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A statistical study on the brightening propagation of post-flare loops
Li LePing1; Duan HongYu2; Zhang Jun1
2009-11-01
Source PublicationSCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
Volume52Issue:11Pages:1723-1727
AbstractAfter 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.
KeywordFlares Magnetic Fields Corona Uv Radiation
DOI10.1007/s11433-009-0218-7
Indexed BySCI ; ISTP
Language英语
WOS IDWOS:000271718600016
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/7960
Collection太阳物理研究部
Affiliation1.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
Recommended Citation
GB/T 7714
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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