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Formation of the CME leading edge observed in the 2003 February 18 event
Bao, XM1; Zhang, HQ1; Lin J(林隽)2,3; Bao, XM (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China.
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2006
Volume6Issue:6Pages:741-750
DOI10.1088/1009-9271/6/6/14
Contribution Rank第2完成单位
Indexed BySCI
KeywordSun : Coronal Mass Ejections (Cmes) Sun : Filaments Sun : Flares
AbstractThis work investigates a typical coronal mass ejection (CME) observed on 2003 February 18, by various space and ground instruments, in white light, H alpha, EUV and X-ray. The H alpha and EUV images indicate that the CME started with the eruption of a long filament located near the solar northwest limb. The white light coronal images show that the CME initiated with the rarefaction of a region above the solar limb and followed by the formation of a bright arcade at the boundary of the rarefying region at height 0.46 R(circle dot) above the solar surface. The rarefying process synchronized with the slow rising phase of the eruptive filament, and the CME leading edge was observed to form as the latter started to accelerate. The lower part of the filament brightened in H alpha as the filament rose to a certain height and parts of the filament was visible in the GOES X-ray images during the rise. These brightenings imply that the filament may be heated by the magnetic reconnection below the filament in the early stage of the eruption. We suggest that a possible mechanism which leads to the formation of the CME leading edge and cavity is the magnetic reconnection which takes place below the filament after the filament has reached a certain height.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1009-9271
URL查看原文
WOS IDWOS:000243198100014
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL MASS EJECTION ; SOLAR-FLARES ; FILAMENT ERUPTIONS ; X-RAY ; MORPHOLOGICAL FEATURES ; MAGNETIC RECONNECTION ; EMERGING FLUX ; PROMINENCE ; EVOLUTION ; MODEL
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6099
Collection太阳物理研究组
Corresponding AuthorBao, XM (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China.
Affiliation1.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012
2.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
3.Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
Recommended Citation
GB/T 7714
Bao, XM,Zhang, HQ,Lin J,et al. Formation of the CME leading edge observed in the 2003 February 18 event[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(6):741-750.
APA Bao, XM,Zhang, HQ,Lin J,&Bao, XM .(2006).Formation of the CME leading edge observed in the 2003 February 18 event.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(6),741-750.
MLA Bao, XM,et al."Formation of the CME leading edge observed in the 2003 February 18 event".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.6(2006):741-750.
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