IU Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 27m 52.4005s |
| Declination | +34° 46′ 58.25″ |
| Apparent magnitude (V) | 8.39 |
| Characteristics | |
| Spectral type | B3Vnne |
| U−B color index | -0.71 |
| B−V color index | 0.2 |
| Astrometry | |
| Radial velocity (Rv) | 27 km/s |
| Proper motion (μ) | RA: 1.25 mas/yr Dec.: -0.29 mas/yr |
| Parallax (π) | 4.52 ± 1.35 mas |
| Distance | approx. 700 ly (approx. 220 pc) |
| Absolute magnitude (MV) | 8.57 |
| 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.) | |
IU Aurigae is a spectroscopic binary.
References
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