NAOC Open IR  > 星系宇宙学研究部
The rotation signal in daily sunspot areas
Li, K. J.1,2; Liang, H. F.3; Feng, W.4; Zhan, L. S.5
2011-02-01
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号331期号:2页码:441-445
摘要The continuous complex Morlet wavelet transform is used to investigate temporal rotation cycle length of daily sunspot areas from May 9, 1874 to February 28, 2010, from a global point of view. The rotation cycle length of the Sun is found to have a secular trend: it decreased from the year of 1874 to 1950s, and since then the Sun is rotating more and more speedily in the long run. The rotation period appears around the maximum times of the Schwabe cycles with statistical significance, but in the minimum times it is always statistically insignificant, although it is found to have no relation with the Schwabe cycle. The period length of the rotation cycle displays the significant periods of 2.61 and 5.77 years.
关键词Sun: Activity Sun: Sunspots Sun: Rotation
DOI10.1007/s10509-010-0451-6
收录类别SCI
语种英语
WOS记录号WOS:000285785500006
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7866
专题星系宇宙学研究部
作者单位1.CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China
2.CAS, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China
3.Yunnan Normal Univ, Dept Phys, Kunming 650093, Peoples R China
4.Kunming Univ Sci & Technol, Res Ctr Anal & Measurement, Kunming 650093, Peoples R China
5.Jingdezhen Ceram Inst, Jingdezhen 333001, Jiangxi, Peoples R China
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Li, K. J.,Liang, H. F.,Feng, W.,et al. The rotation signal in daily sunspot areas[J]. ASTROPHYSICS AND SPACE SCIENCE,2011,331(2):441-445.
APA Li, K. J.,Liang, H. F.,Feng, W.,&Zhan, L. S..(2011).The rotation signal in daily sunspot areas.ASTROPHYSICS AND SPACE SCIENCE,331(2),441-445.
MLA Li, K. J.,et al."The rotation signal in daily sunspot areas".ASTROPHYSICS AND SPACE SCIENCE 331.2(2011):441-445.
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