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Speed distributions of CMEs in cycle 23 at low and high latitudes
Gao PX(高朋鑫)1,2; Li KJ(李可军)1; Gao, PX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2008-04
卷号8期号:2页码:146-152
DOI10.1088/1009-9271/8/2/02
产权排序第1完成单位
收录类别SCI
关键词Sun : Activity Sun : Coronal Mass Ejections (Cmes)
摘要We analyzed the speed (v) distributions of H 584 coronal mass ejections (CMEs) observed by the Large Angle and Spectrometric Coronagraph Experiment on board the Solar and Heliospheric Observatory (SOHO/LASCO) in cycle 23 from 1996 to 2006. We find that the speed distributions for high-latitude (HL) and low-latitude (LL) CME events are nearly identical and to a good approximation they can be fitted with a lognormal distribution. This finding implies that statistically the same driving mechanism of a nonlinear nature is acting in both HL and LL CME events, and CMEs are intrinsically associated with the source's magnetic structure on large spatial scales. Statistically, the HL CMEs are slightly slower than the LL CMEs. For HL and LL CME events respectively, the speed distributions for accelerating and decelerating events are nearly identical and also to a good approximation they can be both fitted with a lognormal distribution, thus supplementing the results obtained by Yurchyshyn et al.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1009-9271
URL查看原文
归档日期2008-04-16
WOS记录号WOS:000255262600002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; SMM OBSERVATIONS ; MAGNETIC CLOUDS ; ERUPTION
引用统计
被引频次:3[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/114a53/6125
专题太阳物理研究组
通讯作者Gao, PX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
2.Graduate School of Chinese Academy of Sciences, Beijing 100049
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Gao PX,Li KJ,Gao, PX . Speed distributions of CMEs in cycle 23 at low and high latitudes[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2008,8(2):146-152.
APA Gao PX,Li KJ,&Gao, PX .(2008).Speed distributions of CMEs in cycle 23 at low and high latitudes.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,8(2),146-152.
MLA Gao PX,et al."Speed distributions of CMEs in cycle 23 at low and high latitudes".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 8.2(2008):146-152.
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