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HD 155358 b

HD 155358 b
太阳系外行星 太阳系外行星列表
母恒星
母恒星 HD 155358
星座 武仙座
赤经 (α) 17h 09m 34.6168s
赤纬 (δ) +33° 21′ 21.078″
距离142±4 ly (43±1 pc)
光谱类型 G0
轨道参数
半长轴 (a) 0.628±0.02 AU
轨道离心率 (e) 0.112±0.037
公转周期 (P) 195±1.1 d
角距 (θ) 14.707 mas
近星点时间 (T0) 2,453,950
±10.4 JD
半振幅 (K) 34.6±3 m/s
物理性质
最小质量(m sin i)0.895 MJ
发现
发现时间 2007年5月10日
发现者 Cochran 等人
发现方法 径向速度
发现地点 德克萨斯州大学奥斯汀分校
发表论文 已发表论文

HD 155358 b是一颗位于武仙座太阳系外行星,距离地球约142光年,属于气体巨行星,母恒星是 HD 155358。该行星距离母恒星的距离是日地距离的63%,并且轨道离心率不高。它的质量下限是木星的89%,公转周期195日。

参见

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参考资料

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外部链接

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HD 155358 b
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