HD 129116
From Infogalactic: the planetary knowledge core
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| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 14h 41m 57.59s[1] |
| Declination | −37° 47′ 37.6″[1] |
| 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: -29.92 ± 0.14[1] mas/yr Dec.: -30.68 ± 0.13[1] mas/yr |
| Parallax (π) | 9.62 ± 0.18[1] mas |
| Distance | 339 ± 6 ly (104 ± 2 pc) |
| Absolute magnitude (MV) | −0.84 |
| Details | |
| Radius | 2.93 ± 0.12[2] R☉ |
| Surface gravity (log g) | 4.23 ± 0.03[2] cgs |
| Temperature | 18,445 ± 344[2] K |
| Other designations | |
| 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 339 light years from Earth.
References
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