An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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intrinsic variable
  ورتنده‌ی ِ درونگین  
vartande-ye darungin
Fr.: variable intrinsèque  

A variable star whose fluctuations in brightness are due to natural changes in the luminosity of the star itself, not by external causes, such as in → extrinsic variable stars.

See also: → intrinsic; → variable.