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Title: Cosmology from cross-correlation of $$\mathrm{ACT-DR4}$$ $$\mathrm{CMB}$$ lensing and $$\mathrm{DES-Y3}$$ cosmic shear

Journal Article · · Monthly Notices of the Royal Astronomical Society
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  1. Arizona State University, Tempe, AZ (United States); ACT Collaboration, DES Collaboration. at al.
  2. School of Physics and Astronomy, Cardiff University , CF24 3AA , UK
  3. School of Earth and Space Exploration, Arizona State University , Tempe, AZ 85287 , USA
  4. Fermi National Accelerator Laboratory , P. O. Box 500, Batavia, IL 60510 , USA;Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA
  5. Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory , Casilla 603, La Serena , Chile
  6. Laboratório Interinstitucional de e-Astronomia – LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400 , Brazil
  7. Department of Physics, University of Michigan , Ann Arbor, MI 48109 , USA
  8. 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
  9. Department of Physics and Astronomy, University of Southern California , Los Angeles, CA 90089 , USA
  10. Institute of Cosmology and Gravitation, University of Portsmouth , Portsmouth, PO1 3FX , UK
  11. Department of Astronomy, Cornell University , Ithaca, NY 14853 , USA
  12. Argonne National Laboratory , 9700 South Cass Avenue, Lemont, IL 60439 , USA
  13. Department of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104 , USA
  14. 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
  15. Department of Physics, Northeastern University , Boston, MA 02115 , USA
  16. Canadian Institute for Theoretical Astrophysics, University of Toronto , 60 St. George Street, Toronto, ON, M5S 3H8 , Canada
  17. Department of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT , UK
  18. Kavli Institute for Particle Astrophysics & Cosmology, Stanford University , P. O. Box 2450, Stanford, CA 94305 , USA;SLAC National Accelerator Laboratory , Menlo Park, CA 94025 , USA
  19. Laboratório Interinstitucional de e-Astronomia – LIneA , Rua Gal. José Cristino 77, Rio de Janeiro, RJ - 20921-400 , Brazil;Instituto de Astrofisica de Canarias , E-38205 La Laguna, Tenerife , Spain;Dpto. Astrofísica, Universidad de La Laguna , E-38206 La Laguna, Tenerife , Spain
  20. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra, Barcelona , Spain
  21. Physics Department, William Jewell College , Liberty, MO 64068 , USA
  22. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA;Department of Astronomy and Astrophysics, University of Chicago , Chicago, IL 60637 , USA
  23. Department of Physics, Duke University Durham , NC 27708 , USA
  24. NASA Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771 , USA
  25. Department of Astronomy, Cornell University , Ithaca, NY 14853 , USA;Department of Physics, Cornell University , Ithaca, NY 14853 , USA
  26. Hamburger Sternwarte, Universität Hamburg , Gojenbergsweg 112, 21029 Hamburg , Germany
  27. Département de Physique Théorique et CAP, Université de Genève , 24 quai Ernest-Ansermet, CH-1211 Genève 4 , Switzerland
  28. School of Mathematics and Physics, University of Queensland , Brisbane, QLD 4072 , Australia
  29. Department of Physics, IIT Hyderabad , Kandi, Telangana 502285 , India
  30. Fermi National Accelerator Laboratory , P. O. Box 500, Batavia, IL 60510 , USA
  31. Department of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104 , USA;Université Grenoble Alpes, CNRS, LPSC-IN2P3 , F-38000 Grenoble , France
  32. Department of Physics and Astronomy, University of Waterloo , 200 University Avenue West, Waterloo, ON N2L 3G1 , Canada
  33. Kavli Institute for Cosmology, University of Cambridge , Madingley Road, Cambridge CB3 0HA , UK;Department of Applied Mathematics and Theoretical Physics, University of Cambridge , Cambridge CB3 0WA , UK
  34. Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USA;Berkeley Center for Cosmological Physics, Department of Physics, University of California , Berkeley, CA 94720 , USA
  35. Institute of Theoretical Astrophysics, University of Oslo , P. O. Box 1029 Blindern, NO-0315 Oslo , Norway
  36. SLAC National Accelerator Laboratory , Menlo Park, CA 94025 , USA
  37. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid , E-28049 Madrid , Spain
  38. University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr. 1, D-81679 Munich , Germany
  39. Center for Astrophysical Surveys, National Center for Supercomputing Applications , 1205 West Clark Street, Urbana, IL 61801 , USA;Department of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Street, Urbana, IL 61801 , USA
  40. Department of Physics, Columbia University , 538 West 120th Street, NY 10027 , USA
  41. Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064 , USA
  42. 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
  43. Department of Physics, Florida State University , Tallahassee, FL 32306 , USA
  44. Center for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA
  45. Centre for Radio Astronomy Techniques and Technologies, Department of Physics and Electronics, Rhodes University , P. O. Box 94, Makhanda 6140 , South Africa;South African Radio Astronomy Observatory , 2 Fir Street, Observatory 7925 , South Africa
  46. Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Dr, Pasadena, CA 91109 , USA
  47. 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
  48. Department of Applied Mathematics and Theoretical Physics, University of Cambridge , Cambridge CB3 0WA , UK
  49. 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
  50. Kavli Institute for Particle Astrophysics & Cosmology, Stanford University , P. O. Box 2450, Stanford, CA 94305 , USA
  51. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , Av. Complutense, 40, Moncloa - Aravaca, E-28040 Madrid , Spain
  52. 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
  53. University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr. 1, D-81679 Munich , Germany;Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse , D-85748 Garching , Germany
  54. Astrophysics Research Centre, University of KwaZulu-Natal , Westville Campus, Durban 4041 , South Africa;School of Mathematics, Statistics & Computer Science, University of KwaZulu-Natal , Westville Campus, Durban 4041 , South Africa
  55. Kavli Institute for Particle Astrophysics & Cosmology, Stanford University , P. O. Box 2450, 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
  56. Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas , 13083-859, Campinas, SP , Brazil
  57. Department of Physics, Yale University , 217 Prospect Street, New Haven, CT 06511 , USA
  58. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA;Kavli Institute for Particle Astrophysics & Cosmology, Stanford University , P. O. Box 2450, Stanford, CA 94305 , USA;Department of Astronomy and Astrophysics, University of Chicago , Chicago, IL 60637 , USA;Department of Physics, Stanford University , 382 Via Pueblo Mall, Stanford, CA 94305 , USA
  59. Department of Physics and Astronomy, Haverford College , Haverford, PA, 19041 , USA
  60. 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
  61. 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;Institute for Astronomy, University of Edinburgh , Edinburgh EH9 3HJ , UK
  62. Institute for Astronomy, University of Edinburgh , Edinburgh EH9 3HJ , UK
  63. Kavli Institute for Cosmological Physics, University of Chicago , Chicago, IL 60637 , USA
  64. Department of Physics and Astronomy, Stony Brook University , Stony Brook, NY 11794 , USA
  65. Brookhaven National Laboratory , Building 510, Upton, NY 11973 , USA
  66. Instituto de Física, Pontificia Universidad Católica de Valparaíso , Casilla 4059, Valparaíso , Chile
  67. School of Physics and Astronomy, University of Southampton , Southampton, SO17 1BJ , UK
  68. Computer Science and Mathematics Division, Oak Ridge National Laboratory , Oak Ridge, TN 37831 , USA
  69. Center for Astrophysical Surveys, National Center for Supercomputing Applications , 1205 West Clark Street, Urbana, IL 61801 , USA
  70. Institut de Recherche en Astrophysique et Planétologie (IRAP), Université de Toulouse, CNRS, UPS, CNES , 14 Avenue Edouard Belin, F-31400 Toulouse , France
  71. Instituto de Astrofísica and Centro de Astro-Ingenieía, Facultad de Física, Pontificia Universidad Católica de Chile , Avenida Vicuña Mackenna 48608, 7820436 Macul, Santiago , Chile
  72. Department of Physics, University of Michigan , Ann Arbor, MI 48109 , USA;Lawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USA
+ Show Author Affiliations

Cross-correlation between weak lensing of the Cosmic Microwave Background (CMB) and weak lensing of galaxies offers a way to place robust constraints on cosmological and astrophysical parameters with reduced sensitivity to certain systematic effects affecting individual surveys. We measure the angular cross-power spectrum between the Atacama Cosmology Telescope (ACT) DR4 CMB lensing and the galaxy weak lensing measured by the Dark Energy Survey (DES) Y3 data. Our baseline analysis uses the CMB convergence map derived from ACT-DR4 and Planck data, where most of the contamination due to the thermal Sunyaev Zel’dovich effect is removed, thus avoiding important systematics in the cross-correlation. In our modelling, we consider the nuisance parameters of the photometric uncertainty, multiplicative shear bias and intrinsic alignment of galaxies. The resulting cross-power spectrum has a signal-to-noise ratio = 7.1 and passes a set of null tests. We use it to infer the amplitude of the fluctuations in the matter distribution (S8 ≡ σ8(Ωm/0.3)0.5 = 0.782 ± 0.059) with informative but well-motivated priors on the nuisance parameters. We also investigate the validity of these priors by significantly relaxing them and checking the consistency of the resulting posteriors, finding them consistent, albeit only with relatively weak constraints. This cross-correlation measurement will improve significantly with the new ACT-DR6 lensing map and form a key component of the joint 6×2pt analysis between DES and ACT

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF)
Contributing Organization:
ACT collaboration; DES Collaboration
Grant/Contract Number:
AC02-07CH11359; 21-ATP21-0129; 22-ADAP22-0145; AST-2108536; AST-2001866; 1815887; AST-0408698; AST-0965625; AST-1440226; PHY-0355328; PHY-0855887; PHY-1214379; NNX13AE56G; NNX14AB58G
OSTI ID:
2001002
Report Number(s):
FERMILAB-PUB-23-432-PPD; arXiv:2309.04412; oai:inspirehep.net:2695541
Journal Information:
Monthly Notices of the Royal Astronomical Society, Vol. 528, Issue 2; ISSN 0035-8711
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
gravitational lensing
weak
large-scale structure of Universe
cosmology
observations
cosmological parameters