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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.
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2011-02
Volume331Issue:2Pages:441-445
DOI10.1007/s10509-010-0451-6
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Sunspots Sun: Rotation
AbstractThe 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.
Funding OrganizationNSFC [10873032, 10921303, 40636031] ; National Key Research Science Foundation [2006CB806303] ; Chinese Academy of Sciences
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2011-01-05
WOS IDWOS:000285785500006
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordPHOTOSPHERIC MAGNETIC-FIELDS ; N-S ASYMMETRY ; SOLAR ROTATION ; DIFFERENTIAL ROTATION ; PERIODICITIES ; CYCLES ; NUMBER ; 27-DAY ; MODE ; LONGITUDES
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6184
Collection太阳物理研究组
Corresponding AuthorLi, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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