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天厨四

天龙座ρ
观测资料
历元 J2000.0
星座 天龙座[1][2]
星官
赤经 20h 2m 49.1s[1][2]
赤纬 +67° 52′ 25″[1][2]
视星等(V) 4.51[1][2]
特性
光谱分类K3III[1][2]
U−B 色指数1.51[1][2]
B−V 色指数1.32[1][2]
R−I 色指数0.65[1][2]
天体测定
径向速度 (Rv)1.51 km/s
自行 (μ) 赤经:-9 mas/yr
赤纬:- mas/yr
视差 (π)0.017 mas
距离191856.69411765 ly
(58823.529411765 pc)
其他命名
BD+67 1222,SAO 18676,HD 190940,HR 7685
参考数据库
SIMBAD资料

天龙座ρ,又名BD+67 1222HD 190940SAO 18676HR 7685,是天龙座的一颗恒星[1][2],视星等为4.51,位于银经100.7,银纬18.64,其B1900.0坐标为赤经20h 2m 22.1s,赤纬+67° 18.64′ 18″。

参考文献

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Pulsating variable Star. SIMBAD. Centre de Données astronomiques de Strasbourg. [2012-07-13]. 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 VizieR Detailed Page. [2012-07-13]. (原始内容存档于2016-03-05). 
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天厨四
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