An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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de Vaucouleurs law
  قانون ِ دووکولور  
qânun-e de Vaucouleurs
Fr.: loi de Vaucouleurs  

A mathematical expression describing the → surface brightness profile of a typical → elliptical galaxy,
whereby the projected luminosity distribution varies as exp(-R)1/4.

See also: → de Vaucouleurs radius; → law.