Three light curves for V803 Centauri, on three timescales, hours (plot A), days (plot B) and years (plot C). Adapted from Patterson et al. (2000),[1] Kato et al. (2004)[2] and Levitan et al. (2015)[3] | |
Observation data Epoch J2000.0 Equinox J2000.0 | |
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Constellation | Centaurus |
Right ascension | 13h 23m 44.54s[4] |
Declination | −41° 44′ 29.54″[4] |
Apparent magnitude (V) | 13.2[5] (var) |
Characteristics | |
Spectral type | pec |
U−B color index | -0.9 - -1.0[6] |
B−V color index | 0.0.1[6] |
Variable type | AM CVn[7] |
Astrometry | |
Proper motion (μ) | RA: -3.907[4] mas/yr Dec.: +11.978[4] mas/yr |
Parallax (π) | 3.4885 ± 0.0599 mas[4] |
Distance | 930 ± 20 ly (287 ± 5 pc) |
Absolute magnitude (MV) | 5.93[7] |
Details | |
White dwarf | |
Mass | 0.9-1.2[7] M☉ |
Donor star | |
Mass | 0.06-0.11[7] 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.[1]
patterson
was invoked but never defined (see the help page).Kato
was invoked but never defined (see the help page).Levitan
was invoked but never defined (see the help page).