V420 Aurigae
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 22m 35.2305s |
| Declination | +37° 40′ 33.629″ |
| Apparent magnitude (V) | 7.45 |
| Characteristics | |
| Spectral type | B0IVpe |
| B−V color index | 0.188 |
| Variable type | High-mass X-ray binary |
| Astrometry | |
| Radial velocity (Rv) | -20.5 km/s |
| Proper motion (μ) | RA: 0.02 mas/yr Dec.: -5.21 mas/yr |
| Parallax (π) | 0.39 ± 0.89 mas |
| Distance | approx. 10,000 ly (approx. 3,000 pc) |
| Absolute magnitude (MV) | 7.58 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
V420 Aurigae is a high-mass, X-ray binary star.
References
Coordinates: 
05h 22m 35.2305s, +37° 40′ 33.629″
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