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HD 168443 b

HD 168443 b
太阳系外行星 太阳系外行星列表
母恒星
母恒星 HD 168443
星座 巨蛇座
赤经 (α) 18h 20m 03.9316s
赤纬 (δ) −09° 35′ 44.601″
距离123.5 ly (37.88 pc)
光谱类型 G5IV
轨道参数
半长轴 (a) 0.29 AU
轨道离心率 (e) 0.529 ± 0.02
公转周期 (P) 58.116 ± 0.001 d (0.15911 y)
近星点时间 (T0) 2,451,616.36 ± 0.02 JD
半振幅 (K) 475.9 ± 1.6 m/s
物理性质
最小质量(m sin i)7.2 ± 0.4 MJ
(2300 M🜨)
发现
发现时间 1998年9月9日
发现者 保罗·巴特勒、杰佛瑞·马西等人
发现方法 多普勒光谱学
发现地点  美国夏威夷州
发表论文 已发表论文
数据库参考
太阳系外行星
百科全书
data
SIMBADdata

HD 168443 b是一颗质量为木星7倍的太阳系外行星,位于巨蛇座,距离地球约123.5光年。目前尚未得知他的轨道倾角,因此它也可能是棕矮星。它和母恒星的距离低于太阳和水星的距离,因此可预期它的表面温度极高。

参考资料

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外部链接

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HD 168443 b
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