THE ENERGY DEPENDENCE OF THE CENTROID FREQUENCY AND PHASE LAG OF THE QUASI-PERIODIC OSCILLATIONS IN GRS 1915+105
文献类型：期刊论文
| 作者 | Qu, J. L.1; Lu, F. J.1; Lu, Y.1 ; Song, L. M.1; Zhang, S.1; Ding, G. Q.2; Wang, J. M.1
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2010-02-10 |
| 卷号 | 710期号:1页码:836-842 |
| 关键词 | accretion, accretion disks black hole physics stars: individual (GRS 1915+105) stars: oscillations |
| 英文摘要 | We present a study of the centroid frequencies and phase lags of quasi-periodic oscillations (QPOs) as functions of photon energy for GRS 1915+105. It is found that the centroid frequencies of the 0.5-10 Hz QPOs and their phase lags are both energy dependent, and there exists an anticorrelation between the QPO frequency and phase lag. These new results challenge the popular QPO models, because none of them can fully explain the observed properties. We suggest that the observed QPO phase lags are partially due to the variation of the QPO frequency with energy, especially for those with frequency higher than 3.5 Hz. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000273850800065 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/7652]  |
| 专题 | 国家天文台_星系宇宙学研究部 |
| 作者单位 | 1.Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China 2.NAOC, Urumqi Observ, Urumqi 830011, Xinjiang, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qu, J. L.,Lu, F. J.,Lu, Y.,et al. THE ENERGY DEPENDENCE OF THE CENTROID FREQUENCY AND PHASE LAG OF THE QUASI-PERIODIC OSCILLATIONS IN GRS 1915+105[J]. ASTROPHYSICAL JOURNAL,2010,710(1):836-842. |
| APA | Qu, J. L..,Lu, F. J..,Lu, Y..,Song, L. M..,Zhang, S..,...&Wang, J. M..(2010).THE ENERGY DEPENDENCE OF THE CENTROID FREQUENCY AND PHASE LAG OF THE QUASI-PERIODIC OSCILLATIONS IN GRS 1915+105.ASTROPHYSICAL JOURNAL,710(1),836-842. |
| MLA | Qu, J. L.,et al."THE ENERGY DEPENDENCE OF THE CENTROID FREQUENCY AND PHASE LAG OF THE QUASI-PERIODIC OSCILLATIONS IN GRS 1915+105".ASTROPHYSICAL JOURNAL 710.1(2010):836-842. |
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来源：国家天文台
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