EO Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 05h 18m 21.066s[1] |
| Declination | +36° 37′ 55.35″[1] |
| Apparent magnitude (V) | 7.83 |
| Characteristics | |
| Spectral type | B5 |
| B−V color index | 0.066 |
| Variable type | Algol variable |
| Astrometry | |
| Radial velocity (Rv) | -1,1 km/s |
| Proper motion (μ) | RA: -1.67 ± 1.71[1] mas/yr Dec.: -3.33 ± 0.75[1] mas/yr |
| Parallax (π) | 2.12 ± 1.15[1] mas |
| Distance | approx. 1,500 ly (approx. 500 pc) |
| Absolute magnitude (MV) | 7.9 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Rotation | 4,0656372400 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
EO Aurigae is an eclipsing binary of Algol type. The eclipsing binary nature of the star was detected in 1943 by Sergei Gaposchkin at Harvard College Observatory.[2]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ↑ Gaposchkin, Sergei (1943). "A New Bright Eclipsing Variable of Large Mass, HV 10327". Publications of the Astronomical Society of the Pacific 55 (325): 192–194. Bibcode:1943PASP...55..192G. doi:10.1086/125543.
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