How Cuspy Density Profiles Form in Elliptical Galaxies?

Details How Cuspy Density Profiles Form in Elliptical Galaxies? How Cuspy Density Profiles Form in Elliptical Galaxies?

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004dda....35.0404c&link_type=abstract

American Astronomical Society, DDA meeting #35, #04.04; Bulletin of the American Astronomical Society, Vol. 36, p.853

Astronomy and Astrophysics

Astronomy

Scientific paper

We have carried out a set of N-body simulations to explore the scenarios where the galactic cuspy density profiles form in ellipitical galaxies. The first scenario is through collapses starting from cold initial conditions around a preexisting supermassive central black hole (SBH). In the second one, the SBH growth adiabaticaly in a preexisting galaxie. Both scenarios leads a inner power-law profile, ρ -γ , with 0.2 ≲ γ ≲ 2 depending upon the initial or the final mass of the central black hole.

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