Equation Icon  -- κ = π = 𝜖 = 0, τ = α + β, (42) ρ = ρ = − r−1 − σ0σ0r−3 + O (r−5), 0 −2 ( 0 2-0 0 ) −4 −5 σ = σ r + (σ ) σ − ψ0∕2 r + O (r ), α = α0r−1 + O (r−2), β = β0r−1 + O (r−2), 0 0 2 −1 −3 0 −1 − 2 γ = γ − ψ2(2r ) + O (r ), λ = λ r + O(r ), μ = μ0r−1 + O (r−2), ν = ν0 + O (r−1),