HD 129116

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b Centauri
Observation data
Epoch J2000.0
Constellation
(pronunciation)
Centaurus
Right ascension 14h41m57.6s
Declination −37°47′37″
Apparent magnitude (V) +4.01
Characteristics
Spectral type B3V
U-B color index −0.70
B-V color index −0.17
Variable type none
Astrometry
Radial velocity (Rv) +1 km/s
Proper motion (μ) RA: −29.56 mas/yr
Dec.: −30.68 mas/yr
Parallax (π) 10.69 ± 0.72 mas
Distance 305 ly (93.5 pc)
Absolute magnitude (MV) −0.84
Other designations
HR 5471, HD 129116, CD−37°9618, HIP 71865, SAO 205839, GC 19779
Database references
SIMBAD data

HD 129116, also known by its Bayer designation b Centauri (b Cen), is a star in the constellation Centaurus.

b Centauri is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.01. It is approximately 305 light years from Earth.