格利澤185
格利澤185是位於天兔座的一顆紅矮星，他與太陽系的距離大約是28光年。這顆恆星大約在35,000年後會最靠近太陽，屆時的距離大約是14.8光年 (4.5秒差距)[5]。
| 觀測資料 曆元 J2000 | |
|---|---|
| 星座 | 天兔座 |
| 星官 | |
| 赤經 | 05h 02m 28.4215s[1] |
| 赤緯 | −21° 15′ 23.921″[1] |
| 視星等（V） | 8.36 |
| 特性 | |
| 光谱分类 | M0 V[2] |
| 天体测定 | |
| 徑向速度 (Rv) | −15.2[3] km/s |
| 自行 (μ) | 赤经：−141.56[1] mas/yr 赤纬：−221.75[1] mas/yr |
| 视差 (π) | 117.38 ± 1.81[1] mas |
| 距离 | 27.8 ± 0.4 ly (8.5 ± 0.1 pc) |
| 其他命名 | |
參考資料
- Perryman, M. A. C.; et al.. . Astronomy & Astrophysics. July 1997, 323: L49–L52. Bibcode:1997A&A...323L..49P.
- Koen, C.; Kilkenny, D.; van Wyk, F.; Cooper, D.; Marang, F. . Monthly Notices of the Royal Astronomical Society. July 2002, 334 (1): 20–38. Bibcode:2002MNRAS.334...20K. doi:10.1046/j.1365-8711.2002.05403.x.
- Evans, D. S. . Batten, Alan Henry; Heard, John Frederick (编). . University of Toronto: International Astronomical Union. June 20–24, 1966 [2009-09-10].
- . SIMBAD. Centre de Données astronomiques de Strasbourg. [2010-04-06].
- García-Sánchez, J.; Weissman, P. R.; Preston, R. A.; Jones, D. L.; Lestrade, J.-F.; Latham, D. W.; Stefanik, R. P.; Paredes, J. M. . Astronomy and Astrophysics. 2001, 379 (2): 634–659. Bibcode:2001A&A...379..634G. doi:10.1051/0004-6361:20011330. See Table 4, p. 644.
Template:Star systems within 25 – 30 light-years
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.