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REGULARITY OF THE NORTH-SOUTH ASYMMETRY OF SOLAR ACTIVITY: REVISITED
Zhang J(张娟)1,2,3; Feng, W4,5; Zhang, J (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMICAL JOURNAL
2015-09
卷号150期号:3
DOI10.1088/0004-6256/150/3/74
产权排序第1完成单位
收录类别SCI
关键词Methods: Data Analysis Sun: Activity Sun: General Sunspots
摘要Extended time series of Solar Activity Indices (ESAI) extended the Greenwich series of sunspot area from the year 1874 back to 1821. The ESAI's yearly sunspot area in the northern and southern hemispheres from 1821 to 2013 is utilized to investigate characteristics of the north-south hemispherical asymmetry of sunspot activity. Periodical behavior of about 12 solar cycles is also confirmed from the ESAI data set to exist in dominant hemispheres, linear regression lines of yearly asymmetry values, and cumulative counts of yearly sunspot areas in the hemispheres for solar cycles. The period is also inferred to appear in both the cumulative difference in the yearly sunspot areas in the hemispheres over the entire time interval and in its statistical Student's t-test. The hemispherical bias of sunspot activity should be regarded as an impossible stochastic phenomenon over a long time period.
项目资助者National Natural Science Foundation of China [11221063, 11273057] ; 973 programs [2012CB957801, 2011CB811406] ; Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2015-11-10
WOS记录号WOS:000364008100010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]N-S ASYMMETRY ; LONG-TERM VARIATION ; NUMBERS R-N ; SUNSPOT NUMBERS ; STATISTICAL-ANALYSIS ; MAGNETIC-FIELD ; FLARE INDEX ; DYNAMO ; AREAS ; CYCLE
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被引频次:9[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/114a53/6264
专题太阳物理研究组
通讯作者Zhang, J (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, CAS, Kunming 650011, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, China
4.Research Center of Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
5.Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University) Ministry of Education, Nanjing 210093, China
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Zhang J,Feng, W,Zhang, J . REGULARITY OF THE NORTH-SOUTH ASYMMETRY OF SOLAR ACTIVITY: REVISITED[J]. ASTRONOMICAL JOURNAL,2015,150(3).
APA Zhang J,Feng, W,&Zhang, J .(2015).REGULARITY OF THE NORTH-SOUTH ASYMMETRY OF SOLAR ACTIVITY: REVISITED.ASTRONOMICAL JOURNAL,150(3).
MLA Zhang J,et al."REGULARITY OF THE NORTH-SOUTH ASYMMETRY OF SOLAR ACTIVITY: REVISITED".ASTRONOMICAL JOURNAL 150.3(2015).
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