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6 Lyncis
Star in the constellation Lynx From Wikipedia, the free encyclopedia
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6 Lyncis is a star in the northern constellation of Lynx,[8] located approximately 179 light years from Earth.[1] It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of 5.86.[2] This object is moving away from the Earth with a heliocentric radial velocity of +40 km/s.[2] It has a relatively high proper motion, traversing the celestial sphere at the rate of 0.341 arc seconds per annum.[9] One exoplanet is known to orbit it.[10]
This is an aging giant star with a stellar classification of K0.5 IIIb Fe0.5,[3] which indicates it has a mild overabundance of iron in its spectrum. At 2.8 billion years old,[6] it has exhausted the hydrogen at its core, causing it to evolve away from the main sequence. As a consequence, it has expanded to 5.12 times the radius of the Sun[5] although it only has 1.37 times the Sun's mass.[4] The star is radiating 14.2 times the luminosity of the Sun from its swollen photosphere at an effective temperature of 4,950 K.[6]
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Planetary system
In July 2008, the planet 6 Lyncis b was announced by Bun'ei Sato and collaborators from the Okayama Planet Search Program, along with 14 Andromedae b and 81 Ceti b. The planet was found to have minimum mass of 2.4 Jupiter masses and period of 899 days.[10]
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External links
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