The Origins of a Rich Absorption Line Complex in a Quasar at Redshift 3.45

We discuss the nature and origin of a rich complex of narrow absorption lines in the quasar J102325.31+514251.0 at redshift 3.447. We measure nine C IV(\lambda1548,1551) absorption line systems with velocities from -1400 to -6200 km/s, and full widths at half minimum ranging from 16 to 350 km/s. We...

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Bibliographic Details
Published in:arXiv.org 2010-07
Main Authors: Simon, Leah E, Hamann, Fred
Format: Article
Language:English
Subjects:
Absorption
Galaxies
Ionization
Metallicity
Outflow
Quasars
Red shift
Space telescopes
Star & galaxy formation
Star formation
Stellar evolution
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Summary:We discuss the nature and origin of a rich complex of narrow absorption lines in the quasar J102325.31+514251.0 at redshift 3.447. We measure nine C IV(\lambda1548,1551) absorption line systems with velocities from -1400 to -6200 km/s, and full widths at half minimum ranging from 16 to 350 km/s. We also detect other absorption lines in these systems, including H I, C III, N V, O VI, and Si IV. Lower ionisation lines are not present, indicating a generally high degree of ionisation in all nine systems. The total hydrogen column densities range from = 1-8 Z_{sun}. The lowest velocity system, which has an ambiguous location, also has the lowest metallicity, Z
ISSN:2331-8422
DOI:10.48550/arxiv.1007.2017