- Rho Persei
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Stars of Perseus
ρ Persei Observation data
Epoch J2000.0 Equinox J2000.0Constellation Perseus Right ascension 03h 05m 10.6s Declination +38° 50' 25" Apparent magnitude (V) +3.39 Distance 317 ly
(97 pc)Spectral type M4II Other designations Rho Persei (ρ Per, ρ Persei) is a star in the constellation Perseus. It has the traditional name Gorgonea Tertia.
Rho Persei is a semiregular variable star of the μ Cephei type, whose apparent magnitude varies between 3.3 and 4.0 with periods of 50 days and 1100 days. It is of spectral class M4 and is approximately 317 light years from Earth. ρ Persei has a total luminosity of some 3470 times that of the Sun while its radius is 164 times solar. The star has a mass of 3 solar masses while its surface temperature is some 3460 kelvins.
External links
Bayer α (Mirfak / Algenib) • β (Algol) • γ • δ • ε • ζ • η (Miram) • θ • ι • κ (Misam) • λ • μ • ν • ξ (Menkib) • ο (Atik) • π (Gorgonea Secunda) • ρ (Gorgonea Tertia) • σ • τ • φ • χ (also NGC 884) • ψ • ω (Gorgonea Quarta) • b • c • d • e • f • g • i • k • l • m • n • o • AFlamsteed 1 • 2 • 3 • 4 (g) • 5 • 7 (χ) • 8 • 9 (i) • 10 • 11 • 12 • 13 (θ) • 14 • 15 (η, Miram) • 16 • 17 • 18 (τ) • 20 • 21 • 22 (π, Gorgonea Secunda) • 23 (γ) • 24 • 25 (ρ, Gorgonea Tertia) • 26 (β, Algol) • 27 (κ, Misam) • 28 (ω, Gorgonea Quarta) • 29 • 30 • 31 • 32 (l) • 33 (α, Mirfak / Algenib) • 34 • 35 (σ) • 36 • 37 (ψ) • 38 (ο, Atik) • 39 (δ) • 40 (o) • 41 (ν) • 42 (n) • 43 (A) • 44 (ζ) • 45 (ε) • 46 (ξ, Menkib) • 47 (λ) • 48 (c) • 49 • 50 • 51 (μ) • 52 (f) • 53 (d) • 54 • 55 • 56 • 57 (m) • 58 (e) • 59 • 1 AurNearby GJ 1068Other Categories:- Bayer objects
- Flamsteed objects
- Henry Draper Catalogue objects
- Perseus constellation
- M-type giants
- Semiregular variables
- Stars with proper names
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