HD 152082
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 16h 55m 24.68960s |
| Declination | −63° 16′ 10.7758″ |
| Apparent magnitude (V) | 6.02 |
| Characteristics | |
| Spectral type | A0III |
| B−V color index | 0.05 |
| Astrometry | |
| Radial velocity (Rv) | −8.60 km/s |
| Proper motion (μ) | RA: 8.57 mas/yr Dec.: -14.09 mas/yr |
| Parallax (π) | 6.94±0.39 mas |
| Distance | 470 ± 30 ly (144 ± 8 pc) |
| Absolute magnitude (MV) | +0.21 |
| Details | |
| Mass | 2.2 M☉ |
| Radius | 4.5 R☉ |
| Luminosity | 112 L☉ |
| Surface gravity (log g) | 3.48 cgs |
| Temperature | 8,840 K |
| Rotation | 27.15 days |
| Age | 352 Myr |
| Other designations | |
| CD−63°1237, HD 152082, HIP 82806, HR 6253, SAO 253734 | |
| Database references | |
| SIMBAD | data |
HD 152082 is an A-type shell star in the southern constellation of Ara. It is a giant star that has expanded away from the main sequence and is now 4.5 times larger than the Sun and 112 times as luminous.
HD 152082 has a thirteenth magnitude companion at an angular separation of 6.8″ along a position angle of 329° (as of 2000), but it has a much smaller parallax than the brighter star and is much further away.