- Omicron Draconis
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Omicron Draconis Observation data
Epoch J2000 Equinox J2000Constellation Draco Right ascension 18h 51m 12.0955s Declination +59° 23′ 18.063″ Apparent magnitude (V) 4.62 Distance 322.93 ly
(99.1 pc)Spectral type K2III Other designations Omicron Draconis (ο Dra, ο Draconis) is a supergiant star in the constellation Draco located 322.93 light years from the Earth. It has a radius of 30 solar radii, and a luminosity of 269 suns. Its path in the night sky is circumpolar above the ecliptic, meaning the star never rises or sets when viewed in the night sky.
Omicron Draconis can be considered the north pole star of Mercury, as it is the closest star to Mercury's north celestial pole.
References
- 2004. Starry Night Pro, Version 5.8.4. Imaginova. ISBN 978-0-07-333666-4. www.starrynight.com
Stars of Draco Bayer α (Thuban) • β (Rastaban) • γ (Eltanin) • δ (Altais) • ε (Tyl) • ζ (Aldhibah) • η (Aldhibain) • θ • ι (Edasich) • κ • λ (Gianfar) • μ (Arrakis) • ν (Kuma) • ξ (Grumium) • ο • π • ρ • σ (Alsafi) • τ • υ • φ • χ • ψ (Dziban) • ω • b • c • d • e • f • g • h • i • AFlamsteed 1 (λ, Gianfar) • 2 • 3 • 4 • 5 (κ) • 6 • 7 • 8 • 9 • 10 (i) • 11 (α, Thuban) • 12 (ι, Edasich) • 13 (θ) • 14 (η, Aldhibain) • 15 (A) • 16 • 17 • 18 (g) • 19 (h) • 20 • 21 (μ, Arrakis) • 22 (ζ, Aldhibah) • 23 (β, Rastaban) • 24 (ν¹, Kuma) • 25 (ν², Kuma) • 26 • 27 (f) • 28 (ω) • 29 • 30 • 31 (ψ, Dziban) • 32 (ξ, Grumium) • 33 (γ, Eltanin) • 34 • 35 • 36 • 37 • 38 • 39 (b) • 40 • 41 • 42 • 43 (φ) • 44 (χ) • 45 (d) • 46 (c) • 47 (ο) • 48 • 49 • 50 • 51 • 52 (υ) • 53 • 54 • 55 • 56 • 57 (δ, Altais) • 58 (π) • 59 • 60 (τ) • 61 (σ, Alsafi) • 62 • 63 (ε, Tyl) • 64 (e) • 65 • 66 • 67 (ρ) • 68 • 69 • 70 • 71 • 72 • 73 • 74 • 75 • 76Nearby Struve 2398 • Gliese 687 • σ (Alsafi) • GJ 1221 • Gliese 625 • GJ 4053 • Gliese 793 • SSSPM J1138-7722 • GJ 1227 • χ (Batentaban Borealis) • WISE 1647+5632List Categories:- Bayer objects
- Draco constellation
- Stars with proper names
- Supergiant stars
- Giant star stubs
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