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The H-alpha surges and EUV jets from magnetic flux emergences and cancellations
Jiang YC(姜云春); Chen HD(陈华东); Li KJ(李可军); Shen YD(申远灯); Yang LH(杨丽恒); Jiang, YC (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMY & ASTROPHYSICS
2007-07
卷号469期号:1页码:331-337
DOI10.1051/0004-6361:20053954
产权排序第1完成单位
收录类别SCI ; EI
关键词Sun : Activity Sun : Magnetic Field
摘要We analyzed multi-wavelength observations of three surges with a recurrent period of about 70 min in Ha, EUV, and soft X-ray, which occurred in the quiet-sun region on 2000 November 3. These homologous surges were associated with small flares at the same base, but their exact footpoints were spatially separated from the flare. Each surge consisted of a cool Ha component and a hot, EUV or soft X-ray component, which showed different evolutions not only in space but also in time. The EUV jets had slightly converging shapes, underwent more complicate development, showed clearly twisting structures, and appeared to open to space. The Ha surges, however, were smaller and only traced the edges of the jets. They always occurred later than the jets but had dark EUV counterparts appearing in the bright jets. These surge activities were closely associated with two emerging bipoles and their driven flux cancellations at the base region, and were consistent with the magnetic reconnection surge model. The possible cause of the delay between the surges and jets, of the dark structures in the jets are discussed, along with the possible role of flux cancellations in generation of these surges.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
归档日期2007-06-18
WOS记录号WOS:000247260300037
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY JETS ; EXTREME-ULTRAVIOLET ; TRANSITION REGION ; CORONAL EXPLORER ; ACTIVE-REGION ; RECONNECTION ; TELESCOPE ; FILAMENT ; MULTIWAVELENGTH ; MISSION
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被引频次:81[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6103
专题太阳物理研究组
通讯作者Jiang, YC (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位National Astronomical Observatories/Yunnan Observatory, CAS, Kunming 650011, PR China
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Jiang YC,Chen HD,Li KJ,et al. The H-alpha surges and EUV jets from magnetic flux emergences and cancellations[J]. ASTRONOMY & ASTROPHYSICS,2007,469(1):331-337.
APA Jiang YC,Chen HD,Li KJ,Shen YD,Yang LH,&Jiang, YC .(2007).The H-alpha surges and EUV jets from magnetic flux emergences and cancellations.ASTRONOMY & ASTROPHYSICS,469(1),331-337.
MLA Jiang YC,et al."The H-alpha surges and EUV jets from magnetic flux emergences and cancellations".ASTRONOMY & ASTROPHYSICS 469.1(2007):331-337.
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