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The 2dF-SDSS LRG and QSO (2SLAQ) luminous red galaxy survey

Cannon, Russell; Drinkwater, Michael; Edge, Alastair; Eisenstein, Daniel; Nichol, Robert; Outram, Phillip; Pimbblet, Kevin; De Propris, Roberto; Roseboom, Isaac; Wake, David; Allen, Paul; Bland-Hawthorn, Joss; Bridges, Terry; Carson, Daniel; Chiu, Kuenley; Colless, Matthew; Couch, Warrick; Croom, Scott; Driver, Simon; Fine, Stephen; Hewett, Paul; Loveday, Jon; Ross, Nicholas; Sadler, Elaine M.; Shanks, Tom; Sharp, Robert; Smith, J. Allyn; Stoughton, Chris; Weilbacher, Peter; Brunner, Robert J.; Meiksin, Avery and Schneider, Donald P. (2006). The 2dF-SDSS LRG and QSO (2SLAQ) luminous red galaxy survey. Monthly Notices of the Royal Astronomical Society, 372(1) pp. 425–442.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1111/j.1365-2966.2006.10875.x
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Abstract

We present a spectroscopic survey of almost 15 000 candidate intermediate-redshift luminous red galaxies (LRGs) brighter than i = 19.8, observed with 2dF on the Anglo-Australian Telescope. The targets were selected photometrically from the Sloan Digital Sky Survey (SDSS) and lie along two narrow equatorial strips covering 180 deg2. Reliable redshifts were obtained for 92 per cent of the targets and the selection is very efficient: over 90 per cent have 0.45 < z < 0.8. More than 80 per cent of the ~11 000 red galaxies have pure absorption-line spectra consistent with a passively evolving old stellar population. The redshift, photometric and spatial distributions of the LRGs are described. The 2SLAQ data will be released publicly from mid-2006, providing a powerful resource for observational cosmology and the study of galaxy evolution.

Item Type: Journal Item
Copyright Holders: 2006 The Authors
ISSN: 1365-2966
Keywords: galaxies; high redshift; cosmology
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 38710
Depositing User: Miranda Callaway
Date Deposited: 21 Oct 2013 08:15
Last Modified: 10 Dec 2018 11:16
URI: http://oro.open.ac.uk/id/eprint/38710
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