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HD 213240 b

HD 213240 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 213240
星座 天鹤座
赤经 (α) 22h 31m 00.3672s
赤纬 (δ) −49° 25′ 59.773″
距離132.91 ly (40.75 pc)
光譜類型 G0/G1V
軌道參數
半長軸 (a) 1.92 AU
軌道離心率 (e) 0.421 ± 0.015
公轉週期 (P) 882.7 ± 7.6 d (2.417 y)
近星點時間 (T0) 2451499 ± 12 JD
半振幅 (K) 96.6 ± 2.0 m/s
物理性质
最小质量(m sin i)4.72 MJ
發現
發現時間 2001年4月4日
發現者 Santos 等人
發現方法 都卜勒光譜學
發現地點 日內瓦系外行星搜尋計畫
發表論文 已發表論文

HD 213240 b是一顆距離地球約133光年(41秒差距)的太陽系外行星,位於天鶴座,母恆星是HD 213240

該行星是由瑞士天文學家 Santos 等人於2001年4月4日以都卜勒光譜學的原理經由徑向速度法發現。

參見

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參考資料

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外部連結

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HD 213240 b
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