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Time evolution of a two-ribbon flare - Characteristics of post-flare loops
Gu XM(顾啸马)1; Lin J(林隽)1; Luan D(栾蒂)1; SCHMIEDER, B2
发表期刊ASTRONOMY & ASTROPHYSICS
1992-06
卷号259期号:2页码:649-662
产权排序第1完成单位
收录类别SCI
关键词Corona Sun Flares
摘要Observations of a two ribbon flare on 5 May, 1989 were performed at Yunnan Observatory and at Meudon. Magnetograms have been obtained in Huairou-Beijing Observatory. The topology of the flaring region and the slow evolution of post-flare loops (cool flare loops) can be derived from Yunnan filtergrams. The ribbons seem to be the footpoints of the loops. The analysis of Ha line profiles in the loops, obtained with the Multichannel Subtractive Double Pass (MSDP) spectrograph of Meudon allows us to derive some physical parameters of the loops. The importance of the reference background intensity is discussed. The cool flare loops are low (h(max) approximately 25000km) dense (ne approximately 10(11) cm-3) and relatively inhomogeneous. They are rising with a velocity of 5 to 10 km s-1.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
WOS记录号WOS:A1992JB31800041
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]H-ALPHA ; GRADUAL PHASE ; SOLAR-FLARES ; EVAPORATION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6007
专题太阳物理研究组
作者单位1.Yunnan Observatory, Academica Sinica, P.O.Box 110, Kunming, People's Republic of China
2.DASOP, Observatoire de Paris, Section de Meudon, F-92195 Meudon Principal Cedex, France
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GB/T 7714
Gu XM,Lin J,Luan D,et al. Time evolution of a two-ribbon flare - Characteristics of post-flare loops[J]. ASTRONOMY & ASTROPHYSICS,1992,259(2):649-662.
APA Gu XM,Lin J,Luan D,&SCHMIEDER, B.(1992).Time evolution of a two-ribbon flare - Characteristics of post-flare loops.ASTRONOMY & ASTROPHYSICS,259(2),649-662.
MLA Gu XM,et al."Time evolution of a two-ribbon flare - Characteristics of post-flare loops".ASTRONOMY & ASTROPHYSICS 259.2(1992):649-662.
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