HD 158476
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 49.09850s |
| Declination | −46° 02′ 12.4311″ |
| Apparent magnitude (V) | 6.048 |
| Characteristics | |
| Spectral type | F8/G0Ib |
| B−V color index | +0.83 |
| Astrometry | |
| Radial velocity (Rv) | −29.0 km/s |
| Proper motion (μ) | RA: +1.810 mas/yr Dec.: −3.806 mas/yr |
| Parallax (π) | 1.7610±0.0460 mas |
| Distance | 1,850 ± 50 ly (570 ± 10 pc) |
| Absolute magnitude (MV) | −2.13 |
| Details | |
| Mass | 5.8 M☉ |
| Radius | 38 R☉ |
| Luminosity | 1,142 L☉ |
| Surface gravity (log g) | 1.89 cgs |
| Temperature | 5,305 K |
| Rotational velocity (v sin i) | 9.5 km/s |
| Other designations | |
| CD−45°11626, HD 158476, HIP 85788, HR 6513, SAO 228075 | |
| Database references | |
| SIMBAD | data |
HD 158476 is a supergiant star in the southern constellation of Ara. There is a faint magnitude 10.5 companion at an angular separation of 20.0″ along a position angle of 209° (as of 2013).