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Simulating the ionisation and metal enrichment history of the intergalactic medium

Published online by Cambridge University Press:  17 May 2006

Tom Theuns
Tom Theuns
Affiliation:
Institute for Computational Cosmology, Department of Physics, Durham University, UK and Department of Physics, University of Antwerp, Belgium
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Abstract

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Simulations of galaxy formation require strong feedback to produce realistic galaxies. Observations of starburst galaxies both at low and high redshift often show signatures of strong galaxy-wide winds. Are such winds common, and are they the mechanism which pollutes the intergalactic medium with metals? Which are the sources of ionising photons at higher redshift? Detailed observations of galaxies and their surroundings and comparison with cosmological simulations to eliminate biases and test models are required to address these questions.

Keywords

galaxies: formationintergalactic medium; quasars: absorption lines
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S232: Scientific Requirements for Extremely Large Telescopes , November 2005 , pp. 308 - 312
Copyright
2006 International Astronomical Union