Two Scenarios for the Formation of Cuspy Density Profiles in Elliptical Galaxies

Details Two Scenarios for the Formation of Cuspy Density Profiles in Elliptical Galaxies Two Scenarios for the Formation of Cuspy Density Profiles in Elliptical Galaxies

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005rmxaa..41...25c&link_type=abstract

Revista Mexicana de Astronomía y Astrofísica Vol. 41, pp. 25-29 (2005) (http://www.astroscu.unam.mx/~rmaa/)

Mathematics

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1

Galaxies: Elliptical And Lenticular, Cd, Galaxies: Formation, Galaxies: Nuclei, Methods: Numerical

Scientific paper

We address the formation of cuspy density profiles, through N-body simulations, in two complementary scenarios: (1) a cold gravitational collapse around a preexisting supermassive black hole, and (2) an adiabatic growth of a central black hole in a relaxed stellar system obtained from a cold gravitational collapse. Both models lead to a density profile, ργ , with a similar power-law index, γ; however, they show kinematical and morphological differences.

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