40 Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 06m 35.0977s |
| Declination | +38° 28′ 57.519″ |
| Apparent magnitude (V) | 5.353 |
| Characteristics | |
| Spectral type | A4m |
| U−B color index | 0.15 |
| B−V color index | 0.25 |
| R−I color index | 0.09 |
| Astrometry | |
| Proper motion (μ) | RA: 10.76 mas/yr Dec.: -52.7 mas/yr |
| Parallax (π) | 8.57 ± 0.84 mas |
| Distance | 380 ± 40 ly (120 ± 10 pc) |
| Absolute magnitude (MV) | 5.588 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Rotation | 26 km/s 0,01121 Year |
| Orbit | |
| Companion | 40 Aurigae B |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
40 Aurigae is a spectroscopic binary star in the constellation Auriga. Its apparent magnitude is 5.36.
References
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