Published in 1987, "QSO Absorption Lines: Probing the
Universe", eds. J.C. Blades, D.A. Turnshek and C.A. Norman
IN SEARCH OF A UNIFIED DESCRIPTION OF THE NARROW ABSORPTION LINE
SYSTEMS
David Tytler
Department of
Astronomy,
Columbia University
Abstract. The properties of the
Ly-
and the narrow metal line
systems in QSO
spectra are compared. While they clearly differ in their clustering
behavior, they
might nevertheless be similar in many ways, including their origins,
metal abundances
and rate of evolution. Much information can be gained from comparative
studies.
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