Cosmic Reionization on Computers: Properties of the Post-reionization IGM

Gnedin, Nickolay Y.; Becker, George D.; Fan, Xiaohui

doi:10.3847/1538-4357/aa6c24

Cosmic Reionization on Computers: Properties of the Post-reionization IGM

Journal Article · Fri May 19 00:00:00 EDT 2017 · The Astrophysical Journal (Online)

DOI:https://doi.org/10.3847/1538-4357/aa6c24· OSTI ID:1275503

Gnedin, Nickolay Y. ^[1]; Becker, George D. ^[2]; Fan, Xiaohui ^[3]

Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP); Univ. of Chicago, IL (United States). Dept. of Astronomy & Astrophysics
Space Telescope Science Institute, Baltimore, MD (United States)
Univ. of Arizona, Tucson, AZ (United States). Steward Observatory

Here, 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.

View Accepted Manuscript (DOE)

Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1275503

Alternate ID(s):: OSTI ID: 22872702

Report Number(s):: FERMILAB-PUB--16-285-A; arXiv:1605.03183; 1457559

Journal Information:: The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 1 Vol. 841; ISSN 1538-4357

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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A deep search for metals near redshift 7: The line of sight towards ULAS J1120+0641 Bosman, Sarah; Becker, Gd; Haehnelt, Martin Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.10160	text	January 2017
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