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HD 23596 b

HD 23596 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 23596
星座 英仙座
赤经 (α) 03h 48m 00.3739s
赤纬 (δ) +40° 31′ 50.287″
距離170 ly (52 pc)
光譜類型 F8
軌道參數
半長軸 (a) 2.83 AU
軌道離心率 (e) 0.292 ± 0.023
公轉週期 (P) 1565 ± 21 d (4.285 y)
近星點時間 (T0) 2,451,604 ± 15 JD
半振幅 (K) 124.0 ± 3.0 m/s
物理性质
最小质量(m sin i)7.80 ± 0.35 MJ
發現
發現時間 2002年6月
發現者 Perrier et al.
發現方法 徑向速度
發現地點 法國 上普羅旺斯天文台
發表論文 已發表論文

HD 23596 b是一顆距離地球約170光年的太陽系外行星,位於英仙座。該行星的質量下限高達木星的7.8倍,被認為是沒有固態表面的類木行星。該行星和母恆星平均距離2.83天文單位,公轉週期1565日,平均軌道速度19.7 km/s。該行星的軌道離心率高於所有太陽系的行星,因此與母恆星的距離在2.00到3.66天文單位之間變化。

該行星於2002年由 Perrier 等人以徑向速度法發現。

參考資料

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外部連結

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HD 23596 b
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