Fig. 17
Reionization history for the redshift-symmetric parameterization compared with other observational constraints coming from quasars, Ly-α emitters, and the Ly-α forest (compiled by Bouwens et al. 2015). The red points are measurements of ionized fraction, while black arrows mark upper and lower limits. The dark and light blue shaded areas show the 68% and 95% allowed intervals, respectively.
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