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The rotation signal in daily sunspot areas
Li KJ(李可军)1,2; Liang, HF3; Feng, W4; Zhan, LS5; Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2011-02
卷号331期号:2页码:441-445
DOI10.1007/s10509-010-0451-6
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Sunspots Sun: Rotation
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.
项目资助者NSFC [10873032, 10921303, 40636031] ; National Key Research Science Foundation [2006CB806303] ; Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
归档日期2011-01-05
WOS记录号WOS:000285785500006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PHOTOSPHERIC MAGNETIC-FIELDS ; N-S ASYMMETRY ; SOLAR ROTATION ; DIFFERENTIAL ROTATION ; PERIODICITIES ; CYCLES ; NUMBER ; 27-DAY ; MODE ; LONGITUDES
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6184
专题太阳物理研究组
通讯作者Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, CAS, Kunming, 650011, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing, 100012, China
3.Department of Physics, Yunnan Normal University, Kunming, 650093, China
4.Research Center of Analysis and Measurement, Kunming University of Science and Technology, Kunming, 650093, China
5.Jingdezhen Ceramic Institute, Jingdezhen, 333001, Jiangxi, China
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Li KJ,Liang, HF,Feng, W,et al. The rotation signal in daily sunspot areas[J]. ASTROPHYSICS AND SPACE SCIENCE,2011,331(2):441-445.
APA Li KJ,Liang, HF,Feng, W,Zhan, LS,&Li, KJ .(2011).The rotation signal in daily sunspot areas.ASTROPHYSICS AND SPACE SCIENCE,331(2),441-445.
MLA Li KJ,et al."The rotation signal in daily sunspot areas".ASTROPHYSICS AND SPACE SCIENCE 331.2(2011):441-445.
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