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Temporal Evolution of the Rotation of the Interplanetary Magnetic FieldB(x),B-y, andB(z)Components
Xiang NB(向南彬)1,2,5; Ning, Z. J.2; Li, F. Y.3,4
通讯作者Xiang, N. B.(nanbin@ynao.ac.cn)
发表期刊The Astrophysical Journal
2020-06-01
卷号896期号:1页码:13
DOI10.3847/1538-4357/ab91bc
产权排序第1完成单位
收录类别SCI
关键词Interplanetary magnetic fields
摘要

The daily interplanetary magnetic field (IMF) Bx, By, and Bz components from 1967 January 1 to 2018 December 31 listed in the OMNI database are used to investigate their periodicity and study temporal variation of their rotation cycle lengths through continuous wavelet transform, autocorrelation, and cross-correlation analyses. The dominant rotation period in each of the daily Bx, By, and Bz components is 27.4 days, implying the existence of rotational modulation in the three time series. The dependence of the rotation cycle lengths for both Bx and By components on solar cycle phase almost shows the same result. The rotation cycle lengths for both Bx and By components increase from the start to the first year of a new Schwabe cycle, then decrease gradually from the first to the fourth year, and finally fluctuate around the 27.4-day period within a small amplitude from the fourth year to the end of the Schwabe solar cycle. For the Bz component, its rotation cycle length does not show such a solar cycle variation. The significant periods in the variation of Bx rotation are 2.9, 3.4, 4.3, 4.9, 10.5, and 11.9 yr, and there exist significant periods of 3.4, 9.9, and 14.1 yr in the variation of By rotation. The relationship of solar activity with Bx and By components is complex. The possible mechanisms for the temporal variation of the rotation period of the three components are discussed.

资助项目National Natural Science Foundation of China[11633008] ; National Natural Science Foundation of China[11603069] ; Key Laboratory of Dark Matter and Space Astronomy ; Specialized Research Fund for State Key Laboratories ; Collaborating Research Program of CAS Key Laboratory of Solar Activity[KLSA201911] ; Chinese Academy of Sciences
项目资助者National Natural Science Foundation of China[11633008, 11603069] ; Key Laboratory of Dark Matter and Space Astronomy ; Specialized Research Fund for State Key Laboratories ; Collaborating Research Program of CAS Key Laboratory of Solar Activity[KLSA201911] ; Chinese Academy of Sciences
语种英语
学科领域天文学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000541824900001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SOLAR DIFFERENTIAL ROTATION ; SHORT-TERM PERIODICITIES ; CORONAL BRIGHT POINTS ; SOHO-EIT IMAGES ; WAVELET TRANSFORM ; SUNSPOT AREAS ; FIELD ; CYCLE ; WIND ; SUN
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被引频次:6[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/114a53/23440
专题抚仙湖太阳观测和研究基地
通讯作者Xiang NB(向南彬)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, People's Republic of China
2.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Nanjing 210008, People's Republic of China
3.School of Earth and Space Sciences, Peking University, Beijing 100871, People's Republic of China
4.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
5.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, People's Republic of China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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GB/T 7714
Xiang NB,Ning, Z. J.,Li, F. Y.. Temporal Evolution of the Rotation of the Interplanetary Magnetic FieldB(x),B-y, andB(z)Components[J]. The Astrophysical Journal,2020,896(1):13.
APA Xiang NB,Ning, Z. J.,&Li, F. Y..(2020).Temporal Evolution of the Rotation of the Interplanetary Magnetic FieldB(x),B-y, andB(z)Components.The Astrophysical Journal,896(1),13.
MLA Xiang NB,et al."Temporal Evolution of the Rotation of the Interplanetary Magnetic FieldB(x),B-y, andB(z)Components".The Astrophysical Journal 896.1(2020):13.
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