DESI 2024 V: Full-Shape galaxy clustering from galaxies and quasars
A. G. AdameInstituto de Física Teórica (IFT) UAM/CSIC, Universidad Autónoma de Madrid, Cantoblanco, E-28049, Madrid, SpainJ. AguilarLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AS. AhlenPhysics Dept., Boston University, 590 Commonwealth Avenue, Boston, MA 02215, U.S.AShadab AlamTata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005, IndiaD. M. AlexanderCentre for Extragalactic Astronomy, Department of Physics, Durham University, South Road, Durham, DH1 3LE, U.KMarcelo A. AlvarezLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AO. AlvesDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, U.S.AAbhijeet AnandLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AU. AndradeDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, U.S.AE. ArmengaudIRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, FranceS. ÀvilaInstitut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra Barcelona, SpainAlejandro AvilésInstituto Avanzado de Cosmología A. C., San Marcos 11 - Atenas 202. Magdalena Contreras, 10720. Ciudad de México, MéxicoHumna AwanDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, U.S.AS. BaileyLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AC. BaltayPhysics Department, Yale University, P.O. Box 208120, New Haven, CT 06511, U.S.AA. BaultDepartment of Physics and Astronomy, University of California, Irvine, 92697, U.S.AJayashree BeheraDepartment of Physics, Kansas State University, 116 Cardwell Hall, Manhattan, KS 66506, U.S.AS. BenZviDepartment of Physics & Astronomy, University of Rochester, 206 Bausch and Lomb Hall, P.O. Box 270171, Rochester, NY 14627-0171, U.S.AFlorian BeutlerInstitute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, U.KDavide BianchiDipartimento di Fisica “Aldo Pontremoli”, Università degli Studi di Milano, Via Celoria 16, I-20133 Milano, ItalyChris BlakeCentre for Astrophysics & Supercomputing, Swinburne University of Technology, P.O. Box 218, Hawthorn, VIC 3122, AustraliaRobert BlumNSF NOIRLab, 950 N. Cherry Ave., Tucson, AZ 85719, U.S.AS. BriedenInstitute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, U.KA. BrodzellerLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.ADavid BrooksDepartment of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, U.KE. Buckley‐GeerDepartment of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, U.S.AE. BurtinIRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, FranceR. CalderónKorea Astronomy and Space Science Institute, 776, Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of KoreaR. E. A. CanningInstitute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Portsmouth, PO1 3FX, U.KA. Carnero RosellDepartamento de Astrofísica, Universidad de La Laguna (ULL), E-38206, La Laguna, Tenerife, SpainR. CereskaiteDepartment of Physics and Astronomy, University of Sussex, Brighton BN1 9QH, U.KJorge L. Cervantes–CotaDepartamento de Física, Instituto Nacional de Investigaciones Nucleares, Carreterra México-Toluca S/N, La Marquesa, Ocoyoacac, Edo. de México C.P. 52750, MéxicoSolène ChabanierLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AE. ChaussidonLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AJ. Chaves-MonteroInstitut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra Barcelona, SpainShi-Fan ChenInstitute for Advanced Study, 1 Einstein Drive, Princeton, NJ 08540, U.S.AXinyi ChenPhysics Department, Yale University, P.O. Box 208120, New Haven, CT 06511, U.S.AT. ClaybaughLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AShaun ColeInstitute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, U.KAndrei CuceuCenter for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, U.S.AT. M. DavisSchool of Mathematics and Physics, University of Queensland, 4072, AustraliaKyle DawsonDepartment of Physics and Astronomy, The University of Utah, 115 South 1400 East, Salt Lake City, UT 84112, U.S.AAxel de la MacorraInstituto de Física, Universidad Nacional Autónoma de México, Cd. de México C.P. 04510, MéxicoArnaud de MattiaIRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, FranceN. DeiossoCIEMAT, Avenida Complutense 40, E-28040 Madrid, SpainArjun DeyNSF NOIRLab, 950 N. Cherry Ave., Tucson, AZ 85719, U.S.ABiprateep DeyDepartment of Physics & Astronomy and Pittsburgh Particle Physics, Astrophysics, and Cosmology Center (PITT PACC), University of Pittsburgh, 3941 O'Hara Street, Pittsburgh, PA 15260, U.S.AZ. DingDepartment of Astronomy, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, ChinaP. DoelDepartment of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, U.KJ. EdelsteinSpace Sciences Laboratory, University of California, Berkeley, 7 Gauss Way, Berkeley, CA 94720, U.S.ASarah EftekharzadehUniversities Space Research Association, NASA Ames Research Centre, U.S.ADaniel J. EisensteinCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, U.S.AAnn ElliottDepartment of Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, U.S.AP. FagreliusNSF NOIRLab, 950 N. Cherry Ave., Tucson, AZ 85719, U.S.AK. FanningKavli Institute for Particle Astrophysics and Cosmology, Stanford University, Menlo Park, CA 94305, U.S.AS. FerraroLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AJ. ErezaInstituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía, s/n, E-18008 Granada, SpainN. FindlayInstitute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Portsmouth, PO1 3FX, U.KB. FlaugherFermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, U.S.AAndreu Font-RiberaDepartment of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, U.KD. Forero-SánchezInstitute of Physics, Laboratory of Astrophysics, École Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, CH-1290 Versoix, SwitzerlandJ. E. Forero-RomeroDepartamento de Física, Universidad de los Andes, Cra. 1 No. 18A-10, Edificio Ip, CP 111711, Bogotá, ColombiaC. García-QuinteroCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, U.S.ALehman H. GarrisonCenter for Computational Astrophysics, Flatiron Institute, 162 5th Avenue, New York, NY 10010, U.S.AE. GaztañagaInstitut d'Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, SpainHéctor Gil-MarínDepartament de Física Quàntica i Astrofísica, Universitat de Barcelona, Martí i Franquès 1, E08028 Barcelona, SpainSatya Gontcho A GontchoLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AAlma X. González‐MoralesConsejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Colonia Crédito Constructor, Del. Benito Juárez C.P. 03940, México D.F., MéxicoVioleta González-PérezCentro de Investigación Avanzada en Física Fundamental (CIAFF), Facultad de Ciencias, Universidad Autónoma de Madrid, ES-28049 Madrid, SpainC. GordonInstitut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra Barcelona, SpainD. GreenDepartment of Physics and Astronomy, University of California, Irvine, 92697, U.S.AD. GruenExcellence Cluster ORIGINS, Boltzmannstrasse 2, D-85748 Garching, GermanyRafaela GsponerInstitute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Portsmouth, PO1 3FX, U.KG. GutierrezFermi National Accelerator Laboratory, PO Box 500, Batavia, IL 60510, U.S.AJ. GuyLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.ABoryana HadzhiyskaLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AChang Hoon HahnDepartment of Astrophysical Sciences, Princeton University, Princeton NJ 08544, U.S.AM. HanifDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, U.S.AH. K. Herrera-AlcantarDepartamento de Física, Universidad de Guanajuato - DCI, C.P. 37150, Leon, Guanajuato, MéxicoK. HonscheidCenter for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, U.S.ACullan HowlettSchool of Mathematics and Physics, University of Queensland, 4072, AustraliaDragan HutererDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, U.S.AVid IršičInstitute for Fundamental Physics of the Universe, via Beirut 2, 34151 Trieste, ItalyMustapha IshakDepartment of Physics, The University of Texas at Dallas, Richardson, TX 75080, U.S.AS. JuneauNSF NOIRLab, 950 N. Cherry Ave., Tucson, AZ 85719, U.S.ANaim Göksel KaraçaylıCenter for Cosmology and AstroParticle Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, OH 43210, U.S.AS. KentDepartment of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, U.S.AD. KirkbyDepartment of Physics and Astronomy, University of California, Irvine, 92697, U.S.AHui KongInstitut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra Barcelona, SpainS. E. KoposovInstitute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, U.KAnthony KreminLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.AAlex KrolewskiDepartment of Physics and Astronomy, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CanadaYing‐Cheng LaiSchool of Mathematics and Physics, University of Queensland, 4072, AustraliaTing-Wen LanGraduate Institute of Astrophysics and Department of Physics, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, TaiwanMartin LandriauLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, U.S.ADustin LangPerimeter Institute for Theoretical Physics, 31 Caroline St. North, Waterloo, ON N2L 2Y5, CanadaJ. LaskerDepartment of Physics, Southern Methodist University, 3215 Daniel Avenue, Dallas, TX 75275, U.S.AJ.M. Le GoffIRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, FranceL. Le GuillouSorbonne Université, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), FR-75005 Paris, France
2025en
ABI
Аннотация
Abstract We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range 0.1 < z < 2.1 divided into six redshift bins over a ∼ 7,500 square degree footprint, from the first year of observations with the Dark Energy Spectroscopic Instrument (DESI Data Release 1). By fitting the full power spectrum, we extend previous DESI DR1 baryon acoustic oscillation (BAO) measurements to include redshift-space distortions and signals from the matter-radiation equality scale. For the first time, this Full-Shape analysis is blinded at the catalogue-level to avoid confirmation bias and the systematic errors are accounted for at the two-point clustering level, which automatically propagates them into any cosmological parameter. When analysing the data in terms of compressed model-agnostic variables, we obtain a combined precision of 4.7% on the amplitude of the redshift space distortion (RSD) signal reaching a similar precision with just one year of DESI data than with twenty years of observation from the previous generation survey. We also analyse the data to directly constrain the cosmological parameters within the ΛCDM model using perturbation theory and combine this information with the reconstructed DESI DR1 galaxy BAO. Using a Big Bang Nucleosynthesis Gaussian prior on the baryon density parameter, ω b , and a weak Gaussian prior on the spectral index, n s , we constrain the matter density is Ω m = 0.296±0.010 and the Hubble constant H 0 = (68.63 ± 0.79)[km s -1 Mpc -1 ]. Additionally, we measure the amplitude of clustering σ 8 = 0.841±0.034. The DESI DR1 galaxy clustering results are in agreement with the ΛCDM model based on general relativity with parameters consistent with those from Planck . The cosmological interpretation of these results in combination with DESI DR1 Ly-α forest data and external datasets are presented in the companion paper [1].
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