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爟一

巨蟹座ψ
觀測資料
曆元 J2000.0
星座 巨蟹座[1][2]
星官 鬼宿 爟
赤經 8h 10m 27.2s[1][2]
赤緯 +25° 30′ 26″[1][2]
視星等（V） 5.73[1][2]
特性
光谱分类G7V[1][2]
U−B 色指数0.43[1][2]
B−V 色指数0.81[1][2]
R−I 色指数0.28E[1][2]
天体测定
徑向速度 (Rv)-44.31 km/s
自行 (μ) 赤经：-73.35 mas/yr
赤纬：-347.60 mas/yr
视差 (π)24.18 ± 0.35 mas
距离135 ± 2 ly
(41.4 ± 0.6 pc)
其他命名
BD+25 1865，SAO 79995，HD 67767，HR 3191
參考資料庫
SIMBAD资料

爟一，又名巨蟹座ψ，BD+25 1865，HD 67767、SAO 79995、HR 3191，是巨蟹座的一颗恒星[1][2]，视星等为5.73，位于銀經196.89，銀緯27.9，其B1900.0坐标为赤經8h 4m 25.8s，赤緯+25° 27.9′ 39″。是一颗高自行速率的恒星。

参考文献

  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]. （原始内容存档于2016-03-18）. 
  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2016-03-04）. 

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