- Delta Aurigae
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δ Aurigae 
Location of δ Aurigae in the constellationObservation data
Epoch J2000 Equinox J2000Constellation Auriga Right ascension 05h 59m 31.6366s Declination +54° 17′ 04.762″ Apparent magnitude (V) 3.735 Characteristics Spectral type K0III U−B color index 0.87 B−V color index 1.0 R−I color index 0.5 Astrometry Radial velocity (Rv) 8.2 km/s Proper motion (μ) RA: 86.31 mas/yr
Dec.: -134.05 mas/yrParallax (π) 23.22 ± 0.91 mas Distance 140 ± 6 ly
(43 ± 2 pc)Absolute magnitude (MV) 4.742 Details Mass 0.8 M☉ Radius 0.9 R☉ Luminosity 0.4 L☉ Temperature 3,500–5,000 K Rotation < 17 km/s
0,007348 YearOther designations Database references SIMBAD data Data sources: Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)Database references SIMBAD data Delta Aurigae (δ Aur, δ Aurigae) is a double star in the constellation Auriga. It is approximately 140 light-years from Earth.
In Indian astronomy, it is known by the Sanskrit name Prajāpati (प्रजापति), "the Lord of Creation".[1][2]
In Chinese, 八穀 (Bā Gǔ), meaning Eight Kinds of Crops, refers to an asterism consisting of δ Aurigae, ξ Aurigae, 26 Camelopardalis, 14 Camelopardalis, 7 Camelopardalis, 9 Aurigae, 11 Camelopardalis and 31 Camelopardalis.[3] Consequently, δ Aurigae itself is known as 八穀一 (Bā Gǔ yī, English: the First Star of Eight Kinds of Crops.)[4]
The brighter component is an orange K-type giant with an apparent magnitude of +3.72. It has a companion with an apparent magnitude of +9.7, located 115.4 arcseconds distant.
References
- ^ "Auriga", by Richard Hinckley Allen in Star Names: Their Lore and Meaning
- ^ Monier-Williams Sanskrit dictionary: pra-cchana—pra-jalpa
- ^ (Chinese) 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.
- ^ (Chinese) http://zh.wikipedia.org/wiki/%E5%BE%A1%E5%A4%AB%E5%BA%A7
External links
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:- Stars with proper names
- Henry Draper Catalogue objects
- HIP objects
- Bayer objects
- Auriga constellation
- Double stars
- K-type giants
- Giant star stubs
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