- Nu Aquarii
-
ν Aquarii Observation data
Epoch J2000 Equinox J2000Constellation Aquarius Right ascension 21h 09m 35.6477s Declination -11° 22′ 18.095″ Apparent magnitude (V) 4.519 Characteristics Spectral type G8III U−B color index 0.7 B−V color index 0.94 Astrometry Radial velocity (Rv) -11.8 km/s Proper motion (μ) RA: 92.31 mas/yr
Dec.: -15.76 mas/yrParallax (π) 19.93 ± 0.77 mas Distance 164 ± 6 ly
(50 ± 2 pc)Absolute magnitude (MV) 5.752 Details Mass 1.1 M☉ Radius 1.1 R☉ Luminosity 1.2 L☉ Temperature 5,000–6,000 K Other designations Database references SIMBAD data Nu Aquarii (ν Aqr, ν Aquarii) is a star in the constellation Aquarius. It shares the traditional name Albulaan with μ Aquarii. The name derives from an Arabic term al-bulacān (ألبولعان) meaning "the two swallowers". This star, along with ε Aqr (Albali) and μ Aqr (Albulaan), were al Bulaʽ (البلع), the Swallower.[1][2][3]
In Chinese, 天壘城 (Tiān Lěi Chéng), meaning Celestial Ramparts, refers to an asterism consisting of ν Aquarii, ξ Aquarii, 46 Capricorni, 47 Capricorni, λ Capricorni, 50 Capricorni, 18 Aquarii, 29 Capricorni, 9 Aquarii, 8 Aquarii, 14 Aquarii, 17 Aquarii and 19 Aquarii.[4] Consequently, ν Aquarii itself is known as 天壘城十 (Tiān Lěi Chéng shí, English: the Tenth Star of Celestial Ramparts.)[5]
Nu Aquarii is a yellow G-type giant with an apparent magnitude of +4.50. It is approximately 164 light years from Earth.
References
- ^ Davis Jr., G. A., "The Pronunciations, Derivations, and Meanings of a Selected List of Star Names,"Popular Astronomy, Vol. LII, No. 3, Oct. 1944, p. 12.
- ^ Allen, R. H. (1963). Star Names: Their Lore and Meaning (Reprint ed.). New York: Dover Publications Inc. p. 53. ISBN 0486210790. http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Aquarius*.html. Retrieved 2010-12-12.
- ^ ε Aqr as Nir Saad Bula or Lucida Fortunæ Dissipantis (the brightest of luck of the swallower) and the common name is Albali. μ Aqr and ν Aqr was already designated as the common name Albulaan, the plural form of al Bulaʽ
- ^ (Chinese) 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.
- ^ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 5 月 15 日
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:- Star stubs
- Giant star stubs
- Stars with proper names
- Henry Draper Catalogue objects
- Bayer objects
- Aquarius constellation
- G-type giants
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