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格利澤205

天球赤道座標：星圖 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
格利澤205在獵戶座的位置

觀測資料
曆元 J2000
星座 獵戶座
星官
赤經 05h 31m 27.39578s[1]
赤緯 −03° 40′ 38.0240″[1]
視星等（V） 7.932[2]
特性
演化階段紅矮星
光譜分類M1.5V[3]
天體測定
徑向速度 (Rv)8.26[1] km/s
自行 (μ) 赤經：761.631 mas/yr
赤緯：−2092.209 mas/yr
視差 (π)175.3131 ± 0.0204[1] mas
距離18.604 ± 0.002 ly
(5.7041 ± 0.0007 pc)
絕對星等 (MV)9.188[4]
詳細資料
質量0.556[5] M☉
半徑0.594[5] R☉
表面重力 (log g)4.703[5]
亮度0.062[5] L☉
溫度3,891[5] K
金屬量 [Fe/H]+0.23[5] dex
自轉35.0±0.1 d[6]
自轉速度 (v sin i)2.73[7] km/s
年齡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
參考資料庫
SIMBAD資料

格利澤205是位於獵戶座附近一顆光譜類型為M1.5的紅矮星，距離地球18.6光年。[1]

參考

[編輯]
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