AE Aurigae

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AE Aurigae
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 05h 16m 18.1497s
Declination +34° 18′ 44.341″
Apparent magnitude (V) 5.998
Spectral type O9.5V
U−B color index -0.7
B−V color index 0.22
Variable type Orion variable
Radial velocity (Rv) 59.1 km/s
Proper motion (μ) RA: -4.05 mas/yr
Dec.: 43.22 mas/yr
Parallax (π) 2.24 ± 0.74 mas
Distance approx. 1,500 ly
(approx. 400 pc)
Absolute magnitude (MV) -2.3
Mass 17 M
Radius 6.3 R
Luminosity 33,000 L
Temperature 31,400 K
Rotation 5 Km/s
Companion CCDM 05163+3419 B
Semi-major axis (a) 8.4"
Inclination (i) 355°
Other designations
GC 6429, IDS 05097+3412, TD1 4252, SEI 136, GCRV 3123, IRAS 05130+3415, TYC 2398-894-1, ADS 3843, JP11 1013, UBV M 10749, AG+34° 542, GOS G172.08-02.26 01, LS V +34 3, uvby98 100034078 ABV, ALS 8255, GSC 02398-00894, MCW 290, VDB 34, BD+34° 980, HD 34078, PLX 1190, CCDM J05163+3419, HGAM 375, PPM Star Catalogue 70112, AAVSO 0509+34, CEL 587, HIC 24575, ROT 748, WDS J05163+3419, CGO 80, HIP 24575, SAO 57816, CSI+34 980 1, HR 1712.
Database references
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)
Database references

AE Aurigae (AE Aur) is a runaway star in the constellation Auriga; it lights the Flaming Star Nebula.[1]

AE Aurigae is a blue O-type main sequence dwarf with a mean apparent magnitude of +5.99. It is classified as an Orion type variable star and its brightness varies irregularly between magnitudes +5.78 and +6.08. It is approximately 1460 light-years from Earth. It 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 53 Arietis, has been traced to the Trapezium cluster in the Orion Nebula[1] two million years ago.


NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
ADS 3843 B (BD+34 980B) 05h 16m 18.1s +34° 18' 49 8.8 Simbad

See also[edit]


  1. ^ a b Darling, David. "Flaming Star Nebula (IC 405)". The Internet Encyclopedia of Science. Archived from the original on 1 August 2008. Retrieved 2008-08-08. 

External links[edit]