HD 34557
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 20m 14.6697s |
| Declination | +41° 05′ 10.364″ |
| Apparent magnitude (V) | 54.68 |
| Characteristics | |
| Spectral type | A3V |
| U−B color index | 0.05 |
| B−V color index | 0.11 |
| Astrometry | |
| Radial velocity (Rv) | 22 km/s |
| Proper motion (μ) | RA: -18.1 mas/yr Dec.: -52.22 mas/yr |
| Parallax (π) | 10.66 ± 1.0 mas |
| Distance | 310 ± 30 ly (94 ± 9 pc) |
| Absolute magnitude (MV) | 5.583 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Rotation | 200 Km/s 0,001457372 Year |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 34557 is a double or multiple star in the Auriga constellation.
References
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