Disks around massive young stellar objects: Are they common?
文献类型：期刊论文
| 作者 | Jiang, Zhibo1 ; Tamura, Motohide2,3; Hoare, Melvin G.4; Yao, Yongqiang5; Ishii, Miki3; Fang, Min1; Yang, Ji1
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| 刊名 | ASTROPHYSICAL JOURNAL LETTERS
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| 出版日期 | 2008-02-01 |
| 卷号 | 673期号:2页码:L175-L179 |
| 关键词 | circumstellar matter reflection nebulae stars : formation |
| 英文摘要 | We present K-band polarimetric images of several massive young stellar objects at resolutions similar to 0.1 ''-0.5 ''. The polarization vectors around these sources are nearly centrosymmetric, indicating they are dominating the illumination of each field. Three out of the four sources show elongated low-polarization structures passing through the centers, suggesting the presence of polarization disks. These structures and their surrounding reflection nebulae make up bipolar outflow/disk systems, supporting the collapse/accretion scenario as their low-mass siblings. In particular, S140 IRS 1 shows well-defined outflow cavity walls and a polarization disk which matches the direction of previously observed equatorial disk wind, thus confirming that the polarization disk is actually the circumstellar disk. To date, a dozen massive protostellar objects show evidence for the existence of disks; our work adds additional samples around massive young stellar objects equivalent to early B type stars. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics; Physics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | BISPECTRUM SPECKLE INTERFEROMETRY ; STAR-FORMATION ; IMAGING POLARIMETRY ; MOLECULAR CLOUD ; PROTOSTELLAR OBJECT ; CIRCUMSTELLAR DISK ; BIPOLAR OUTFLOW ; POLARIZATION ; CLUSTER ; REGION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000255233000018 |
| 公开日期 | 2011-12-29 |
| 源URL | [http://159.226.72.40/handle/332002/1843]  |
| 专题 | 紫金山天文台_分子云与恒星形成研究团组 |
| 作者单位 | 1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China 2.Natl Astron Observ, Mitaka, Tokyo 1818588, Japan 3.Natl Inst Nat Sci, Natl Astron Observ Japan, Subaru Telescope, Hilo, HI 96720 USA 4.Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England 5.Natl Astron Observ, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Zhibo,Tamura, Motohide,Hoare, Melvin G.,et al. Disks around massive young stellar objects: Are they common?[J]. ASTROPHYSICAL JOURNAL LETTERS,2008,673(2):L175-L179. |
| APA | Jiang, Zhibo.,Tamura, Motohide.,Hoare, Melvin G..,Yao, Yongqiang.,Ishii, Miki.,...&Yang, Ji.(2008).Disks around massive young stellar objects: Are they common?.ASTROPHYSICAL JOURNAL LETTERS,673(2),L175-L179. |
| MLA | Jiang, Zhibo,et al."Disks around massive young stellar objects: Are they common?".ASTROPHYSICAL JOURNAL LETTERS 673.2(2008):L175-L179. |
入库方式： OAI收割
来源：紫金山天文台
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