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Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads
Tian, Zhanjun; Liu, Yu; Shen, Yuandeng; Elmhamdi, Abouazza; Su, Jiangtao; Liu, Ying D.; Kordi, Ayman. S.; Shen, YD (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, Ctr Astron Mega Sci, Beijing 100012, Peoples R China.; Shen, YD (reprint author), Univ Sci & Technol China, Chinese Acad Sci, Key Lab Geospace Environm, Hefei 230026, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
作者部门空间科学部
发表期刊ASTROPHYSICAL JOURNAL
2017
卷号845期号:2
ISSN0004-637X
语种英语
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.
收录类别SCI
文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6035
专题空间科学部
通讯作者Shen, YD (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, Ctr Astron Mega Sci, Beijing 100012, Peoples R China.; Shen, YD (reprint author), Univ Sci & Technol China, Chinese Acad Sci, Key Lab Geospace Environm, Hefei 230026, Peoples R China.; Shen, YD (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
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Tian, Zhanjun,Liu, Yu,Shen, Yuandeng,et al. Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads[J]. ASTROPHYSICAL JOURNAL,2017,845(2).
APA Tian, Zhanjun.,Liu, Yu.,Shen, Yuandeng.,Elmhamdi, Abouazza.,Su, Jiangtao.,...&Shen, YD .(2017).Successive Two-sided Loop Jets Caused by Magnetic Reconnection between Two Adjacent Filamentary Threads.ASTROPHYSICAL JOURNAL,845(2).
MLA Tian, Zhanjun,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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