Star in the constellation Camelopardalis
23 Camelopardalis is a star in the northern circumpolar constellation of Camelopardalis , located 433 light years away from the Sun. It is just visible to the naked eye as a dim, yellow-hued star with an apparent visual magnitude of 6.17. The object is moving closer to the Sun with a heliocentric radial velocity of −2.5 km/s.
With a stellar classification of G5 III:, 23 Camelopardalis appears to be an aging giant star that has exhausted the hydrogen at its core and evolved away from the main sequence , although the ':' denotes some uncertainty about the classification. It is a red clump giant, which indicates it is on the horizontal branch and is generating energy through helium fusion at its core . The star is 1.5 billion years old with more than double the mass of the Sun and almost 10 times the Sun's radius . It is radiating 60 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 5,183 K.
References
^ 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 .
^ Luck, R. Earle (2015), "Abundances in the Local Region. I. G and K Giants", Astronomical Journal , 150 (3), 88, arXiv :1507.01466 , Bibcode :2015AJ....150...88L , doi :10.1088/0004-6256/150/3/88 , S2CID 118505114 .
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 .
^ da Silva, R.; et al. (February 2011), "Homogeneous photospheric parameters and C abundances in G and K nearby stars with and without planets", Astronomy and Astrophysics , 526 : 13, arXiv :1011.5768 , Bibcode :2011A&A...526A..71D , doi :10.1051/0004-6361/201015907 , S2CID 118803404 , A71.
"23 Cam" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2019-04-17.Mishenina, T. V.; et al. (September 2006), "Elemental abundances in the atmosphere of clump giants", Astronomy and Astrophysics , 456 (3): 1109–1120, arXiv :astro-ph/0605615 , Bibcode :2006A&A...456.1109M , doi :10.1051/0004-6361:20065141 , S2CID 18764566 .
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23 Camelopardalis
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