def METHOD_NAME(self, x, y, logM, concentration, center_x=0, center_y=0):
    """
    :param x: angular position
    :param y: angular position
    :param Rs: angular turn over point
    :param alpha_Rs: deflection at Rs
    :param center_x: center of halo
    :param center_y: center of halo
    :return:
    """
    Rs, alpha_Rs = self._m_c2deflections(logM, concentration)
    return self._nfw.METHOD_NAME(
        x, y, alpha_Rs=alpha_Rs, Rs=Rs, center_x=center_x, center_y=center_y
    )