Column density distribution of the Lyman alpha forest - Evidence for the minihalo model

Details Column density distribution of the Lyman alpha forest - Evidence for the minihalo model Column density distribution of the Lyman alpha forest - Evidence for the minihalo model

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236p..21i&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 15, 1989, p. 21P-27P.

Astronomy and Astrophysics

Astronomy

22

Dark Matter, Density Distribution, Intergalactic Media, Interstellar Gas, Lyman Alpha Radiation, Absorption Spectra, Baryons, Gravitational Effects, Red Shift

Scientific paper

The column density distribution of the Lyman alpha forest is predicted for a minihalo model in which the baryon clouds responsible for the absorption lines are supposed to be in gravitational equilibrium under the potential of cold dark matter. It is determined primarily by the density profile across a typical cloud. The evolution of minihalos within various environments is discussed in relation to the redshift dependence of the Lyman alpha forest.

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