def cBurkPot(self, R, Rs, rho0, r_core):

        """
        :param R: projected distance
        :param Rs: scale radius
        :param rho0: central core density
        :param r_core: core radius
        """
        x = R * Rs ** -1
        p = Rs * r_core ** -1
        hx = self._H(x, p)

        return 2 * rho0 * Rs ** 3 * hx
def cBurkPot ( self , R , Rs , rho0 , r_core ) : x = R * Rs ** - 1 p = Rs * r_core ** - 1 hx = self . _H ( x , p ) return 2 * rho0 * Rs ** 3 * hx
:param R: projected distance
        :param Rs: scale radius
        :param rho0: central core density
        :param r_core: core radius