HD 37646
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 41m 20.9774s |
| Declination | +29° 29′ 14.706″ |
| Apparent magnitude (V) | 6.374 |
| Characteristics | |
| Spectral type | B8IV |
| U−B color index | -0.39 |
| B−V color index | -0.11 |
| Astrometry | |
| Radial velocity (Rv) | 18 km/s |
| Proper motion (μ) | RA: 16.34 mas/yr Dec.: -25.72 mas/yr |
| Parallax (π) | 6.49 ± 1.75 mas |
| Distance | approx. 500 ly (approx. 150 pc) |
| Absolute magnitude (MV) | 6.295 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Rotation | 200 Km/s 0,0048579 Year |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
| Database references | |
| SIMBAD | data |
HD 37646 is a star in a double system.
References
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