Accès ouvert déclaré
2026
article
Euclid : Early Release Observations – Weak gravitational lensing analysis of Abell 2390
T. Schrabback, G. Congedo, R. Gavazzi, W.G Hartley, H. Jansen, Y Kang, F. Kleinebreil, Hakim Atek, E. Bertin, Jean‐Charles Cuillandre, J. M. Diego, S. Grandis, Henk Hoekstra, M Kümmel, Laila Linke, H. Miyatake, N. Okabe, S. Paltani, Marc Schefer, Pardis Simon, F. Tarsitano, A. N. Taylor, J.R Weaver, Rachana Bhatawdekar, Mireia Montes, P. Rosati, Sune Toft, B. Altieri, A. Amara, Luca Amendola, S. Andreon, N. Auricchio, C. Baccigalupi, Marco Baldi, A. Balestra, S. Bardelli, Pietro Battaglia, A. Biviano, E. Branchini, M. Brescia, J. Brinchmann, S. Camera, G Cañas-Herrera, Gian Paolo Candini, V. Capobianco, Chris Carbone, V. F. Cardone, J. Carretero, Santiago Casas, F. J. Castander, M. G. Castellano, G. Castignani, S. Cavuoti, K. C. Chambers, A. Cimatti, C Colodro-Conde, Christopher J. Conselice, L. Conversi, Y. Copin, A. Costille, F. Courbin, H. M. Courtois, M. Cropper, A. Da Silva, H. Degaudenzi, G. De Lucia, H. Dole, M. Douspis, F. Dubath, X. Dupac, S. Dusini, S. Escoffier, M. Farina, R. Farinelli, S. Farrens, F Faustini, S Ferriol, F. Finelli⋆, P Fosalba, M. Frailis, E. Franceschi, M. Fumana, S. Galeotta, Koshy George, W. Gillard, B. Gillis, C. Giocoli, J Gracia-Carpio, A. Grazian, F Grupp, S. V. H. Haugan, W. A. Holmes, I. Hook, F. Hormuth, A. Hornstrup, P. Hudelot, K. Jahnkę, M Jhabvala, Benjamin Joachimi, E. Keihänen, S. Kermiche, M. Kilbinger, B. Kubik, K Kuijken, M. Kunz, H. Kurki‐Suonio, R. Laureijs, A.M.C Le Brun, D. Le Mignant, S. Ligori, P. B. Lilje, V. Lindholm, I. Lloro, G Mainetti, E. Maiorano, O. Mansutti, S Marcin, O. Marggraf, M Martinelli, N. Martinet, F. Marulli, R. Massey, S. Maurogordato, E. Medinaceli, S. Mei, Y Mellier, M. Meneghetti, E. Merlin, G. Meylan, J. J. Mohr, A. Mora, M. Moresco, L. Moscardini, R. Nakajima, C. Neissner, R. C. Nichol, S.-M Niemi, F. Pasian, K. Pedersen, Will J. Percival, V. Pettorino, S. Pires, G. Polenta, M. Poncet, L. Popa, L. Pozzetti, F. Raison, A. Renzi, J. Rhodes, G. Riccio, E. Romelli, M. Roncarelli, C. Rosset, R. P. Saglia, Z. Sakr, D. Sapone, B. Sartoris, M. Schirmer, Peter Schneider, A. Secroun, G. Seidel, M. D. Seiffert, S. Serrano, C. Sirignano, G. Sirri, A. Spurio Mancini, L. Stanco, J Steinwagner, P. Tallada-Crespí, I. Tereno, N Tessore, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, E. A. Valentijn, L. Valenziano, J. Väliviita, T. Vassallo, G. Verdoes Kleijn, A. Veropalumbo, Yun Wang, J. Weller, G. Zamorani, F. M. Zerbi, E. Zucca, M. Bolzonella, C. Burigana, L. Gabarra, J Martín-Fleitas, S Matthew, A Pezzotta, V Scottez, M. Sereno, Matteo Viel, D. Scott
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127Institutions déclarées
21Pays d’affiliation déclarés
Rattachement africain : de, at, gb, fr, ch, es, nl, jp, us, it, dk, pt, no, fi, sk, lb, rs, ca, ro, cl, ru.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The Euclid space telescope of the European Space Agency (ESA) is designed to provide sensitive and accurate measurements of weak gravitational lensing distortions over wide areas on the sky. Here, we present a weak gravitational lensing analysis of early Euclid observations obtained for the field around the massive galaxy cluster Abell 2390 as part of the Euclid Early Release Observations (ERO) programme. We conducted shape measurements for galaxies down to I E ≲ 26.5 using three independent algorithms ( LensMC , KSB+ , and SourceXtractor++ ). Incorporating multi-band photometry from Euclid and Subaru/Suprime-Cam, we estimated photometric redshifts to preferentially select background sources from tomographic redshift bins, for which we calibrated the redshift distributions using the self-organising map approach and data from the Cosmic Evolution Survey (COSMOS). We quantified the residual cluster member contamination and corrected for it in bins of photometric redshift and magnitude using their source density profiles, including corrections for source obscuration and magnification. We reconstructed the cluster mass distribution and jointly fit the tangential reduced shear profiles of the different tomographic bins with spherical Navarro-Frenk-White profile predictions to constrain the cluster mass, finding consistent results for the three shape catalogues and good agreement with earlier measurements. As an important validation test, we compared these joint constraints to mass measurements obtained individually for the different tomographic bins, finding a good level of consistency. More detailed constraints on the cluster properties are presented in a companion paper, which additionally incorporates strong lensing measurements. Our analysis provides a first demonstration of the outstanding capabilities of Euclid for tomographic weak lensing measurements.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.
- Titre Crossref
- <i>Euclid</i>
: Early Release Observations – Weak gravitational lensing analysis of Abell 2390
- Date Crossref
- 01/04/2026
- Éditeur
- EDP Sciences
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Les institutions déclarées
University of BonnUniversität InnsbruckRoyal ObservatoryUK Astronomy Technology CentreCentre National de la Recherche ScientifiqueAix-Marseille UniversitéInstitut d'Astrophysique de ParisSorbonne UniversitéLaboratoire d’Astrophysique de MarseilleChâteau GombertUniversity of GenevaUniversité Paris CitéCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayAstrophysique, Instrumentation et ModélisationCEA Paris-SaclayInstituto de Física de CantabriaLeiden UniversityLudwig-Maximilians-Universität MünchenObayashi (Japan)Kavli Institute for the Physics and Mathematics of the UniverseNagoya UniversityThe University of TokyoHiroshima UniversityHiroshima University of EconomicsEngineering Science Analysis (United States)Institute of Space SciencesUniversity of FerraraOsservatorio di Astrofisica e Scienza dello SpazioUniversity of CopenhagenDAWN Center for Independent LivingUniversity of SurreyHeidelberg UniversityHeidelberg Institute for Theoretical StudiesBrera Astronomical ObservatoryScuola Internazionale Superiore di Studi AvanzatiTrieste Astronomical ObservatoryIstituto Nazionale di Fisica Nucleare, Sezione di TriesteInstitute for Fundamental Physics of the UniverseOsservatorio astronomico di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaOsservatorio Astronomico di PadovaMax Planck Institute for Extraterrestrial PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaAstronomical Observatory of CapodimonteFederico II University HospitalUniversidade do PortoInstitute of Astrophysics and Space SciencesIstituto Nazionale di Fisica Nucleare, Sezione di TorinoOsservatorio Astrofisico di TorinoUniversity of TurinEuropean Space AgencyEuropean Space Research and Technology CentreUniversity College LondonNational Institute for AstrophysicsAstronomical Observatory of RomeIstituto Nazionale di Fisica Nucleare, Sezione di Roma IPort d'Informació CientíficaCentro de Investigaciones Energéticas, Medioambientales y TecnológicasRWTH Aachen UniversityInstitut d'Estudis Espacials de CatalunyaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliNaples Anesthesia & Physician AssociatesUniversity of Hawaii SystemInstituto de Astrofísica de CanariasSKA ObservatoryEuropean Space Research InstituteLyon 1 UniversitéInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonInstitució Catalana de Recerca i Estudis AvançatsInstitut Català de Ciències del ClimaLyon CollegeUniversity of LisbonInstitut d'Astrophysique SpatialeIstituto Nazionale di Fisica Nucleare, Sezione di PadovaCentre de physique des particules de MarseilleInstitute for Space Astrophysics and PlanetologyUnited Kingdom Space AgencyUniversity of OsloJet Propulsion LaboratoryLancaster UniversityFelix ScholarshipTechnical University of DenmarkMax Planck Institute for AstronomyGoddard Space Flight CenterLaboratoire de Physique ThéoriqueHelsinki Institute of PhysicsUniversity of GroningenAstronomical Institute of the Slovak Academy of SciencesUniversité Paris Sciences et LettresObservatoire de ParisLaboratoire Univers et ThéoriesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of MilanIstituto Nazionale di Fisica Nucleare, Sezione di MilanoFHNW University of Applied Sciences and Arts Northwestern SwitzerlandLagrange LaboratoryObservatoire de la Côte d’AzurInternational University of BeirutÉcole Polytechnique Fédérale de LausanneAstronomical ObservatoryInstitute for High Energy PhysicsUniversity of WaterlooPerimeter InstituteCentre National d'Études SpatialesInstitute of Space Science - INFLPR SubsidiaryUniversity of PaduaUniversité Toulouse III - Paul SabatierUniversité Fédérale de Toulouse Midi-PyrénéesUniversity of Saint JosephSt. Joseph Medical CenterInstitut de Recherche en Astrophysique et PlanétologieUniversity of ChilePark UniversityRoyal Holloway University of LondonUniversidad Politécnica de CartagenaCalifornia Institute of TechnologyInfrared Processing and Analysis CenterIstituto di Radioastronomia di BolognaUniversity of OxfordUniversité Catholique de LilleUniversité de LilleComputing CenterUniversity of British Columbia
Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Les sujets associés
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