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A statistical study on the brightening propagation of post-flare loops
Li LePing1; Duan HongYu2; Zhang Jun1
2009-11-01
发表期刊SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
卷号52期号:11页码:1723-1727
摘要After examining the data observed by TRACE 171 and 195 angstrom from May 1998 to December 2006, we choose as our sample 190 (39 X-class and 151 M-class) flare events which display post-flare loops (PFLs). We investigate the brightening propagation of these PFLs of the events in the sample along the magnetic neutral lines. In most of the cases, the length of the flare ribbons (FRs) ranges from 20 to 170 Mm. The propagating duration of the brightening lasts 10-60 min. The velocities of the propagation associated with the flare strength and the length of the FRs, range from 5 to 35 km.s(-1). Furthermore, a greater propagating velocity corresponds to a greater deceleration (or acceleration). These PFLs display three types of propagating patterns: (1) the brightening begins at the middle part of a set of PFLs, and propagates bi-directionally towards its both ends; (2) the brightening first appears at one end of a set of PFLs, and then propagates to the other; (3) the initial brightening takes place at two (or more than two) positions on two (or more than two) sets of PFLs, and each brightening propagates bi-directionally along the magnetic neutral line.
关键词Flares Magnetic Fields Corona Uv Radiation
DOI10.1007/s11433-009-0218-7
收录类别SCI ; ISTP
语种英语
WOS记录号WOS:000271718600016
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7960
专题太阳物理研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China
2.Jiangsu Sopo Corp Grp Ltd, Zhenjiang 212006, Peoples R China
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Li LePing,Duan HongYu,Zhang Jun. A statistical study on the brightening propagation of post-flare loops[J]. SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,2009,52(11):1723-1727.
APA Li LePing,Duan HongYu,&Zhang Jun.(2009).A statistical study on the brightening propagation of post-flare loops.SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,52(11),1723-1727.
MLA Li LePing,et al."A statistical study on the brightening propagation of post-flare loops".SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 52.11(2009):1723-1727.
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