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HD 129445 b

HD 129445 b
太阳系外行星 太阳系外行星列表
母恒星
母恒星 HD 129445
星座 圆规座
距离220.5 ± 16.6 ly (67.61 ± 5.10 pc)
光谱类型 G8V
轨道参数
半长轴 (a) 2.9 ± 0.2 AU
轨道离心率 (e) 0.70 ± 0.10
公转周期 (P) 1840 ± 55 d (5.04 y)
近星点时间 (T0) 24553093 ± 50 JD
半振幅 (K) 38 ± 6 m/s
物理性质
最小质量(m sin i)1.6 ± 0.6 MJ
发现
发现时间 2010年1月26日
发现者 Arriagada 等人
发现方法 多普勒光谱学
发现地点  智利拉斯坎帕纳斯天文台
发表论文 已发表论文
其他名称
CD–68°1403 b, HIP 72203 b
数据库参考
太阳系外行星
百科全书
data
SIMBADdata

HD 129445 b是一颗位于圆规座离心木星,距离地球约220光年,由麦哲伦行星搜寻计划于2010年发现[1]

参考资料

[编辑]


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HD 129445 b
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