热门
The distance to the Perseus spiral arm in the Milky Way
文献类型：期刊论文
| 作者 | Xu, Y ; Reid, MJ; Zheng, XW; Menten, KM
|
| 刊名 | SCIENCE
 |
| 出版日期 | 2006-01-06 |
| 卷号 | 311期号:5757页码:54-57 |
| 英文摘要 | We have measured the distance to the massive star-forming region W3OH in the Perseus Spiral arm of the Milky Way to be 1.95 +/- 0.04 kitoparsecs (5.86 X 10(16) km). This distance was determined by triangulation, with Earth's orbit as one segment of a triangle, using the Very Long Baseline Array. This resolves the long-standing problem that there is a discrepancy of a factor of 2 between different techniques used to determine distances. The reason for the discrepancy is that this portion of the Perseus arm has anomalous motions. The orientation of the anomalous motion agrees with spiral density-wave theory, but the magnitude of the motion is somewhat larger than most models predict. |
| WOS标题词 | Science & Technology |
| 类目[WOS] | Multidisciplinary Sciences |
| 研究领域[WOS] | Science & Technology - Other Topics |
| 关键词[WOS] | GHZ METHANOL MASERS ; KINEMATICS ; GALAXIES ; REGIONS ; W3(OH) |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000234546300029 |
| 源URL | [http://119.78.226.72/handle/331011/19491]  |
| 专题 | 上海天文台_天文地球动力学研究中心 |
| 作者单位 | 1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China 2.Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA 3.Chinese Acad Sci, Shanghai Astron Observ, Shanghai, Peoples R China 4.Max Planck Inst Radioastron, D-53121 Bonn, Germany |
| 推荐引用方式 GB/T 7714 | Xu, Y,Reid, MJ,Zheng, XW,et al. The distance to the Perseus spiral arm in the Milky Way[J]. SCIENCE,2006,311(5757):54-57. |
| APA | Xu, Y,Reid, MJ,Zheng, XW,&Menten, KM.(2006).The distance to the Perseus spiral arm in the Milky Way.SCIENCE,311(5757),54-57. |
| MLA | Xu, Y,et al."The distance to the Perseus spiral arm in the Milky Way".SCIENCE 311.5757(2006):54-57. |
入库方式： OAI收割
来源：上海天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。