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Fig. 7
He i Lyman limit at z = 1.8916 and the identified He i Lyman series lines. The H i Lyman limit at z = 0.7129 and the O iiiλ507.388 Å line at z = 1.8916 are also indicated. The latter is blended with He i Ly-θ (λ507.718 Å) and Ly-ι (λ507.058 Å) lines.
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