Fig. 7
Top panel: Lyα absorption feature at the GRB 120327A redshift. The solid, blue line represents the best-fit model to the absorption profile; the dotted, blue lines enclose the 1σ uncertainty. Bottom panel: Lyβ, Lyγ and Lyδ features (from top to bottom) and the corresponding fit result (solid, red lines). Dashed blue lines displays the error spectrum.
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