| Identification Data |
| Common Name | |
| Constellation | Auriga |
| Star Name | 2 Aur |
| Skymap Number | 4520113 |
| Henry Draper (HD) Number | 30834 |
| Harvard Revised (HR) Number | 1551 |
| SAO Number | 57475 |
| Durchmusterung (DM) Number | BD+36 952 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 69715 |
| Right Ascension (RA) J2000 | 4h 52m 37.980s |
| Declination (Dec) J2000 | +36° 42' 11.473" |
| Position Uncertainty | 0.0107s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00216 |
| Proper Motion in Dec (J2000) | -0.003966 |
| Radial Velocity | -016.5km s-1 |
| Trigonometric Parallax | +0.00581s |
| Trigonometric Parallax Uncertainty | 0.00082s |
| GCI Unit Vector in X (J2000) | 0.232288 |
| GCI Unit Vector in Y (J2000) | 0.767355 |
| GCI Unit Vector in Z (J2000) | 0.597670 |
| Galactic Longitude | 167.26° |
Galactic Latitude
| -4.65°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.78 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.18 |
| Observed B-V Colour | +1.399 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 6.1 |
| Morgan Keenan (MK) Spectral Type | K2.5IIIBa0.5 |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
