Fig. 4.
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Cosmology corrected, circularly averaged Lyα surface brightness profiles of different quasar samples. The obtained average Lyα SB profile for z ∼ 3 quasar pairs is compared with (i) samples of individual z ∼ 3 (bright quasars, Arrigoni Battaia et al. 2019a; Fossati et al. 2021; faint quasars, Mackenzie et al. 2021; González Lobos et al., in prep.) and (ii) with z ∼ 2 quasar pairs (Li et al. 2023).
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