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Statistical behavior of sunspot groups on the solar disk
Li KJ(李可军)1; Liang HF(梁红飞)1; Yun, HS2; Gu XM(顾啸马)3; Li, KJ (reprint author), Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊SOLAR PHYSICS
2002-02
卷号205期号:2页码:361-370
DOI10.1023/A:1014288424727
产权排序第1完成单位
收录类别SCI
摘要In the present study we have produced a diagram of the latitude distribution of sunspot groups from the year 1874 through 1999 and examined statistical characteristics of the mean latitude of sunspot groups. The reliability of the observed data set prior to solar cycle 19 is found quite low as compared with that of the data set observed after cycle 19. A correlation is found between maximum latitude at which first sunspot groups of a new cycle appear and the maximum solar activity of the cycle. It is inferred that solar magnetic activity during the early part of an extended solar cycle may contain some information about the strength of forthcoming solar cycle. A formula is given to describe latitude change of sunspot groups with time during an extended solar cycle. The latitude-migration velocity is found to be largest at the beginning of solar cycle and decreases with time as the cycle progresses with a mean migration velocity of about 1.61degrees per year.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0038-0938
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归档日期2002-02-22
WOS记录号WOS:000173993200010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVITY RECONSTRUCTION ; NUMBERS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6056
专题太阳物理研究组
通讯作者Li, KJ (reprint author), Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatory, Kunming, 650011; National Astronomical Observatories, China
2.Astronomy Program, SEES, Seoul National University, Seoul, 151-742, Korea
3.United Laboratory of Optical Astronomy, CAS, China
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GB/T 7714
Li KJ,Liang HF,Yun, HS,et al. Statistical behavior of sunspot groups on the solar disk[J]. SOLAR PHYSICS,2002,205(2):361-370.
APA Li KJ,Liang HF,Yun, HS,Gu XM,&Li, KJ .(2002).Statistical behavior of sunspot groups on the solar disk.SOLAR PHYSICS,205(2),361-370.
MLA Li KJ,et al."Statistical behavior of sunspot groups on the solar disk".SOLAR PHYSICS 205.2(2002):361-370.
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