Dark Energy Survey Year 3 results: galaxy–halo connection from galaxy–galaxy lensing

Author:

Zacharegkas G12ORCID,Chang C12ORCID,Prat J12ORCID,Pandey S3,Ferrero I4,Blazek J56,Jain B3,Crocce M78,DeRose J9,Palmese A210,Seitz S1112,Sheldon E13,Hartley W G14,Wechsler R H151617,Dodelson S1819,Fosalba P78,Krause E20,Park Y21,Sánchez C3,Alarcon A22,Amon A16,Bechtol K23,Becker M R22,Bernstein G M3,Campos A18,Carnero Rosell A242526,Carrasco Kind M2728,Cawthon R23,Chen R29,Choi A30,Cordero J31,Davis C16,Diehl H T10,Doux C3,Drlica-Wagner A1210,Eckert K3,Elvin-Poole J3032,Everett S33,Ferté A34,Gatti M3,Giannini G35,Gruen D151617,Gruendl R A2728,Harrison I3136,Herner K10,Huff E M34,Jarvis M3,Kuropatkin N10,Leget P-F16,MacCrann N37,McCullough J16,Myles J151617,Navarro-Alsina A38,Porredon A3032,Raveri M3,Rollins R P31,Roodman A1617,Ross A J30,Rykoff E S1617,Secco L F23,Sevilla-Noarbe I39,Shin T3,Troxel M A29,Tutusaus I78,Varga T N1112,Yanny B10,Yin B18,Zhang Y10,Zuntz J40,Abbott T M C41,Aguena M25,Allam S10,Andrade-Oliveira F2542,Annis J10,Bacon D43,Bertin E4445,Brooks D46,Burke D L1617,Carretero J35,Castander F J78,Costanzi M474849,da Costa L N2550,Pereira M E S51,Desai S52,Dietrich J P53,Doel P46,Evrard A E5154,Flaugher B10,Frieman J210,García-Bellido J55,Gaztanaga E78,Gschwend J2550,Gutierrez G10,Hinton S R56,Hollowood D L33,Honscheid K3032,Hoyle B53,James D J57,Kuehn K5859,Lima M2560,Maia M A G2550,Marshall J L61,Melchior P62,Menanteau F2728,Miquel R3563,Muir J16,Ogando R L C2550,Paz-Chinchón F2764,Pieres A2550,Sanchez E39,Serrano S78,Smith M65,Suchyta E66,Tarle G51,Thomas D43,To C151617,Wilkinson R D67,(DES Collaboration)

Affiliation:

1. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA

2. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA

3. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA

4. Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029 Blindern, NO-0315 Oslo, Norway

5. Department of Physics, Northeastern University, Boston, MA 02115, USA

6. Laboratory of Astrophysics, École Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, CH-1290 Versoix, Switzerland

7. Institut d’Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain

8. Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain

9. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA

10. Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA

11. Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany

12. Fakultät für Physik, Universitäts-Sternwarte, Ludwig-Maximilians Universität München, Scheinerstr. 1, D-81679 München, Germany

13. Brookhaven National Laboratory, Bldg 510, Upton, NY 11973, USA

14. Department of Astronomy, University of Geneva, ch. d’Écogia 16, CH-1290 Versoix, Switzerland

15. Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA

16. Kavli Institute for Particle Astrophysics and Cosmology, PO Box 2450, Stanford University, Stanford, CA 94305, USA

17. SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

18. Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15312, USA

19. NSF AI Planning Institute for Physics of the Future, Carnegie Mellon University, Pittsburgh, PA 15213, USA

20. Department of Astronomy/Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA

21. Kavli Institute for the Physics and Mathematics of the Universe (WPI), UTIAS, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan

22. Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA

23. Physics Department, University of Wisconsin-Madison, 2320 Chamberlin Hall, 1150 University Avenue Madison, WI 53706-1390, USA

24. Instituto de Astrofisica de Canarias, La Laguna, E-38205 Tenerife, Spain

25. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

26. Dpto. Astrofísica, Universidad de La Laguna, La Laguna, E-38206 Tenerife, Spain

27. Center for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA

28. Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA

29. Department of Physics, Duke University Durham, NC 27708, USA

30. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA

31. Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK

32. Department of Physics, The Ohio State University, Columbus, OH 43210, USA

33. Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA

34. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA

35. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona) Spain

36. Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK

37. Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 0WA, UK

38. Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, SP, Brazil

39. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), E-28040 Madrid, Spain

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. Instituto de Física Teórica, Universidade Estadual Paulista, São Paulo, Brazil

43. Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK

44. CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France

45. Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Institut d’Astrophysique de Paris, F-75014 Paris, France

46. Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK

47. Astronomy Unit, Department of Physics, University of Trieste, via Tiepolo 11, I-34131 Trieste, Italy

48. INAF-Osservatorio Astronomico di Trieste, via G. B. Tiepolo 11, I-34143 Trieste, Italy

49. Institute for Fundamental Physics of the Universe, Via Beirut 2, I-34014 Trieste, Italy

50. Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil

51. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA

52. Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India

53. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany

54. Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA

55. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain

56. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia

57. Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA

58. Australian Astronomical Optics, Macquarie University, North Ryde, NSW 2113, Australia

59. Lowell Observatory, 1400 Mars Hill Rd, Flagstaff, AZ 86001, USA

60. Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, São Paulo, SP, 05314-970, Brazil

61. 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

62. Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544, USA

63. Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain

64. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK

65. School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK

66. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

67. Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, UK

Abstract

ABSTRACT Galaxy–galaxy lensing is a powerful probe of the connection between galaxies and their host dark matter haloes, which is important both for galaxy evolution and cosmology. We extend the measurement and modelling of the galaxy–galaxy lensing signal in the recent Dark Energy Survey Year 3 cosmology analysis to the highly non-linear scales (∼100 kpc). This extension enables us to study the galaxy–halo connection via a Halo Occupation Distribution (HOD) framework for the two lens samples used in the cosmology analysis: a luminous red galaxy sample (redmagic) and a magnitude-limited galaxy sample (maglim). We find that redmagic (maglim) galaxies typically live in dark matter haloes of mass log10(Mh/M⊙) ≈ 13.7 which is roughly constant over redshift (13.3−13.5 depending on redshift). We constrain these masses to ${\sim}15{{\ \rm per\ cent}}$, approximately 1.5 times improvement over the previous work. We also constrain the linear galaxy bias more than five times better than what is inferred by the cosmological scales only. We find the satellite fraction for redmagic (maglim) to be ∼0.1−0.2 (0.1−0.3) with no clear trend in redshift. Our constraints on these halo properties are broadly consistent with other available estimates from previous work, large-scale constraints, and simulations. The framework built in this paper will be used for future HOD studies with other galaxy samples and extensions for cosmological analyses.

Funder

Henry Luce Foundation

U.S. Department of Energy

Science and Technology Facilities Council

Higher Education Funding Council for England

University of Illinois at Urbana-Champaign

University of Chicago

Ohio State University

Financiadora de Estudos e Projetos

Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro

Ministério da Ciência, Tecnologia e Inovação

Deutsche Forschungsgemeinschaft

Argonne National Laboratory

Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas

University College London

University of Edinburgh

Eidgenössische Technische Hochschule Zürich

Lawrence Berkeley National Laboratory

University of Nottingham

University of Pennsylvania

University of Portsmouth

SLAC National Accelerator Laboratory

Stanford University

University of Sussex

Texas A&M University

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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