![]() ![]() Location of β Centauri (circled) |
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Observation data Epoch J2000 Equinox J2000 |
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Constellation | Centaurus |
Right ascension | 14 |
Declination | –60° 22′ 22.9266″ |
Apparent magnitude (V) | 0.60 |
Astrometry | |
Radial velocity (Rv) | +5.9 km/s |
Proper motion (μ) | RA: –33.27 mas/yr |
Parallax (π) | 9.35 ± 0.50mas |
Distance | 350 ± 20 ly (107 ± 6 pc) |
Characteristics | |
Spectral type | B1 III |
U−B color index | –0.98 |
B−V color index | –0.22 |
Variable type | β Cep |
Details | |
Mass | 10.7 ± 0.1M☉ |
Luminosity | 41,700L☉ |
Surface gravity (log g) | 3.5 ± 0.4 |
Temperature | 25,000 ± 2,000K |
Age | (14.1 ± 0.6) × 10 years |
Other designations | |
Agena, Hadar,
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Database references | |
SIMBAD | data |