def METHOD_NAME(self, r, sigma0, r_core):
    """Mass enclosed a 3d sphere or radius r given a lens parameterization with
    angular units For this profile those are identical.
    :param r: radius (angular scale)
    :param sigma0: convergence in the core
    :param r_core: core radius
    :return: mass enclosed 3d radius
    """
    return self.mass_3d(r, sigma0, r_core)