HD 153791
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 03m 41.68344s |
| Declination | −47° 09′ 38.0565″ |
| Apparent magnitude (V) | 6.07 |
| Characteristics | |
| Spectral type | A5V |
| B−V color index | +0.07 |
| Astrometry | |
| Radial velocity (Rv) | 3.8±0.5 km/s |
| Proper motion (μ) | RA: +0.04 mas/yr Dec.: +5.36 mas/yr |
| Parallax (π) | 6.61±0.44 mas |
| Distance | 490 ± 30 ly (150 ± 10 pc) |
| Absolute magnitude (MV) | +0.18 |
| Details | |
| Luminosity | 66.6 L☉ |
| Temperature | 8,346 K |
| Rotational velocity (v sin i) | 70 km/s |
| Other designations | |
| CD−46°11191, HD 153791, HIP 83481, HR 6323, SAO 227588 | |
| Database references | |
| SIMBAD | data |
HD 153791 is a double star in the southern constellation of Ara. The primary is a sixth magnitude A-type main sequence star. It has a magnitude 12.3 companion at an angular separation of 6.0″ along a position angle of 249°, as of 1999.