| Identity |
| Name: | Acrab, beta Scorpii |
| Hipparcos catalog ID: | 78820 |
| Other star catalog entries: | HD 144217
SAO 159682
BD B-19 4307
CPD P-19 5945
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| |
| Appearance |
| Visual magnitude: | 2.56 (source: ground based) |
| Spectral type: | B0.5V |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 16h 5m 26.23521s (+/-0.00005s) |
| Declination | -19° 48' 19.4197" (+/-0.0005") |
| Parallax: | 8.07 (+/-0.78) mas |
| Derived distance: | 404 light-years |
| Proper motion in R.A.: | -5.2 (+/-0.92) mas/year |
| Proper motion in declination: | -24.04 (+/-0.64) mas/year |
| Constellation: | Scorpius | |