HD 158220
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 23.2833s |
| Declination | -56° 55′ 15.471″ |
| Apparent magnitude (V) | 5.987 |
| Characteristics | |
| Spectral type | B7II-III |
| B−V color index | -0.08 |
| Variable type | Be star |
| Astrometry | |
| Radial velocity (Rv) | -3 km/s |
| Proper motion (μ) | RA: -0.85 mas/yr Dec.: -4.16 mas/yr |
| Parallax (π) | 1.52 ± 0.76 mas |
| Distance | approx. 2,000 ly (approx. 700 pc) |
| Absolute magnitude (MV) | -1.87 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 6,11525999 L☉ |
| Temperature | 10,000–30,000 K |
| Rotational velocity (v sin i) | <= 41 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 158220 or V862 Arae is a Be Star.
References
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