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Damped Systems Associated with a Galaxy Cluster at Z=2.38

Francis, Paul; Williger, Gerry M.; Woodgate, Bruce E.


We have found a unique cluster of three damped Lyman-alpha systems at redshift 2.38 seen in absorption against three background QSOs. One of the damped systems lies in the centre of a rich galaxy cluster - indeed it lies less than 150 kpc from a pair of giant elliptical galaxies. Despite this dense environment the gas is cold and has a metallicity of only -2.7 dex. Another damped system lies roughly 10 co-moving Mpc away in the middle of a void. Despite this low density location it has a much...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Conference paper


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