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The parallelism between early-type galaxies and clusters

Prof. Mauro D'Onofrio
Dept. of Physics and Astronomy, University of Padova

July 3rd, 2018


I will review the properties of nearby early-type galaxies and galaxy clusters showing the most interesting observed parallelisms, such as the Sersic behavior of the light profiles, the color-magnitude diagram and the main scaling relations. I will show a comparison with the data extracted from the ILLUSTRIS simulation and present the constraints to the star formation history that are necessary to obtain a reliable distribution of galaxies in the color-magnitude diagram.