| Identification Data |
| Common Name | |
| Constellation | Auriga |
| Star Name | 40 Aur |
| Skymap Number | 6060135 |
| Henry Draper (HD) Number | 41357 |
| Harvard Revised (HR) Number | 2143 |
| SAO Number | 58749 |
| Durchmusterung (DM) Number | BD+38 1377 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 71223 |
| Right Ascension (RA) J2000 | 6h 6m 35.097s |
| Declination (Dec) J2000 | +38° 28' 57.519" |
| Position Uncertainty | 0.0102s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00092 |
| Proper Motion in Dec (J2000) | -0.052766 |
| Radial Velocity | +018.km s-1 |
| Trigonometric Parallax | +0.00857s |
| Trigonometric Parallax Uncertainty | 0.00084s |
| GCI Unit Vector in X (J2000) | -0.022488 |
| GCI Unit Vector in Y (J2000) | 0.782474 |
| GCI Unit Vector in Z (J2000) | 0.622278 |
| Galactic Longitude | 173.87° |
Galactic Latitude
| 8.53°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.35 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.61 |
| Observed B-V Colour | +0.255 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.3 |
| Observed Photographic Magnitude | 5.4 |
| Morgan Keenan (MK) Spectral Type | A4m |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
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