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    Cosmology from large-scale galaxy clustering and galaxy–galaxy lensing with Dark Energy Survey Science Verification data

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    Author
    Kwan, J.
    Sánchez, C.
    Clampitt, J.
    Blazek, J.
    Crocce, M.
    Jain, B.
    Zuntz, J.
    Amara, A.
    Becker, M. R.
    Bernstein, G. M.
    Bonnett, C.
    DeRose, J.
    Dodelson, S.
    Eifler, T. F.
    Gaztanaga, E.
    Giannantonio, T.
    Gruen, D.
    Hartley, W. G.
    Kacprzak, T.
    Kirk, D.
    Krause, E.
    MacCrann, N.
    Miquel, R.
    Park, Y.
    Ross, A. J.
    Rozo, E.
    Rykoff, E. S.
    Sheldon, E.
    Troxel, M. A.
    Wechsler, R. H.
    Abbott, T. M. C.
    Abdalla, F. B.
    Allam, S.
    Benoit-Lévy, A.
    Brooks, D.
    Burke, D. L.
    Rosell, A. Carnero
    Carrasco Kind, M.
    Cunha, C. E.
    D'Andrea, C. B.
    da Costa, L. N.
    Desai, S.
    Diehl, H. T.
    Dietrich, J. P.
    Doel, P.
    Evrard, A. E.
    Fernandez, E.
    Finley, D. A.
    Flaugher, B.
    Fosalba, P.
    Frieman, J.
    Gerdes, D. W. cc
    Gruendl, R. A.
    Gutierrez, G.
    Honscheid, K.
    James, D. J.
    Jarvis, M.
    Kuehn, K.
    Lahav, O.
    Lima, M.
    Maia, M. A. G.
    Marshall, J. L. cc
    Martini, P.
    Melchior, P.
    Mohr, J. J.
    Nichol, R. C.
    Nord, B. cc
    Plazas, A. A.
    Reil, K.
    Romer, A. K.
    Roodman, A.
    Sanchez, E.
    Scarpine, V.
    Sevilla-Noarbe, I.
    Smith, R. C.
    Soares-Santos, M.
    Sobreira, F.
    Suchyta, E.
    Swanson, M. E. C.
    Tarle, G. cc
    Thomas, D.
    Vikram, V.
    Walker, A. R.
    Show allShow less
    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2017-02-01
    Keywords
    gravitational lensing: weak
    cosmological parameters
    large-scale structure of Universe
    
    Metadata
    Show full item record
    Publisher
    OXFORD UNIV PRESS
    Citation
    Cosmology from large-scale galaxy clustering and galaxy–galaxy lensing with Dark Energy Survey Science Verification data 2017, 464 (4):4045 Monthly Notices of the Royal Astronomical Society
    Journal
    Monthly Notices of the Royal Astronomical Society
    Rights
    © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical 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 present cosmological constraints from the Dark Energy Survey (DES) using a combined analysis of angular clustering of red galaxies and their cross-correlation with weak gravitational lensing of background galaxies. We use a 139 deg(2) contiguous patch of DES data from the Science Verification (SV) period of observations. Using large-scale measurements, we constrain the matter density of the Universe as Omega(m) = 0.31 +/- 0.09 and the clustering amplitude of the matter power spectrum as sigma(8) = 0.74 +/- 0.13 after marginalizing over seven nuisance parameters and three additional cosmological parameters. This translates into S-8 = sigma(8)(Omega(m)/0.3)(0.16) = 0.74 +/- 0.12 for our fiducial lens redshift bin at 0.35 < z < 0.5, while S-8 = 0.78 +/- 0.09 using two bins over the range 0.2 < z < 0.5. We study the robustness of the results under changes in the data vectors, modelling and systematics treatment, including photometric redshift and shear calibration uncertainties, and find consistency in the derived cosmological parameters. We show that our results are consistent with previous cosmological analyses from DES and other data sets and conclude with a joint analysis of DES angular clustering and galaxy-galaxy lensing with Planck Cosmic Microwave Background data, baryon accoustic oscillations and Supernova Type Ia measurements.
    ISSN
    0035-8711
    1365-2966
    DOI
    10.1093/mnras/stw2464
    Version
    Final published version
    Sponsors
    US Department of Energy; US 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; Center for Particle Cosmology at the University of Pennsylvania; Warren Center at the University of Pennsylvania; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University; Financiadora de Estudos e Projetos; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico; Ministerio da Ciencia e Tecnologia; Deutsche Forschungsgemeinschaft; National Science Foundation [AST-1138766]; MINECO [AYA2012-39559, ESP2013-48274, FPA2013-47986]; Centro de Excelencia Severo Ochoa [SEV-2012-0234]; European Union; Argonne National Laboratory; University of California at Santa Cruz; University of Cambridge; University of Chicago; University College London; DES-Brazil Consortium; Eidgenossische Technische Hochschule (ETH) Zurich; Fermi National Accelerator Laboratory; University of Edinburgh; 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; associated Excellence Cluster Universe; University of Michigan; National Optical Astronomy Observatory; University of Nottingham; Ohio State University; University of Pennsylvania; University of Portsmouth; University of Sussex; Texas AM University; SLAC National Accelerator Laboratory; Stanford University; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid
    Additional Links
    https://academic.oup.com/mnras/article-lookup/doi/10.1093/mnras/stw2464
    ae974a485f413a2113503eed53cd6c53
    10.1093/mnras/stw2464
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