垒壁阵七
此条目需要扩充。 (2018年2月23日) |
垒壁阵七(宝瓶座λ)是位于宝瓶座的恒星，其视星等为3.722。
  | |
| 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 | |
| 参考资料库 | |
| SIMBAD | 资料 |
参考文献
- ^ 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
, doi:10.1051/0004-6361:20078357.
- ^ 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.
- ^ 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 , doi:10.1111/j.1365-2966.2008.13596.x.
- ^ 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.
- ^ 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 , doi:10.1051/0004-6361/200810698.
- ^ 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 , doi:10.1086/520925.
- ^ 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 . doi:10.1017/S1743921307000622. 参数
|journal=与模板{{cite conference}}不匹配（建议改用{{cite journal}}或|book-title=） (帮助);|contribution=被忽略 (帮助) - ^ * lam Aqr. SIMBAD. 斯特拉斯堡天文资料中心. [2012-07-01].
