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Kinematical and Dynamical Modeling of Elliptical Galaxies
EAS Publications Series
Elements of kinematical and dynamical modeling of elliptical galaxies (Es) are presented. In projection, NFW models resemble Sersic models, but with a very narrow range of shapes (m=3+/-1). The total density profile of Es cannot be NFW-like because the predicted local M/L and aperture velocity dispersion within an effective radius (Re) are much lower than observed. Stars must then dominate Es out to a few Re. Fitting an NFW model to the total density profile of Sersic+NFW (stars+dark matterdoi:10.1051/eas:2006061 fatcat:sqjkrrlbwzg57pce4a2eeae3km