| Sub-milliarcsecond radio structure of three quasars | |
Su BM(苏步美)1 ; Li YS(李永生)1; Baath, LB2; Gao YF(高亦菲)1; Su, BM (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
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| 发表期刊 | CHINESE ASTRONOMY AND ASTROPHYSICS
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| 2001-01 | |
| 卷号 | 25期号:1页码:23-28 |
| DOI | 10.1016/S0275-1062(01)00039-X |
| 产权排序 | 第1完成单位 |
| 收录类别 | SCI |
| 关键词 | Quasar Radio Emission Sub-milliarcsecond Structure |
| 摘要 | The quasars, 0420-014, 0748+126 and 2251+158 (3C 454.3), have been observed at 1.3cm with a global VLBI network. We have obtained the hybrid maps of the quasars at sub-milliarcsecond resolution. The brightness distribution is revealed in their nuclear regions. The observed data are fitted with a small number of Gaussian components. 2251+158 shows a core-jet structure, and its nuclear region is elongated in the direction PA = -130 degrees. The jet is curved. Its observations at the epoch 1992.9 show it to be in the course of a large burst, accompanied by several smaller ones. The strongest component has a flux of similar to 4.11 Jy (67% of the total detected flux), mostly from an area of 0.16 x 0.01 mas. Doppler boosting is probably responsible for raising the brightness temperature up to 2.6 x 10(12) K. |
| 语种 | 英语 |
| 学科领域 | Astronomy & Astrophysics |
| 文章类型 | Article |
| ISSN | 0275-1062 |
| URL | 查看原文 |
| WOS记录号 | WOS:000167510400003 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/4133 |
| 专题 | 其他 |
| 通讯作者 | Su, BM (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China. |
| 作者单位 | 1.Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011 China 2.Center for Imaging Technologies, Halmstad Univ. S-301 18 Halmstad, Sweden |
| 第一作者单位 | 中国科学院云南天文台 |
| 推荐引用方式 GB/T 7714 | Su BM,Li YS,Baath, LB,et al. Sub-milliarcsecond radio structure of three quasars[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2001,25(1):23-28. |
| APA | Su BM,Li YS,Baath, LB,Gao YF,&Su, BM .(2001).Sub-milliarcsecond radio structure of three quasars.CHINESE ASTRONOMY AND ASTROPHYSICS,25(1),23-28. |
| MLA | Su BM,et al."Sub-milliarcsecond radio structure of three quasars".CHINESE ASTRONOMY AND ASTROPHYSICS 25.1(2001):23-28. |
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| Sub-milliarcsecond r（402KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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