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OBSERVATION OF A MORETON WAVE AND WAVE-FILAMENT INTERACTIONS ASSOCIATED WITH THE RENOWNED X9 FLARE ON 1990 MAY 24
Liu, R1; Liu, C2; Xu, Y2; Liu, W3,4; Bernhard Kliem5,6,7; Wang, HM2; Liu, R (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2013-08-20
卷号773期号:2
DOI10.1088/0004-637X/773/2/166
产权排序第7完成单位
收录类别SCI
关键词Sun: Flares Sun: Filaments Sun: Oscillations Prominences Waves
摘要Using Big Bear Solar Observatory film data recently digitized at NJIT, we investigate a Moreton wave associated with an X9 flare on 1990 May 24, as well as its interactions with four filaments F1-F4 located close to the flaring region. The interaction yields interesting insight into physical properties of both the wave and the filaments. The first clear Moreton wavefront appears at the flaring-region periphery at approximately the same time as the peak of a microwave burst and the first of two gamma-ray peaks. The wavefront propagates at different speeds ranging from 1500-2600 km s(-1) in different directions, reaching as far as 600 Mm away from the flaring site. Sequential chromospheric brightenings are observed ahead of the Moreton wavefront. A slower diffuse front at 300-600 km s(-1) is observed to trail the fast Moreton wavefront about one minute after the onset. The Moreton wave decelerates to similar to 550 km s(-1) as it sweeps through F1. The wave passage results in F1's oscillation which is featured by similar to 1 mHz signals with coherent Fourier phases over the filament, the activation of F3 and F4 followed by gradual recovery, but no disturbance in F2. Different height and magnetic environment together may account for the distinct responses of the filaments to the wave passage. The wavefront bulges at F4, whose spine is oriented perpendicular to the upcoming wavefront. The deformation of the wavefront is suggested to be due to both the forward inclination of the wavefront and the enhancement of the local Alfven speed within the filament channel.
项目资助者NSF [AGS 0839216, AGS 0849453, AGS-1153226, AGS-1153424] ; Thousand Young Talents Program of China ; NSFC [41222031, 41131065, 41121003] ; 973 key project [2011CB811403] ; CAS [KZZD-EW-01-4] ; fundamental research funds for the central universities [WK2080000031] ; DFG ; STFC ; Chinese Academy of Sciences [2012T1J0017]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000323426100085
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]EXTREME-ULTRAVIOLET WAVE ; CORONAL MASS EJECTION ; COSMIC-RAY EVENT ; GLOBAL EUV WAVE ; H-ALPHA MORETON ; 2006 DECEMBER 6 ; SOLAR-FLARE ; EIT WAVES ; TRANSVERSE OSCILLATIONS ; QUADRATURE OBSERVATIONS
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6223
专题太阳物理研究组
通讯作者Liu, R (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
作者单位1.CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei 230026, China
2.Space Weather Research Laboratory, Center for Solar-Terrestrial Research, NJIT, Newark, NJ 07102, USA
3.Lockheed Martin Solar and Astrophysics Laboratory, Building 252, 3251 Hanover Street, Palo Alto, CA 94304, USA
4.W. W. Hansen Experimental Physics Laboratory, Stanford University, Stanford, CA 94305, USA
5.Institute of Physics and Astronomy, University of Potsdam, D-14476 Potsdam, Germany
6.Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UK
7.Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China
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Liu, R,Liu, C,Xu, Y,et al. OBSERVATION OF A MORETON WAVE AND WAVE-FILAMENT INTERACTIONS ASSOCIATED WITH THE RENOWNED X9 FLARE ON 1990 MAY 24[J]. ASTROPHYSICAL JOURNAL,2013,773(2).
APA Liu, R.,Liu, C.,Xu, Y.,Liu, W.,Bernhard Kliem.,...&Liu, R .(2013).OBSERVATION OF A MORETON WAVE AND WAVE-FILAMENT INTERACTIONS ASSOCIATED WITH THE RENOWNED X9 FLARE ON 1990 MAY 24.ASTROPHYSICAL JOURNAL,773(2).
MLA Liu, R,et al."OBSERVATION OF A MORETON WAVE AND WAVE-FILAMENT INTERACTIONS ASSOCIATED WITH THE RENOWNED X9 FLARE ON 1990 MAY 24".ASTROPHYSICAL JOURNAL 773.2(2013).
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