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A Complex Solar Coronal Jet with Two Phases
Chen, Jie; Su, Jiangtao; Deng, Yuanyong; Priest, E. R.; Chen, J (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.; Chen, J (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China.
作者部门空间科学部
2017
发表期刊ASTROPHYSICAL JOURNAL
ISSN0004-637X
卷号840期号:1页码:54
摘要Jets often occur repeatedly from almost the same location. In this paper, a complex solar jet was observed with two phases to the west of NOAA AR 11513 on 2012 July 2. If it had been observed at only moderate resolution, the two phases and their points of origin would have been regarded as identical. However, at high resolution we find that the two phases merge into one another and the accompanying footpoint brightenings occur at different locations. The phases originate from different magnetic patches rather than being one phase originating from the same patch. Photospheric line of sight (LOS) magnetograms show that the bases of the two phases lie in two different patches of magnetic flux that decrease in size during the occurrence of the two phases. Based on these observations, we suggest that the driving mechanism of the two successive phases is magnetic cancellation of two separate magnetic fragments with an opposite-polarity fragment between them.
项目资助者National Natural Science Foundation of China [11303048, 11673033, 11373040, 11427901] ; NSFC ; State Key Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences
关键词Magnetic Reconnection Magnetohydrodynamics (Mhd) Sun: Activity Sun: Corona Sun: Magnetic Fields
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6012
专题空间科学部
通讯作者Chen, J (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.; Chen, J (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China.
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Chen, Jie,Su, Jiangtao,Deng, Yuanyong,et al. A Complex Solar Coronal Jet with Two Phases[J]. ASTROPHYSICAL JOURNAL,2017,840(1):54.
APA Chen, Jie,Su, Jiangtao,Deng, Yuanyong,Priest, E. R.,Chen, J ,&Chen, J .(2017).A Complex Solar Coronal Jet with Two Phases.ASTROPHYSICAL JOURNAL,840(1),54.
MLA Chen, Jie,et al."A Complex Solar Coronal Jet with Two Phases".ASTROPHYSICAL JOURNAL 840.1(2017):54.
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