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格利泽205

天球赤道座标：星图 05h 31m 27.39578s, −03° 40′ 38.0240″
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GJ 205
Gliese 205 is located in the constellation Orion
Gliese 205 is located in the constellation Orion
Gliese 205
格利泽205在猎户座的位置

观测资料
历元 J2000
星座 猎户座
星官
赤经 05h 31m 27.39578s[1]
赤纬 −03° 40′ 38.0240″[1]
视星等（V） 7.932[2]
特性
演化阶段红矮星
光谱分类M1.5V[3]
天体测定
径向速度 (Rv)8.26[1] km/s
自行 (μ) 赤经：761.631 mas/yr
赤纬：−2092.209 mas/yr
视差 (π)175.3131 ± 0.0204[1] mas
距离18.604 ± 0.002 ly
(5.7041 ± 0.0007 pc)
绝对星等 (MV)9.188[4]
详细资料
质量0.556[5] M☉
半径0.594[5] R☉
表面重力 (log g)4.703[5]
亮度0.062[5] L☉
温度3,891[5] K
金属量 [Fe/H]+0.23[5] dex
自转35.0±0.1 d[6]
自转速度 (v sin i)2.73[7] km/s
年龄2.6[2] Gyr
其他命名
BD−03°1123,[8] GJ 205,[9] HD 36395,[10] HIP 25878,[11] LHS 30,[12] SAO 132211,[13] Wolf 1453,[14] W. B. V. 592[15][16], Weisse I, 5h 592, [17][18][16] Strb. 1611[19][20], Cin. 705[21], Ci 20=334[22], G 99-15, LFT 416, LTT 2293, NLTT 15215[23] PLX 1255,[24] TYC 4770-574-1,[25] 2MASS J05312734-0340356
参考资料库
SIMBAD资料

格利泽205是位于猎户座附近一颗光谱类型为M1.5的红矮星，距离地球18.6光年。[1]

参考

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 Vallenari, A.; et al. Gaia Data Release 3. Summary of the content and survey properties. Astronomy & Astrophysics. 2022. arXiv:2208.00211 可免费查阅. doi:10.1051/0004-6361/202243940 可免费查阅.  已忽略未知参数|collaboration= (帮助) Gaia DR3 record for this source at VizieR.
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  13. ^ SAO Staff. SAO 132211. SAO Star Catalog J2000. 1966 [2023-03-21]. （原始内容存档于2020-10-23）. 
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