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船底座x

船底座V382

船底座V382位于照片中央
观测资料
历元 J2000.0
星座 船底座
星官 近南极星区 海石
赤经 11h08m35.4s
赤纬 −58°58′30″
视星等(V) +3.93
特性
光谱分类G0I-a0 var
U−B 色指数+0.94
B−V 色指数+1.23
变星类型造父变星
天体测定
径向速度 (Rv)+7 km/s
自行 (μ) 赤经:−5.03 mas/yr
赤纬:2.09 mas/yr
视差 (π)0.55 ± 0.54 mas
距离> 5900 ly
(> 1800 pc)
绝对星等 (MV)−7.36
详细资料
质量39 M
半径747 R
亮度71500(可见光)L⊙/480000(辐射热)L⊙ L
温度5550或4420 (以B-V) K
其他命名
x Carinae, HR 4337, HD 96918, CP−58°3189, FK5 1289, HIP 54463, SAO 238813, GC 15329

船底座V382,也称为船底座x (x Car),是在船底座的一颗恒星

船底座V382(中文名为海石增四)是一颗黄色的G-型特超巨星,平均视星等为 +3.93,与地球的距离为5930.90 光年。它是一颗造父变星,变光范围在 +3.84 至 +4.02,大小高达太阳的747倍。这个恒星是一个变幅微小的变星,类似造父变星但未能得到其具体变光周期。根据该星的大小和温度可以大致推算出该星的全波辐射光度,大约为太阳的48万倍。

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船底座x
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