Fig. 7
Observed separation between the red and blue Lyα peaks as a functionof the residual flux in the central Lyα trough Ftrough divided by the mean flux in the red and blue Lyα peaks 
. An analogous plot was presented for model spectra in Gronke & Dijkstra (2016). No correlation was seen for clumpy models, while a trend was present for homogeneous shell models (see Sect. 5.4).
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