AE Aurigae
Template:Location mark Location of AE Aur (circled) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 5.96[2] (5.78 - 6.08[3]) |
| Characteristics | |
| Spectral type | O9.5V[4] |
| U−B Template:Engvar | −0.70[2] |
| B−V Template:Engvar | +0.22[2] |
| Variable type | Orion variable[3] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[5] km/s |
| Proper motion (μ) | RA: Script error: No such module "val". mas/yr[1] Dec.: +43.538 mas/yr[1] |
| Parallax (π) | 2.5740±0.0340 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | −3.93[6] |
| Details[6] | |
| Mass | Script error: No such module "val". Template:Solar mass |
| Radius | Script error: No such module "val". Template:Solar radius |
| Luminosity | Script error: No such module "val". Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val". cgs |
| Temperature | Script error: No such module "val". K |
| Rotational velocity (v sin i) | Script error: No such module "val". km/s |
| Age | Script error: No such module "val". Myr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist | |
| Database references | |
| SIMBAD | data |
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AE Aurigae (abbreviated as AE Aur) is a runaway star in the constellation Auriga; it lights the Flaming Star Nebula.
Description
AE Aurigae is a blue O-type main sequence star with a mean apparent magnitude of +6.0, making it faintly visible to the naked eye under very good observing conditions. It was discovered to be a variable star by Daniel Walter Morehouse, in 1923, and received its variable star designation in 1924.[8] It is classified as an Orion type variable star and its brightness varies irregularly between magnitudes +5.78 and +6.08. It is approximately 1,300 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 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.[9]
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.[10][11]
Companions
Two candidate companion stars have been detected at angular distances of 8.4Template:Pprime and 0.35Template:Pprime, respectively, but these are thought to be unrelated, optical companions. A new potential companion was discovered using the CHARA array in 2023. In December 2017, it had an angular separation from AE Aurigae of 6.85 mas, and in September 2018 it had an angular separation of 1.74 mas.[12]
References
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External links
- AE Aurigae Jim Kaler
- AE Aur VizieR GCVS entry
- HR 1712 VizieR Bright star catalogue entry
- AE Aurigae Aladin image
- CCDM J05163+3419 VizieR Catalog of Components of Double and Multiple Stars entry