The Sérsic profile (or Sérsic model or Sérsic's law) is a mathematical function that describes how the intensity I {\displaystyle I} of a galaxy varies with distance R {\displaystyle R} from its center. It is a generalization of de Vaucouleurs' law.
The Sérsic profile (or Sérsic model or Sérsic's law) is a mathematical function that describes how the intensity I {\displaystyle I} of a galaxy varies with distance R {\displaystyle R} from its center. It is a generalization of de Vaucouleurs' law.
Source: Wikipedia "Sérsic profile" · CC BY-SA 4.0
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