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HD 23127 b

HD 23127 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 23127
星座 网罟座
赤经 (α) 03h 39m 23.639s
赤纬 (δ) –60° 04′ 40.230″
距離290.73 ly (89.14 pc)
光譜類型 G2V
軌道參數
半長軸 (a) 2.29 AU
軌道離心率 (e) 0.44 ± 0.07
公轉週期 (P) 1214 ± 9 d (3.32 y)
近星點時間 (T0) 2,400,229 ± 19 JD
半振幅 (K) 27.5 ± 1 m/s
物理性质
最小质量(m sin i)1.37 MJ
發現
發現時間 2007年2月9日
發現者 O'Toole et al.
發現方法 徑向速度
發現地點  澳大利亞
發表論文 已發表論文
數據庫參考
太陽系外行星
百科全書
data
SIMBADdata

HD 23127 b是一顆環繞恆星HD 23127類木行星,軌道半長軸2.29天文單位,公轉週期3.32年。該行星的軌道離心率相當高,屬於「離心木星」。它與母恆星距離最近是1.28天文單位,到達了母恆星的適居帶外緣[來源請求],距離最遠則是3.30天文單位。它的質量下限是1.37被木星質量,但因為軌道傾角未知而無法得知其真實質量。

參考資料

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HD 23127 b
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