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A STATISTICAL ANALYSIS OF 50 YEARS OF DAILY SOLAR WIND VELOCITY DATA
Li KJ(李可军)1,2; Zhang J(张娟)1,2,3; Feng, W.4,5; Feng, W
发表期刊ASTRONOMICAL JOURNAL
2016-05-01
卷号151期号:5
DOI10.3847/004-6256/151/5/128
产权排序第1完成单位
收录类别SCI
关键词Solar Wind Sun: Activity Sun: Corona
摘要Daily mean value of solar wind velocity measured by various spacecraft near the Earth's orbit from 1963 November 27 to 2013 December 31 given by OMNIWeb is utilized to investigate its characteristics through statistical analyses. The percent probability distribution of solar wind velocity can be described well by the F distribution function with the most probable velocity to be 373 km s(-1). It is found that solar wind could be statistically classified into three groups: (1) the low-velocity wind, v < 450 km s(-1), which positively responds to, and in the cycle phase lags, the solar activity cycle; (2) the high -velocity wind, 450 >=, v < 725 km s(-1), , which negatively responds to, and in the cycle phase leads, the solar activity cycle, but in a short timescale (one-rotation period) lags the solar activity cycle; and (3) the extreme-high-velocity wind, v ?, 725 km s(-1),, which positively responds to, and in cycle phase leads, the solar activity cycle. A period of about 27 days is determined for solar wind in the first two groups, so that solar wind in the groups is modulated by the solar rotation and related with solar long-life magnetic structures. Solar wind of extreme high velocity appears mainly at the descending phases of the solar cycles.
项目资助者National Natural Science Foundation of China(11573065, 11221063, 11273057) ; 973 program(2012CB957801) ; Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2016-12-12
WOS记录号WOS:000375610400019
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MAGNETIC-FIELDS ; CORONAL HOLES ; NETWORK ; PERIODICITY ; ROTATION ; PHASE ; SUN
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/114a53/9595
专题太阳物理研究组
通讯作者Feng, W
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Research Center of Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
5.Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University) Ministry of Education, Nanjing 210093, China
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Li KJ,Zhang J,Feng, W.,et al. A STATISTICAL ANALYSIS OF 50 YEARS OF DAILY SOLAR WIND VELOCITY DATA[J]. ASTRONOMICAL JOURNAL,2016,151(5).
APA Li KJ,Zhang J,Feng, W.,&Feng, W.(2016).A STATISTICAL ANALYSIS OF 50 YEARS OF DAILY SOLAR WIND VELOCITY DATA.ASTRONOMICAL JOURNAL,151(5).
MLA Li KJ,et al."A STATISTICAL ANALYSIS OF 50 YEARS OF DAILY SOLAR WIND VELOCITY DATA".ASTRONOMICAL JOURNAL 151.5(2016).
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