Optical observations of Scorpius X-1 in 2008: Evidence of rapid variability
文献类型：期刊论文
| 作者 | Cao XiaoFeng1,2; Yu WenFei1 ; Yan Zhen1; Sun Li1
|
| 刊名 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
 |
| 出版日期 | 2010 |
| 卷号 | 53期号:1页码:143-146 |
| 关键词 | accretion disks stars: individual (Scorpius X-1) optical: stars |
| 英文摘要 | Optical observations of Sco X-1 with exposure times around 0.5 s were performed with the 1.56 m telescope of the Shanghai Astronomical Observatory in 2008. With these observations, we studied the fluctuation of the optical flux on three short timescales (5, 10, 100 s). We found that the standard deviations of fluctuations on these three timescales differ from those of Gaussian distributions by 7 Sigma, 5 Sigma and 3 Sigma, respectively. The result suggests that the variations in the intensity on these short timescales differ from pure statistical fluctuations, which, we suggest, is due to the intrinsic variability in the optical emission. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Physics, Multidisciplinary |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | X-RAY ; COORDINATED OBSERVATIONS ; RADIO BEHAVIOR ; SCO X-1 ; NOISE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000280291800033 |
| 公开日期 | 2011-06-29 |
| 源URL | [http://119.78.226.72//handle/331011/13401]  |
| 专题 | 上海天文台_星系宇宙学重点实验室 |
| 作者单位 | 1.Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Huazhong Normal Univ, Inst Astrophys, Wuhan 430079, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cao XiaoFeng,Yu WenFei,Yan Zhen,et al. Optical observations of Scorpius X-1 in 2008: Evidence of rapid variability[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2010,53(1):143-146. |
| APA | Cao XiaoFeng,Yu WenFei,Yan Zhen,&Sun Li.(2010).Optical observations of Scorpius X-1 in 2008: Evidence of rapid variability.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,53(1),143-146. |
| MLA | Cao XiaoFeng,et al."Optical observations of Scorpius X-1 in 2008: Evidence of rapid variability".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 53.1(2010):143-146. |
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来源：上海天文台
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