HD 200661
Template:Short description Template:Starbox begin Template:Starbox observe Template:Starbox character Template:Starbox astrometry Template:Starbox detail Template:Starbox catalog Template:Starbox reference Template:Starbox end HD 200661 (HR 8067) is a solitary star in the equatorial constellation Equuleus. It has an apparent magnitude of 6.41, placing it near the max naked eye visibility. The star is situated at a distance of 430 light years[1] but is approaching with a heliocentric radial velocity of Template:Val.[2]
HD 200661 has a stellar classification of K0 III,[3] indicating that the object is an early K-type giant star that is on the horizontal branch.[4] It has an angular diameter of Template:Val, which yields a diameter 10.62[5] times that of the Sun at its estimated distance. At present HD 200661 has 1.74 times the Sun’s mass,[6] and shines at 51.3 times the luminosity of the Sun[7] from its enlarged photosphere at an effective temperature of 4,740 K,[7] giving it a yellow-orange glow.
References
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