Rotanev vs Luhman 16
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Rotanev
Rotanev, formally designated Beta Delphini, is the brightest star in the constellation Delphinus and a binary system of evolved F-type stars. The components orbit one another on a period of about 26.7 years and are too close to separate with the unaided eye, so the system appears as a single star of roughly fourth magnitude. Its unusual name first appeared in the Palermo Star Catalogue of 1814 and...
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Luhman 16
Luhman 16 is a nearby binary brown-dwarf system in the southern constellation Vela, about 6.5 light-years from the Sun. Also catalogued as WISE J104915.57-531906.1, it consists of two cool substellar objects whose masses are too low to sustain the hydrogen fusion that powers ordinary stars; its discovery in 2013 made it useful for studying brown-dwarf atmospheres and weather.
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