UX Orionis star

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A subclass of the intermediate-mass, pre-main-sequence Herbig Ae/Be stars; also known as UXors. The light curves show distinctive Algol-like fadings of 1 mag. on a period of days to weeks. These random fadings are accompanied by changes of colour during minima and have been interpreted as due to non-uniform dust structure around the star.

Subjects: Astronomy and Astrophysics.

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