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The surge-like eruption of a miniature filament
Yang JY(杨家艳)1,2; Jiang YC(姜云春)1; Yang D(杨丹)1,3; Bi Y(毕以)1,3; Yang B(杨波)1,3; Zheng RS(郑瑞生)1,3; Hong JC(洪俊超)1,3; Yang, JY (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2012-03
卷号12期号:3页码:300-312
DOI10.1088/1674-4527/12/3/006
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Filaments Sun: Flares Sun: Magnetic Field Sun: Coronal Mass Ejections (Cmes)
摘要We report on the rare eruption of a miniature Ha filament that took the form of a surge. The filament first underwent a full development within 46 min and then began to erupt 9 min later, followed by a compact, impulsive X-ray class M2.2 flare with a two-ribbon nature only at the early eruption phase. During the eruption, its top rose, whereas the two legs remained rooted in the chromosphere and showed little swelling perpendicular to the rising direction. This led to a surge-like eruption with a narrow angular extent. Similar to the recent observations for standard and blowout Xray jets by Moore et al., we thus define it as a "blowout Ha surge." Furthermore, our observations showed that the eruption was associated with (1) a coronal mass ejection guided by a pre-existing streamer, (2) abrupt, significant, and persistent changes in the photospheric magnetic field around the filament, and (3) a sudden disappearance of a small pore. These observations thus provide evidence that a blowout surge is a small-scale version of a large-scale filament eruption in many aspects. Our observations further suggest that at least part of the Ha surges belong to blowout-type cases, and the exact distinction between the standard and blowout Ha surges is important in understanding their different origins and associated eruptive phenomena.
项目资助者National Basic Research Program of China (973 program) [2011CB811400] ; National Natural Science Foundation of China [10973038, 11173058]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
归档日期2012-02-20
WOS记录号WOS:000302051900006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; H-ALPHA SURGES ; MAGNETIC-FIELD CHANGES ; EXTREME-ULTRAVIOLET ; ACTIVE-REGION ; QUIET SUN ; OBSERVATIONAL EVIDENCE ; PARTICLE EVENTS ; EMERGING FLUX ; SOLAR-FLARES
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被引频次:11[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/114a53/6207
专题太阳物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Yang, JY (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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GB/T 7714
Yang JY,Jiang YC,Yang D,et al. The surge-like eruption of a miniature filament[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2012,12(3):300-312.
APA Yang JY.,Jiang YC.,Yang D.,Bi Y.,Yang B.,...&Yang, JY .(2012).The surge-like eruption of a miniature filament.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,12(3),300-312.
MLA Yang JY,et al."The surge-like eruption of a miniature filament".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 12.3(2012):300-312.
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