HD 110458
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 12h 42m 35.45s[1] |
| Declination | −48° 48′ 47.2″[1] |
| Apparent magnitude (V) | +4.66 |
| Characteristics | |
| Spectral type | K0III |
| U−B color index | +1.01 |
| B−V color index | +1.09 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −12 km/s |
| Proper motion (μ) | RA: -123.84 ± 0.16[1] mas/yr Dec.: -30.17 ± 0.13[1] mas/yr |
| Parallax (π) | 17.11 ± 0.22[1] mas |
| Distance | 191 ± 2 ly (58.4 ± 0.8 pc) |
| Absolute magnitude (MV) | +0.99±0.028[2] |
| Details | |
| Surface gravity (log g) | 2.61[2] cgs |
| Temperature | 4,773[2] K |
| Metallicity [Fe/H] | 0.19[2] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 110458 (Bayer designation w Cen / w Centauri) is a star in the constellation Centaurus. It is an orange K-type giant with an apparent magnitude of +4.66 and is approximately 191 light years from Earth.
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752
. doi:10.1051/0004-6361:20078357. Vizier catalog entry - 1 2 3 4 Park, Sunkyung; et al. (2013), "Wilson-Bappu Effect: Extended to Surface Gravity", The Astronomical Journal, 146 (4): 73, Bibcode:2013AJ....146...73P, arXiv:1307.0592 , doi:10.1088/0004-6256/146/4/73.
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