Proc. IAU volume 12, issue S333, P3-11 2017 DOI: 10.1017/s1743921317011139 View full text
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Andrei Mesinger

Abstract: We highlight recent progress in the sophistication and diversification of cosmic dawn and reionization simulations. The application of these modeling tools to current observations has allowed us narrow down the timing of reionization, which we now know to within ∆z ∼ 1 for the bulk of reionization. The strongest constraints come from the optical depth to the CMB measured with the Planck satellite and the first detection of ongoing reionization from the spectra of the z = 7.1 QSOs ULASJ1120+0641. However, we s…

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