Study on the Temporal Evolution of the Radial Differential Rotation of Solar Corona Using Radio Emissions
文献类型：期刊论文
| 作者 | Xiang NB(向南彬)3,4,5 ; Zhao, X. H.4; Deng, L. H.2; Li, F. Y.1; Wang, Y. J.2; Tan, X. W.2
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2024-11-01 |
| 卷号 | 976期号:1 |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/ad8641 |
| 产权排序 | 第1完成单位 |
| 文献子类 | Article |
| 英文摘要 | The daily measurements of the disk-integrated solar radio flux, observed by the Radio Solar Telescope Network, at 245, 410, 610, 1415, 2695, 4995, and 8800 MHz during the time interval of 1989 January 1 to 2019 December 17, are used to investigate the temporal evolution of radial differential rotation of the solar corona using the methods of ensemble empirical mode decomposition (EEMD) and wavelet analysis. Overall, the results reveal that over the 30 yr period, the rotation rates for the observed solar radio flux within the frequency range of 245-8800 MHz show an increase with frequency. This verifies the existence of the radial differential rotation of the solar corona over long timescales of nearly three solar cycles. Based on the radio emission mechanism, to some extent, the results can also serve as an indicator of how the rotation of the solar upper atmosphere varies with altitude within a specific range. From the temporal variation of rotation cycle lengths of radio flux, the coronal rotation at different altitudes from the low corona to approximately 1.3 R circle dot exhibits complex temporal variations with the progression of the solar cycle. However, in this altitude range, over the past 30 yr from 1989 to 2019, the coronal rotation consistently becomes gradually slower as the altitude increases. Finally, the EEMD method can extract rotation cycle signals from these highly randomized radio emissions, and so it can be used to investigate the rotation periods for the radio emissions at higher or lower frequencies. |
| 学科主题 | 天文学 ; 太阳与太阳系 |
| URL标识 | 查看原文 |
| 出版地 | TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND |
| WOS关键词 | EMPIRICAL MODE DECOMPOSITION ; RIEGER-TYPE PERIODICITY ; MAGNETIC-FIELD ; QUIET-SUN ; WAVELET TRANSFORM ; TIME ; IMAGES ; METER ; CYCLE ; TERM |
| 资助项目 | National Natural Science Foundation of China[12373059]; National Natural Science Foundation of China[12203054]; National Natural Science Foundation of China[42474224]; Strategic Priority Research Program of Chinese Academy of Sciences[XDB 41000000]; Yunnan Revitalization Talent Support Program Innovation Team Project[202405AS350012]; Yunnan Fundamental Research Projects[202301AV070007]; Sichuan Science and Technology Program[2023NSFSC1349]; Beijing Natural Science Foundation[1242035]; Specialized Research Fund for State Key Laboratories; Chinese Academy of Sciences |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001354868300001 |
| 出版者 | IOP Publishing Ltd |
| 资助机构 | National Natural Science Foundation of China[12373059, 12203054, 42474224] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB 41000000] ; Yunnan Revitalization Talent Support Program Innovation Team Project[202405AS350012] ; Yunnan Fundamental Research Projects[202301AV070007] ; Sichuan Science and Technology Program[2023NSFSC1349] ; Beijing Natural Science Foundation[1242035] ; Specialized Research Fund for State Key Laboratories ; Chinese Academy of Sciences |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/27686]  |
| 专题 | 云南天文台_抚仙湖太阳观测站 |
| 作者单位 | 1.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, People's Republic of China 2.School of Mathematics and Computer Science, Yunnan Minzu University, Kunming 650504, People's Republic of China; linhua.deng@ymu.edu.cn; 3.Yunnan Key Laboratory of Solar Physics and Space Science, Kunming 650216, People's Republic of China; 4.State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, People's Republic of China; xhzhao@spaceweather.ac.cn; 5.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, People's Republic of China; nanbin@ynao.ac.cn; |
| 推荐引用方式 GB/T 7714 | Xiang NB,Zhao, X. H.,Deng, L. H.,et al. Study on the Temporal Evolution of the Radial Differential Rotation of Solar Corona Using Radio Emissions[J]. ASTROPHYSICAL JOURNAL,2024,976(1). |
| APA | 向南彬,Zhao, X. H.,Deng, L. H.,Li, F. Y.,Wang, Y. J.,&Tan, X. W..(2024).Study on the Temporal Evolution of the Radial Differential Rotation of Solar Corona Using Radio Emissions.ASTROPHYSICAL JOURNAL,976(1). |
| MLA | 向南彬,et al."Study on the Temporal Evolution of the Radial Differential Rotation of Solar Corona Using Radio Emissions".ASTROPHYSICAL JOURNAL 976.1(2024). |
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