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The Redshift Evolution of QSO Heavy-Element Absorption Systems

Charles C. Steidel
Publications of the Astronomical Society of the Pacific
Vol. 104, No. 679 (1992 September), pp. 843-847
Stable URL: http://www.jstor.org/stable/40679938
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Redshift Evolution of QSO Heavy-Element Absorption Systems
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Abstract

Recent results on the evolution of various classes of QSO heavy-element absorption-line systems are summarized. A general scenario for interpreting the observed evolution is suggested, with emphasis on the implications for the evolution of gas in galaxies from z=4 to the present.

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