An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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extrinsic variable star
  ستاره‌ی ِ ورتنده‌ی ِ برونگین  
setâre-ye vartande-ye borungin
Fr.: étoile variable extrinsèque  

A star whose variation in apparent brightness is not
due to changes in the star itself but to some external cause, such as eclipsing by a companion.

See also: → extrinsic; → variable; → star.