Upsilon2 Centauri
- For other star systems with this Bayer designation, see Upsilon Centauri.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 14h 01m 43.50s[1] |
| Declination | −45° 36′ 12.3″[1] |
| 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: 8.64 ± 1.09[1] mas/yr Dec.: -16.25 ± 0.88[1] mas/yr |
| Parallax (π) | 2.57 ± 1.05[1] mas |
| Distance | approx. 1,300 ly (approx. 400 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 1300 light years from Earth.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
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