Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications

Chubb, Katy L; Robert, Séverine; Sousa-Silva, Clara; Yurchenko, Sergei N; Allard, Nicole F; Boudon, Vincent; Buldyreva, Jeanna; Bultel, Benjamin; Coustenis, Athena; Foltynowicz, Aleksandra; Gordon, Iouli E; Hargreaves, Robert J; Helling, Christiane; Hill, Christian; Hrodmarsson, Helgi Rafn; Karman, Tijs; Lecoq-Molinos, Helena; Migliorini, Alessandra; Rey, Michaël; Richard, Cyril; Sadiek, Ibrahim; Schmidt, Frédéric; Sokolov, Andrei; Stefani, Stefania; Tennyson, Jonathan; Venot, Olivia; Wright, Sam O M; Arenales-Lope, Rosa; Barstow, Joanna K; Bocchieri, Andrea; Carrasco, Nathalie; Dubey, Dwaipayan; Egorov, Oleg; Muñoz, Antonio García; Gharib-Nezhad, Ehsan (Sam); Gkouvelis, Leonardos; Grübel, Fabian; Irwin, Patrick Gerard Joseph; Knížek, Antonín; Lewis, David A; Lodge, Matt G; Ma, Sushuang; Martins, Zita; Molaverdikhani, Karan; Morello, Giuseppe; Nikitin, Andrei; Panek, Emilie; Rengel, Miriam; Rinaldi, Giovanna; Skinner, Jack W; Tinetti, Giovanna; van Kempen, Tim A; Yang, Jingxuan and Zingales, Tiziano (2024). Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications. RAS Techniques and Instruments, 3(1) pp. 636–690.

DOI: https://doi.org/10.1093/rasti/rzae039

Abstract

The goal of this white paper is to provide a snapshot of the data availability and data needs primarily for the Ariel space mission, but also for related atmospheric studies of exoplanets and cool stars. It covers the following 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, atmospheric chemistry, UV photodissociation and photoabsorption cross-sections, and standards in the description and format of such data. These data aspects are discussed by addressing the following questions for each topic, based on the experience of the “data-provider” and “data-user” communities: (1) what are the types and sources of currently available 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-users and data-providers, for the users to make requests for their data needs and for the data-providers to link to their available data. Our aim throughout the paper is to provide practical information on existing sources of data whether in databases, theoretical, or literature sources.

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