| Identity |
| Name: | Aldebaran, alpha Tauri |
| Hipparcos catalog ID: | 21421 |
| Other catalog entries: | HD 29139
SAO 94027
BD B+16 629
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| Appearance |
| Visual magnitude: | 0.87 (source: ground based) |
| Spectral type: | K5III |
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| Position and motion (Epoch J1991.25) in J2000 reference frame |
| R.A. | 4h 35m 55.20047s (+/-0.00006s) |
| Decl. | 16° 30' 35.1419" (+/-0.0005") |
| Parallax: | 50.09 (+/-0.95) |
| Derived distance: | 65.1 light years |
| Proper motion in R.A.: | 62.78 (+/-0.85) mas/year |
| Proper motion in decl.: | -189.36 (+/-0.63) mas/year |
| Constellation: | Taurus | |