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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.
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2012-03
Volume12Issue:3Pages:300-312
DOI10.1088/1674-4527/12/3/006
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Filaments Sun: Flares Sun: Magnetic Field Sun: Coronal Mass Ejections (Cmes)
AbstractWe 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.
Funding OrganizationNational Basic Research Program of China (973 program) [2011CB811400] ; National Natural Science Foundation of China [10973038, 11173058]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1674-4527
URL查看原文
Archive Date2012-02-20
WOS IDWOS:000302051900006
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL 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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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6207
Collection太阳物理研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorYang, JY (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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