| Identity |
| Name: | Spica, alpha Virginis |
| Hipparcos catalog ID: | 65474 |
| Other catalog entries: | HD 116658
SAO 157923
BD B-10 3672
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| Appearance |
| Visual magnitude: | 0.98 (source: ground based) |
| Spectral type: | B1V |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| R.A. | 13h 25m 11.60455s (+/-0.00005s) |
| Decl. | -11° 9' 40.4817" (+/-0.0005") |
| Parallax: | 12.44 (+/-0.86) |
| Derived distance: | 262 light years |
| Proper motion in R.A.: | -42.5 (+/-0.79) mas/year |
| Proper motion in decl.: | -31.73 (+/-0.52) mas/year |
| Constellation: | Virgo | |
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| Notes |
Superposed on ELL variations is BCEP variability (Ref 85.074).
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