Export citation

Export citation

Choose format for download:

Download Citation
  • Editors' Suggestion

Dark Energy Survey Year 3: Blue shear

J. McCullough1,2,3,*, A. Amon1, E. Legnani4, D. Gruen5,6, A. Roodman3, O. Friedrich5, N. MacCrann7, M. Becker8, J. Myles1 et al. (DES Collaboration)

J. Myles1, S. Dodelson9,10, S. Samuroff11, J. Blazek11, J. Prat12,13, A. Pieres14,15, A. Ferté3, A. Alarcon8,16, A. Drlica-Wagner12,17,18, A. Choi19, A. Navarro-Alsina20, A. Campos21,10, A. A. Plazas Malagón22,3, A. Porredon23,24, A. J. Ross25, A. Carnero Rosell26,14, B. Yin21, B. Flaugher17, B. Yanny17, C. Sánchez27, C. Chang12,18, C. Davis22, C. To25, C. Doux27,28, D. Brooks29, D. J. James30, D. Sanchez Cid23, D. L. Hollowood31, D. Huterer32, E. S. Rykoff22,3, E. Gaztanaga33,34,16, E. M. Huff35, E. Suchyta36, E. Sheldon37, E. Sanchez23, F. Tarsitano38, F. Andrade-Oliveira32, F. J. Castander33,16, G. M. Bernstein27, G. Gutierrez17, G. Giannini39,18, G. Tarle32, H. T. Diehl17, H. Huang40,41, I. Harrison42, I. Sevilla-Noarbe23, I. Tutusaus43, I. Ferrero44, J. Elvin-Poole45, J. L. Marshall46, J. Muir47, J. Weller48,49, J. Zuntz50, J. Carretero39, J. DeRose51, J. Frieman17,18, J. Cordero52, J. De Vicente23, J. García-Bellido53, J. Mena-Fernández54, K. Eckert27, A. K. Romer55, K. Bechtol56, K. Herner17, K. Honscheid25,57, K. Kuehn58,59, L. F. Secco18, L. N. da Costa14, M. Paterno17, M. Soares-Santos32, M. Gatti27, M. Raveri60, M. Yamamoto61, M. Smith62, M. Carrasco Kind63,64, M. A. Troxel61, M. Jarvis27, M. E. C. Swanson63, N. Weaverdyck65,51, O. Lahav29, P. Doel29, P. Wiseman66, R. Miquel67,39, R. A. Gruendl63,64, R. Cawthon68, S. Allam17, S. R. Hinton69, S. L. Bridle52, S. Bocquet70, S. Desai71, S. Pandey27, S. Everett72, S. Lee35, T. Shin73, M. Aguena14, O. Alves32, E. Buckley-Geer12,17, D. L. Burke22,3, C. Conselice52,74, M. Crocce33,16, M. E. S. Pereira75, A. Farahi76,77, K. Honscheid25,57, N. Jeffrey29, M. Lima78,14, A. Palmese21, M. Schubnell32, V. Vikram8, M. Vincenzi79, and Y. Zhang80 (DES Collaboration)

  • 1Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, New Jersey 08544, USA
  • 2Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305, USA
  • 3SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
  • 4Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra Barcelona, Spain
  • 5University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstrasse 1, 81679 Munich, Germany
  • 6Excellence Cluster ORIGINS, Boltzmannstrasse 2, 85748 Garching, Germany
  • 7Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 0WA, United Kingodm
  • 8Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, USA
  • 9Department of Physics,Carnegie Mellon University, Pittsburgh, Pennsylvania 15312, USA
  • 10NSF AI Planning Institute for Physics of the Future, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
  • 11Department of Physics, Northeastern University, Boston, Massachusetts 02115, USA
  • 12Department of Astronomy and Astrophysics, University of Chicago, Chicago, Illinois 60637, USA
  • 13Nordita, KTH Royal Institute of Technology and Stockholm University, Hannes Alfvéns väg 12, SE-10691 Stockholm, Sweden
  • 14Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil
  • 15Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil
  • 16Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, 08193 Barcelona, Spain
  • 17Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
  • 18Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
  • 19NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA
  • 20Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859, Campinas, SP, Brazil
  • 21Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15312, USA
  • 22Kavli Institute for Particle Astrophysics and Cosmology, P. O. Box 2450, Stanford University, Stanford, California 94305, USA
  • 23Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
  • 24Ruhr University Bochum, Faculty of Physics and Astronomy, Astronomical Institute, German Centre for Cosmological Lensing, 44780 Bochum, Germany
  • 25Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA
  • 26Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain
  • 27Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
  • 28Université Grenoble Alpes, CNRS, LPSC-IN2P3, 38000 Grenoble, France
  • 29Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, United Kingdom
  • 30Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, Massachusetts 02138, USA
  • 31Santa Cruz Institute for Particle Physics, Santa Cruz, California 95064, USA
  • 32Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
  • 33Institut d’Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, Spain
  • 34Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, United Kingdom
  • 35Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, California 91109, USA
  • 36Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
  • 37Brookhaven National Laboratory, Bldg 510, Upton, New York 11973, USA
  • 38Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
  • 39Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra (Barcelona) Spain
  • 40Department of Astronomy/Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, Arizona 85721-0065, USA
  • 41Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
  • 42School of Physics and Astronomy, Cardiff University, CF24 3AA, United Kingdom
  • 43Institut de Recherche en Astrophysique et Planétologie (IRAP), Université de Toulouse, CNRS, UPS, CNES, 14 Av. Edouard Belin, 31400 Toulouse, France
  • 44Institute of Theoretical Astrophysics, University of Oslo, P.O. Box 1029 Blindern, NO-0315 Oslo, Norway
  • 45Department of Physics and Astronomy, University of Waterloo, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
  • 46George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
  • 47Perimeter Institute for Theoretical Physics, 31 Caroline Street North, Waterloo, Ontario N2L 2Y5, Canada
  • 48Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, 85748 Garching, Germany
  • 49Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstrasse 1, 81679 München, Germany
  • 50Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, United Kingdom
  • 51Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA
  • 52Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
  • 53Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, 28049 Madrid, Spain
  • 54LPSC Grenoble - 53, Avenue des Martyrs 38026 Grenoble, France
  • 55Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton, BN1 9QH, United Kingdom
  • 56Physics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue Madison, Wisconsin 53706-1390
  • 57Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
  • 58Australian Astronomical Optics, Macquarie University, North Ryde, New South Wales 2113, Australia
  • 59Lowell Observatory, 1400 Mars Hill Road, Flagstaff, Arizona 86001, USA
  • 60Department of Physics, University of Genova and INFN, Via Dodecaneso 33, 16146, Genova, Italy
  • 61Department of Physics, Duke University Durham, North Carolina 27708, USA
  • 62Physics Department, Lancaster University, Lancaster, LA1 4YB, United Kingdom
  • 63Center for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA
  • 64Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, Illinois 61801, USA
  • 65Department of Astronomy, University of California, Berkeley, 501 Campbell Hall, Berkeley, California 94720, USA
  • 66School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom
  • 67Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain
  • 68Physics Department, William Jewell College, Liberty, Missouri 64068, USA
  • 69School of Mathematics and Physics, University of Queensland, Brisbane, Queensland 4072, Australia
  • 70University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstrasse 1, 81679 Munich, Germany
  • 71Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India
  • 72California Institute of Technology, 1200 East California Boulevard, MC 249-17, Pasadena, California 91125, USA
  • 73Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
  • 74University of Nottingham, School of Physics and Astronomy, Nottingham NG7 2RD, United Kingdom
  • 75Hamburger Sternwarte, Universität Hamburg, Gojenbergsweg 112, 21029 Hamburg, Germany
  • 76Departments of Statistics and Data Sciences, University of Texas at Austin, Austin, Texas 78757, USA
  • 77NSF-Simons AI Institute for Cosmic Origins, University of Texas at Austin, Austin, Texas 78757, USA
  • 78Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, São Paulo, SP, 05314-970, Brazil
  • 79Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
  • 80Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory, Casilla 603, La Serena, Chile

  • *Contact author: jmccullough@princeton.edu

Phys. Rev. D 113, 103509 – Published 6 May, 2026

DOI: https://doi.org/10.1103/wmp3-qc3p

Abstract

Modeling the intrinsic alignment (IA) of galaxies poses a challenge to weak lensing analyses. Using the Dark Energy Survey Year 3 shape catalog, we expect less impact from IA when we limit the sample to blue, star-forming galaxies. The cosmological parameter constraints from this blue cosmic shear sample are stable to IA model choice, unlike passive galaxies in the full DES Y3 sample, the goodness-of-fit is improved and the Ωm and S8 better agree with the observations from Planck on the cosmic microwave background. Mitigating IA with sample selection in DES, rather than flexible model choices, can reduce uncertainty in S8 by a factor of 1.5.

Physics Subject Headings (PhySH)

Authorization Required

We need you to provide your credentials before accessing this content.

References (Subscription Required)

Outline

Information

Sign In to Your Journals Account

Filter

Filter

Article Lookup

Enter a citation