The Inhomogeneous Background of H2 Dissociating Radiation During Cosmic Reionization.

Ahn, Kyungjin, Shapiro, Paul R, Iliev, Ilian T., Mellema, Garrelt and Pen, Ue-Li (2008) The Inhomogeneous Background of H2 Dissociating Radiation During Cosmic Reionization. In: FIRST STARS III: First Stars II Conference, 15–20 July 2007, Santa Fe, Mew Mexico, USA.

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Abstract

The first, self-consistent calculations of the cosmological H2 dissociating UV background produced during the epoch of reionization by the sources of reionization are presented. Large-scale radiative transfer simulations of reionization trace the impact of all the ionizing starlight on the IGM from all sources in our simulation volume down to dwarf galaxies of mass ~108 M[sun], identified by very high-resolution N-body simulations, including the self-regulating effect of IGM photoheating on dwarf galaxy formation. The UV continuum emitted below 13.6 eV by each source is then transferred through the same IGM, attenuated by atomic H Lyman series resonance lines, to predict the evolution of the inhomogeneous background in the Lyman-Werner band of H2 between 11 and 13.6 eV.

Item Type: Conference or Workshop Item (Paper)
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Ilian Iliev
Date Deposited: 06 Feb 2012 19:17
Last Modified: 21 Mar 2012 15:03
URI: http://sro.sussex.ac.uk/id/eprint/19918
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