巨蛇座τ⁶
- 在拜耳命名法中的其它恒星，参见巨蛇座τ.
| 观测资料 历元 J2000.0 | |
|---|---|
| 星座 | 巨蛇座 |
| 星官 | |
| 赤经 | 15h 40m 59.1008s[1] |
| 赤纬 | +16° 01′ 28.517″[1] |
| 视星等（V） | 6.000[1] |
| 特性 | |
| 光谱分类 | G8III[1] |
| U−B 色指数 | +0.61[2] |
| B−V 色指数 | +0.90[2] |
| R−I 色指数 | +0.46[2] |
| 天体测定 | |
| 径向速度 (Rv) | 3.4 ± 0.9[1] km/s |
| 自行 (μ) | 赤经：22.16[1] mas/yr 赤纬：−16.80[1] mas/yr |
| 视差 (π) | 7.24 ± 0.79[1] mas |
| 距离 | approx. 450 ly (approx. 140 pc) |
| 绝对星等 (MV) | 0.3[3] |
| 详细资料 | |
| 半径 | 11[4] R☉ |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
巨蛇座τ6（Tau6 Ser、τ6 Serpentis或τ6 Ser）是一颗位于巨蛇座的G型巨星，约距离地球450光年。[1]其视星等大约为6.000，[1]并且属于大熊座移动星群的一员。[2]
参考资料
[编辑]- ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 * 19 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
- ^ 2.0 2.1 2.2 2.3 HR 5840, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 19, 2008.
- ^ From apparent magnitude and parallax.
- ^ HD 140027, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line September 19, 2008.
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