Upsilon² Centauri
From Wikipedia, the free encyclopedia
- For other star systems with this Bayer designation, see Upsilon Centauri.
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Centaurus |
| Right ascension | 14h01m43.4s |
| Declination | −45°36′13″ |
| Apparent magnitude (V) | +4.34 |
| Characteristics | |
| Spectral type | F6II |
| U-B color index | +0.27 |
| B-V color index | +0.60 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −1 km/s |
| Proper motion (μ) | RA: 3.89 mas/yr Dec.: −20.94 mas/yr |
| Parallax (π) | 7.28 ± 0.80 mas |
| Distance | 420 ly (137 pc) |
| Absolute magnitude (MV) | −1.34 |
| Other designations | |
| Database references | |
| SIMBAD | data |
Upsilon2 Centauri (υ2 Cen / υ2 Centauri) is a star in the constellation Centaurus. υ2 Centauri is a yellow-white F-type bright giant with an apparent magnitude of +4.34. It is approximately 420 light years from Earth.

