HD 110458

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.

This article is about w Centauri. It is not to be confused with ω Centauri.

HD 110458

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Centaurus
Right ascension	12^h 42^m 35.45^s[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
HR 4831, HD 110458, CD−48°7608, HIP 62012, SAO 223614, GC 17282
Database references
SIMBAD	data

References

1. Van Leeuwen, Floor (2007). "Validation of the new Hipparcos reduction". Astronomy & Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
2. Park, Sunkyung; et al. (2013), "Wilson-Bappu Effect: Extended to Surface Gravity", The Astronomical Journal, 146 (4): 73, arXiv:1307.0592, Bibcode:2013AJ....146...73P, doi:10.1088/0004-6256/146/4/73.