Nu Centauri
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Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Centaurus |
Right ascension | 13h49m30.3s |
Declination | −41°41′16″ |
Apparent magnitude (V) | +3.41 |
Characteristics | |
Spectral type | B2IV |
U-B color index | −0.84 |
B-V color index | −0.22 |
Variable type | Rotating ellipsoid/β Cep |
Astrometry | |
Radial velocity (Rv) | +9 km/s |
Proper motion (μ) | RA: −26.01 mas/yr Dec.: −20.38 mas/yr |
Parallax (π) | 6.87 ± 0.77 mas |
Distance | 475 ly (146 pc) |
Absolute magnitude (MV) | −2.4 |
Other designations | |
Database references | |
SIMBAD | data |
Nu Centauri (ν Cen / ν Centauri) is a star in the constellation Centaurus.
ν Centauri is a blue-white B-type subgiant with a mean apparent magnitude of +3.41. It is approximately 475 light years from Earth. It is classified as a Rotating ellipsoidal variable as well as a Beta Cephei type variable star and its brightness varies from magnitude +3.38 to +3.41 with a period of 2.62 days.