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垒壁阵七

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垒壁阵七
Location of λ Aquarius (circled)
观测资料
历元 J2000
星座 宝瓶座
星官
赤经 22h 52m 36.87441s[1]
赤纬 −07° 34′ 46.5542″[1]
视星等(V) 3.722[2]
特性
光谱分类M2.5 IIIa Fe–1[3]
U−B 色指数+1.721[2]
B−V 色指数+1.641[2]
变星类型Lb[4]
天体测定
径向速度 (Rv)−10.46 ± 0.53[5] km/s
自行 (μ) 赤经:+17.02[1] mas/yr
赤纬:+33.03[1] mas/yr
视差 (π)8.47 ± 0.66[1] mas
距离390 ± 30 ly
(118 ± 9 pc)
绝对星等 (MV)–1.5[6]
详细资料
质量3.6[7] M
温度3,835[7] K
金属量 [Fe/H]–2.25[6] dex
其他命名
73 Aquarii, BD–08°968, FK5 864, HD 216386, HIP 112961, HR 8698, SAO 146362.[8]
参考数据库
SIMBAD资料

垒壁阵七(宝瓶座λ)是位于宝瓶座的恒星,其视星等为3.722。

参考文献

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  1. ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, 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. ^ 2.0 2.1 2.2 Gutierrez-Moreno, Adelina; et al, A System of photometric standards, Publ. Dept. Astron. Univ. Chile (Publicaciones Universidad de Chile, Department de Astronomy), 1966, 1: 1–17, Bibcode:1966PDAUC...1....1G. 
  3. ^ Eggleton, P. P.; Tokovinin, A. A., A catalogue of multiplicity among bright stellar systems, Monthly Notices of the Royal Astronomical Society, September 2008, 389 (2): 869–879, Bibcode:2008MNRAS.389..869E, arXiv:0806.2878可免费查阅, doi:10.1111/j.1365-2966.2008.13596.x. 
  4. ^ Samus, N. N.; Durlevich, O. V.; et al. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013). VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 2009, 1. Bibcode:2009yCat....102025S. 
  5. ^ Famaey, B.; et al, Spectroscopic binaries among Hipparcos M giants. I. Data, orbits, and intrinsic variations, Astronomy and Astrophysics, May 2009, 498 (2): 627–640, Bibcode:2009A&A...498..627F, arXiv:0901.0934可免费查阅, doi:10.1051/0004-6361/200810698. 
  6. ^ 6.0 6.1 Dupree, A. K.; Li, Timothy Q.; Smith, Graeme H., Hubble Space Telescope Observations of Chromospheres in Metal-Deficient Field Giants, The Astronomical Journal, October 2007, 134 (4): 1348–1359, Bibcode:2007AJ....134.1348D, arXiv:0709.1709可免费查阅, doi:10.1086/520925. 
  7. ^ 7.0 7.1 Tsuji, Takashi. Kupka, F.; Roxburgh, I.; Chan, K. , 编. Convection in Astrophysics, Proceedings of IAU Symposium #239 held 21-25 August, 2006 in Prague, Czech Republic. Proceedings of the International Astronomical Union 2. May 2007: 307–310. Bibcode:2007IAUS..239..307T. arXiv:astro-ph/0610180可免费查阅. doi:10.1017/S1743921307000622.  参数|journal=与模板{{cite conference}}不匹配(建议改用{{cite journal}}|book-title=) (帮助); |contribution=被忽略 (帮助)
  8. ^ * lam Aqr. SIMBAD. 斯特拉斯堡天文资料中心. [2012-07-01]. 

外部链接

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