Do Galaxy Clusters follow De Vaucouleurs' Law?

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If objects in the universe are built hierarchically, wouldn't one expect a Galaxy Cluster that is roughly spherical to follow the same profile as an elliptical galaxy?
 

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Not necessarily. Can I ask what makes you think that?
 
Drakkith said:
Not necessarily. Can I ask what makes you think that?
I'm studying the Coma Cluster. If they don't follow De Vaucouleurs' Law, which law describes the luminosity or mass profile for a cluster of galaxies?