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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.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2017
Volume845Issue:2
ISSN0004-637X
Language英语
KeywordSun: Activity Sun: Filaments Prominences Sun: Flares Sun: Magnetic Fields
AbstractWe 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.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6035
Collection空间科学部
Corresponding AuthorShen, 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.
Recommended Citation
GB/T 7714
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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