An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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extinction correction
  ارشایش ِ خاموشی  
aršâyeš-e xâmuši
Fr.: correction d'extinction  

In → photometric calibration, the correction for energy loss undergone by radiation due to the → atmospheric extinction. Extinction correction is done using → standard stars observed at different → airmasses.

See also: → extinction; → correction.