Euclid preparation
M. MartinelliNational Institute for AstrophysicsA. PezzottaINAF-Osservatorio Astronomico di BreraD. SciottiINAF-Osservatorio Astronomico di RomaL. BlotLaboratoire Univers et Théorie, Observatoire de Paris, Université PSL, Université Paris Cité, CNRSMarco BoniciWaterloo Centre for Astrophysics, University of WaterlooS. CameraINAF-Osservatorio Astrofisico di TorinoG Cañas-HerreraLeiden Observatory, Leiden UniversityV. F. CardoneINAF-Osservatorio Astronomico di RomaP. CarrilhoInstitute for Astronomy, University of EdinburghSantiago CasasInstitute for Theoretical Particle Physics and Cosmology (TTK), RWTH Aachen UniversityS. DaviniINFN-Sezione di GenovaS. Di DomizioDipartimento di Fisica, Università di GenovaS. FarrensCommissariat à l'Énergie Atomique et aux Énergies AlternativesL. W. K. GohAstrophysique, Instrumentation et ModélisationS. Gouyou BeauchampsInstitut d’Estudis Espacials de Catalunya (IEEC), Edifici RDIT, Campus UPCS. IlićLaboratoire de Physique des 2 Infinis Irène Joliot-CurieShahab JoudakiCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)F. KeilInstitut de Recherche en Astrophysique et Planétologie (IRAP), Université de Toulouse, CNRS, UPS, CNESA. M. C. Le BrunLaboratoire d’etude de l’Univers et des phenomenes eXtremes, Observatoire de Paris, Université PSL, Sorbonne Université, CNRSClaudio MorettiINAF-Osservatorio Astronomico di TriesteV. PettorinoEuropean Space Research and Technology CentreAriel G. SánchezMax Planck Institute for Extraterrestrial PhysicsZ. SakrHeidelberg Institute for Theoretical StudiesK. TanidisDepartment of Physics, Oxford UniversityI. TutusausInstitut de Recherche en Astrophysique et PlanétologieVirginia AjaniLINKS FoundationM. CrocceInstitut d’Estudis Espacials de Catalunya (IEEC), Edifici RDIT, Campus UPCC. GiocoliINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaL. LegrandM LemboDipartimento di Fisica e Scienze della Terra, Università degli Studi di FerraraG. F. LesciDipartimento di Fisica e Astronomia “Augusto Righi” – Alma Mater Studiorum Università di BolognaD. Navarro-GironésLeiden Observatory, Leiden UniversityA. Nouri-ZonozLaboratoire de Physique ThéoriqueS. PamukInstituto de Física de Cantabria, Edificio Juan JordáM. TsedrikHiggs Centre for Theoretical Physics, School of Physics and Astronomy, The University of EdinburghJ. BelAix-Marseille Université, Université de Toulon, CNRS, CPTC. CarboneINAF-IASF MilanoC. A. J. DuncanJodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, University of ManchesterM. KilbingerUniversité Paris-SaclayF. LacasaUniversité Libre de Bruxelles (ULB)M. LattanziIstituto Nazionale di Fisica Nucleare, Sezione di FerraraD. SaponeDepartamento de Física, FCFM, Universidad de ChileE. SellentinLeiden Observatory, Leiden UniversityP. L. TaylorCenter for Cosmology and AstroParticle Physics, The Ohio State UniversityN. AghanimUniversité Paris-Saclay, CNRS, Institut d’astrophysique spatialeB AltieriESAC/ESALuca AmendolaInstitut für Theoretische Physik, University of HeidelbergS. AndreonINAF-Osservatorio Astronomico di BreraN. AuricchioINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaC. BaccigalupiINFN, Sezione di TriesteMarco BaldiDipartimento di Fisica e Astronomia, Università di BolognaA. BalestraINAF-Osservatorio Astronomico di PadovaS. BardelliINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaP. BattagliaINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaR. BenderUniversitäts-Sternwarte München, Fakultät für Physik, Ludwig-Maximilians-Universität MünchenA. BivianoINAF-Osservatorio Astronomico di TriesteA. BonchiUnited Kingdom Space AgencyD. BoninoINAF-Osservatorio Astrofisico di TorinoE. BranchiniDipartimento di Fisica, Università di GenovaM. BresciaDepartment of Physics “E. Pancini”, University Federico IIJ. BrinchmannFaculdade de Ciências da Universidade do PortoV. CapobiancoINAF-Osservatorio Astrofisico di TorinoJ. CarreteroCentro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)M. CastellanoINAF-Osservatorio Astronomico di RomaG. CastignaniINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaS. CavuotiINAF-Osservatorio Astronomico di CapodimonteK. C. ChambersInstitute for Astronomy, University of HawaiiA. CimattiDipartimento di Fisica e Astronomia “Augusto Righi” – Alma Mater Studiorum Università di BolognaC. Colodro-CondeInstituto de Astrofísica de CanariasG. CongedoInstitute for Astronomy, University of EdinburghChristopher J. ConseliceJodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, University of ManchesterL. ConversiEuropean Space Research InstituteY. CopinInstitut de Physique des 2 Infinis de LyonH. M. CourtoisLyon CollegeA. Da SilvaInstituto de Astrofísica e Ciências do Espaço, Faculdade de Ciências, Universidade de LisboaH DegaudenziDepartment of Astronomy, University of GenevaS. de la TorreAix-Marseille Université, CNRS, CNES, LAMG. De LuciaINAF-Osservatorio Astronomico di TriesteA. M. Di GiorgioINAF-Istituto di Astrofisica e Planetologia SpazialiH. DoleUniversité Paris-SaclayF. DubathDepartment of Astronomy, University of GenevaX DupacESAC/ESAS. DusiniINFN-PadovaA. EaletUniversité Claude Bernard Lyon 1, CNRS/IN2P3, IP2I Lyon, UMR 5822S. EscoffierCentre de physique des particules de MarseilleM. FarinaINAF-Istituto di Astrofisica e Planetologia SpazialiR. FarinelliINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaF FaustiniINAF-Osservatorio Astronomico di RomaS. FerriolInstitut de Physique des 2 Infinis de LyonF. Finelli⋆INAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaP. FosalbaInstitute of Space Sciences (ICE, CSIC), Campus UABS. FotopoulouBristol Robotics LaboratoryN. FourmanoitAix-Marseille Université, CNRS/IN2P3, CPPMM. FrailisINAF-Osservatorio Astronomico di TriesteE. FranceschiINAF-Osservatorio di Astrofisica e Scienza dello Spazio di BolognaM. FumanaINAF-IASF MilanoS. GaleottaINAF-Osservatorio Astronomico di TriesteKoshy GeorgeUniversitäts-Sternwarte München, Fakultät für Physik, Ludwig-Maximilians-Universität MünchenW. GillardCentre de physique des particules de MarseilleB GillisInstitute for Astronomy, University of Edinburgh
2026en
ABI
Аннотация
The Euclid satellite will provide data on the clustering of galaxies and on the distortion of their measured shapes, which can be used to constrain and test the cosmological model. However, the increase in precision places strong requirements on the accuracy of the theoretical modelling for the observables and of the full analysis pipeline. In this paper, we investigate the accuracy of the calculations performed by the Cosmology Likelihood for Observables in Euclid ( CLOE ), software able to handle both the modelling of observables and their fit against observational data for both the photometric and spectroscopic surveys of Euclid , by comparing the output of CLOE with external codes used as benchmarks. We perform such a comparison on the quantities entering the calculations of the observables, as well as on the final outputs of these calculations. Our results highlight the high accuracy of CLOE when comparing its calculation against external codes for Euclid observables on an extended range of operative cases. In particular, all the summary statistics of interest always differ less than 0.1 σ from the chosen benchmark, and CLOE predictions are statistically compatible with simulated data obtained from benchmark codes. The same holds for the comparison of the correlation function in configuration space for spectroscopic and photometric observables.
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