Upsilon2 Centauri

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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 14h 01m 43.50s[1]
Declination −45° 36′ 12.3″[1]
Apparent magnitude (V) +4.34
Spectral type F6II
U−B color index +0.27
B−V color index +0.60
Variable type none
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

Upsilon2 Centauri2 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.


  1. ^ a b c d e 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