Accès ouvert déclaré
2025
preprint
Euclid preparation. Predicting star-forming galaxy scaling relations with the spectral stacking code SpectraPyle
Euclid Collaboration, M. Talia, P. Cassata, Sandor Kruk, C. Scarlata, M. Moresco, G Zamorani, X. López López, V Allevato, I.A Zinchenko, M. Siudek, Elisabeta Lusso, S Andreon, C. Baccigalupi, M Baldi, E Branchini, J. Brinchmann, S. Camera, G Cañas-Herrera, J. Carretero, Santiago Casas, M. G. Castellano, G Castignani, S Cavuoti, H. Degaudenzi, S. de la Torre, M. Douspis, M. Farina, R Farinelli, N. Fourmanoit, M. Frailis, K George, W. Gillard, F. Hormuth, M Jhabvala, S. Kermiche, M Kümmel, D. Maino, S Mei, Y Mellier, A. Mora, S. -M. Niemi, C. Padilla, S. Paltani, K Pedersen, V Pettorino, G Polenta, Jason Rhodes, Z. Sakr, P. Schneider, M. D. Seiffert, S Serrano, L. Stančo, J. Steinwagner, P. Tallada-Crespí, I. Tereno, Sune Toft, F. Torradeflot, J Valiviita, A Veropalumbo, Yun Wang, E Zucca, E. Bozzo, C. Burigana, D. Di Ferdinando, J.A. Escartin Vigo, N. Mauri, M. Pöntinen, C. Porciani, M. Tenti, Y Akrami, M Archidiacono, F. Atrio‐Barandela, L Blot, S Borgani, M.L Brown, Anthony Calabro, B. Camacho Quevedo, T. Castro, F Cogato, O. Cucciati, S. Di Domizio, J. M. Diego, A Finoguenov, A. Fontana, K. Ganga, V Gautard, F. Giacomini, M Guidi, C. M. Gutiérrez, C. Hernández–Monteagudo, Y Kang, D Karagiannis, Maria Lembo, G Leroy, J Lesgourgues, A. Loureiro, J. F. Macías–Pérez, L. Maurin, G Morgante, K Naidoo, S Nesseris, K Paterson, D. Potter, P.-F Rocci, M Sahlén, A. Schneider, D Sciotti, L. C. Smith, K Tanidis, C Valieri, P Vielzeuf, N. A. Walton
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166Institutions déclarées
22Pays d’affiliation déclarés
Rattachement africain : it, gb, fr, es, us, de, ro, ch, nl, pt, no, dk, fi, ca, lb, cl, at, jp, sk, au, Afrique du Sud, se.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
We introduce SpectraPyle, a versatile spectral stacking pipeline developed for the Euclid mission's NISP spectroscopic surveys, aimed at extracting faint emission lines and spectral features from large galaxy samples in the Wide and Deep Surveys. Designed for computational efficiency and flexible configuration, SpectraPyle supports the processing of extensive datasets critical to Euclid's non-cosmological science goals. We validate the pipeline using simulated spectra processed to match Euclid's expected final data quality. Stacking enables robust recovery of key emission lines, including Halpha, Hbeta, [O III], and [N II], below individual detection limits. However, the measurement of galaxy properties such as star formation rate, dust attenuation, and gas-phase metallicity are biased at stellar mass below log10(M*/Msol) ~ 9 due to the flux-limited nature of Euclid spectroscopic samples, which cannot be overcome by stacking. The SFR-stellar mass relation of the parent sample is recovered reliably only in the Deep survey for log10(M*/Msol) > 10, whereas the metallicity-mass relation is recovered more accurately over a wider mass range. These limitations are caused by the increased fraction of redshift measurement errors at lower masses and fluxes. We examine the impact of residual redshift contaminants that arises from misidentified emission lines and noise spikes, on stacked spectra. Even after stringent quality selections, low-level contamination (< 6%) has minimal impact on line fluxes due to the systematically weaker emission of contaminants. Percentile-based analysis of stacked spectra provides a sensitive diagnostic for detecting contamination via coherent spurious features at characteristic wavelengths. While our simulations include most instrumental effects, real Euclid data will require further refinement of contamination mitigation strategies.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
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Les institutions déclarées
Osservatorio di Astrofisica e Scienza dello SpazioUniversity of BolognaNational Institute for AstrophysicsUniversity of PaduaOsservatorio Astronomico di PadovaUniversity of OxfordLaboratoire d’Astrophysique de MarseilleChâteau GombertCentre National de la Recherche ScientifiqueAix-Marseille UniversitéEuropean Space Astronomy CentreBrera Astronomical ObservatoryUniversity of MinnesotaCommissariat à l'Énergie Atomique et aux Énergies AlternativesAstrophysique, Instrumentation et ModélisationCEA Paris-SaclayUniversité Paris CitéUniversité Paris-SaclayAstronomical Observatory of CapodimonteLudwig-Maximilians-Universität MünchenInstitute for Space Astrophysics and PlanetologyInstitute of Space SciencesInstituto de Astrofísica de CanariasInstitute of Space Science - INFLPR SubsidiaryTrieste Astronomical ObservatoryThe Open UniversityArcetri Astrophysical ObservatoryUniversity of FlorenceÉcole Polytechnique Fédérale de LausanneUniversity of GroningenUniversité de LilleInstitut d'Astrophysique SpatialeSpace Research Organisation NetherlandsCentre de Recherche en Informatique, Signal et Automatique de LilleÉcole Centrale de LilleUniversity of SurreyScuola Internazionale Superiore di Studi AvanzatiUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteInstitute for Fundamental Physics of the UniverseIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaEuropean Southern ObservatoryUniversidade do PortoInstitute of Astrophysics and Space SciencesEuropean Space AgencyIstituto Nazionale di Fisica Nucleare, Sezione di TorinoOsservatorio Astrofisico di TorinoUniversity of TurinLeiden UniversityEuropean Space Research and Technology CentrePort d'Informació CientíficaCentro de Investigaciones Energéticas, Medioambientales y TecnológicasAstronomical Observatory of RomeIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Hawaii SystemUniversité Bourgogne Franche-ComtéRoyal ObservatoryUniversity of EdinburghUniversity of ManchesterInstitute of Nuclear Physics of LyonEuropean Space Research InstituteInstitut de Physique des 2 Infinis de LyonLyon 1 UniversitéInstitut National de Physique Nucléaire et de Physique des ParticulesInstitució Catalana de Recerca i Estudis AvançatsInstitut Català de Ciències del ClimaInstitut de Ciències del CosmosUniversity of LisbonUniversity of GenevaIstituto Nazionale di Fisica Nucleare, Sezione di PadovaCentre de physique des particules de MarseilleAgenzia Spaziale ItalianaMax Planck Institute for Extraterrestrial PhysicsUniversity of MilanIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of OsloJet Propulsion LaboratoryLancaster UniversityInstitut d'Astrophysique de ParisDAWN Center for Independent LivingTechnical University of DenmarkSorbonne UniversitéMax Planck Institute for AstronomyGoddard Space Flight CenterUniversity College LondonHelsinki Institute of PhysicsUniversity of HelsinkiLaboratoire Univers et ThéoriesSKA ObservatoryCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesFHNW University of Applied Sciences and Arts Northwestern SwitzerlandUniversity of BonnIstituto Nazionale di Fisica Nucleare, Sezione di Roma IDurham UniversityInstitute for High Energy PhysicsUniversity of CopenhagenUniversity of WaterlooPerimeter InstituteCentre National d'Études SpatialesConsejo Superior de Investigaciones CientíficasUniversidad de La LagunaUnidades Centrales Científico-TécnicasInstitut de Recherche en Astrophysique et PlanétologieSaint Joseph UniversityHeidelberg UniversityHeidelberg Institute for Theoretical StudiesUniversity of ChileUniversität InnsbruckInstitut d'Estudis Espacials de CatalunyaCalifornia Institute of TechnologyInfrared Processing and Analysis CenterUniversidad Politécnica de CartagenaUniversity of FerraraIstituto Nazionale di Fisica Nucleare, Sezione di FerraraIstituto di Radioastronomia di BolognaLagrange LaboratoryUniversité Côte d'AzurObservatoire de la Côte d’AzurLaboratoire d’Etudes du Rayonnement et de la Matière en Astrophysique et AtmosphèresUniversité Paris Sciences et LettresSorbonne Paris CitéUniversité Catholique de LilleInstitute for High Performance Computing and NetworkingCase Western Reserve UniversityUniversidad Autónoma de MadridJanssen (France)Max Planck Institute for AstrophysicsTechnical University of MunichUniversidad de SalamancaObservatoire astronomique de StrasbourgUniversité de StrasbourgKavli Institute for the Physics and Mathematics of the UniverseUniversity of California, IrvineInstituto de Física de CantabriaUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceCEA GrenobleCEA CadaracheInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversity of PortsmouthAalto UniversityAstronomical Institute of the Slovak Academy of SciencesRuhr University BochumUniversity of TurkuSerco (United Kingdom)ARC Centre of Excellence for Dark Matter Particle PhysicsSwinburne University of TechnologyUniversity of the Western CapeUniversity of CambridgeUniversity of ZurichStockholm UniversityLaboratoire de Physique Subatomique et de CosmologieImperial College LondonInstitut polytechnique de GrenobleUniversité Grenoble AlpesSapienza University of RomeCentro de Astrofísica da Universidade do PortoCollurania Teramo ObservatoryUppsala UniversityUniversity of SouthamptonPrinceton UniversityUniversity of OuluFlatiron Health (United States)Flatiron Institute
Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Les sujets associés
Spectroscopy and Chemometric AnalysesAstronomy and Astrophysical ResearchSpectroscopy and Laser Applications