Fig. 13.

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Radius of spherical bubbles hypothetically ionized by COLA1 as a function of the age parameter t*, for different values of the LyC escape fraction. The dashed lines account for the contribution from the 4 galaxies at z ≈ 6.6 with measured sizes, in addition to COLA1. The shaded area limits the required bubble size necessary to explain COLA1’s Lyα profile, as predicted by Mason & Gronke (2020).
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