The Lyman Alpha Forest in Hierarchical Cosmologies

A. Meiksin(Edinburgh); G. Bryan(MIT); M. L. Norman(Illinois; M. Machacek(Northeastern); NCSA); P. Anninos(NCSA); Y. Zhang(NCSA)

arxiv: astro-ph/9903073 · v1 · submitted 1999-03-03 · 🌌 astro-ph

The Lyman Alpha Forest in Hierarchical Cosmologies

M. Machacek(Northeastern) , G. Bryan(MIT) , P. Anninos(NCSA) , A. Meiksin(Edinburgh) , M. L. Norman(Illinois , NCSA) , Y. Zhang(NCSA) This is my paper

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keywords modelscosmologicalhierarchicalspectraabsorptionalphacolumncomparison

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The comparison of quasar absorption spectra with numerically simulated spectra from hierarchical cosmological models of structure formation promises to be a valuable tool to discriminate among these models. We present simulation results for the column density, Doppler b parameter, and optical depth probability distributions for five popular cosmological models.

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The Lyman Alpha Forest in Hierarchical Cosmologies

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