The Universal NFW Dark Matter Halo of Simulated Dwarf Galaxies

Analyzing the results of recent N-body simulations, we find that there is an approximately universal, initial, NFW dark matter halo for dwarf galaxies, with concentration parameters ranging from 8 \textless c \textless 15 and a corresponding virial mass of 2.5 \underline {}$+$ 0.5 x 10$^{\mathrm{9}}$ M$_{\mathrm{\Theta }}$. Using additional relationships between the core and virial masses of simulated dark matter halos, we determine the scale radius and central density values of the universal density profile: r$_{\mathrm{s}} \quad =$ 2.25 \underline {}$+$ 0.35 kpc and $\rho _{\mathrm{s}} \quad =$ 1.4 \underline {}$+$ 0.35 x 10$^{\mathrm{-2}}$ M$_{\mathrm{\Theta }}$ pc$^{\mathrm{-3}}$.