- Nu Cephei
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Nu Cephei Observation data
Epoch J2000.0 Equinox J2000.0Constellation Cepheus Right ascension 21h 45m 26.93s Declination +61° 07′ 14.9″ Apparent magnitude (V) 4.312 Characteristics Spectral type A2Iab Apparent magnitude (U) 4.95 Apparent magnitude (B) 4.740 Apparent magnitude (J) 3.296 Apparent magnitude (H) 3.215 Apparent magnitude (K) 2.942 U−B color index +0.21 B−V color index +0.428 Variable type Pulsating Astrometry Radial velocity (Rv) -20.8 km/s Proper motion (μ) RA: -3.08 mas/yr
Dec.: -1.86 mas/yrParallax (π) 0.64 ± 0.47 mas Distance 5,093.75 ly
(1,562.5 pc)Absolute magnitude (MV) -6.65 Details Mass 15 M☉ Radius 83.5 R☉ Luminosity 51,000 L☉ Temperature 9,500 K Other designations Nu Cephei (ν Cep, ν Cep) is a Class A2, fourth-magnitude star in the constellation Cepheus. Nu Cephei is a white pulsating variable star and multiple star system, located about 5100 light-years from Earth.
References
- "HD 207260 -- Pulsating variable star". SIMBAD Astronomical Database. http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=nu+cephei&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0. Retrieved 2007-03-01.
External links
Bayer α (Alderamin) • β (Alfirk) • γ (Errai) • δ • ε • ζ • η • θ • ι • κ • λ • μ (Garnet Star) • ν • ξ (Kurhah) • ο • π • ρ¹ • ρ²Flamsteed 1 (κ) • 2 (θ) • 3 (η) • 4 • 5 (α, Alderamin) • 6 • 7 • 8 (β, Alfirk) • 9 • 10 (ν) • 11 • 12 • 13 • 14 • 15 • 16 • 17 (ξ, Kurhah) • 18 • 19 • 20 • 21 (ζ) • 22 (λ) • 23 (ε) • 24 • 25 • 26 • 27 (δ) • 28 (ρ¹) • 29 (ρ²) • 30 • 31 • 32 (ι) • 33 (π) • 34 (ο) • 35 (γ, Errai) • 2 UMi • 77 Dra • 78 DraNearby Kruger 60 • Gliese 809 • WISE 0313+7807 • Gliese 48 • GJ 1277Other List Categories:- Bayer objects
- Henry Draper Catalogue objects
- Type-A stars
- Cepheus constellation
- Stars with proper names
- Alpha Cygni variables
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