半人马座V803
半人马座V803（V803 Cen）是由矮氦星输出质量给白矮星的一种激变双星。它是猎犬座AM型（AM CVn）激变变星的一个范例[5]。
| 观测资料 历元 J2000.0 | |
|---|---|
| 星座 | 半人马座 |
| 星官 | |
| 赤经 | 13h 23m 44.54s[1] |
| 赤纬 | -41° 44′ 29.5″[1] |
| 视星等（V） | 13.2[2] (var) |
| 特性 | |
| 光谱分类 | pec |
| U−B 色指数 | -0.9 - -1.0[3] |
| B−V 色指数 | 0.0.1[3] |
| 变星类型 | AM CVn[4] |
| 天体测定 | |
| 距离 | 347[4] pc |
| 绝对星等 (MV) | 5.93[4] |
| 详细资料 | |
| 质量 | 0.9-1.2/0.06-0.11[4] M☉ |
| 其他命名 | |
| 参考数据库 | |
| SIMBAD | 资料 |
参考资料
- ^ 1.0 1.1 Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A.; Carpenter, J. M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E. L.; Kirkpatrick, J. D.; Light, R. M.; Marsh, K. A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W. A.; Wheelock, S.; Zacarias, N. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). VizieR On-line Data Catalog: II/246. Originally Published in: 2003yCat.2246....0C. 2003, 2246: 0. Bibcode:2003yCat.2246....0C.
- ^ Samus', N. N.; Goranskii, V. P.; Durlevich, O. V.; Zharova, A. V.; Kazarovets, E. V.; Kireeva, N. N.; Pastukhova, E. N.; Williams, D. B.; Hazen, M. L. An Electronic Version of the Second Volume of the General Catalogue of Variable Stars with Improved Coordinates. Astronomy Letters. 2003, 29 (7): 468. Bibcode:2003AstL...29..468S. doi:10.1134/1.1589864.
- ^ 3.0 3.1 Elvius, A. Variable blue object with a peculiar spectrum. Astronomy and Astrophysics. 1975, 44: 117. Bibcode:1975A&A....44..117E.
- ^ 4.0 4.1 4.2 4.3 Solheim, J.-E. AM CVn Stars: Status and Challenges. Publications of the Astronomical Society of the Pacific. 2010, 122 (896): 1133. Bibcode:2010PASP..122.1133S. doi:10.1086/656680
.
- ^ Patterson, Joseph; Walker, Stan; Kemp, Jonathan; O'Donoghue, Darragh; Bos, Marc; Stubbings, Rod. V803 Centauri: A Helium‐rich Dwarf Nova. Publications of the Astronomical Society of the Pacific (The University of Chicago Press on behalf of the Astronomical Society of the Pacific). 2000, 112 (771): 625–631. Bibcode:2000PASP..112..625P. JSTOR 316561. doi:10.1086/316561 .
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