High Quality Content by WIKIPEDIA articles! The Bayer designation Xi Capricorni is shared by two star systems, in the constellation Capricornus. A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems. Star system may also be used to refer to a system of a single star together with a planetary system of orbiting smaller bodies. A stellar system of two stars is known as a binary star, binary star system or physical double star.

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