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WHY IS THE SOLAR CONSTANT NOT A CONSTANT?
Li KJ(李可军)1,2; Feng, W3; Xu JC(徐景晨)1,4; Gao PX(高朋鑫)1; Yang LH(杨丽恒)1,4; Liang, HF5; Zhan, LS6; Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2012-03-10
卷号747期号:2
DOI10.1088/0004-637X/747/2/135
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: General Sunspots
摘要In order to probe the mechanism of variations of the solar constant on the inter-solar-cycle scale, the total solar irradiance (TSI; the so-called solar constant) in the time interval of 1978 November 7 to 2010 September 20 is decomposed into three components through empirical mode decomposition and time-frequency analyses. The first component is the rotation signal, counting up to 42.31% of the total variation of TSI, which is understood to be mainly caused by large magnetic structures, including sunspot groups. The second is an annual-variation signal, counting up to 15.17% of the total variation, the origin of which is not known at this point in time. Finally, the third is the inter-solar-cycle signal, counting up to 42.52%, which is inferred to be caused by the network magnetic elements in quiet regions, whose magnetic flux ranges from (4.27-38.01) x 10(19) Mx.
项目资助者Natural Science Funds of China [10873032, 10921303, 11147125, 11073010] ; 973 project [2011CB811406] ; Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
归档日期2012-02-29
WOS记录号WOS:000302856400051
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]IRRADIANCE ; CYCLE ; PERIODICITIES ; LUMINOSITY ; EVOLUTION
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6206
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.Research Center of Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
4.Graduate School of CAS, Beijing 100863, China
5.Department of Physics, Yunnan Normal University, Kunming 650093, China
6.Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China
推荐引用方式
GB/T 7714
Li KJ,Feng, W,Xu JC,et al. WHY IS THE SOLAR CONSTANT NOT A CONSTANT?[J]. ASTROPHYSICAL JOURNAL,2012,747(2).
APA Li KJ.,Feng, W.,Xu JC.,Gao PX.,Yang LH.,...&Li, KJ .(2012).WHY IS THE SOLAR CONSTANT NOT A CONSTANT?.ASTROPHYSICAL JOURNAL,747(2).
MLA Li KJ,et al."WHY IS THE SOLAR CONSTANT NOT A CONSTANT?".ASTROPHYSICAL JOURNAL 747.2(2012).
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