AE Aurigae
 Location of AE Aur (circled) |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Auriga |
| Right ascension | 05h 16m 18.15000s |
| Declination | +34° 18′ 44.3455″ |
| Apparent magnitude (V) | 5.96(5.78 - 6.08) |
| Characteristics | |
| Spectral type | O9.5V |
| U−B color index | −0.70 |
| B−V color index | +0.22 |
| Variable type | Orion variable |
| Astrometry | |
| Radial velocity (Rv) | 56.70 km/s |
| Proper motion (μ) |
RA: -3.58 mas/yr Dec.: 43.73 mas/yr |
| Parallax (π) | 2.24 ± 0.74mas |
| Distance | 534pc |
| Absolute magnitude (MV) | −3.92 |
| Details | |
| Mass | 23 M☉ |
| Radius | 7.47 R☉ |
| Luminosity | 59,000 L☉ |
| Surface gravity (log g) | 4.0 cgs |
| Temperature | 33,000 K |
| Rotational velocity (v sin i) | 25 km/s |
| Other designations | |
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GC 6429, IDS 05097+3412, GCRV 3123, IRAS 05130+3415, TYC 2398-894-1, ADS 3843, UBV M 10749, AG+34°542, GOS G172.08-02.26 01, uvby98 100034078 ABV, GSC 02398-00894, VDB 34, BD+34°980, HD 34078, PLX 1190, CCDM J05163+3419, PPM Star Catalogue 70112, AAVSO 0509+34, HIP 24575, ROT 748, WDS J05163+3419, CGO 80, SAO 57816, CSI+34 980 1, HR 1712
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| Database references | |
| SIMBAD | data |
| Data sources: | |
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Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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| Database references | |
| SIMBAD | data |
AE Aurigae (AE Aur) is a runaway star in the constellation Auriga; it lights the Flaming Star Nebula.
AE Aurigae is a blue O-type main sequence dwarf with a mean apparent magnitude of +6.0. It is classified as an Orion type variable star and its brightness varies irregularly between magnitudes +5.78 and +6.08. It is approximately 1,700 light-years from Earth.
AE Aur is a runaway star that might have been ejected during a collision of two binary star groups. This collision, which also is credited with ejecting Mu Columbae and possibly 53 Arietis, has been traced to the Trapezium cluster in the Orion Nebula two million years ago. The binary Iota Orionis may have been the other half of this collision.
AE Aur is seen to light up the Flaming Star nebula, but it was not formed within it. Instead it is passing through the nebula at high speed and producing a violent bow shock and high energy electromagnetic radiation.
AE Aur has a close 8th magnitude companion component B.
There is also a more distant companion HD 34042, sometimes called component C, which has a spectral type of A5.
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