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葛利斯649b

Gliese 649 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 葛利斯649
星座 武仙座
赤经 (α) 16h 58m 09s
赤纬 (δ) +25° 44′ 39″
距離33.72 (± 0.49) ly (10.34 (± 0.15) pc)
光譜類型 M1.5V
軌道參數
半長軸 (a) 1.135 (± 0.035) AU
軌道離心率 (e) 0.30 (± 0.08)
公轉週期 (P) 598.3 (± 4.2) d (1.638 y)
近星點時間 (T0) 12876 (± 22) JD
半振幅 (K) 12.4 (± 1.1) m/s
物理性质
最小质量(m sin i)0.328 (± 0.032) MJ
發現
發現時間 2009年12月17日
發現者 Johnson et al.
發現方法 都卜勒光譜學
發表論文 準備出版[1]
其他名稱
BD+25°3173 b, HIP 83043 b
數據庫參考
太陽系外行星
百科全書
data
SIMBADdata

葛利斯649bGliese 649 b發音: /ˈɡlzə/;或 Gl 649 b)是一個環繞視星等10等紅矮星葛利斯649的系外行星,距離地球約10秒差距。該行星質量為木星的32.8%,距離母恆星1.135天文單位[1]

參考資料

[编辑]
  1. ^ 1.0 1.1 Johnson, John Asher. The California Planet Survey II. A Saturn-Mass Planet Orbiting the M Dwarf Gl649. 2009. arXiv:0912.2730v1可免费查阅 [astro-ph.EP].  cite arXiv模板填写了不支持的参数 (帮助)


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葛利斯649b
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