Accès ouvert déclaré
2025
article
Euclid preparation
M Urbano, Pierre–Alain Duc, M. Poulain, A. Nucita, A. Venhola, O. Marchal, M. Kümmel, Hui Kong, Franca Soldano, E. Romelli, M. Walmsley, T. Saifollahi, Karina Voggel, A. Lançon, F. Marleau, Elisabeth Sola, L. K. Hunt, J. Junais, D. Carollo, P. M. Sánchez-Alarcón, M. Baes, F. Buitrago, Michele Cantiello, J.-C. Cuillandre, H. Domínguez Sánchez, A. Ferré-Mateu, A Franco, J. Gracia-Carpio, Rebecca Habas, M. Hilker, E. Iodice, J. H. Knapen, M.N Le, D. Martínez-Delgado, Oliver Müller, F. De Paolis, P. Papaderos, R Ragusa, J. Román, Elham Saremi, V. Testa, B. Altieri, Luca Amendola, S. Andreon, N. Auricchio, C. Baccigalupi, M. Baldi, S Bardelli, P Battaglia, A. Biviano, E. Branchini, M Brescia, S Camera, G Cañas-Herrera, V. Capobianco, C. Carbone, Juan Miró-Carretero, S. Casas, M. Castellano, G. Castignani, S Cavuoti, A Cimatti, C. Colodro-Conde, G. Congedo, Christopher J. Conselice, L. Conversi, Y. Copin, F. Courbin, H. M. Courtois, M. Cropper, A. Da Silva, H. Degaudenzi, G. De Lucia, H. Dole, F. Dubath, C. A. J. Duncan, X. Dupac, S. Dusini, S. Escoffier, M. Farina, R. Farinelli, S. Ferriol, F. Finelli⋆, M. Frailis, E. Franceschi, M. Fumana, S. Galeotta, Koshy George, B. Gillis, C. Giocoli, A. Grazian, F. Grupp, L. Guzzo, S. V. H. Haugan, W Holmes, I. Hook, F. Hormuth, A. Hornstrup, K Jahnke, M. Jhabvala, Benjamin Joachimi, E Keihänen, S. Kermiche, A. Kiessling, B. Kubik, M Kunz, H Kurki-Suonio, R. Laureijs, A.M.C Le Brun, S Ligori, P. B. Lilje, V. Lindholm, I. Lloro, G. Mainetti, D. Maino, E. Maiorano, O Mansutti, O. Marggraf, M. Martinelli, N. Martinet, F. Marulli, R. Massey, E Medinaceli, S. Mei, Y Mellier, M. Meneghetti, E. Merlin, G. Meylan, A. Mora, M. Moresco, L. Moscardini, R. Nakajima, C. Neissner, S.-M. Niemi, C. Padilla, S. Paltani, F. Pasian, K. Pedersen, V. Pettorino, S. Pires, G Polenta, M. Poncet, L. A. Popa, L. Pozzetti, F. Raison, R. Rebolo, A. Renzi, J. Rhodes, G. Riccio, M. Roncarelli, R. Saglia, Z Sakr, D. Sapone, B Sartoris, Peter Schneider, T. Schrabback, A. Secroun, G. Seidel, S. Serrano, P. Šimon, C Sirignano, G Sirri, L. Stanco, J.-L. Starck, J. Steinwagner, P. Tallada-Crespí, A. J. Taylor, Harry I. Teplitz, I. Tereno, N Tessore, Sune Toft, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, L Valenziano, J. Valiviita, T. Vassallo, G. Verdoes Kleijn, A Veropalumbo, Yun Wang, J. Weller, G. Zamorani, I. A. Zinchenko, E. Zucca, M Ballardini, M. Bolzonella, E. Bozzo, C. Burigana, R. Cabanac, A. Cappi, D. Di Ferdinando, J.A. Escartin Vigo, L. Gabarra, J. Martín-Fleitas, S Matthew, N. Mauri, R. B. Metcalf, A Pezzotta, M. Pöntinen, C Porciani, I Risso, V. Scottez, M. Sereno, M Tenti, M Viel, M. Wiesmann, Y. Akrami, I.T Andika, S Anselmi, M. Archidiacono, F. Atrio‐Barandela, Daniele Bertacca, M. Béthermin, A. Blanchard, Lilian Blot, Marco Bonici, S Borgani, Michael D. Brown, S Bruton, Antonello Calabrò, B. Camacho Quevedo, F Caro, C. S. Carvalho, T. Castro, F Cogato, Simon Conseil, Asantha Cooray, O. Cucciati, S. Davini, G. Desprez, A. Díaz‐Sánchez, J.J Diaz, S. Di Domizio, J. M. Diego, M.Y Elkhashab, A Enia, Y D Fang, A.G Ferrari, A. Finoguenov, K. Ganga, J. García-Bellido, T Gasparetto, V Gautard, E. Gaztanaga, F. Giacomini, F. Gianotti, G. Gozaliasl, M Guidi, C. M. Gutiérrez, A Hall, H Hildebrandt, J. Hjorth, J. J. E. Kajava, Y Kang, V. Kansal, D Karagiannis, K Kiiveri, J. Kim, C. Kirkpatrick, Sandor Kruk, J Le Graet, L Legrand, M Lembo, Francesca Lepori, Gavin Leroy, G. F. Lesci, J Lesgourgues, L. Leuzzi, T.I Liaudat, A. Loureiro, J. F. Macías–Pérez, G. Maggio, M. Magliocchetti, F. Mannucci, R. Maoli, C. J. A. P. Martins, L. Maurin, M Miluzio, Pierluigi Monaco, Claudio Moretti, G. Morgante, Krishna Naidoo, A. Navarro-Alsina, Savvas Nesseris, D. Paoletti, F Passalacqua, K Paterson, L. Patrizii, A. Pisani, D. Potter, S Quai, M Radovich, G. Rodighiero, S Sacquegna, M Sahlén, D. B. Sanders, E Sarpa, Aurel Schneider, D Sciotti, E. Sellentin, Leigh C. Smith, J. G. Sorce, G. Testera, C. Tao, G. Testera, R Teyssier, S. Tosi, A Troja, M. Tucci, C Valieri, D. Vergani, G Verza, P Vielzeuf, N. A. Walton
1Citations signalées, ce qui n’est pas une note de qualité
156Institutions déclarées
26Pays d’affiliation déclarés
Rattachement africain : fr, au, it, de, es, ca, gb, at, ru, be, pt, ch, nl, us, rs, no, dk, fi, sk, lb, ro, cl, jp, Afrique du Sud, se, uz.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Local Universe dwarf galaxies can serve as both cosmological and mass assembly probes. Deep surveys have enabled the study of these objects down to the low surface brightness (LSB) regime. In this paper, we estimate Euclid ’s dwarf detection capabilities as well as limits of its MERge processing function (MER pipeline), which is responsible for producing the stacked mosaics and final catalogues. To do this, we injected mock dwarf galaxies in a real Euclid Wide Survey (EWS) field in the VIS band and compared the input catalogue to the final MER catalogue. The mock dwarf galaxies were generated using simple Sérsic models with structural parameters (including size and surface brightness) drawn from observed dwarf galaxy catalogues. These simulations represent an idealised case in the sense they do not account for additional factors such as ellipticity, morphology, or crowding. To characterise the detected dwarfs, we used the mean surface brightness inside the effective radius SB e (in mag arcsec −2 ). The final MER catalogues achieve a completenesses of 91% for SB e ∈ [21, 24] and 54% for SB e ∈ [24, 28]. These numbers do not take into account possible contaminants, including confusion with background galaxies at the location of the dwarfs. After taking those effects into account, they respectively became 86% and 38%. The MER pipeline performs a final local background subtraction with a small mesh size, leading to a flux loss for galaxies with R e > 10″. By using the final MER mosaics and reinjecting this local background, we obtained an image in which we recover reliable photometric properties for objects under the arcminute scale. This background-reinjected product is thus suitable for the study of Local Universe dwarf galaxies. Euclid ’s data reduction pipeline serves as a test bed for other deep surveys, particularly regarding background subtraction methods, a key issue in LSB science.
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>
preparation
- Date Crossref
- 01/03/2026
- 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
Observatoire astronomique de StrasbourgAstronomy and SpaceUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceLudwig-Maximilians-Universität MünchenInstitute for High Energy PhysicsCentre National de la Recherche ScientifiqueInstitut d'Astrophysique de ParisSorbonne UniversitéTrieste Astronomical ObservatoryUniversity of TorontoSKA ObservatoryUniversität InnsbruckUniversity of CambridgeInstitute of AstronomyArcetri Astrophysical ObservatoryUniversidad de La LagunaInstituto de Astrofísica de CanariasGhent UniversityUniversidad de ValladolidInstitute of Astrophysics and Space SciencesCollurania Teramo ObservatoryUniversité Paris CitéCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayAstrophysique, Instrumentation et ModélisationCEA Paris-SaclayInstituto de Física de CantabriaMax Planck Institute for Extraterrestrial PhysicsAstronomical Observatory of CapodimonteInstituto de Astrofísica de AndalucíaÉcole Polytechnique Fédérale de LausanneUniversidad Complutense de MadridUniversity of SouthamptonAstronomical Observatory of RomeNational Institute for AstrophysicsEuropean Space Astronomy CentreHeidelberg UniversityHeidelberg Institute for Theoretical StudiesBrera Astronomical ObservatoryOsservatorio di Astrofisica e Scienza dello SpazioScuola Internazionale Superiore di Studi AvanzatiIstituto Nazionale di Fisica Nucleare, Sezione di TriesteInstitute for Fundamental Physics of the UniverseOsservatorio astronomico di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaFederico II University HospitalIstituto Nazionale di Fisica Nucleare, Sezione di TorinoOsservatorio Astrofisico di TorinoUniversity of TurinLeiden UniversityEuropean Space AgencyEuropean Space Research and Technology CentrePort d'Informació CientíficaCentro de Investigaciones Energéticas, Medioambientales y TecnológicasRWTH Aachen UniversityIstituto Nazionale di Fisica Nucleare, Sezione di NapoliNaples Anesthesia & Physician AssociatesRoyal ObservatoryUniversity of EdinburghLyon 1 UniversitéInstitut de Physique des 2 Infinis de LyonInstitució Catalana de Recerca i Estudis AvançatsInstitut Català de Ciències del ClimaInstitute of Nuclear Physics of LyonUniversity College LondonUniversity of LisbonUniversity of GenevaInstitut d'Astrophysique SpatialeIstituto Nazionale di Fisica Nucleare, Sezione di PadovaAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitute for Space Astrophysics and PlanetologyAstronomical ObservatoryOsservatorio Astronomico di PadovaUniversity of MilanIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of OsloJet Propulsion LaboratoryLancaster UniversityFelix ScholarshipDAWN Center for Independent LivingTechnical 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 LettresCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of BonnIstituto Nazionale di Fisica Nucleare, Sezione di Roma IInternational University of BeirutUniversity of CopenhagenUnited Kingdom Space AgencyCentre National d'Études SpatialesInstitute of Space Science - INFLPR SubsidiaryConsejo Superior de Investigaciones CientíficasUnidades Centrales Científico-TécnicasUniversity 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 UniversityInstitut d'Estudis Espacials de CatalunyaInstitute of Space SciencesCalifornia Institute of TechnologyInfrared Processing and Analysis CenterUniversidad Politécnica de CartagenaUniversity of FerraraIstituto Nazionale di Fisica Nucleare, Sezione di FerraraIstituto di Radioastronomia di BolognaUniversité Côte d'AzurObservatoire de la Côte d’AzurUniversity of OxfordUniversité Catholique de LilleComputing CenterCase Western Reserve UniversityMax Planck Institute for AstrophysicsTechnical University of MunichSorbonne Paris CitéUniversidad de SalamancaKavli Institute for the Physics and Mathematics of the UniverseUniversity of WaterlooUniversity of California, IrvineInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversity of PortsmouthAalto UniversityUniversity of TurkuARC Centre of Excellence for Dark Matter Particle PhysicsSwinburne University of TechnologyUniversity of the Western CapeUniversity of ZurichDurham UniversityStockholm UniversityImperial College LondonInstitut polytechnique de GrenobleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversité Grenoble AlpesSapienza University of RomeCentro de Astrofísica da Universidade do PortoCentre for Theoretical Physics and AstrophysicsUniversity of Hawaii SystemMathematical Institute of the Slovak Academy of SciencesCentre de Recherche en Informatique, Signal et Automatique de LilleÉcole Centrale de LillePrinceton UniversityFlatiron Health (United States)Flatiron Institute
Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Les sujets associés
Galaxies: Formation, Evolution, PhenomenaAstronomy and Astrophysical ResearchGamma-ray bursts and supernovae