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HD 231701 b

HD 231701 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 231701
星座 天箭座
赤经 (α) 19h 32m 04.1611s
赤纬 (δ) +16° 28′ 27.444″
距離353.6 ly (108.4 pc)
光譜類型 F8V
軌道參數
半長軸 (a) 0.55 AU
軌道離心率 (e) 0.19 ± 0.05
公轉週期 (P) 142 ± 2.8 d (0.389 y)
近星點時間 (T0) 2,453,203±3.2 JD
半振幅 (K) 38.3 m/s
物理性质
最小质量(m sin i)1.08 MJ
發現
發現時間 2007年4月10日
發現者 黛布拉·費希爾等人
發現方法 徑向速度
發現地點  美国加利福尼亞州
發表論文 已發表論文[1]

HD 231701 b是一顆距離地球約354光年的太陽系外行星,位於天箭座。該行星和母恆星HD 231701距離0.55光年,軌道離心率0.19。因為它的質量是1.08 MJ,因此被認為是沒有固體表面,且組成類似太陽系外行星類木行星[1]

參考資料

[编辑]
  1. ^ 1.0 1.1 Fischer, Debra A.; et al. Five Intermediate-Period Planets from the N2K Sample. The Astrophysical Journal. 2007, 669 (2): 1336–1344 [2013-04-20]. Bibcode:2007ApJ...669.1336F. arXiv:0704.1191可免费查阅. doi:10.1086/521869. (原始内容存档于2020-01-03). 

外部連結

[编辑]
  • HD 231701 b. The Extrasolar Planets Encyclopaedia. [2013-04-20]. (原始内容存档于2012-05-05). 


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HD 231701 b
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