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Star in the constellation Aquarius
45 Aquarii is a star in the zodiac constellation of Aquarius . 45 Aquarii is its Flamsteed designation . It has an apparent visual magnitude of 5.96,[ 2] light years based on parallax measurements, and it is drifting further away with a heliocentric radial velocity of +30 km/s.[ 2]
The stellar classification of 45 Aquarii is K0 III,[ 3] evolved K-type giant star that has consumed the hydrogen at its core and expanded. It has an estimated 10 times the radius of the Sun and is radiating 50 times the Sun's luminosity at an effective temperature of 4,750 K.[ 4]
^ a b c d Brown, A. G. A. ; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties" . Astronomy & Astrophysics 649 : A1. arXiv :2012.01533 Bibcode :2021A&A...649A...1G . doi :10.1051/0004-6361/202039657 S2CID 227254300 . (Erratum: doi :10.1051/0004-6361/202039657e ) . Gaia EDR3 record for this source at VizieR .^ a b c d e f Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters , 38 (5): 331, arXiv :1108.4971 Bibcode :2012AstL...38..331A , doi :10.1134/S1063773712050015 , S2CID 119257644 . ^ a b Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars , vol. 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode :1988mcts.book.....H . ^ a b c d Brown, A. G. A. ; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties" . Astronomy & Astrophysics 616 . A1. arXiv :1804.09365 Bibcode :2018A&A...616A...1G doi :10.1051/0004-6361/201833051 Gaia DR2 record for this source at VizieR .^ "45 Aqr" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2019-05-16 .
