Virial mass of a dark-matter halo
= Virial mass of a dark-matter halo
{title2=$M_v$}
If the virial radius is defined relative to critical density $\rho_c$, the virial mass is
$$
M_v=\frac{4\pi}{3}v\rho_cr_v^3.
$$
= Virial mass of a dark-matter halo
{title2=$M_v$}
If the virial radius is defined relative to critical density $\rho_c$, the virial mass is
$$
M_v=\frac{4\pi}{3}v\rho_cr_v^3.
$$