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Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads
Tian ZJ(田占军)1,2,3; Liu Y(刘煜)1,4,5; Shen YD(申远灯)1,2,4,5,6; Elmhamdi, Abouazza7; Su, Jiangtao3,4,6; Liu, Ying D.2,3; Kordi, Ayman. S.7; Shen, Yuandeng(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
发表期刊ASTROPHYSICAL JOURNAL
2017-08-20
卷号845期号:2
DOI10.3847/1538-4357/aa8095
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Filaments Prominences Sun: Flares Sun: Magnetic Fields
摘要We present observational analysis of two successive two-sided loop jets observed by the ground-based New Vacuum Solar Telescope and the space-borne Solar Dynamics Observatory. The two successive two-sided loop jets manifested similar evolution processes and both were associated with the interaction of two small-scale adjacent filamentary threads, magnetic emerging, and cancellation processes at the jet's source region. High temporal and high spatial resolution observations reveal that the two adjacent ends of the two filamentary threads are rooted in opposite magnetic polarities within the source region. The two threads approached each other, and then an obvious brightening patch is observed at the interaction position. Subsequently, a pair of hot plasma ejections are observed heading in opposite directions along the paths of the two filamentary threads at a typical speed for two-sided loop jets of the order 150 km s(-1). Close to the end of the second jet, we report the formation of a bright hot loop structure at the source region, which suggests the formation of new loops during the interaction. Based on the observational results, we propose that the observed two-sided loop jets are caused by magnetic reconnection between the two adjacent filamentary threads, largely different from the previous scenario that a two-sided loop jet is generated by magnetic reconnection between an emerging bipole and the overlying horizontal magnetic fields.
项目资助者Natural Science Foundation of China(11533009, 11403097, 11633008) ; Yunnan Science Foundation(2015FB191, 2017FB006) ; Specialized Research Fund for State Key Laboratories ; Key Laboratory of Solar Activity of Chinese Academy of Sciences(KLSA201601) ; Youth Innovation Promotion Association of Chinese Academy of Sciences(2014047) ; Key Laboratory of Geospace Environment, CAS, University of Science & Technology of China ; King Saud University, College of Science Research Center
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:000407801100004
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY JETS ; VACUUM SOLAR TELESCOPE ; H-ALPHA SURGES ; HIGH-RESOLUTION ; ACTIVE-REGION ; CORONAL HOLE ; EUV JETS ; MISSION ; SIMULATIONS ; SPICULES
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/11887
专题选址与日冕观测组
中国科学院天体结构与演化重点实验室
通讯作者Shen, Yuandeng(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China
2.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing, 100012, China
5.Key Laboratory of Geospace Environment, Chinese Academy of Sciences, University of Science & Technology of China, Hefei 230026, China
6.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, China
7.Department of Physics and Astronomy, King Saud University, P.O. Box 2455, 11451, Saudi Arabia
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Tian ZJ,Liu Y,Shen YD,et al. Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads[J]. ASTROPHYSICAL JOURNAL,2017,845(2).
APA Tian ZJ.,Liu Y.,Shen YD.,Elmhamdi, Abouazza.,Su, Jiangtao.,...&Shen, Yuandeng.(2017).Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads.ASTROPHYSICAL JOURNAL,845(2).
MLA Tian ZJ,et al."Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads".ASTROPHYSICAL JOURNAL 845.2(2017).
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