女宿一

女宿一(宝瓶座ε;Albali;HD 198001)是位于宝瓶座的恒星,其视星等为3.77。

女宿一
Diagram showing star positions and boundaries of the Aquarius constellation and its surroundings
Location of ε Aquarii (circled)
觀測資料
曆元 J2000
星座 宝瓶座
星官
赤經 20h 47m 40.55260s[1]
赤緯 −09° 29 44.7877[1]
視星等(V) 3.77[2]
特性
光谱分类A1 V[2]
U−B 色指数+0.029[3]
B−V 色指数–0.001[3]
变星类型Suspected[4]
天体测定
徑向速度 (Rv)–16[5] km/s
自行 (μ) 赤经:+33.98[1] mas/yr
赤纬:-34.77[1] mas/yr
视差 (π)15.70 ± 0.21[1] mas
距离208 ± 3 ly
(63.7 ± 0.9 pc)
绝对星等 (MV)−0.46[6]
詳細資料
表面重力 (log g)3.64[7]
溫度9,470[7] K
金属量 [Fe/H]+0.07[7] dex
自轉速度 (v sin i)70[2] km/s
年齡240[8] Myr
其他命名
Albali, 2 Aquarii, BD-10° 5506, FK5 781, HD 198001, HIP 102618, HR 7950, SAO 144810.[4]
參考資料庫
SIMBAD资料

参考文献

  1. van Leeuwen, F., , Astronomy and Astrophysics, November 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752可免费查阅, doi:10.1051/0004-6361:20078357.
  2. Levato, O. H., , Publications of the Astronomical Society of the Pacific, August 1972, 84 (500): 584, Bibcode:1972PASP...84..584L, doi:10.1086/129336.
  3. Cousins, A. W. J., , South African Astronomical Observatory Circulars, 1984, 8: 59, Bibcode:1984SAAOC...8...59C.
  4. . SIMBAD. 斯特拉斯堡天文資料中心. [2012-06-29].
  5. Wielen, R.; et al, (35), Astronomisches Rechen-Institut Heidelberg, 1999, Bibcode:1999VeARI..35....1W.
  6. Ammler-von Eiff, M.; Reiners, A., , Astronomy & Astrophysics, June 2012, 542: A116, Bibcode:2012A&A...542A.116A, arXiv:1204.2459可免费查阅, doi:10.1051/0004-6361/201118724.
  7. Hill, G. M., , Astronomy and Astrophysics, February 1995, 294 (2): 536–546, Bibcode:1995A&A...294..536H.
  8. Su, K. Y. L.; et al, , The Astrophysical Journal, December 2006, 653 (1): 675–689, Bibcode:2006ApJ...653..675S, arXiv:astro-ph/0608563可免费查阅, doi:10.1086/508649.

外部链接

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