- Omega Piscium
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Omega Piscium[1] Observation data
Epoch J2000.0 Equinox J2000.0Constellation Pisces Right ascension 23h 59m 18.6896s Declination +6° 51' 47.956" Apparent magnitude (V) 4.036 Characteristics Spectral type F4IV U−B color index +0.07 B−V color index +0.42 Astrometry Radial velocity (Rv) 1.9 km/s Proper motion (μ) RA: 148.49 mas/yr
Dec.: -112.16 mas/yrParallax (π) 30.78 ± 0.87 mas Distance 106 ± 3 ly
(32.5 ± 0.9 pc)Other designations Omega Piscium (ω Psc) is a star approximately 106 light years away from Earth, in the constellation Pisces. It has a spectral type of F4IV, meaning it is a subgiant/dwarf star, and it has a temperature of 6,600 kelvins. It may or may not be a close binary star system. Variations in its spectrum were once interpreted as giving it an orbital period of 2.16 days, but this claim was later debunked as false. It is 20 times brighter than our Sun and is 1.8 times greater in mass, if it is a single star.[2]
Counting stars with Flamsteed numbers, Greek letters, and proper names, Omega Piscium is the named star with the highest right ascension (akin to terrestrial longitude). Due to the 26,000-year wobble of the Earth's axis, this will change in 2013, when its right ascension will reset to 0 hours. It is the first star to the east of the Circlet of Pisces,[2] which represents the head of the western fish in the constellation.[3]
References
- ^ "Simbad Query Result". Simbad. http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=Omega+Psc&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id. Retrieved September 30, 2007.
- ^ a b ""Omega Psc"". http://www.astro.uiuc.edu/~kaler/sow/omegapsc.html. Retrieved September 30, 2007.
- ^ ""Western Pisces"". http://www.astro.uiuc.edu/~kaler/sow/psc-w-p.html. Retrieved September 30, 2007.
Bayer α (Alrescha) • β (Fum al Samakah) • γ • δ • ε • ζ • η (Kullat Nunu) • θ • ι • κ • λ • μ • ν • ξ • ο (Torcularis Septentrionalis) • π • ρ • σ • τ • υ • φ • χ • ψ¹ • ψ² • ψ³ • ω • b • c • d • e • f • g • h • i • k • l • AFlamsteed 1 • 2 • 3 • 4 (β, Fum al Samakah) • 5 (A) • 6 (γ) • 7 (b) • 8 (κ) • 9 • 10 (θ) • 11 • 12 • 13 • 14 • 15 • 16 • 17 (ι) • 18 (λ) • 19 • 20 • 21 • 22 • 24 • 25 • 26 • 27 • 28 (ω) • 29 • 30 • 31 • 32 (c) • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 (d) • 42 • 43 • 44 • 45 • 46 • 47 • 48 • 49 • 51 • 52 • 53 • 54 • 55 • 57 • 58 • 59 • 60 • 61 • 62 • 63 (δ) • 64 • 65 (i) • 66 • 67 (k) • 68 (h) • 69 (σ) • 70 • 71 (ε) • 72 • 73 • 74 (ψ¹) • 75 • 76 • 77 • 78 • 79 (ψ²) • 80 (e) • 81 (ψ³) • 82 (g) • 83 (τ) • 84 (χ) • 85 (φ) • 86 (ζ) • 87 • 88 • 89 (f) • 90 (υ) • 91 (l) • 92 • 93 (ρ) • 94 • 95 • 96 • 97 • 98 (μ) • 99 (η, Kullat Nunu) • 100 • 101 • 102 (π) • 103 • 104 • 105 • 106 (ν) • 107 • 109 • 110 (ο, Torcularis Septentrionalis) • 111 (ξ) • 112 • 113 (α, Alrescha) • 3 Ari • 4 Cet • 5 CetNearby van Maanen's star • BR • SIMP J013656.5+093347 • GJ 1286 • Gliese 33 • 107 Piscium • GJ 3076 • 2MASS 0036+1821 • GJ 3128 • CFBDS J005910.90-011401.3List Categories:- Pisces constellation
- Bayer objects
- Flamsteed objects
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