Fig. 6.

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Lyα surface-brightness profiles at 3 < z < 4. We split the LAE sample into two subsamples based on LLyα. The profiles before masking the neighbouring LAEs are shown by small symbols. The profiles after masking are shown by large, light-coloured symbols. For comparison, we also plot the result of Wisotzki et al. (2018). The symbols are slightly shifted horizontally for better visualisation.
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