Minihalo Model for the Low-Redshift Lyman alpha Absorbers Revisited

Details Minihalo Model for the Low-Redshift Lyman alpha Absorbers Revisited Minihalo Model for the Low-Redshift Lyman alpha Absorbers Revisited

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008seraj.176...37l&link_type=abstract

Serbian Astronomical Journal, vol. 176, p. 37-44

Mathematics

Logic

Quasars: Absorption Lines, Galaxies: Halos, Dark Matter

Scientific paper

We reconsider the basic properties of the classical minihalo model of Rees and Milgrom in light of the new work, both observational (on "dark galaxies" and masses of baryonic haloes) and theoretical (on the cosmological mass function and the history of star formation). In particular, we show that more detailed models of ionized gas in haloes of dark matter following isothermal and Navarro-Frenk-White density profile can effectively reproduce particular aspects of the observed column density distribution function in a heterogeneous sample of low- and intermediate-redshift Lyα forest absorption lines.

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