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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.
Source PublicationSOLAR PHYSICS
2002-02
Volume205Issue:2Pages:361-370
DOI10.1023/A:1014288424727
Contribution Rank第1完成单位
Indexed BySCI
AbstractIn 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.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0038-0938
URL查看原文
Archive Date2002-02-22
WOS IDWOS:000173993200010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordACTIVITY RECONSTRUCTION ; NUMBERS
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6056
Collection太阳物理研究组
Corresponding AuthorLi, KJ (reprint author), Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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