| DR1 Key Project | Coordinator(s) |
| DR1-KP-GC-3: Galaxy clustering catalogues using the DR1 data | Benjamin Granett, Katarina (Dida) Markovic |
| DR1-KP-WL-1: Cosmology with 2pt Shear Statistics | Hendrik Hildebrandt, Christopher Duncan, Laila Linke |
| DR1-KP-WL-2: Internal consistency checks for DR1 cosmology with WL 2pt statistics | Shun-Sheng Li, Benjamin Giblin |
| DR1-KP-WL-4: Luminosity/Stellar Mass – Halo Mass relation from galaxy-galaxy lensing | Eric Jullo |
| DR1-KP-WL-5: The distribution of dark matter around galaxies from galaxy-galaxy lensing | Mike Hudson |
| DR1-KP-WL-7: Cosmology with higher-order weak-lensing statistics using mass mapping | Nicolas Martinet, Cora Uhlemann, Natalia Porqueres |
| DR1-KP-WL-8: Cosmology with 3pt Shear Statistics | Elina Keihanen, Lucas Porth |
| DR1-KP-TH-1: Euclid constraints on extended cosmological models | Marco Baldi, Pedro Carrilho, Guadalupe Cañas Herrera |
| DR1-KP-TH-2: Tests of homogeneity and isotropy | Matteo Martinelli, Domenico Sapone |
| DR1-KP-LU-1: Euclid’s low surface brightness view of the nearby universe from DR1 | Leslie Hunt, Francine Marleau |
| DR1-KP-LU-2: Stellar populations in nearby galaxies from DR1 | Crescenzo Tortora, Karina VOGGEL |
| DR1-KP-LU-3: The Fornax Cluster: New insights from Euclid | Pierre-Alain Duc, Enrichetta Iodice |
| DR1-KP-LU-4: Surface Brightness Fluctuation distances with Euclid | Simona Mei, Rebecca Habas |
| DR1-KP-MW-1: Milky Way Globular Clusters | Soren Larsen, Emanuele Dalessandro |
| DR1-KP-MW-2: Local Volume Resolved Stellar Peripheries | Annette Ferguson, Eduardo Balbinot |
| DR1-KP-SNT-1: Euclid transient search in the Self-Cal field | Isobel Hook, Vincenzo Petrecca |
| DR1-KP-CMBX-2: CMB lensing cross-correlation with Euclid observables | Karim Benabed |
| DR1-KP-CMBX-3: Cosmology with combination of Euclid photometric probes and CMB lensing | Karim Benabed, Louis Legrand, Margherita Lembo |
| DR1-KP-CMBX-4: Hot gas in the cosmic web via TSZ cross-correlation with GC, WL and clusters | Laura Salvati |
| DR1-KP-CMBX-5: Peculiar velocities from CMB-Euclid cross-correlation | Carlos Hernandez-Monteagudo |
| DR1-KP-CL-1: Cosmological constraints from galaxy clusters | Matteo Costanzi, Lauro Moscardini |
| DR1-KP-CL-2: Accurate cluster shear extraction and modelling for Euclid | lorenzo ingoglia, Sebastian Grandis, Lucie Baumont |
| DR1-KP-CL-5: Intracluster Light | Nina Hatch |
| DR1-KP-CL-6: Discovery of Galaxy Protoclusters | Gianluca Castignani, Helmut Dannerbauer |
| DR1-KP-CL-7: Weak Lensing Detection of Galaxy Clusters | Sandrine Pires, Jose M. Diego |
| DR1-KP-GC-1: DR1 combined cosmological parameters from galaxy clustering only | Ariel Sanchez, Emiliano Sefusatti, Chiara Moretti |
| DR1-KP-GC-2: Euclid galaxy clustering validation tests and systematic errors | Pierlugi Monaco, Ilaria Risso |
| DR1-KP-GC-5: Cosmology from full-fit 2pt clustering in the DR1 data | Alkistis Pourtsidou, Alexander Eggemeier |
| DR1-KP-GC-7: Cosmology with cosmic voids | Alice Pisani |
| DR1-KP-SL-1: First catalogue of galaxy scale strong lenses in Q1/DR1 | Thomas Collett, Giulia Despali, Stefan Schuldt |
| DR1-KP-SL-4: Validating the strong lensing cluster analysis with Q1/DR1 data | Massimo Meneghetti, Pietro Bergamini, Ana Acebron |
| DR1-KP-WL-6: The dependence of DM halos on the environment from WL | Pierre Burger, Divya Rana |
| DR1-KP-WL-LE3-1: Performance verification of the photometric products from the Euclid SGS | Samuel Farrens, Niall Jeffrey |
| DR1-KP-GC-4: Cosmology from BAO in 2pt galaxy clustering in the DR1 data | Seshadri Nadathur, Elena sarpa |
| DR1-KP-GC-6: Cosmology with Higher-Order Statistics | Azadeh Moradinezhad Dizgah, Alfonso Veropalumbo |
| DR1-KP-CS-1: Cosmological simulations for Euclid science | Pablo Fosalba |
| DR1-KP-CL-3: Cluster masses and scaling relations in an astrophysical context | Florian Pacaud, Alexandro Saro |
| DR1-KP-CL-4: The DR1 cluster catalogue and its galaxies | Anthony Gonzalez, Sophie Maurogordato |
| DR1-KP-JC-1: Cosmology from combined photometric and spectroscopic probes | Carmelita Carbone, Martin Crocce, Isaac Tutusaus |
| DR1-KP-JC-2: Euclid cosmological constraints from combined photometric probes | Stefano Camera, Alessio Spurio Mancini, Nicolas Tessore |
| DR1-KP-JC-3: Halo mass profiles from combined strong and weak lensing | Raphael Gavazzi, Carlo Giocoli, Mauro Sereno |
| DR1-KP-WL-3: Intrinsic galaxy alignments in Euclid DR1 | Benjamin Joachimi, Romain Paviot |
| DR1-KP-DR-VIS: VIS Processing and Data Products | Henry Joy McCracken |
| DR1-KP-DR-NIR: NIR Processing and Data Products | Gianluca Polenta |
| DR1-KP-DR-OVER: Data Release Overview | Herve Aussel |
| DR1-KP-DR-PHZ-1: Photometric redshifts | Stephane Paltani |
| DR1-KP-DR-SPE: SPE Processing and Data Products | Vincent Le Brun |
| DR1-KP-DR-CA: Calibrations | Mischa Schirmer |
| DR1-KP-DR-SURV:Euclid Surveys | Ismael Tereno |
| DR1-KP-DR-VMPZ: Photometric sample selection and catalogues | Juan Macias-Perez |
| DR1-KP-DR-SIR: SIR Processing and Data Products | Yannick Copin |
| DR-TECH-PLM | Mischa Schirmer |
| DR1-KP-DR-MER: MER Processing and Data Products | Erik Romelli |
| DR1-KP-JC-4: Constraining Baryonic feedback with the DR1 cosmic shear data | Aurel Schneider, Tiago Batalha de Castro, Giovanni Aricò |
| DR1-KP-GC-8: Cosmology from photo-z galaxy clustering in the DR1 data | Davide Sciotti, Anna Porredon |
| DR1-KP-SL-5: Characterising gravitationally lensed sub-mm galaxies in Q1/DR1 | Stephen Serjeant |
| DR1-KP-JL-1: Cosmic Dawn Survey of the Euclid Deep and Auxiliary Fields | Sune Toft, John Weaver |
| DR1-KP-GEV-2: Passive galaxies and quenching | Stephen Eales, Christoph Saulder |
| DR1-KP-GEV-3: Statistical distributions of galaxy properties | Daniela Vergani, Elena Zucca, William Hartley |
| DR1-KP-GEV-4: The baryon cycle through scaling relations | Margherita Talia, Andrea Francesco Maria Enia |
| DR1-KP-GEV-5: The evolution of galaxies in and near extreme density environments (cl/protocl/voids) | Sandro Bardelli, Adam Stanford, Cressida Cleland |
| DR1-KP-GEV-7: AGN demography and AGN/galaxy co-evolution | Akke Viitanen, Laura Bisigello |
| DR1-KP-PU-1: The statistical and physical properties of z > 7 galaxies from Euclid | Christopher Conselice, Marko Shuntov |
| DR1-KP-PU-3: Discovery of high redshift Euclid quasars | Daniel Mortlock, Jan-Torge Schindler |
| DR1-KP-PU-5: Multi-wavelength follow-up of Euclid quasars | Eduardo Banados, Silvia Belladitta |
| DR1-KP-PU-7: Euclid observations of the Cosmic Infrared Background | Asantha Cooray |
| DR1-KP-SL-2: First Catalog of lensed quasars in Q1/DR1 | Eric Slezak, Dominique Sluse |
| DR1-KP-JL-2: The evolution of galaxy morphology and mergers | Jarle Brinchmann |
| DR1-KP-JL-3: The stellar-mass halo-mass relation | Jarle Brinchmann |
| DR1-KP-GEV-1: The Cosmic Web | Andrea Cimatti |
| DR1-KP-GEV-6: Galaxy evolution through clustering analysys | Andrea Cimatti |
| DR1-KP-PU-2: Properties of Lyman alpha emitters at z>6.5 and constraints on the reionisation history | Sune Toft |