B Centauri

B Centauri
Diagram showing star positions and boundaries of the Centaurus constellation and its surroundings
Location of A Centauri (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Centaurus
Right ascension 11h 51m 08.69s[1]
Declination −45° 10′ 24.5″[1]
Apparent magnitude (V) +4.47
Characteristics
Spectral type K3III
U−B color index +1.46
B−V color index +1.30
Variable type none
Astrometry
Radial velocity (Rv)+2 km/s
Proper motion (μ) RA: -72.46 ± 0.16[1] mas/yr
Dec.: -7.85 ± 0.16[1] mas/yr
Parallax (π)7.53 ± 0.22[1] mas
Distance430 ± 10 ly
(133 ± 4 pc)
Absolute magnitude (MV)−1.29
Other designations
HR 4546, HD 102964, CD−44°7614, FK5 446, HIP 57803, SAO 223062, GC 16226
Database references
SIMBADdata

B Centauri (B Cen) is a star in the constellation Centaurus. It is an orange K-type giant with an apparent magnitude of +4.47 and is approximately 430 light years from Earth.

References

  1. 1 2 3 4 5 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


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