Wide-Field Lensing Mass Maps from Dark Energy Survey Science Verification Data.
We present a mass map reconstructed from weak gravitational lensing shear measurements over 139  deg2 from the Dark Energy Survey science verification data. The mass map probes both luminous and dark matter, thus providing a tool for studying cosmology. We find good agreement between the mass map and the distribution of massive galaxy clusters identified using a red-sequence cluster finder. Potential candidates for superclusters and voids are identified using these maps. We measure the cross-correlation between the mass map and a magnitude-limited foreground galaxy sample and find a detection at the 6.8σ level with 20 arc min smoothing. These measurements are consistent with simulated galaxy catalogs based on N-body simulations from a cold dark matter model with a cosmological constant. This suggests low systematics uncertainties in the map. We summarize our key findings in this Letter; the detailed methodology and tests for systematics are presented in a companion paper.
Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland.
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Chang
Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, USA.|Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Vikram
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Jain
Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom.
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Bacon
Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland.
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Amara
Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA.|Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.
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Becker
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Bernstein
Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain.
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Bonnett
Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
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Bridle
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Brout
Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA.|Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.
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Busha
Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.|Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Frieman
Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain.
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Gaztanaga
Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland.
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Hartley
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Jarvis
Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland.
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Kacprzak
Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain.
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Kovács
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Lahav
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Lin
Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA.|Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA.
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Melchior
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Peiris
Department of Physics, University of Arizona, 1118 East Fourth Street, Tucson, Arizona 85721, USA.
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Rozo
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.|SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
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Rykoff
Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain.
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Sánchez
Brookhaven National Laboratory, Building 510, Upton, New York 11973, USA.
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Sheldon
Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
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Troxel
Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA.|Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.|SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
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Wechsler
Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
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Zuntz
Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile.
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Abbott
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Abdalla
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Allam
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Annis
Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain.
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Bauer
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Benoit-Lévy
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Brooks
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Buckley-Geer
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.|SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
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Burke
Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom.
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Capozzi
Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.|Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.
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Carnero Rosell
Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA.|National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA.
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Carrasco Kind
Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain.
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Castander
Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain.
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Crocce
Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom.
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D'Andrea
Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany.
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Desai
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Diehl
Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany.|Excellence Cluster Universe, Boltzmannstrasse 2, 85748 Garching, Germany.
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Dietrich
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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Doel
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.|Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA.
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Eifler
Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA.
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Evrard
Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.
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Fausti Neto
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Flaugher
Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain.
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Fosalba
Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, 85748 Garching, Germany.|University Observatory Munich, Scheinerstrasse 1, 81679 Munich, Germany.
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Gruen
Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA.|National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA.
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Gruendl
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Gutierrez
Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA.|National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA.
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Honscheid
Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile.
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Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Kent
Australian Astronomical Observatory, North Ryde, New South Wales 2113, Australia.
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Kuehn
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Kuropatkin
Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.|Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.
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Maia
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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March
Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA.|Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA.
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Martini
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Merritt
Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA.|Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA.
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Miller
Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain.|Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain.
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Miquel
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Neilsen
Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom.
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Nichol
Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.|Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.
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Brookhaven National Laboratory, Building 510, Upton, New York 11973, USA.|Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA.
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Plazas
Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, United Kingdom.
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Romer
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA.|SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
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Roodman
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Sako
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain.
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Sanchez
Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA.|Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain.
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Sevilla
Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile.
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Smith
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Soares-Santos
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.|Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil.
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Sobreira
Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA.|Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA.
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Suchyta
Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany.
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Tarle
Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA.
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Thaler
Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom.|SEPnet, South East Physics Network, Southampton SO17 1BJ, United Kingdom.
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Thomas
Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA.
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Tucker
Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile.
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Walker