摘要: The density profiles and shapes of dark halos are studied using the results N-body simulations gravitational collapse peaks. use from 3×10 4 to 5 particles, which allow be well resolved. core radius a typical halo is found no greater than softening radius, e=1.4 kpc. can fitted with an analytical model effective power law varies between −1 in center −4 at large radii. have circular velocity curves behave like contribution component spiral galaxies inferred rotation curve decompositions.
harvard.edu
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