A new parameterization of the reionisation history
Résumé
© ESO 2015.Motivated by the current constraints on the epoch of reionisation from recent cosmic microwave background observations, ionising background measurements of star-forming galaxies, and low redshifts line-of-sight probes, we propose a new data-motivated parameterisation of the history of the average ionisation fraction. This parameterisation describes a flexible redshift-asymmetric reionisation process in two regimes that is capable of fitting all the current constraints.
Mots clés
cosmic background radiation
cosmic microwave backgrounds
large-scale structure of universe
line of sight
red shift
large scale structure of universe
star forming galaxy
measurements of
quasars
dark ages
reionization
first stars
density
ionization
constraints
star-forming galaxies
universe
probe wmap observations
cosmic reionization
microwave background anisotropies
deep field campaign
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