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    Dark Energy Survey year 1 results: Galaxy clustering for combined probes

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    PhysRevD.98.042006.pdf
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    Final Published version
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    Author
    Elvin-Poole, J.
    Crocce, M.
    Ross, A. J.
    Giannantonio, T.
    Rozo, E.
    Rykoff, E. S.
    Avila, S.
    Banik, N.
    Blazek, J.
    Bridle, S. L.
    Cawthon, R.
    Drlica-Wagner, A.
    Friedrich, O.
    Kokron, N.
    Krause, E.
    MacCrann, N.
    Prat, J.
    Sánchez, C. cc
    Secco, L. F.
    Sevilla-Noarbe, I.
    Troxel, M. A.
    Abbott, T. M. C.
    Abdalla, F. B.
    Allam, S.
    Annis, J.
    Asorey, J.
    Bechtol, K.
    Becker, M. R.
    Benoit-Lévy, A.
    Bernstein, G. M.
    Bertin, E.
    Brooks, D.
    Buckley-Geer, E.
    Burke, D. L.
    Carnero Rosell, A.
    Carollo, D.
    Carrasco Kind, M.
    Carretero, J.
    Castander, F. J.
    Cunha, C. E.
    D’Andrea, C. B.
    da Costa, L. N.
    Davis, T. M.
    Davis, C.
    Desai, S.
    Diehl, H. T.
    Dietrich, J. P.
    Dodelson, S.
    Doel, P.
    Eifler, T. F.
    Evrard, A. E.
    Fernandez, E.
    Flaugher, B.
    Fosalba, P.
    Frieman, J.
    García-Bellido, J.
    Gaztanaga, E.
    Gerdes, D. W.
    Glazebrook, K. cc
    Gruen, D.
    Gruendl, R. A.
    Gschwend, J.
    Gutierrez, G.
    Hartley, W. G.
    Hinton, S. R.
    Honscheid, K.
    Hoormann, J. K.
    Jain, B.
    James, D. J.
    Jarvis, M.
    Jeltema, T.
    Johnson, M. W. G.
    Johnson, M. D.
    King, A.
    Kuehn, K.
    Kuhlmann, S.
    Kuropatkin, N.
    Lahav, O.
    Lewis, G.
    Li, T. S.
    Lidman, C.
    Lima, M.
    Lin, H.
    Macaulay, E.
    March, M.
    Marshall, J. L.
    Martini, P.
    Melchior, P.
    Menanteau, F.
    Miquel, R.
    Mohr, J. J.
    Möller, A.
    Nichol, R. C.
    Nord, B. cc
    O’Neill, C. R.
    Percival, W. J.
    Petravick, D.
    Plazas, A. A.
    Romer, A. K.
    Sako, M.
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    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2018-08-27
    
    Metadata
    Show full item record
    Publisher
    AMER PHYSICAL SOC
    Citation
    J. Elvin-Poole et al. (Dark Energy Survey Collaboration). Phys. Rev. D 98, 042006 (2018). DOI:https://doi.org/10.1103/PhysRevD.98.042006
    Journal
    PHYSICAL REVIEW D
    Rights
    © 2018 American Physical Society
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6 x 10(5) luminous red galaxies selected using the REDMAGIC algorithm over an area of 1321 square degrees, in the redshift range 0.15 < z < 0.9, split into five tomographic redshift bins. The sample has a mean redshift uncertainty of sigma(z)/(1 + z) = 0.017. We quantify and correct spurious correlations induced by spatially variable survey properties, testing their impact on the clustering measurements and covariance. We demonstrate the sample's robustness by testing for stellar contamination, for potential biases that could arise from the systematic correction, and for the consistency between the two-point auto-and cross-correlation functions. We show that the corrections we apply have a significant impact on the resultant measurement of cosmological parameters, but that the results are robust against arbitrary choices in the correction method. We find the linear galaxy bias in each redshift bin in a fiducial cosmology to be b(sigma(8)/0.81) vertical bar(z=0.24) =1.40 +/- 0.07, b(sigma(8)/0.81) vertical bar(z=0.38) = 1.60 +/- 0.05, (sigma(8)/0.81) vertical bar(z=0.53) = 1.60 +/- 0.04 for galaxies with luminosities L/L-* > 0.5, b(sigma(8)/0.8) vertical bar(z=0.68) = 1.93 +/- 0.04 for L/L-* > 1 and b(sigma(8)/0.81) vertical bar(z=0.83) = 1.98 +/- 0.07 for L/L-* > 1.5, broadly consistent with expectations for the redshift and luminosity dependence of the bias of red galaxies. We show these measurements to be consistent with the linear bias obtained from tangential shear measurements.
    ISSN
    2470-0010
    2470-0029
    DOI
    10.1103/PhysRevD.98.042006
    Version
    Final published version
    Sponsors
    U.S. Department of Energy; U.S. National Science Foundation; Ministry of Science and Education of Spain; Science and Technology Facilities Council of the United Kingdom; Higher Education Funding Council for England; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign; Kavli Institute of Cosmological Physics at the University of Chicago; Center for Cosmology and Astro-Particle Physics at the Ohio State University; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University; Financiadora de Estudos e Projetos; Fundacao Carlos Chagas Filhode Amparo a Pesquisa do Estado do Rio de Janeiro; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico; Ministerio da Ciencia, Tecnologia e Inovacao; Deutsche Forschungsgemeinschaft; Argonne National Laboratory; University of California at Santa Cruz; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid; University of Chicago; University College London; DES-Brazil Consortium; University of Edinburgh; Eidgenossische Technische Hochschule (ETH) Zurich; Fermi National Accelerator Laboratory; University of Illinois at Urbana-Champaign; Institut de Ciencies de l'Espai (IEEC/CSIC); Institut de Fisica d'Altes Energies; Lawrence Berkeley National Laboratory; Ludwig-Maximilians Universitat Munchen; Excellence Cluster Universe; University of Michigan; National Optical Astronomy Observatory; University of Nottingham; Ohio State University; University of Pennsylvania; University of Portsmouth; SLAC National Accelerator Laboratory, Stanford University; University of Sussex; Texas AM University; OzDES Membership Consortium; National Science Foundation [AST-1138766, AST-1536171]; MINECO [AYA2015-71825, ESP2015-88861, FPA2015-68048, SEV-2012-0234, SEV-2016-0597, MDM-2015-0509]; European Union; CERCA program of the Generalitat de Catalunya; European Research Council under the European Union's Seventh Framework Program (FP7) [240672, 291329, 306478]; Australian Research Council Centre of Excellence for All-sky Astrophysics (CAASTRO) [CE110001020]; U.S. Department of Energy, Office of Science, Office of High Energy Physics [DE-AC02-07CH11359]; Ramon y Cajal MICINN program; DOE Early Career Program; DOE [DE-SC0015975]; Sloan Foundation [FG-20166443]; University of Cambridge; [AYA2013-44327-P]; [AYA2015-71825-P]
    Additional Links
    https://link.aps.org/doi/10.1103/PhysRevD.98.042006
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevD.98.042006
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