Chi Centauri
From Wikipedia, the free encyclopedia
Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Centaurus |
Right ascension | 14h06m02.8s |
Declination | −41°10′47″ |
Apparent magnitude (V) | +4.36 |
Characteristics | |
Spectral type | B2V |
U-B color index | −0.77 |
B-V color index | −0.19 |
Variable type | β Cep |
Astrometry | |
Radial velocity (Rv) | +12 km/s |
Proper motion (μ) | RA: −24.42 mas/yr Dec.: −21.63 mas/yr |
Parallax (π) | 7.31 ± 0.75 mas |
Distance | 446 ly (137 pc) |
Absolute magnitude (MV) | −1.31 |
Other designations | |
Database references | |
SIMBAD | data |
Chi Centauri (χ Cen / χ Centauri) is a star in the constellation Centaurus.
χ Centauri is a blue-white B-type main sequence dwarf with a mean apparent magnitude of +4.36. It is approximately 446 light years from Earth. It is classified as a Beta Cephei type variable star and its brightness varies by 0.02 magnitudes with a period of 50.40 minutes.