- Psi1 Aurigae
-
- For other star systems with this Bayer designation, see Psi Aurigae.
ψ1 Observation data
Epoch J2000 Equinox J2000Constellation Auriga Right ascension 06h 24m 53.9027s Declination +49° 17′ 16.415″ Apparent magnitude (V) 4.97 Characteristics Spectral type K5Iab U−B color index 1.07 B−V color index 1.97 R−I color index 1.07 Variable type Irregular variable Astrometry Radial velocity (Rv) 4.7 ± 0.9 km/s Proper motion (μ) RA: 0.82 ± 0.82 mas/yr
Dec.: -2.48 ± 0.47 mas/yrParallax (π) 0.85 ± 0.81 mas Distance approx. 4000 ly
(approx. 1000 pc)Absolute magnitude (MV) -5.63 Details Mass ~13-15 M☉ Radius 433 R☉ Luminosity 44700 L☉ Temperature 4,060 K Other designations Database references SIMBAD data Data sources: Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)Psi1 Aurigae (ψ1 Aur, ψ1 Aurigae) is a star in the constellation Auriga.
ψ1 Aurigae is an orange K-type supergiant with a mean apparent magnitude of +4.92. It is approximately 3837 light-years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.75 to +5.70.
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
- 66
Nearby - QY
- UGPS J0521+3640
Categories:- Star stubs
- Variable star stubs
- Henry Draper Catalogue objects
- HIP objects
- Bayer objects
- Auriga constellation
- Irregular variables
- K-type supergiants
- M-type supergiants
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