Boyer-Lindquist coordinates
= Boyer-Lindquist coordinates
{c}
{wiki}
Boyer-Lindquist coordinates adapt the Kerr metric to its stationary and axial symmetries. The horizon radii are the roots $r_\pm=M\pm\sqrt{M^2-a^2}$ of $\Delta=r^2-2Mr+a^2$.
= Boyer-Lindquist coordinates
{c}
{wiki}
Boyer-Lindquist coordinates adapt the Kerr metric to its stationary and axial symmetries. The horizon radii are the roots $r_\pm=M\pm\sqrt{M^2-a^2}$ of $\Delta=r^2-2Mr+a^2$.