Star in the constellation Cancer
46 Cancri is a star in the zodiac constellation of Cancer , located around 680 light years away from the Sun. It is a dim, yellow-hued star, near the lower limits of visibility to the naked eye with an apparent visual magnitude of 6.12. The star is moving closer to the Earth with a heliocentric radial velocity of –13.1 km/s. It has a stellar classification of G5 III, matching an aging giant star that has consumed the hydrogen at its core and evolved away from the main sequence .
46 Cancri is 740 million years old with 2.65 times the mass of the Sun . It has expanded to about 11 times the Sun's radius and is radiating 125.9 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,966 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 .
^ Hoffleit, Dorrit (1964), Catalogue of Bright Stars (3rd ed.), New Haven, Conn.: Yale University Observatory, Bibcode :1964cbs..book.....H .
^ Liu, Yujuan; et al. (August 2010), "Stellar Parameters and Abundance Analysis of 58 Late G Giants", Publications of the Astronomical Society of Japan , 62 (4): 1071–1084, Bibcode :2010PASJ...62.1071L , doi :10.1093/pasj/62.4.1071 .
^ Pasinetti Fracassini, L. E.; et al. (February 2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy and Astrophysics , 367 (Third ed.): 521–524, arXiv :astro-ph/0012289 , Bibcode :2001A&A...367..521P , doi :10.1051/0004-6361:20000451 , S2CID 425754 .
De Medeiros, J. R.; et al. (November 2000), "Rotation and lithium in single giant stars", Astronomy and Astrophysics , 363 : 239–243, arXiv :astro-ph/0010273 , Bibcode :2000A&A...363..239D .
"46 Cnc" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2019-03-06.
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46 Cancri
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