HD 157662
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 27m 12.4635s |
| Declination | −50° 37′ 49.333″ |
| Apparent magnitude (V) | 5.905 |
| Characteristics | |
| Spectral type | B9II |
| B−V color index | 0.08 |
| Astrometry | |
| Radial velocity (Rv) | 11 km/s |
| Proper motion (μ) | RA: 3.04 mas/yr Dec.: -1.93 mas/yr |
| Parallax (π) | 1.95 ± 0.92 mas |
| Distance | approx. 1,700 ly (approx. 500 pc) |
| Absolute magnitude (MV) | 5.959 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
| Database references | |
| SIMBAD | data |
HD 157662 is a star in a double system.
References
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