HD 115310

r Centauri

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Centaurus
Right ascension	13^h 16^m 53.13^s[1]
Declination	−31° 30′ 22.3″[1]
Apparent magnitude (V)	+5.10
Characteristics
Spectral type	K1III
U−B color index	+0.61
B−V color index	+0.96
Variable type	none
Astrometry
Radial velocity (Rv)	+13 km/s
Proper motion (μ)	RA: 33.64 ± 0.30[1] mas/yr Dec.: -48.65 ± 0.18[1] mas/yr
Parallax (π)	12.66 ± 0.28[1] mas
Distance	258 ± 6 ly (79 ± 2 pc)
Absolute magnitude (MV)	+0.70
Other designations
HR 5006, HD 115310, CD−30°10457, FK5 1342, HIP 64803, SAO 204312, GC 17968
Database references
SIMBAD	data

HD 115310, also known by its Bayer designation r Centauri (r Cen), is a star in the constellation Centaurus.

r Centauri is an orange K-type giant with an apparent magnitude of +5.10. It is approximately 258 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