| Infrared properties of barium stars | |
Chen PS(陈培生) ; Chen, PS (reprint author), CAS, Yunnan Observ, Kunming 650011, Peoples R China.
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| 发表期刊 | ASTRONOMY & ASTROPHYSICS
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| 2001-06 | |
| 卷号 | 372期号:1页码:245-248 |
| DOI | 10.1051/0004-6361:20010508 |
| 产权排序 | 第1完成单位 |
| 收录类别 | SCI ; EI |
| 关键词 | Stars : Late-type Infrared : Stars Stars : Chemically Peculiar |
| 摘要 | We present the results of a systematic survey for IRAS associations of barium stars. A total of 155 associations were detected, and IRAS low-resolution spectra exist for 50 barium stars. We use different color-color diagrams from the visual band to 60 mum, relations between these colors and the spectral type, the barium intensity, and the IRAS low-resolution spectra to discuss physical properties of barium stars in the infrared. It is confirmed that most barium stars have infrared excesses in the near infrared. However, a new result of this work is that most barium stars have no excesses in the far infrared. This fact may imply that infrared excesses of barium stars are mainly due to the re-emission of energy lost from the Bond-Neff depression. It is also shown that the spectral type and the barium intensity of barium stars are not correlated with infrared colors, but may be correlated with V-K color. |
| 语种 | 英语 |
| 学科领域 | Astronomy & Astrophysics |
| 文章类型 | Article |
| ISSN | 0004-6361 |
| URL | 查看原文 |
| 归档日期 | 2001-06-13 |
| WOS记录号 | WOS:000169962300030 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 关键词[WOS] | CLASSIFICATION ; PHOTOMETRY ; PASSBANDS ; EXCESSES |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/4125 |
| 专题 | 其他 |
| 通讯作者 | Chen, PS (reprint author), CAS, Yunnan Observ, Kunming 650011, Peoples R China. |
| 作者单位 | Yunnan Observatory & United Laboratory of Optical Astronomy, CAS, Kunming 650011, PR China |
| 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 | Chen PS,Chen, PS . Infrared properties of barium stars[J]. ASTRONOMY & ASTROPHYSICS,2001,372(1):245-248. |
| APA | Chen PS,&Chen, PS .(2001).Infrared properties of barium stars.ASTRONOMY & ASTROPHYSICS,372(1),245-248. |
| MLA | Chen PS,et al."Infrared properties of barium stars".ASTRONOMY & ASTROPHYSICS 372.1(2001):245-248. |
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| Infrared properties （204KB） | 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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