Ionization states of metallic absorption-line systems in continua of quasars

Details Ionization states of metallic absorption-line systems in continua of quasars Ionization states of metallic absorption-line systems in continua of quasars

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993egte.conf..137d&link_type=abstract

In NASA. Ames Research Center, The Evolution of Galaxies and Their Environment p 137-138 (SEE N93-26706 10-90)

Physics

1

Absorption Spectra, Background Radiation, Density Distribution, Ionizing Radiation, Metallicity, Photoionization, Quasars, Cosmic Gases, Halos, Line Spectra, Ultraviolet Radiation

Scientific paper

Ionization states of metallic absorption-line systems in continua of quasars (QSO's) are studied, assuming that the metallic lines arise in gaseous halos of high-redshift galaxies in photoionization equilibrium under the background UV radiation, and constraints on the intensity and spectral shape of the UV radiation are obtained. Then a structure of absorbers suitable for all of the metallic absorption line systems are discussed.

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