- Omega² Aquarii
-
For other star systems with this Bayer designation, see Omega Aquarii.
ω2 Aquarii Observation data
Epoch J2000 Equinox J2000Constellation Aquarius Right ascension 23h 42m 43.3441s Declination -14° 32′ 41.657″ Apparent magnitude (V) 4.483 Characteristics Spectral type B9V U−B color index -0.12 B−V color index -0.04 Astrometry Radial velocity (Rv) 3 km/s Proper motion (μ) RA: 98.35 mas/yr
Dec.: -66.78 mas/yrParallax (π) 21.16 ± 0.87 mas Distance 154 ± 6 ly
(47 ± 2 pc)Absolute magnitude (MV) 4.451 Details Mass 18 M☉ Radius 7 R☉ Luminosity 20,000 L☉ Temperature 10,000–30,000 K Rotation 0.006228 Year Other designations Database references SIMBAD data Database references SIMBAD data Omega2 Aquarii (ω2 Aqr, ω2 Aquarii) is a star in the constellation Aquarius. It is approximately 154 light years from Earth.
ω2 Aquarii is a blue-white B-type main sequence dwarf star with an apparent magnitude of +4.49. It has a companion star located 5 arcseconds away, which is thought to be an optical companion.
References
Stars of Aquarius Bayer Flamsteed - 1
- 2 (ε, Albali)
- 3
- 4
- 5
- 6 (μ)
- 7
- 8
- 9
- 10
- 11
- 12
- 13 (ν)
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22 (β, Sadalsuud)
- 23 (ξ, Bunda)
- 24
- 25
- 26
- 28
- 29
- 30
- 31 (ο)
- 32
- 33 (ι)
- 34 (α, Sadalmelik)
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43 (θ, Ancha)
- 44
- 45
- 46 (ρ)
- 47
- 48 (γ, Sadachbia)
- 49
- 50
- 51
- 52 (π, Seat)
- 53
- 54
- 55 (ζ)
- 56
- 57 (σ)
- 58
- 59 (υ)
- 60
- 61
- 62 (η)
- 63 (κ, Situla)
- 64
- 65
- 66
- 67
- 68
- 69 (τ1)
- 70
- 71 (τ2)
- 72
- 73 (λ)
- 74
- 75
- 76 (δ, Skat)
- 77
- 78
- 80
- 82
- 83
- 85
- 86
- 87
- 88
- 89
- 90 (φ)
- 91 (ψ1)
- 92 (χ)
- 93 (ψ2)
- 94
- 95 (ψ3)
- 96
- 97
- 98
- 99
- 100
- 101
- 102 (ω1)
- 103
- 104
- 105 (ω2)
- 106
- 107
- 108
Categories:- Henry Draper Catalogue objects
- Bayer objects
- Aquarius constellation
- Flamsteed objects
- B-type main sequence stars
- Main sequence star stubs
Wikimedia Foundation. 2010.
