| Identification Data |
| Common Name | Aldebaran |
| Constellation | Taurus |
| Star Name | 87alp Tau |
| Skymap Number | 4350118 |
| Henry Draper (HD) Number | 29139 |
| Harvard Revised (HR) Number | 1457 |
| SAO Number | 94027 |
| Durchmusterung (DM) Number | BD+16 629 |
Washington Double Stars (WDS) Number
| 04359+1631
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 120061 |
| Right Ascension (RA) J2000 | 4h 35m 55.238s |
| Declination (Dec) J2000 | +16° 30' 33.485" |
| Position Uncertainty | 0.0093s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00437 |
| Proper Motion in Dec (J2000) | -0.189466 |
| Radial Velocity | +054.1km s-1 |
| Trigonometric Parallax | +0.05009s |
| Trigonometric Parallax Uncertainty | 0.00095s |
| GCI Unit Vector in X (J2000) | 0.343904 |
| GCI Unit Vector in Y (J2000) | 0.894973 |
| GCI Unit Vector in Z (J2000) | 0.284171 |
| Galactic Longitude | 180.97° |
Galactic Latitude
| -20.25°
|
| Observational Data |
| Observed Visual Magnitude (V) | 0.99 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.011 |
| Observed B Magnitude | 2.47 |
| Observed B-V Colour | +1.480 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 1.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K5+III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 110 |
| Year of Observation | 1962. AD |
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