HD 115310
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Centaurus |
| Right ascension | 13h16m53.1s |
| Declination | −31°30′22″ |
| 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: 34.60 mas/yr Dec.: −49.27 mas/yr |
| Parallax (π) | 13.21 ± 0.76 mas |
| Distance | 247 ± 14 ly (75.7 ± 4.4 pc) |
| Absolute magnitude (MV) | +0.70 |
| Other designations | |
| 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 247 light years from Earth.

