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Latitude migration of sunspot groups
Li KJ(李可军)1,2; Yun, H.S.1; Gu XM(顾啸马)1,3; Li, KJ (reprint author), Chinese Acad Sci, Yunnan Observ, YN650011, Beijing 100864, Peoples R China.
Contribution Rank第1完成单位
Indexed BySCI
AbstractCharacteristics of latitude migration of sunspot groups in the northern and southern hemispheres are investigated by using the Royal Greenwich Observatory data set from the years 1874 through 1999. Latitude migration of sunspot groups is found to be represented by a binomial formula, which quantitatively describes the law. Latitude migration velocity of sunspot groups is largest at the beginning of a Sporer solar cycle, and as the solar cycle progresses, it decreases with time, with an average of about 1-degrees6 yr(1) during a solar cycle. Two different methods have been employed to confirm that latitude migration in both hemispheres is statistically the same.
Subject AreaAstronomy & Astrophysics
Archive Date2001-12-24
WOS IDWOS:000171420700037
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
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Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, KJ (reprint author), Chinese Acad Sci, Yunnan Observ, YN650011, Beijing 100864, Peoples R China.
Affiliation1.Yunnan Observatory, Chinese Academy of Sciences, YN650011, People's Republic of China; and National Astronomical Observatories, PeopleÏs Republic of China
2.Astronomy Program, School of Earth and Environmental Sciences, Seoul National University, Seoul 151-742, Korea
3.United Laboratory of Optical Astronomy, Chinese Academy of Sciences, People's Republic of China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li KJ,Yun, H.S.,Gu XM,et al. Latitude migration of sunspot groups[J]. ASTRONOMICAL JOURNAL,2001,122(4):2115-2117.
APA Li KJ,Yun, H.S.,Gu XM,&Li, KJ .(2001).Latitude migration of sunspot groups.ASTRONOMICAL JOURNAL,122(4),2115-2117.
MLA Li KJ,et al."Latitude migration of sunspot groups".ASTRONOMICAL JOURNAL 122.4(2001):2115-2117.
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