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Title: Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT

Journal Article · · Monthly Notices of the Royal Astronomical Society
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  1. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
  2. Kavli Institute for Particle Astrophysics & Cosmology, PO Box 2450, Stanford University, Stanford, CA 94305, USA, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
  3. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA
  4. Department of Astronomy, Cornell University, Ithaca, NY 14853, USA
  5. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA
  6. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA, Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr 1, D-81679 München, Germany
  7. Kavli Institute for Particle Astrophysics & Cosmology, PO Box 2450, Stanford University, Stanford, CA 94305, USA, Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
  8. Astrophysics & Cosmology Research Unit, School of Mathematics, Statistics & Computer Science, University of KwaZulu-Natal, Westville Campus, Durban 4041, South Africa
  9. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA, Enrico Fermi Institute, The University of Chicago, Chicago, IL 60637, USA
  10. Brookhaven National Laboratory, Bldg 510, Upton, NY 11973, USA
  11. Department of Physics, University of Arizona, Tucson, AZ 85721, USA
  12. 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
  13. Kavli Institute for Particle Astrophysics & Cosmology, PO Box 2450, Stanford University, Stanford, CA 94305, USA, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA, Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
  14. Department of Physics, The Ohio State University, Columbus, OH 43210, USA
  15. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA
  16. Joseph Henry Laboratories of Physics, Jadwin Hall, Princeton University, Princeton, NJ 08544, USA
  17. Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA
  18. LSST, 933 North Cherry Avenue, Tucson, AZ 85721, USA
  19. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA, Fermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, USA
  20. CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014 Paris, France, Institut d’Astrophysique de Paris, Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, F-75014 Paris, France
  21. Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George St, Toronto, ON M5S 3H8, Canada
  22. Department of Physics and Astronomy, University of Missouri, Kansas City, MO 64110, USA
  23. Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK
  24. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA, Enrico Fermi Institute, The University of Chicago, Chicago, IL 60637, USA, Department of Physics, University of Chicago, Chicago, IL 60637, USA
  25. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain, Laboratório Interinstitucional de e-Astronomia – LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
  26. Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA, National Center for Supercomputing Applications, 1205 West Clark St, Urbana, IL 61801, USA
  27. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain
  28. 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
  29. Kavli Institute for Particle Astrophysics & Cosmology, PO Box 2450, Stanford University, Stanford, CA 94305, USA
  30. 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
  31. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain
  32. Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India
  33. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr 1, D-81679 Munich, Germany, Excellence Cluster Universe, Boltzmannstr 2, D-85748 Garching, Germany
  34. Joseph Henry Laboratories of Physics, Jadwin Hall, Princeton University, Princeton, NJ 08544, USA, Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
  35. Department of Astronomy/Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
  36. Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA, Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
  37. Department of Physics, Cornell University, Ithaca, NY 14853, USA
  38. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain
  39. Department of Astronomy and Steward Observatory, University of Arizona, Tucson, AZ 85721, USA
  40. School of Physics, University of Melbourne, Parkville, VIC 3010, Australia
  41. Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK, Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
  42. Institute for Advanced Study, Princeton, NJ 08540, USA, Center for Computational Astrophysics, Flatiron Institute, New York, NY 10010, USA
  43. Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA
  44. Department of Physics, The Ohio State University, Columbus, OH 43210, USA, Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA
  45. Department of Physics, Florida State University, Keen Physics Building, Tallahassee, FL 32306, USA
  46. Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854-8019, USA
  47. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
  48. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
  49. Department of Astronomy/Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA
  50. Australian Astronomical Optics, Macquarie University, North Ryde, NSW 2113, Australia
  51. 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
  52. Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
  53. Department of Physics and Astronomy, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA
  54. Instituto de Astrofísica and Centro de Astro-Ingeniería, Facultad de Física, Pontificia Universidad Católica de Chile, Av, 7820436 Macul, Santiago, Chile
  55. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
  56. 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
  57. Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr 1, D-81679 Munich, Germany, Excellence Cluster Universe, Boltzmannstr 2, D-85748 Garching, Germany
  58. Center for Computational Astrophysics, Flatiron Institute, New York, NY 10010, USA
  59. Physics Department, University of Milano-Bicocca, Piazza della Scienza 3, I-20126 Milan, Italy
  60. Department of Physics, Yale University, New Haven, CT 06520, USA
  61. Department of Physics and Astronomy, Haverford College, Haverford, PA 19041, USA
  62. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
  63. Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Science, University of Colorado, Boulder, CO 80309, USA, NASA Ames Research Center, Moffett Field, CA 94035, USA
  64. Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, UK
  65. SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
  66. School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK
  67. Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
  68. Physics Department, Brandeis University, 415 South Street, Waltham, MA 02453, USA
  69. Laboratório Interinstitucional de e-Astronomia – LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil, Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, SP, Brazil
  70. Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George St, Toronto, ON M5S 3H8, Canada, Department of Astronomy and Astrophysics, University of Toronto, 50 St. George St, Toronto, ON M5S 3H4, Canada
  71. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
  72. National Center for Supercomputing Applications, 1205 West Clark St, Urbana, IL 61801, USA
  73. Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UK
  74. NASA/Goddard Space Flight Center Observational Cosmology Laboratory, Greenbelt, MD 20771, USA
+ Show Author Affiliations

We present a detection of the splashback feature around galaxy clusters selected using the Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around optically selected galaxy clusters have found that the splashback radius, rsp, is smaller than predicted by N-body simulations. A possible explanation for this discrepancy is that rsp inferred from the observed radial distribution of galaxies is affected by selection effects related to the optical cluster-finding algorithms. We test this possibility by measuring the splashback feature in clusters selected via the SZ effect in data from the South Pole Telescope SZ survey and the Atacama Cosmology Telescope Polarimeter survey. The measurement is accomplished by correlating these cluster samples with galaxies detected in the Dark Energy Survey Year 3 data. The SZ observable used to select clusters in this analysis is expected to have a tighter correlation with halo mass and to be more immune to projection effects and aperture-induced biases, potentially ameliorating causes of systematic error for optically selected clusters. We find that the measured rsp for SZ-selected clusters is consistent with the expectations from simulations, although the small number of SZ-selected clusters makes a precise comparison difficult. In agreement with previous work, when using optically selected redMaPPer clusters with similar mass and redshift distributions, rsp is ~2σ smaller than in the simulations. These results motivate detailed investigations of selection biases in optically selected cluster catalogues and exploration of the splashback feature around larger samples of SZ-selected clusters. Additionally, we investigate trends in the galaxy profile and splashback feature as a function of galaxy colour, finding that blue galaxies have profiles close to a power law with no discernible splashback feature, which is consistent with them being on their first infall into the cluster.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
DES; ACT; SPT; Dark Energy Survey (DES) Collaboration; Dark Energy Survey Collaboration
Grant/Contract Number:
AC02-06CH11357; AC02-07CH11359; AC05-00OR22725; AC02-05CH11231
OSTI ID:
1526338
Alternate ID(s):
OSTI ID: 1503021; OSTI ID: 1531211; OSTI ID: 1582037
Report Number(s):
arXiv:1811.06081; DES-2018-0372; FERMILAB-PUB-18-626-AE
Journal Information:
Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Vol. 487 Journal Issue: 2; ISSN 0035-8711
Publisher:
Royal Astronomical SocietyCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
galaxies: clusters: general
galaxies: evolution
cosmology: observations