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Title: Dark Energy Survey Year 3 results: Curved-sky weak lensing mass map reconstruction

Journal Article · · Monthly Notices of the Royal Astronomical Society
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  1. Laboratoire de Physique de l’Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université de Paris, Paris 75005, France, Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
  2. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain, Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
  3. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA
  4. Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
  5. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain
  6. Instituto de Astrofísica de Canarias (IAC), Calle Vía Láctea, E-38200 La Laguna, Tenerife, Spain, Departamento de Astrofísica, Universidad de La Laguna (ULL), E-38206 La Laguna, Tenerife, Spain
  7. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr. 1, D-81679 München, Germany
  8. Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UK
  9. Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
  10. AIM, CEA, CNRS, Université Paris-Saclay, Université de Paris, F-91191 Gif-sur-Yvette, France
  11. Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA
  12. Kavli Institute for Particle Astrophysics and Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA
  13. Physics Department, 2320 Chamberlin Hall, University of Wisconsin-Madison, 1150 University Avenue Madison, WI 53706-1390, USA
  14. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
  15. Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15312, USA
  16. Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain, Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil, Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
  17. Center for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA, Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA
  18. Department of Physics, Duke University Durham, NC 27708, USA
  19. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA
  20. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK
  21. Department of Astronomy, University of California, Berkeley, 501 Campbell Hall, Berkeley, CA 94720, USA, Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA
  22. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA
  23. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA, Department of Physics, The Ohio State University, Columbus, OH 43210, USA
  24. Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA
  25. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
  26. Kavli Institute for Particle Astrophysics and Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA, Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
  27. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK, Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
  28. Department of Astronomy, University of Geneva, ch. d’Écogia 16, CH-1290 Versoix, Switzerland
  29. Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA
  30. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
  31. Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 0WA, UK
  32. Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, Campinas, SP 13083-859, Brazil
  33. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA
  34. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA
  35. Kavli Institute for Particle Astrophysics and Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
  36. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain
  37. Brookhaven National Laboratory, Bldg 510, Upton, NY 11973, USA
  38. Institut d’Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain, Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain
  39. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr. 1, D-81679 München, Germany, Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany
  40. Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK
  41. Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory, Casilla 603, La Serena, Chile
  42. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil, Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, São Paulo, SP 05314-970, Brazil
  43. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil, Instituto de Física Teórica, Universidade Estadual Paulista, São Paulo, Brazil
  44. CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014 Paris, France, Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Institut d’Astrophysique de Paris, F-75014 Paris, France
  45. Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, UK
  46. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK, University of Nottingham, School of Physics and Astronomy, Nottingham NG7 2RD, UK
  47. Astronomy Unit, Department of Physics, University of Trieste, via Tiepolo 11, I-34131 Trieste, Italy, INAF-Osservatorio Astronomico di Trieste, via G. B. Tiepolo 11, I-34143 Trieste, Italy, Institute for Fundamental Physics of the Universe, Via Beirut 2, I-4014 Trieste, Italy
  48. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil, Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil
  49. Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India
  50. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany
  51. Institute of Theoretical Astrophysics, University of Oslo. P.O. Box 1029 Blindern, NO-0315 Oslo, Norway
  52. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain
  53. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA, Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA
  54. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK, Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
  55. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia
  56. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr. 1, D-81679 München, Germany, Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany
  57. Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
  58. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA
  59. Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544, USA
  60. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain, Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain
  61. Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany
  62. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA
  63. Center for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA, Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
  64. School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK
  65. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
+ Show Author Affiliations

We present reconstructed convergence maps, mass maps, from the Dark Energy Survey (DES) third year (Y3) weak gravitational lensing data set. The mass maps are weighted projections of the density field (primarily dark matter) in the foreground of the observed galaxies. We use four reconstruction methods, each is a maximum a posteriori estimate with a different model for the prior probability of the map: Kaiser–Squires, null B-mode prior, Gaussian prior, and a sparsity prior. All methods are implemented on the celestial sphere to accommodate the large sky coverage of the DES Y3 data. We compare the methods using realistic ΛCDM simulations with mock data that are closely matched to the DES Y3 data. We quantify the performance of the methods at the map level and then apply the reconstruction methods to the DES Y3 data, performing tests for systematic error effects. The maps are compared with optical foreground cosmic-web structures and are used to evaluate the lensing signal from cosmic-void profiles. Furthermore, the recovered dark matter map covers the largest sky fraction of any galaxy weak lensing map to date.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
National Science Foundation (NSF); Spanish Ministerio de Economia y Competitividad (MINECO); Science and Technology Facilities Council (STFC); USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
DES Collaboration
Grant/Contract Number:
AC05-00OR22725; AC02-07CH11359; AC02-76SF00515; AC02-06CH11357; SC0019193
OSTI ID:
1798530
Alternate ID(s):
OSTI ID: 1818679; OSTI ID: 1820149; OSTI ID: 1832801; OSTI ID: 1839680; OSTI ID: 1872964
Report Number(s):
FERMILAB-PUB-21-342-AE-SCD; arXiv:2105.13539
Journal Information:
Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Vol. 505 Journal Issue: 3; ISSN 0035-8711
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
gravitational lensing: weak
methods: statistical
large-scale structure of Universe