Spectroscopic Confirmation of Five Galaxy Clusters at z > 1.25 in the 2500 deg(2) SPT-SZ Survey
G Khullar, LE Bleem, MB Bayliss, MD Gladders, BA Benson, M McDonald, SW Allen, DE Applegate, MLN Ashby, S Bocquet, M Brodwin, E Bulbul, REA Canning, R Capasso, I Chiu, TM Crawford, T de Haan, JP Dietrich, AH Gonzalez, J Hlavacek-Larrondo Show all
ASTROPHYSICAL JOURNAL | IOP PUBLISHING LTD | Published : 2019
We present spectroscopic confirmation of five galaxy clusters at 1.25 < z 1.25 from three to eight, further demonstrating the efficacy of SZ selection for the highest redshift massive clusters and enabling detailed study of these systems.
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Awarded by NSF Physics Frontier Center
Awarded by Gordon and Betty Moore Foundation
Awarded by National Science Foundation
Awarded by Fermi Research Alliance, LLC
Awarded by U.S. Department of Energy
Awarded by ERC-StG "ClustersXCosmo"
Awarded by NASA
Awarded by Australian Research Council's Discovery Projects scheme
Awarded by SPT follow-up GO program
This work is supported by the Department of Astronomy and Astrophysics at the University of Chicago, NSF Physics Frontier Center grant PHY-1125897 to the Kavli Institute of Cosmological Physics at the University of Chicago, as well as by the Kavli Foundation, and the Gordon and Betty Moore Foundation grant GBMF 947. The South Pole Telescope is supported by the National Science Foundation through grant PLR-1248097.B.B. is supported by Fermi Research Alliance, LLC, under contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics. Argonne National Laboratory work was supported under U.S. Department of Energy contract DE-AC02-06CH11357. M.B. was supported by National Science Foundation through grant AST-1009012. A. S. is supported by the ERC-StG "ClustersXCosmo," grant agreement 71676. The data analyzed in this paper was taken on the 6.5m Magellan Telescopes at the Las Campanas Observatory, Chile, supported by the Carnegie Observatories. This work is partly based on observations made with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555, associated with SPT follow-up GO program 14252. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. C.R. acknowledges support from the Australian Research Council's Discovery Projects scheme (DP150103208).