Upsilon2 Centauri

For other star systems with this Bayer designation, see Upsilon Centauri.

υ² Centauri

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Centaurus
Right ascension	14^h 01^m 43.50^s[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
HR 5260, HD 122223, CD−44°9040, HIP 68523, SAO 224621, GC 18939
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. 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