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Interchange Reconnection Associated with a Confined Filament Eruption: Implications for the Source of Transient Cold-dense Plasma in Solar Winds
Zheng, Ruisheng1; Chen, Yao1; Wang, Bing1; Li, Gang2; Xiang YY(向永源)3; Zheng, Ruisheng(Shandong Univ, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China)
发表期刊ASTROPHYSICAL JOURNAL
2017-05-01
卷号840期号:1
DOI10.3847/1538-4357/aa6b03
产权排序第3完成单位
收录类别SCI
关键词Solar Wind Sun: Corona Sun: Coronal Mass Ejections (Cmes)
摘要The cold-dense plasma is occasionally detected in the solar wind with in situ data, but the source of the cold-dense plasma remains illusive. Interchange reconnections (IRs) between closed fields and nearby open fields are known to contribute to the formation of solar winds. We present a confined filament eruption associated with a puff-like coronal mass ejection (CME) on 2014 December 24. The filament underwent successive activations and finally erupted, due to continuous magnetic flux cancelations and emergences. The confined erupting filament showed a clear untwist motion, and most of the filament material fell back. During the eruption, some tiny blobs escaped from the confined filament body, along newly formed open field lines rooted around the south end of the filament, and some bright plasma flowed from the north end of the filament to remote sites at nearby open fields. The newly formed open field lines shifted southward with multiple branches. The puff-like CME also showed multiple bright fronts and a clear southward shift. All the results indicate an intermittent IR existed between closed fields of the confined erupting filament and nearby open fields, which released a portion of filament material (blobs) to form the puff-like CME. We suggest that the IR provides a possible source of cold-dense plasma in the solar wind.
项目资助者Shandong Province Natural Science Foundation(ZR2016AQ16) ; Shandong University, Weihai(2016WHWLJH07) ; (NSFC 41331068) ; (11303101) ; (11603013)
语种英语
学科领域天文学
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000403223100003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]DYNAMICS-OBSERVATORY SDO ; CORONAL MASS EJECTIONS ; MAGNETIC-FIELD ; STREAMER ; JETS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12296
专题抚仙湖太阳观测站
通讯作者Zheng, Ruisheng(Shandong Univ, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China)
作者单位1.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, and Institute of Space Sciences, Shandong University, Weihai 264209, China
2.Department of Physics and CSPAR, University of Alabama in Huntsville, Huntsville, AL 35899, USA
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
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Zheng, Ruisheng,Chen, Yao,Wang, Bing,et al. Interchange Reconnection Associated with a Confined Filament Eruption: Implications for the Source of Transient Cold-dense Plasma in Solar Winds[J]. ASTROPHYSICAL JOURNAL,2017,840(1).
APA Zheng, Ruisheng,Chen, Yao,Wang, Bing,Li, Gang,Xiang YY,&Zheng, Ruisheng.(2017).Interchange Reconnection Associated with a Confined Filament Eruption: Implications for the Source of Transient Cold-dense Plasma in Solar Winds.ASTROPHYSICAL JOURNAL,840(1).
MLA Zheng, Ruisheng,et al."Interchange Reconnection Associated with a Confined Filament Eruption: Implications for the Source of Transient Cold-dense Plasma in Solar Winds".ASTROPHYSICAL JOURNAL 840.1(2017).
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