| Identification Data | 
| Common Name | Capella | 
| Constellation | Auriga | 
| Star Name | 13alp Aur | 
| Skymap Number | 5160131 | 
| Henry Draper (HD) Number | 34029 | 
| Harvard Revised (HR) Number | 1708 | 
| SAO Number | 40186 | 
| Durchmusterung (DM) Number | BD+45 1077 | 
Washington Double Stars (WDS) Number
  | 05167+4600
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 47925 | 
| Right Ascension (RA) J2000 | 5h 16m 41.359s | 
| Declination (Dec) J2000 | +45° 59' 52.768" | 
| Position Uncertainty | 0.0081s | 
| Proper Motion in RA (J2000)/cos(Dec) | +0.00725 | 
| Proper Motion in Dec (J2000) | -0.427166 | 
| Radial Velocity | +030.2km s-1 | 
| Trigonometric Parallax | +0.07729s | 
| Trigonometric Parallax Uncertainty | 0.00089s | 
| GCI Unit Vector in X (J2000) | 0.130500 | 
| GCI Unit Vector in Y (J2000) | 0.682316 | 
| GCI Unit Vector in Z (J2000) | 0.719315 | 
| Galactic Longitude | 162.59° | 
Galactic Latitude
  | 4.57°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 0.08 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty |  | 
| Observed B Magnitude | 0.88 | 
| Observed B-V Colour | +0.795 | 
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.019 | 
| Observed U Magnitude |  | 
| Observed U-B Colour |  | 
| Observed U Magnitude or (U-B) Magnitude Uncertainty |  | 
| Observed Photovisual Magnitude | .2 | 
| Observed Photographic Magnitude |  | 
| Morgan Keenan (MK) Spectral Type | G8III+G1III | 
| One-Dimensional Spectral Class | G0 | 
| Position Angle |  | 
| Year of Observation | 1989. AD |