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LP 991-84
觀測資料
曆元
星座 鳳凰座
星官
赤經 16h 57m 6.252s
赤緯 -4° 21′ 2.338″
視星等（V） 14.4
特性
演化阶段主序星
光谱分类M4.5V
天体测定
视差 (π)114.604 ± 0.27 mas
距离28.46 ± 0.07 ly
(8.73 ± 0.02 pc)
绝对星等 (MV)14.7
詳細資料
LP 991-84
質量0.18 M☉
半徑0.22 R☉
溫度4500 K
其他命名
參考資料庫
SIMBAD资料

LP 991-84是一顆位於鳳凰座附近的紅矮星，距離地球約28.4光年。[1][2][3]

參考

  1. ^ Reylé, C.; Jardine, K.; Fouqué, P.; Caballero, J. A.; Smart, R. L.; Sozzetti, A. The 10 parsec sample in the Gaia era.. 天文與天體物理學報. 2022, 650: 14. Bibcode:2021A&A...650A.201R. S2CID 233476431. arXiv:2104.14972 可免费查阅. doi:10.1051/0004-6361/202140985. 
  2. ^ MEDINA A.A.; WINTERS J.G.; IRWIN J.M.; CHARBONNEAU D. Flare rates, rotation periods, and spectroscopic activity indicators of a volume-complete sample of mid- to late-M dwarfs within 15 pc.. 天文期刊. 2021, 905 (2): 14. Bibcode:2020ApJ...905..107M. S2CID 225103187. arXiv:2010.15635 可免费查阅. doi:10.3847/1538-4357/abc686. 
  3. ^ NEWTON E.R.; MONDRIK N.; IRWIN J.; WINTERS J.G.; CHARBONNEAU D. New rotation period measurements for M dwarfs in the southern hemisphere: an abundance of slowly rotating, fully convective stars.. 天文期刊. 2018, 156 (5): 11. Bibcode:2018AJ....156..217N. S2CID 119209638. arXiv:1807.09365 可免费查阅. doi:10.3847/1538-3881/aad73b. 
source: https://zh.wikipedia.org/wiki/LP_991-84