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The Inhomogeneous Background of H2 Dissociating Radiation During Cosmic Reionization
Stockholm University, Faculty of Science, Department of Astronomy. Stockholm University, Faculty of Science, Department of Astronomy.
2008 (English)In: FIRST STARS III: First Stars III Conference, 2008Conference paper, Published paper (Refereed)
Abstract [en]

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 Msolar, 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.

Place, publisher, year, edition, pages
2008.
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URN: urn:nbn:se:su:diva-15134DOI: doi:10.1063/1.2905584OAI: oai:DiVA.org:su-15134DiVA: diva2:181654
Available from: 2008-11-22 Created: 2008-11-22Bibliographically approved

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Mellema, Garrelt
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