Computer Science
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat..73280805o&link_type=abstract
VizieR On-line Data Catalog: J/MNRAS/328/805. Originally published in: 2001MNRAS.328..805O
Computer Science
Qsos, Surveys, Spectroscopy
Scientific paper
We examine the highest signal-to-noise ratio spectra from the 2dF QSO Redshift Survey (2QZ) 10k release (Cat. ) and identify over 100 new low-ionization heavy-element absorbers: damped Lyman-{alpha} (DLA) candidates suitable for higher-resolution follow-up observations. These absorption systems map the spatial distribution of high-z metals in exactly the same volumes as the foreground 2QZ QSOs themselves sample and hence the 2QZ gives us the unique opportunity to compare directly the two tracers of large-scale structure. We examine the cross-correlation of the two populations to see how they are relatively clustered, and, by considering the colour of the QSOs, detect a small amount of dust in these metal systems.
(1 data file).
Boyle Brian J.
Croom Scott M.
Loaring Nicola S.
Miller Lance L.
Outram P. J.
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