Scintillation dynamic spectra and transverse velocities of seven pulsars
文献类型：期刊论文
| 作者 | Wang, N ; Wu, XJ; Manchester, RN; Zhang, J; Yusup, A; Zhang, HB
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| 刊名 | CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
 |
| 出版日期 | 2001-10-01 |
| 卷号 | 1期号:5页码:421-432 |
| 关键词 | pulsars : general ISM : general |
| ISSN号 | 1009-9271 |
| 通讯作者 | na.wang@xao.ac.cn |
| 英文摘要 | Using a pulsar timing system developed at Urumqi Astronomical Observatory's 25-m telescope, we observed scintillation dynamic spectra for seven pulsars at the relatively high frequency of 1540 MHz over a wide frequency band of 320 MHz. Averaging observations at different epochs, we obtain time scales and decorrelation bandwidths for diffractive scintillation and show that these imply a power-law index for the electron density fluctuation close to 4.0. Assuming this value and that the scattering disk is approximately midway between the pulsar and the earth, we complete transverse velocities for the seven pulsars. These values are generally in good agreement with the proper motion velocities. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | 致密天体、高能和基础物理 |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | REFRACTIVE INTERSTELLAR SCINTILLATION ; RADIO PULSARS ; PROPER MOTIONS ; SCATTERING |
| 收录类别 | SCI |
| 资助信息 | NNSFC |
| 原文出处 | http://www.chjaa.org/ |
| 语种 | 英语 |
| WOS记录号 | WOS:000172419200006 |
| 公开日期 | 2013-03-06 |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/60]  |
| 专题 | 脉冲星研究团组 25米望远镜运行组 射电天文研究室_利用南山26米射电望远镜观测数据的文章 |
| 作者单位 | 1.NAO CAS, Urumqi Astron Observ, Urumqi 830011, Peoples R China 2.Peking Univ, Dept Astron, Beijing 100871, Peoples R China 3.CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia 4.CAS PKU Joint Beijing Astrophys Ctr, Beijing 100871, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, N,Wu, XJ,Manchester, RN,et al. Scintillation dynamic spectra and transverse velocities of seven pulsars[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2001,1(5):421-432. |
| APA | Wang, N,Wu, XJ,Manchester, RN,Zhang, J,Yusup, A,&Zhang, HB.(2001).Scintillation dynamic spectra and transverse velocities of seven pulsars.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,1(5),421-432. |
| MLA | Wang, N,et al."Scintillation dynamic spectra and transverse velocities of seven pulsars".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 1.5(2001):421-432. |
入库方式： OAI收割
来源：新疆天文台
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