- Chi Aurigae
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χ Aurigae Observation data
Epoch J2000 Equinox J2000Constellation Auriga Right ascension 05h 32m 43.6729s Declination +32° 11′ 31.278″ Apparent magnitude (V) 4.744 Characteristics Spectral type B5Iab U−B color index -0.46 B−V color index 0.34 R−I color index 0.27 Astrometry Radial velocity (Rv) -0.2 km/s Proper motion (μ) RA: -1.81 mas/yr
Dec.: -4.0 mas/yrParallax (π) 0.8 ± 0.89 mas Distance approx. 4000 ly
(approx. 1000 pc)Absolute magnitude (MV) 4.996 Details Mass 18 M☉ Radius 7 R☉ Luminosity 20,000 L☉ Temperature 10,000–30,000 K Orbit Companion Chi Aurigae B Period (P) 1,79373 yr Other designations Database references SIMBAD data Data sources: Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)Chi Aurigae (χ Aur, χ Aurigae) is a binary star in the constellation Auriga. It is at least 2000 light-years from Earth.
Chi Aurigae is a spectroscopic binary which is classified as a blue-white B-type supergiant with an apparent magnitude of +4.71. The binary has an orbital period of 655.16 days.
References
Bayer Flamsteed 2 • 3 (ι, Hassaleh) • 4 (ω) • 5 • 6 • 7 (ε, Almaaz) • 8 (ζ, Sadatoni) • 9 • 10 (η) • 11 (μ) • 12 • 13 (α, Capella) • 14 • 15 (λ) • 16 • 17 • 18 • 19 • 20 (ρ) • 21 (σ) • 22 • 24 (φ) • 25 (χ) • 26 • 27 (ο) • 28 • 29 (τ) • 30 (ξ) • 31 (υ) • 32 (ν) • 33 (δ) • 34 (β, Menkalinan) • 35 (π) • 36 • 37 (θ) • 38 • 39 • 40 • 41 • 42 • 43 • 44 (κ) • 45 • 46 (ψ¹) • 47 • 48 • 49 • 50 (ψ²) • 51 • 52 (ψ³) • 53 • 54 • 55 (ψ4) • 56 (ψ⁵) • 57 (ψ6) • 58 (ψ7) • 59 • 60 • 61 (ψ8) • 62 • 63 • 64 • 65 • 66Nearby QY • UGPS J0521+3640Categories:- Multiple star stubs
- Henry Draper Catalogue objects
- Spectroscopic binaries
- HIP objects
- Bayer objects
- Auriga constellation
- B-type supergiants
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