Cosmic Reionization On Computers. Properties of the Post-reionization IGM

10 Apr 2017  ·  Gnedin Nickolay Y., Becker George D., Fan Xiaohui ·

We present a comparison between several observational tests of the post-reionization IGM and the numerical simulations of reionization completed under the Cosmic Reionization On Computers (CROC) project. The CROC simulations match the gap distribution reasonably well, and also provide a good match for the distribution of peak heights, but there is a notable lack of wide peaks in the simulated spectra and the flux PDFs are poorly matched in the narrow redshift interval 5.5<z<5.7, with the match at other redshifts being significantly better, albeit not exact... Both discrepancies are related: simulations show more opacity than the data. read more

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Cosmology and Nongalactic Astrophysics