V803 Centauri
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 13h 23m 44.54s[1] |
| Declination | −41° 44′ 29.5″[1] |
| Apparent magnitude (V) | 13.2[2] (var) |
| Characteristics | |
| Spectral type | pec |
| U−B color index | -0.9 - -1.0[3] |
| B−V color index | 0.0.1[3] |
| Variable type | AM CVn[4] |
| Astrometry | |
| Distance | 347[4] pc |
| Absolute magnitude (MV) | 5.93[4] |
| Details | |
| Mass | 0.9-1.2/0.06-0.11[4] M☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
V803 Centauri (V803 Cen) is a cataclysmic binary consisting of a dwarf helium star losing mass to a white dwarf. It is an example of the AM Canum Venaticorum (AM CVn) type of cataclysmic variable stars.[5]
References
- 1 2 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. (2003). "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 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. (2003). "An Electronic Version of the Second Volume of the General Catalogue of Variable Stars with Improved Coordinates". Astronomy Letters 29 (7): 468. Bibcode:2003AstL...29..468S. doi:10.1134/1.1589864.
- 1 2 Elvius, A. (1975). "Variable blue object with a peculiar spectrum". Astronomy and Astrophysics 44: 117. Bibcode:1975A&A....44..117E.
- 1 2 3 4 Solheim, J.-E. (2010). "AM CVn Stars: Status and Challenges". Publications of the Astronomical Society of the Pacific 122 (896): 1133. Bibcode:2010PASP..122.1133S. doi:10.1086/656680.
- ↑ Patterson, Joseph; Walker, Stan; Kemp, Jonathan; O'Donoghue, Darragh; Bos, Marc; Stubbings, Rod (2000). "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) 112 (771): 625–631. Bibcode:2000PASP..112..625P. doi:10.1086/316561. JSTOR 316561.
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