4 Centauri
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Observation data Epoch J2000.0 |
|
---|---|
Constellation | Centaurus |
Right ascension | 13h53m12.5s |
Declination | −31°55′40″ |
Apparent magnitude (V) | +4.75 |
Spectral Characteristics | |
Spectral type | B4IV |
U-B color index | −0.54 |
B-V color index | −0.14 |
Variable type | none |
Astrometry | |
Radial velocity (Rv) | +5 km/s |
Proper motion (μ) | RA: −13.53 mas/yr Dec.: −10.74 mas/yr |
Parallax (π) | 4.87 ± 0.71 mas |
Distance | 670 ± 98 ly (205 ± 30 pc) |
Absolute magnitude (MV) | −1.80 |
Other designations | |
Database references | |
SIMBAD | data |
4 Centauri is a star in the constellation Centaurus. It is a blue-white B-type subgiant with an apparent magnitude of +4.75 and is approximately 670 light years from Earth.