An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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photometric binary
  دُرین ِ شید-سنجیک، ~ نور-سنجیک  
dorin-e šidsanjik, ~ nursanjik
Fr.: binaire photométrique  

A binary star whose binarity is detectable from its variability and light-curve that has certain specific characteristics.

See also: → photometric + → binary.