L. H..,Xue,Z. K..,Mei,Z. X..,Kong,D. F..,...&Li,Q. L..(2018).Simultaneous Observation of a Flux Rope Eruption and Magnetic Reconnection during an X-class Solar Flare.The Astrophysical Journal Letters,853(1).
MLA Yan,X. L.,et al."Simultaneous Observation of a Flux Rope Eruption and Magnetic Reconnection during an X-class Solar Flare".The Astrophysical Journal Letters 853.1(2018).
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