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Cited by 1,124Cosmology and Gravitation TheoriesGalaxies: Formation, Evolution, PhenomenaDark Matter and Cosmic Phenomena

Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing

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Abbott, T. M. C., Aguena, M., Alarcon, A., Allam, S., Alves, O., Amon, A., Andrade-Oliveira, F., Annis, J. +163 more·2022·Physical Review D
DOI 10.1103/physrevd.105.023520
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Abstract

We present the first cosmology results from large-scale structure using the full 5000 deg 2 of imaging data from the Dark Energy Survey (DES) Data Release 1.We perform an analysis of large-scale structure combining three two-point correlation functions (3 × 2pt): (i) cosmic shear using 100 million source galaxies, (ii) galaxy clustering, and (iii) the cross-correlation of source galaxy shear with lens galaxy positions, galaxy-galaxy lensing.To achieve the cosmological precision enabled by these measurements has required updates to nearly every part of the analysis from DES Year 1, including the use of two independent galaxy clustering samples, modeling advances, and several novel improvements in the calibration of gravitational shear and photometric redshift inference.The analysis was performed under strict conditions to mitigate confirmation or observer bias; we describe specific changes made to the lens galaxy sample following unblinding of the results and tests of the robustness of our results to this decision.We model the data within the flat ΛCDM and wCDM cosmological models, marginalizing over 25 nuisance parameters.We find consistent cosmological results between the three two-point correlation functions; their combination yields clustering amplitude S 8 ¼ 0.776 þ0.017 -0.017 and matter density Ω m ¼ 0.339

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  • With just six free parameters, ΛCDM fits well all current cosmological observations.

    “with just six free parameters, it manages to fit well all the current cosmological observations [8][9][10][11][12][13][14][15][16][17].”

    From Challenges of the Standard Cosmological Model (2022) · cites this paper as [17]

    “B. Parametrization and priors” says ΛCDM has six free cosmological parameters, but the paper’s fiducial analysis also uses 25 nuisance parameters. Section VII reports that combinations of the cosmological datasets it examines can fit ΛCDM; it does not establish a good fit to all current cosmological observations. The Introduction also notes a possible Hubble tension. (LLM, conf=0.88)

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Abbott, T. M. C., Aguena, M., Alarcon, A., Allam, S., Alves, O., Amon, A., Andrade-Oliveira, F., Annis, J., Avila, S., Bacon, D., Baxter, E., Bechtol, K., Becker, M. R., Bernstein, G. M., Bhargava, S., Birrer, S., Blazek, J., Brandao-Souza, A., Bridle, S. L., Brooks, D., Buckley-Geer, E., Burke, D. L., Camacho, H., Campos, A., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F. J., Cawthon, R., Chang, C., Chen, A., Chen, R., Choi, A., Conselice, C., Cordero, J., Costanzi, M., Crocce, M., da Costa, L. N., da Silva Pereira, M. E., Davis, C., Davis, T. M., De Vicente, J., DeRose, J., Desai, S., Di Valentino, E., Diehl, H. T., Dietrich, J. P., Dodelson, S., Doel, P., Doux, C., Drlica-Wagner, A., Eckert, K., Eifler, T. F., Elsner, F., Elvin-Poole, J., Everett, S., Evrard, A. E., Fang, X., Farahi, A., Fernandez, E., Ferrero, I., Ferté, A., Fosalba, P., Friedrich, O., Frieman, J., García-Bellido, J., Gatti, M., Gaztanaga, E., Gerdes, D. W., Giannantonio, T., Giannini, G., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Harrison, I., Hartley, W. G., Herner, K., Hinton, S. R., Hollowood, D. L., Honscheid, K., Hoyle, B., Huff, E. M., Huterer, D., Jain, B., James, D. J., Jarvis, M., Jeffrey, N., Jeltema, T., Kovacs, A., Krause, E., Kron, R., Kuehn, K., Kuropatkin, N., Lahav, O., Leget, P.-F., Lemos, P., Liddle, A. R., Lidman, C., Lima, M., Lin, H., MacCrann, N., Maia, M. A. G., Marshall, J. L., Martini, P., McCullough, J., Melchior, P., Mena-Fernández, J., Menanteau, F., Miquel, R., Mohr, J. J., Morgan, R., Muir, J., Myles, J., Nadathur, S., Navarro-Alsina, A., Nichol, R. C., Ogando, R. L. C., Omori, Y., Palmese, A., Pandey, S., Park, Y., Paz-Chinchón, F., Petravick, D., Pieres, A., Plazas Malagón, A. A., Porredon, A., Prat, J., Raveri, M., Rodriguez-Monroy, M., Rollins, R. P., Romer, A. K., Roodman, A., Rosenfeld, R., Ross, A. J., Rykoff, E. S., Samuroff, S., Sánchez, C., Sanchez, E., Sanchez, J., Sanchez Cid, D., Scarpine, V., Schubnell, M., Scolnic, D., Secco, L. F., Serrano, S., Sevilla-Noarbe, I., Sheldon, E., Shin, T., Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. E. C., Tabbutt, M., Tarle, G., Thomas, D., To, C., Troja, A., Troxel, M. A., Tucker, D. L., Tutusaus, I., Varga, T. N., Walker, A. R., Weaverdyck, N., Wechsler, R., Weller, J., Yanny, B., Yin, B., Zhang, Y., Zuntz, J., & DES Collaboration
Affiliations
  • Cerro Tololo Inter-American Observatory (CL)
  • Laboratório Interinstitucional de e-Astronomia (BR)
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ORCID
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2022-01-13
Volume
105
Issue
2
Pages
023520
ISSN
  • 2470-0010 (ISSN-L)
  • 2470-0029
DOI
10.1103/physrevd.105.023520
OpenAlex
W3165898284
Cited by
1,124
References
212
Citations by year
2026: 199 · 2025: 252 · 2024: 236 · 2023: 224 · 2022: 168 · 2021: 38 · 2019: 1 · 2018: 5 · 2017: 1
FWCI
87.07
Type
journal article
Language
en
Open access
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
  • Physical review. D/Physical review. D. (publishedVersion)
  • arXiv (Cornell University) (acceptedVersion)
  • UA Campus Repository (The University of Arizona) (acceptedVersion)
  • HAL (submittedVersion)
  • ArTS Archivio della ricerca di Trieste (University of Trieste https://www.units.it/) (submittedVersion, other-oa)
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Funders
  • U.S. Department of Energy
  • National Science Foundation (AST-1138766, AST-1536171)
  • Science and Technology Facilities Council
  • Higher Education Funding Council for England
  • University of Illinois at Urbana-Champaign
  • University of Chicago
  • Ohio State University
  • Texas A and M University
  • Financiadora de Estudos e Projetos
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  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (465376/2014-2)
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  • Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos
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  • Ministry of Science and Education of Spain
  • Collaborating Institution
  • DES-Brazil Consortium
  • Institut de Ciències de l’Espai
  • Institut de Física d’Altes Energies
  • Excellence Cluster Universe
  • NFS’s NOIRLab
  • OzDES Membership Consortium
  • Fermi Research Alliance (DE-AC02-07CH11359)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Galaxies: Formation, Evolution, Phenomena
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Dark Matter and Cosmic Phenomena
Keywords
cosmological constraints, large-scale structure, galaxy clustering, weak gravitational lensing, cosmic shear, galaxy-galaxy lensing, cross correlation function, matter density, wCDM model, photometric redshift calibration, confirmation bias, observer bias, Dark Energy Survey

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