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Numerical simulations of the intergalactic medium

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arxiv astro-ph/0209094 v1 pith:SFFQKCMD submitted 2002-09-05 astro-ph

Numerical simulations of the intergalactic medium

classification astro-ph
keywords intergalacticmediumsimulatedsimulationsspectraabsorptionallowsarise
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The intergalactic medium at redshifts 2--6 can be studied observationally through the absorption features it produces in the spectra of background quasars. Most of the UV-absorption lines arise in mildly overdense regions, which can be simulated reliably with current hydrodynamical simulations. Comparison of observed and simulated spectra allows one to put contraints on the model's parameters.

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