Contributors: H. H. Wills Physics Laboratory Bristol; University of Bristol Bristol; Centre for Exoplanet Science; The University of Edinburgh; Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB); Bard College; Instituto de Astrofísica e Ciências do Espaço (IASTRO); Department of Physics and Astronomy UCL London; University College of London London (UCL); Observatoire de Paris; Centre National de la Recherche Scientifique (CNRS)-Université Paris Sciences et Lettres (PSL); Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB); Université de Technologie de Belfort-Montbeliard (UTBM)-Université de Bourgogne (UB)-Université Bourgogne Franche-Comté COMUE (UBFC)-Centre National de la Recherche Scientifique (CNRS); Univers, Théorie, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM); Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC); Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC); Géosciences Paris Saclay (GEOPS); Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS); Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA); Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris; Centre National de la Recherche Scientifique (CNRS)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité); Pôle Planétologie du LESIA; Centre National de la Recherche Scientifique (CNRS)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris; Department of Physics Umeå; Umeå University = Umeå Universitet; Harvard-Smithsonian Center for Astrophysics (CfA); Harvard University-Smithsonian Institution; Space Research Institute of Austrian Academy of Sciences (IWF); Austrian Academy of Sciences (OeAW); Fakultät für Mathematik, Physik und Geodäsie Graz; Technische Universität Graz (TU Graz); International Atomic Energy Agency Vienna (IAEA); Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA (UMR_7583)); Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité); Leiden Observatory Leiden; Universiteit Leiden = Leiden University; Radboud University Nijmegen; Institute of Astronomy Leuven; Catholic University of Leuven = Katholieke Universiteit Leuven (KU Leuven); Istituto di Astrofisica e Planetologia Spaziali - INAF (IAPS); Istituto Nazionale di Astrofisica (INAF); Groupe de spectrométrie moléculaire et atmosphérique (GSMA); Université de Reims Champagne-Ardenne (URCA)-Centre National de la Recherche Scientifique (CNRS); Leibniz Institute for Plasma Science and Technology (INP); Leibniz Association; Institut universitaire de France (IUF); Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.); Fakultät für Physik - Ludwig-Maximilians-Universität München/Munich (LMU); Ludwig-Maximilians University Munich (LMU); School of Physical Sciences Milton Keynes; Faculty of Science, Technology, Engineering and Mathematics Milton Keynes; The Open University Milton Keynes (OU)-The Open University Milton Keynes (OU); Dipartimento di Fisica Roma La Sapienza; Università degli Studi di Roma "La Sapienza" = Sapienza University Rome (UNIROMA); PLANETO - LATMOS; Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS); Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS); V.E. Zuev Institute of Atmospheric Optics (IAO); Siberian Branch of the Russian Academy of Sciences (SB RAS); Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)); Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité); Department of Atmospheric, Oceanic and Planetary Physics Oxford (AOPP); University of Oxford; Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences (HIPC / CAS); Czech Academy of Sciences Prague (CAS); Centro de Quimica Estrutural (CQE); Instituto Superior Técnico (IST / Técnico Lisboa); Instituto de Astrofísica de Andalucía (IAA); Consejo Superior de Investigaciones Cientificas España = Spanish National Research Council Spain (CSIC); Institut d'Astrophysique de Paris (IAP); Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS); Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research (MPS); Max-Planck-Gesellschaft; Caltech Division of Geological and Planetary Sciences; California Institute of Technology (CALTECH); Martin Fisher School of Physics; Brandeis University; SRON Netherlands Institute for Space Research (SRON); Dipartimento di Fisica e Astronomia "Galileo Galilei"; Università degli Studi di Padova = University of Padua (Unipd); INAF - Osservatorio Astronomico di Padova (OAPD); We thank the comprehensive efforts of the Reviewers for a number of constructive comments through the paper. The ExoMol project is supported by the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation programme through Advance Grant numbers 883830 (ExoMolHD). KLC was funded by UK Research and Innovation (UKRI) under the UK government\u2019s Horizon Europe funding guarantee as part of an ERC Starter Grant grant number EP/Y006313/1 . SY acknowledges funding by STFC Projects No. ST/Y001508/1. SR acknowledges funding by the Belgian Science Policy Office (BELSPO) through the FED-tWIN program (Prf-2019-077\u2013RT-MOLEXO) and through financial and contractual support coordinated by the ESA Prodex Office (PEA 4000137943, 4000128137). AF acknowledges funding by the Knut and Alice Wallenberg Foundation (KAW 2020.0303) and the Swedish Research Council (2020-00238). This research was supported by the Excellence Cluster ORIGINS which is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany\u2019s Excellence Strategy\u2013EXC-2094\u2013390783311. AVN and OE acknowledge the support from the Russian Scientific Foundation (RSF, No. 22-42-09022). MR acknowledges support from the French ANR TEMMEX project (Grant 21-CE30-0053-01) and from the Romeo computer center of Reims Champagne-Ardenne. FS acknowledges support from the \u2018Institut National des Sciences de l\u2019Univers\u2019 (INSU), the \u2018Centre National de la Recherche Scientifique\u2019 (CNRS), and \u2018Centre National d\u2019Etudes Spatiales\u2019 (CNES) through the \u2018Programme National de Plan\u00E9tologie\u2019. TZ acknowledges NVIDIA Academic Hardware Grant Program for the use of the Titan V GPU card and the support by the CHEOPS ASI-INAF agreement n. 2019-29-HH.0 and the Italian MUR Departments of Excellence grant 2023-2027 \u2018Quantum Frontiers\u2019. ChH and HLM acknowledge funding from the European Union H2020-MSCA-ITN-2019 under grant agreement no. 860470 (CHAMELEON). OV acknowledges funding from the ANR project \u2018EXACT\u2019 (ANR- 21-CE49-0008-01) and the Centre National d\u2019\u00C9tudes Spatiales (CNES). This work was also supported by CNES, focused on Ariel, through \u2018EXACT\u2019. JKB is supported by an STFC Ernest Rutherford Fellowship, grant number ST/T004479/1. AM (Alessandra Migliorini) acknowledges funding from the Italian Space Agency (ASI) contract with the National Institute for Astrophysics (INAF) n. 2018-22-HH.0.1-2020. IS acknowledges the support by DFG (DFG, German Research Foundation)\u2013project No. SA 4483/1-1. MR acknowledges the support by the DFG priority program SPP 1992 \u2018Exploring the Diversity of Extrasolar Planets\u2019 (DFG PR 36 24602/41). AK (Anton\u00EDn Kn\u00ED\u017Eek) acknowledges support from grant no. 24-12656K by the Czech Science Foundation and the ESA Prodex project under PEA 4000129979. IEG and RJH acknowledge funding support through NASA grant 80NSSC23K1596 and NASA PDART grant 80NSSC24K0080. ZM acknowledges, through Centro de Qu\u00EDmica Estrutural, the financial support of Funda\u00E7\u00E3o para a Ci\u00EAncia e Tecnologia (FCT) for the projects UIDB/00100/2020 and UIDP/00100/2020, and through Institute of Molecular Sciences, the financial support of FCT for the project LA/P/0056/2020. AB was supported by the Italian Space Agency (ASI) with Ariel grant n. 2021.5.HH.0. NC thanks the European Research Council for funding via the ERC OxyPlanets project (grant agreement No. 101053033).; ANR-21-CE49-0008,EXACT,Chimie Atmosphérique EXoplanétaire à haute Temperature(2021); European Project: 101053033,HORIZON.1.1 - European Research Council (ERC),OxyPlanets (2022)
نبذة مختصرة : International audience ; The goal of this white paper is to provide a snapshot of the data availability and data needs primarily forthe Ariel space mission, but also for related atmospheric studies of exoplanets and brown dwarfs. It covers thefollowing data-related topics: molecular and atomic line lists, line profiles, computed cross-sections and opacities,collision-induced absorption and other continuum data, optical properties of aerosols and surfaces, atmosphericchemistry, UV photodissociation and photoabsorption cross-sections, and standards in the description and formatof such data. These data aspects are discussed by addressing the following questions for each topic, based on theexperience of the “data-provider” and “data-user” communities: (1) what are the types and sources of currentlyavailable data, (2) what work is currently in progress, and (3) what are the current and anticipated data needs.We present a GitHub platform for Ariel-related data, with the goal to provide a go-to place for both data-usersand data-providers, for the users to make requests for their data needs and for the data-providers to link to theiravailable data. Our aim throughout the paper is to provide practical information on existing sources of data whetherin databases, theoretical, or literature sources
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