<i>Euclid</i> preparation

Context. The European Space Agency’s Euclid mission is one of a raft of forthcoming large-scale cosmology surveys that will map the large-scale structure in the Universe with unprecedented precision. The mission will collect a vast amount of data that will be processed and analysed by Euclid ’s Science Ground Segment (SGS). The development and validation of the SGS pipeline requires state-of-the-art simulations with a high level of complexity and accuracy that include subtle instrumental features not accounted for previously as well as faster algorithms for the large-scale production of the expected Euclid data products. Aims. In this paper, we present the Euclid SGS simulation framework as it is applied in a large-scale end-to-end simulation exercise named Science Challenge 8. Our simulation pipeline enables the swift production of detailed image simulations for the construction and validation of the Euclid mission during its qualification phase and will serve as a reference throughout operations. Methods. Our end-to-end simulation framework started with the production of a large cosmological N-body simulation that we used to construct a realistic galaxy mock catalogue. We performed a selection of galaxies down to I E =26 and 28 mag, respectively, for a Euclid Wide Survey spanning 165 deg 2 and a 1 deg 2 Euclid Deep Survey. We built realistic stellar density catalogues containing Milky Way-like stars down to H &lt; 26 from a combination of a stellar population synthesis model of the Galaxy and real bright stars. Using the latest instrumental models for both the Euclid instruments and spacecraft as well as Euclid -like observing sequences, we emulated with high fidelity Euclid satellite imaging throughout the mission’s lifetime. Results. We present the SC8 dataset, consisting of overlapping visible and near-infrared Euclid Wide Survey and Euclid Deep Survey imaging and low-resolution spectroscopy along with ground-based data in five optical bands. This extensive dataset enables end-to-end testing of the entire ground segment data reduction and science analysis pipeline as well as the Euclid mission infrastructure, paving the way for future scientific and technical developments and enhancements.

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Publication Details

Journal
Astronomy and Astrophysics
Published
2024-08-19
DOI
https://doi.org/10.1051/0004-6361/202349128
Citations
9
Primary Topic
Galaxies: Formation, Evolution, Phenomena
Type
article
Field-Weighted Citation Impact
2.98

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article

Euclid preparation

G. Seidel, R. P. Saglia, V. Lindholm, A. Grazian et al.
9 citations
Astronomy and Astrophysics
Galaxies: Formation, Evolution, Phenomena
2.98
article

Euclid preparation

G. Seidel, R. P. Saglia, V. Lindholm, A. Grazian, P. Tallada-Crespí, P. Hudelot, G. Riccio, L. Conversi, M. Schirmer, T. Auphan, C. Sirignano, M. Brescia, I. Hook, M. Kunz, I. Ferrero, D Sapone, B. Joachimi, A. Blanchard, Jean‐Luc Starck, M. Scodeggio, M Kümmel, E. Gaztanaga, S Bardelli, J. Steinwagner, J. García-Bellido, S. Borgani, N. Mauri, C. Giocoli, J. F. Macías–Pérez, F. Courbin, M. Migliaccio, Pietro Battaglia, P. Schneider, Joachim Stadel, Santiago Casas, A. Biviano, F. Torradeflot, A. Díaz‐Sánchez, G. Gozaliasl, M. Tewes, Pierluigi Monaco, S. Bardelli, O Marggraf, G. Desprez, A Montoro, E. Munari, M. Magliocchetti, Alberto Basset, C.J.A.P. Martins, S. Nadathur, A.M Di Giorgio, V. Capobianco, Q Le Boulc'H, S.-M Niemi, G. Polenta, L. Gabarra, S. Farrens, C. J. A. P. Martins, M. Magliocchetti, E. Zucca, S. Pires, S. Maurogordato, S. V. H. Haugan, R. Massey, T. Vassallo, R. Teyssier, S. Dusini, I. Tutusaus, S. Paltani, M. Cropper, R. Toledo-Moreo, S Bruton, M. Moresco, V. Scottez, J. Skottfelt, B. R. Granett, W. Holmes, T. Castro, M. Meneghetti, D. Bonino, M. Castellano, E. Bozzo, A. Kiessling, L. Valenziano, J. Zoubian, H. Dole, M. Martinelli, H. Bretonnière, P. Franzetti, C. Burigana, Christopher J. Conselice, Henk Hoekstra, I.A Zinchenko, G. Zamorani, G. Morgante, V. Allevato, N. Aghanim, W. Gillard, J. Carretero, S. Escoffier, C. Padilla Aranda, K. George, B. Gillis, Eric Jullo, B. Clément, M. Roncarelli, F. Dubath, H. Degaudenzi, E. Maiorano, A. Hornstrup, L. Conversi, E. Rossetti, E. Medinaceli, R. Fahed, A. Amara, M. Pöntinen, T. Kitching, F. Bernardeau, K. Jahnkę, V. Pettorino, B. Altieri, M. Farina, K. Okumura, F. Pasian, A. Venhola, C.A.J Duncan, V. Kansal, J. Weller, S. Ligori, F. Grupp, F. Giacomini, P. Liebing, A. Zacchei, J. Davies, E. Franceschi, E. A. Valentijn, A. Cappi, Marco Baldi, K. Pedersen, Ariel G. Sánchez, N. Martinet, S. Dusini, J. Graciá-Carpio, A. A. Nucita, F. Torradeflot, S. Paltani, B. Garilli, S. Camera, Z. Sakr, J. J. Mohr, B. Rusholme, I. Lloro, F. Finelli⋆, J. Dinis, M. Sauvage, R Farinelli, M. Sereno, O. Ilbert, M. Cropper, R. Nakajima, E. Keihänen, E Branchini, Koshy George, E. Romelli, S. Cavuoti, M. Melchior, M. Frailis, D. Laugier, A. Spurio Mancini, P. Šimon, C. Carbone, S. Kermiche, H.I Teplitz, Arthur Loureiro, G. Meylan, S. Desai, Sune Toft, O. Mansutti, F Dubath, P. B. Lilje, A. Shulevski, J. Coupon, A Veropalumbo, V. Popa, Gian Paolo Candini, D. Potter, C. Burigana, C. Porciani, C. S. Carvalho, Alejandro S. Borlaff, L. Pozzetti, N. Auricchio, Y. Akrami, C. Bodendorf, A. Verderi, Yun Wang, A. Da Silva, K. Ganga, L. Maurin, D. Benielli, B. Sartoris, D. Maino, X. Dupac, T. Nutma, S Marcin, M. Tenti, L. Popa, C. Rosset, D. Di Ferdinando, I. Tereno, G. Morgante, L. A. Popa, L. Stanco, S. Casas, E. Merlin, R. Cledassou, H. Kurki‐Suonio, M. Tucci, P. Hudelot, S. Davini, M. Crocce, R. Kohley, S. Mei, N. Aghanim, J. Rhodes, C. Neissner, A. N. Taylor, F. Raison, J.A. Escartin Vigo, G Mainetti, J Valiviita, G. Congedo, N. Fourmanoit, Stéphane Huot, Y. Mellier, C. Baccigalupi, P. W. Morris, S. Ferriol, A. Renzi
article en
9 citations

Abstract

Context. The European Space Agency’s Euclid mission is one of a raft of forthcoming large-scale cosmology surveys that will map the large-scale structure in the Universe with unprecedented precision. The mission will collect a vast amount of data that will be processed and analysed by Euclid ’s Science Ground Segment (SGS). The development and validation of the SGS pipeline requires state-of-the-art simulations with a high level of complexity and accuracy that include subtle instrumental features not accounted for previously as well as faster algorithms for the large-scale production of the expected Euclid data products. Aims. In this paper, we present the Euclid SGS simulation framework as it is applied in a large-scale end-to-end simulation exercise named Science Challenge 8. Our simulation pipeline enables the swift production of detailed image simulations for the construction and validation of the Euclid mission during its qualification phase and will serve as a reference throughout operations. Methods. Our end-to-end simulation framework started with the production of a large cosmological N-body simulation that we used to construct a realistic galaxy mock catalogue. We performed a selection of galaxies down to I E =26 and 28 mag, respectively, for a Euclid Wide Survey spanning 165 deg 2 and a 1 deg 2 Euclid Deep Survey. We built realistic stellar density catalogues containing Milky Way-like stars down to H &lt; 26 from a combination of a stellar population synthesis model of the Galaxy and real bright stars. Using the latest instrumental models for both the Euclid instruments and spacecraft as well as Euclid -like observing sequences, we emulated with high fidelity Euclid satellite imaging throughout the mission’s lifetime. Results. We present the SC8 dataset, consisting of overlapping visible and near-infrared Euclid Wide Survey and Euclid Deep Survey imaging and low-resolution spectroscopy along with ground-based data in five optical bands. This extensive dataset enables end-to-end testing of the entire ground segment data reduction and science analysis pipeline as well as the Euclid mission infrastructure, paving the way for future scientific and technical developments and enhancements.

Astronomy and AstrophysicsVol. 690
Université Claude Bernard Lyon 1 (FR), Institut polytechnique de Grenoble (FR), University of Geneva (CH), University of Rome Tor Vergata (IT), Leiden University (NL), California Institute of Technology (US), University of Copenhagen (DK), Ames Research Center (US), Centre National de la Recherche Scientifique (FR), University of Minnesota (US), Institute of Space Sciences (ES), University of Hawaii System (US), Jet Propulsion Laboratory (US), University of Helsinki (FI), Université Toulouse III - Paul Sabatier (FR), Consejo Superior de Investigaciones Científicas (ES), University of Bonn (DE), Scuola Internazionale Superiore di Studi Avanzati (IT), University of Padua (IT), University of Lisbon (PT), University of Trieste (IT), University of Salento (IT), University of Waterloo (CA), University of Turku (FI), Scuola Normale Superiore (IT), Universidad de La Laguna (ES), Stockholm University (SE), University of Groningen (NL), Université Fédérale de Toulouse Midi-Pyrénées (FR), Universidade do Porto (PT), Perimeter Institute (CA), Saint Joseph University (LB), University of Oslo (NO), University of California, Santa Cruz (US), Institute for High Energy Physics (ES), University of Milan (IT), Durham University (GB), Universität Innsbruck (AT), Princeton University (US), University of Ferrara (IT), Université Côte d'Azur (FR), University of Zurich (CH), The Open University (GB), University of California, Irvine (US), Aarhus University (DK), Université Paris Cité (FR), Aix-Marseille Université (FR), Heidelberg University (DE), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris Sciences et Lettres (FR), Université Paris-Saclay (FR), Centre National d'Études Spatiales (FR), Helsinki Institute of Physics (FI), Astronomical Observatory of Rome (IT), Agenzia Spaziale Italiana (IT), Trieste Astronomical Observatory (IT), Institut d'Astrophysique de Paris (FR), Astronomical Observatory of Capodimonte (IT), Laboratoire AstroParticule et Cosmologie (FR), Brera Astronomical Observatory (IT), University of Manchester (GB), École Normale Supérieure - PSL (FR), FHNW University of Applied Sciences and Arts Northwestern Switzerland (CH), Universidad Politécnica de Cartagena (ES), Sorbonne Université (FR), University of Oxford (GB), Astrophysique, Instrumentation et Modélisation (FR), Institute of Astrophysics and Space Sciences (PT), Max Planck Institute for Extraterrestrial Physics (DE), Institut d'Estudis Espacials de Catalunya (ES), European Space Astronomy Centre (ES), Kavli Institute for Particle Astrophysics and Cosmology (US), Istituto Nazionale di Fisica Nucleare, Sezione di Lecce (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Torino (IT), Institute for Space Astrophysics and Planetology (IT), Institut d'Astrophysique Spatiale (FR), École Normale Supérieure (BI), Laboratoire d’Etudes du Rayonnement et de la Matière en Astrophysique et Atmosphères (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Osservatorio Astrofisico di Torino (IT), Royal Observatory (GB), Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Napoli (IT), Centro de Astrofísica da Universidade do Porto (PT), Max Planck Institute for Astronomy (DE), Istituto di Radioastronomia di Bologna (IT), Federico II University Hospital (IT), Université Bourgogne Franche-Comté (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Genova (IT), Observatoire de la Côte d’Azur (FR), CEA Paris-Saclay (FR), Instituto de Astrofísica de Canarias (ES), Institut National de Physique Nucléaire et de Physique des Particules (FR), von Hoerner & Sulger (Germany) (DE), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (IT), Institute of Space Science - INFLPR Subsidiary (RO), Centre de Calcul de l’Institut National de Physique Nucléaire et de Physique des Particules (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Port d'Informació Científica (ES), Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (IT), Institute for Fundamental Physics of the Universe (IT), Damien Foundation (BD), Istituto Nazionale di Fisica Nucleare, Sezione di Roma I (IT), Osservatorio Astronomico di Padova (IT), Institut de Physique Théorique (FR), European Space Research Institute (IT), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (ES), Institut de Recherche en Astrophysique et Planétologie (FR), Infrared Processing and Analysis Center (US), Osservatorio di Astrofisica e Scienza dello Spazio, European Space Research and Technology Centre (NL), University College London (GB), Imperial College London (GB), École Polytechnique Fédérale de Lausanne (CH), University of Turin (IT), Case Western Reserve University (US), University of Portsmouth (GB), Universidad Autónoma de Madrid (ES), Indian Institute of Technology Hyderabad (IN), Saint Mary's University (CA), Lancaster University (GB), University of Chile (CL), Heidelberg Institute for Theoretical Studies (DE), Ludwig-Maximilians-Universität München (DE), University of Genoa (IT), Sapienza University of Rome (IT), National Institute for Astrophysics (IT), RWTH Aachen University (DE), Université Grenoble Alpes (FR), Ruhr University Bochum (DE), Netherlands Institute for Radio Astronomy (NL), University of Bologna (IT), Universitat Politècnica de Catalunya (ES), Technical University of Denmark (DK), Stanford University (US), University of Oulu (FI), University of Edinburgh (GB)
National Aeronautics and Space Administration, California Institute of Technology, Strong, European Space Agency, European Commission, Rijksuniversiteit Groningen, Generalitat de Catalunya, Agenzia Spaziale Italiana, China Scholarship Council, Ministerio de Ciencia e Innovación, National Astronomical Observatory of Japan, Université de Genève, Agenția Spațială Română, Norsk Romsenter, Institut de Física d'Altes Energies, Fundação para a Ciência e a Tecnologia, Staatssekretariat für Bildung, Forschung und Innovation, Agencia Estatal de Investigación, Institut National de Physique Nucléaire et de Physique des Particules
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Galaxies: Formation, Evolution, Phenomena
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