INTERFERENCE OF THE RUNNING WAVES AT LIGHT BRIDGES OF A SUNSPOT
文献类型：期刊论文
| 作者 | Su, J. T.1; Ji, K. F.2; Banerjee, D.3; Cao, W. D.4; Priya, T. G.1; Zhao, J. S.5; Yu, S. J.1; Ji, H. S.5; Zhang, M.1 |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2016 |
| 卷号 | 816期号:1 |
| 关键词 | Sun: chromosphere Sun: magnetic fields Sun: oscillations sunspots Supporting material: animation |
| 英文摘要 | The observations of chromospheric oscillations of two umbral light bridges (LBs) within a sunspot from NOAA Active Region 12127 are presented. It was found that the running umbral waves with periods of 2.2-2.6 minutes underwent very fast damping before approaching umbral boundaries, while those with higher periods (>2.6 minutes) could propagate outside umbrae. On two sides of each LB adjacent to umbrae, the cross-wavelet spectra displayed that the oscillations on them had a common significant power region with dominant frequencies of 2-6 minutes and phase differences of similar to 90 degrees. A counterstream of two running umbral waves in the 2-6 minute frequency range propagated toward the LBs, where they encountered each other and gave rise to constructive or even destructive interference on the LBs. In addition, the velocity and density perturbations on the LBs were found in opposite phases suggesting that the perturbations were caused by the downward propagating |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000368225100030 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/5464]  |
| 专题 | 国家天文台_太阳物理研究部 |
| 作者单位 | 1.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China 2.Kunming Univ Sci & Technol, Kunming 650093, Peoples R China 3.Indian Inst Astrophys, Bangalore 560034, Karnataka, India 4.Big Bear Solar Observ, Big Bear City, CA 92314 USA 5.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Su, J. T.,Ji, K. F.,Banerjee, D.,et al. INTERFERENCE OF THE RUNNING WAVES AT LIGHT BRIDGES OF A SUNSPOT[J]. ASTROPHYSICAL JOURNAL,2016,816(1). |
| APA | Su, J. T..,Ji, K. F..,Banerjee, D..,Cao, W. D..,Priya, T. G..,...&Zhang, M..(2016).INTERFERENCE OF THE RUNNING WAVES AT LIGHT BRIDGES OF A SUNSPOT.ASTROPHYSICAL JOURNAL,816(1). |
| MLA | Su, J. T.,et al."INTERFERENCE OF THE RUNNING WAVES AT LIGHT BRIDGES OF A SUNSPOT".ASTROPHYSICAL JOURNAL 816.1(2016). |
入库方式： OAI收割
来源：国家天文台
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