22 Scorpii
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 30m 12.48s |
| Declination | −25° 06′ 54.6″ |
| Apparent magnitude (V) | 4.79 |
| Characteristics | |
| Spectral type | B3V |
| U−B color index | -0.74 |
| B−V color index | -0.12 |
| Astrometry | |
| Radial velocity (Rv) | 3.6 km/s |
| Proper motion (μ) | RA: -4.43 ± 0.22 mas/yr Dec.: -26.25 ± 0.22 mas/yr |
| Parallax (π) | 7.89 ± 0.24 mas |
| Distance | 392.5 ly (120.3 pc) |
| Absolute magnitude (MV) | -0.615 |
| Details | |
| Mass | 7.6 M☉ |
| Luminosity | 166 L☉ |
| Temperature | 19000 K |
| Age | 63 Myr |
| Other designations | |
i Scorpii, HIP80815 | |
22 Scorpii (i Scorpii) is a B-type main sequence star in the constellation Scorpius. This star has an apparent magnitude of 4.79. It lies at about 392 light years from the Solar System.
References
- "22 Scorpii - Wolfram Alpha". Wolfram Alpha.
- "22 Scorpii (HIP 80815)". Ashland Astronomy Studio. Retrieved 2012-08-19.
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