Authors
CL Reichardt, B Stalder, LE Bleem, TE Montroy, KA Aird, K Andersson, R Armstrong, MLN Ashby, M Bautz, Matthew Bayliss, G Bazin, BA Benson, M Brodwin, JE Carlstrom, CL Chang, HM Cho, A Clocchiatti, TM Crawford, AT Crites, T De Haan, S Desai, MA Dobbs, JP Dudley, RJ Foley, WR Forman, EM George, MD Gladders, AH Gonzalez, NW Halverson, NL Harrington, FW High, GP Holder, WL Holzapfel, S Hoover, JD Hrubes, C Jones, M Joy, R Keisler, L Knox, AT Lee, EM Leitch, J Liu, M Lueker, D Luong-Van, A Mantz, DP Marrone, M McDonald, JJ McMahon, J Mehl, SS Meyer, L Mocanu, JJ Mohr, SS Murray, T Natoli, S Padin, T Plagge, C Pryke, A Rest, J Ruel, JE Ruhl, BR Saliwanchik, A Saro, JT Sayre, KK Schaffer, L Shaw, E Shirokoff, J Song, HG Spieler, Z Staniszewski, AA Stark, K Story, Christopher William Stubbs, R Šuhada, A Van Engelen, K Vanderlinde, JD Vieira, A Vikhlinin, R Williamson, O Zahn, A Zenteno
Publication date
2013/1/16
Journal
The Astrophysical Journal
Volume
763
Issue
2
Pages
127
Publisher
IOP Publishing
Description
We present a catalog of galaxy cluster candidates, selected through their Sunyaev–Zel'dovich (SZ) effect signature in the first 720 deg 2 of the South Pole Telescope (SPT) survey. This area was mapped with the SPT in the 2008 and 2009 austral winters to a depth of∼ 18 μK CMB-arcmin at 150 GHz; 550 deg 2 of it was also mapped to∼ 44 μK CMB-arcmin at 95 GHz. Based on optical imaging of all 224 candidates and near-infrared imaging of the majority of candidates, we have found optical and/or infrared counterparts for 158, which we then classify as confirmed galaxy clusters. Of these 158 clusters, 135 were first identified as clusters in SPT data, including 117 new discoveries reported in this work. This catalog triples the number of confirmed galaxy clusters discovered through the SZ effect. We report photometrically derived (and in some cases spectroscopic) redshifts for confirmed clusters and redshift lower …
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CL Reichardt, B Stalder, LE Bleem, TE Montroy… - The Astrophysical Journal, 2013