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HD 196050 b

HD 196050 b
太阳系外行星 太阳系外行星列表
母恒星
母恒星 HD 196050
星座 孔雀座
赤经 (α) 20h 37m 51.7102s
赤纬 (δ) −60° 38′ 04.135″
距离153.05 ly (46.93 pc)
光谱类型 G3V
轨道参数
半长轴 (a) 2.54 AU
轨道离心率 (e) 0.228 ± 0.038
公转周期 (P) 1378 ± 21 d (3.773 y)
半振幅 (K) 49.7 ± 2 m/s
物理性质
最小质量(m sin i)2.90 MJ
(922 M🜨)
发现
发现时间 2002年6月13日
发现者 Jones 等人
发现方法 多普勒光谱学
发现地点 英澳天文台
发表论文 已发表论文
其他名称
HIP 101806 b
数据库参考
太阳系外行星
百科全书
data
SIMBADdata

HD 196050 b是一颗质量至少是木星2.9倍,公转周期1378日的系外行星。该行星和母恒星的平均距离是2.54天文单位或12.3微角秒,轨道离心率0.228,因此和母恒星距离在1.96到3.12天文单位间变化。它的平均轨道速度是20.1 km/s,轨道速度半振幅是49.7 m/s。轨道近心点经度是187°,近心点时间则是2,450,843 JD。

该行星是以观测恒星光谱位移的多普勒光谱学法发现。澳大利亚的 Jones 等人于2002年在英澳天文台英澳望远镜发现它。

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HD 196050 b
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