葛利斯179

Gliese 179
觀測資料
曆元 J2000.0
星座 獵戶座
星官
赤經 04h 52m 05.73s [1]
赤緯 +06° 28′ 35.5″ [1]
視星等（V） 11.96
特性
光谱分类M4V
视星等 (U)14.791
视星等 (B)13.56
视星等 (R)10.854
视星等 (I)9.334
视星等 (J)7.814
视星等 (H)7.209
视星等 (K)6.942
U−B 色指数1.23
B−V 色指数1.60
V−R 色指数1.11
R−I 色指数1.520
变星类型none
天体测定
徑向速度 (Rv)–9.1 km/s
自行 (μ) 赤经：142.98 ± 4.06 [1] mas/yr
赤纬：-309.39 ± 2.38 [1] mas/yr
视差 (π)81.38 ± 4.04[1] mas
距离40 ± 2 ly
(12.3 ± 0.6 pc)
绝对星等 (MV)11.54
詳細資料
質量0.357 M☉
半徑0.38 R☉
表面重力 (log g)4.83
亮度0.016 L☉
溫度3370 K
金屬量+0.30
其他命名
G 83-37, G 84-15, G 82-52, HIP 22627, LTT 11525, NLTT 14088, Ross 401, Wolf 1539
參考資料庫
SIMBAD资料
系外行星資料庫（英语：Exoplanet Archive）资料
ARICNS资料
系外行星百科资料

葛利斯179是一個視星等12等的紅矮星，位於獵戶座，距離地球約40光年。该恆星體積、溫度、光度和質量都遠比太陽低，金屬量則是太陽的2倍。2009年在其旁發現一顆氣體巨行星。

行星系

葛利斯179的行星系[2]
成員
(依恆星距離) 		质量 半長軸
(AU) 		轨道周期
(天) 		離心率 傾角 半径
b ≥0.82 ± 0.07 MJ 2.41 ± 0.04 2288 ± 59 0.21 ± 0.08 — —

參見

參考資料

  1. ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. HIP 22627. Hipparcos, the New Reduction. 2007 [2010-02-23]. （原始内容存档于2018-10-01）. 
  2. ^ Howard, Andrew W.; et al. The California Planet Survey. I. Four New Giant Exoplanets. The Astrophysical Journal. 2010, 721 (2): 1467–1481 [2012-02-19]. Bibcode:2010ApJ...721.1467H. doi:10.1088/0004-637X/721/2/1467. （原始内容存档于2011-06-03）. (web Preprint)

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