作者
N Huang, LE Bleem, B Stalder, PAR Ade, SW Allen, AJ Anderson, JE Austermann, JS Avva, JA Beall, AN Bender, BA Benson, F Bianchini, S Bocquet, M Brodwin, JE Carlstrom, CL Chang, HC Chiang, R Citron, C Corbett Moran, TM Crawford, AT Crites, T De Haan, MA Dobbs, W Everett, B Floyd, J Gallicchio, EM George, A Gilbert, MD Gladders, S Guns, N Gupta, NW Halverson, N Harrington, JW Henning, GC Hilton, GP Holder, WL Holzapfel, JD Hrubes, J Hubmayr, KD Irwin, G Khullar, L Knox, AT Lee, D Li, A Lowitz, M McDonald, JJ McMahon, SS Meyer, LM Mocanu, J Montgomery, A Nadolski, T Natoli, JP Nibarger, G Noble, V Novosad, S Padin, S Patil, C Pryke, CL Reichardt, JE Ruhl, BR Saliwanchik, A Saro, JT Sayre, KK Schaffer, K Sharon, C Sievers, G Smecher, AA Stark, KT Story, C Tucker, K Vanderlinde, T Veach, JD Vieira, G Wang, N Whitehorn, WLK Wu, V Yefremenko
发表日期
2020/2/17
期刊
The Astronomical Journal
卷号
159
期号
3
页码范围
110
出版商
IOP Publishing
简介
We present a catalog of galaxy cluster candidates detected in 100 square degrees surveyed with the SPTpol receiver on the South Pole Telescope. The catalog contains 89 candidates detected with a signal-to-noise ratio greater than 4.6. The candidates are selected using the Sunyaev–Zel'dovich effect at 95 and 150 GHz. Using both space-and ground-based optical and infrared telescopes, we have confirmed 81 candidates as galaxy clusters. We use these follow-up images and archival images to estimate photometric redshifts for 66 galaxy clusters and spectroscopic observations to obtain redshifts for 13 systems. An additional two galaxy clusters are confirmed using the overdensity of near-infrared galaxies only and are presented without redshifts. We find that 15 candidates (18% of the total sample) are at redshift z≥ 1.0, with a maximum confirmed redshift of
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N Huang, LE Bleem, B Stalder, PAR Ade, SW Allen… - The Astronomical Journal, 2020