Rho Centauri
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Centaurus |
| Right ascension | 12h11m39.1s |
| Declination | −52°22′07″ |
| Apparent magnitude (V) | +3.97 |
| Characteristics | |
| Spectral type | B3V |
| U-B color index | −0.62 |
| B-V color index | −0.15 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +15 km/s |
| Proper motion (μ) | RA: −42.17 mas/yr Dec.: −18.39 mas/yr |
| Parallax (π) | 9.53 ± 0.73 mas |
| Distance | 342 ly (105 pc) |
| Absolute magnitude (MV) | −1.12 |
| Other designations | |
| Database references | |
| SIMBAD | data |
Rho Centauri (ρ Cen / ρ Centauri) is a star in the constellation Centaurus. ρ Centauri is a blue-white B-type main sequence dwarf with an apparent magnitude of +3.97. It is approximately 342 light years from Earth.
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