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奎宿八

μ Andromedae A
观测资料
历元 J2000
星座 仙女座
星官 奎宿
赤经 00h 56m 45.2115s
赤纬 +38° 29' 57.641"'
视星等(V) 3.86
特性
光谱分类A5V
U−B 色指数0.15
B−V 色指数0.13
变星类型None
天体测定
径向速度 (Rv)7.6 km/s
自行 (μ) 赤经:152.78 mas/yr
赤纬:36.82 mas/yr
视差 (π)23.93 ± 1.22 mas
距离136 ± 7 ly
(42 ± 2 pc)
绝对星等 (MV)0.75
详细资料
质量3.5 M
半径2.5 R
亮度80 L
温度7,500 - 10,000 K
其他命名
37 Andromedae, HR 269, HD 5448, BD+37°175, FK5 33, HIP 4436, SAO 54281.
参考数据库
SIMBAD资料

奎宿八 (μ And / 仙女座μ)是仙女座的恒星,距离地球约136光年

奎宿八是一颗白色的主序矮星视星等为+3.86。

参考资料

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奎宿八
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