Equation Icon  ¯ [ 2 ] [ ( b) a 1- 2 a 1-2 a b 3] Φ0 = 1 + O(r ) Φ0 + r 1 − abΩ a + 2 ra˙ + 2r R 0b0Ω + O (r ) Φa 1 1 = − -q˙aaΩa + --(1 − 6ξ)qR + ¯Φt0ail+ O(r) 2 12