Search for CO isotopes in cores of massive molecular clouds
文献类型：期刊论文
| 作者 | Wu, YF; Wu, JW; Wang, JZ; Yan, HR |
| 刊名 | CHINESE ASTRONOMY AND ASTROPHYSICS
 |
| 出版日期 | 2001 |
| 卷号 | 25期号:1页码:53-58 |
| 关键词 | interstellar molecules interstellar dynamics star formation |
| ISSN号 | 0275-1062 |
| 英文摘要 | Using the newly installed SIS receiving system of the 13.7 m telescope of PMO, the CO isotope line pair, (CO)-C-13 and (CO)-O-18 J = 1 - 0, were observed in a search for dense cores in 64 IRAS sources with high color indices or H2O masers. Maps were obtained for some of the sources. The line pair was detected in all the target sources. The emission of (CO)-C-13 J = 1 - 0 is strong showing that the emission regions are dense. The pair lines of the CO isotopes were measured for the first time in at least 60 sources. Antenna temperatures, center velocities and line widths are obtained with Gaussian fitting. Preliminary analyses were made for the emission intensities and line profiles. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | REGIONS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000167510400007 |
| 公开日期 | 2013-01-31 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/8209]  |
| 专题 | 紫金山天文台_期刊（老文献） |
| 作者单位 | 1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China 2.CAS Peking Univ Joint Beijing Astrophys Ctr, Beijing 100871, Peoples R China 3.Chinese Acad Sci, Purple Mt Observ, Qinghai Stn, Delingha 817000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, YF,Wu, JW,Wang, JZ,et al. Search for CO isotopes in cores of massive molecular clouds[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2001,25(1):53-58. |
| APA | Wu, YF,Wu, JW,Wang, JZ,&Yan, HR.(2001).Search for CO isotopes in cores of massive molecular clouds.CHINESE ASTRONOMY AND ASTROPHYSICS,25(1),53-58. |
| MLA | Wu, YF,et al."Search for CO isotopes in cores of massive molecular clouds".CHINESE ASTRONOMY AND ASTROPHYSICS 25.1(2001):53-58. |
入库方式： OAI收割
来源：紫金山天文台
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