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A chemical survey of exoplanets with ARIEL

Giovanna Tinetti 1 Pierre Drossart 2 Paul Eccleston Paul Hartogh 3 Astrid Heske J. Leconte 4 Giusi Micela 5 Marc Ollivier 6 Göran Pilbratt Ludovic Puig 7 Diego Turrini 8 Bart Vandenbussche Paulina Wolkenberg 9 Jean-Philippe Beaulieu 10 Lars A. Buchave Martin Ferus 11 Matt Griffin Manuel Guedel Kay Justtanont Pierre-Olivier Lagage 12 Pedro Machado 13 Giuseppe Malaguti Michiel Min Hans Ulrik Nørgaard-Nielsen Mirek Rataj Tom Ray Ignasi Ribas 14 Mark Swain Robert Szabo 15 Stephanie Werner Joanna Barstow Matt Burleigh James Cho Vincent Coudé Du Foresto 2 Athena Coustenis 2 Leen Decin 16 Thérèse Encrenaz 2 Marina Galand Michael Gillon 17 Ravit Helled 18 Juan Carlos Morales 19 Antonio García Muñoz Andrea Moneti Isabella Pagano Enzo Pascale Giuseppe Piccioni 20 David Pinfield Subhajit Sarkar 21 Franck Selsis 4 Jonathan Tennyson 22 Amaury Triaud 23 Olivia Venot 24 Ingo Waldmann David Waltham 25 Gillian Wright Jerome Amiaux 26 Jean-Louis Auguères Michel Berthé Naidu Bezawada Georgia Bishop Neil Bowles 27 Deirdre Coffey Josep Colomé Martin Crook Pierre-Elie Crouzet Vania da Peppo Isabel Escudero Sanz Mauro Focardi Martin Frericks Tom Hunt Ralf Kohley Kevin Middleton Gianluca Morgante Roland Ottensamer Emanuele Pace Chris Pearson Richard Stamper Kate Symonds Miriam Rengel 28 Etienne Renotte Peter Ade Laura Affer Christophe Alard 10 Nicole Allard 29 Francesca Altieri 20 Yves André 30 Claudio Arena Ioannis Argyriou Alan Aylward Cristian Baccani Gaspar Bakos Marek Banaszkiewicz 9 Mike Barlow Virginie Batista 10 Giancarlo Bellucci 20 Serena Benatti 31 Pernelle Bernardi 2 Bruno Bézard 2 Maria Blecka Emeline Bolmont 32 Bertrand Bonfond 33 Rosaria Bonito Aldo S. Bonomo John Robert Brucato 34 Allan Sacha Brun 12 Ian Bryson Waldemar Bujwan Sarah Casewell Benjamin Charnay 2 Cesare Cecchi Pestellini Guo Chen 35 Angela Ciaravella Riccardo Claudi Rodolphe Clédassou Mario Damasso Mario Damiano Camilla Danielski 29 Pieter Deroo Anna Maria Di Giorgio Carsten Dominik Vanessa Doublier Simon Doyle Rene Doyon 36 Benjamin Drummond Bastien Duong Stephen Eales Billy Edwards Maria Farina Ettore Flaccomio 5 Leigh Fletcher François Forget 37 Steve Fossey Markus Fränz Yuka Fujii Álvaro García-Piquer Walter Gear Hervé Geoffray Jean Claude Gérard Lluis Gesa H. Gomez Rafał Graczyk Caitlin Griffith Denis Grodent 33 Mario Giuseppe Guarcello Jacques Gustin 38 Keiko Hamano 39 Peter Hargrave Yann Hello 40, 2 Kevin Heng Enrique Herrero 41 Allan Hornstrup Benoît Hubert 42 Shigeru Ida 43 Masahiro Ikoma 43 Nicolas Iro 44 Patrick Irwin Christopher Jarchow Jean Jaubert 45 Hugh Jones 46 Queyrel Julien Shingo Kameda Franz Kerschbaum Pierre Kervella 2 Tommi Koskinen Matthijs Krijger Norbert Krupp 3 Marina Lafarga Federico Landini Emmanuel Lellouch 2 Giuseppe Leto A. Luntzer 47 Theresa Rank-Lüftinger Antonio Maggio 5 Jesus Maldonado Jean-Pierre Maillard Urs Mall 3 J.-B. Marquette 48 Stéphane Mathis 49 Pierre Maxted Taro Matsuo Alexander Medvedev Yamila Miguel Vincent Minier 12 Giuseppe Morello Alessandro Mura 20 Norio Narita Valerio Nascimbeni N. Nguyen Tong 2 Vladimiro Noce Fabrizio Oliva 50 Enric Palle Paul Palmer Maurizio Pancrazzi Andreas Papageorgiou Vivien Parmentier 51 Manuel Perger Antonino Petralia Stefano Pezzuto Ray Pierrehumbert Ignazio Pillitteri 5 Giampaolo Piotto Giampaolo Pisano Loredana Prisinzano Aikaterini Radioti 33 Jean-Michel Reess 2 Ladislav Rezac Marco Rocchetto 52 Albert Rosich 53 Nicoletta Sanna Alexandre Santerne 54 Giorgio Savini Gaetano Scandariato Bruno Sicardy 2 Carles Sierra 55 Giuseppe Sindoni Konrad Skup Ignas Snellen Mateusz Sobiecki Lauriane Soret 33 Alessandro Sozzetti Arnaud Stiepen 56 Antoine Strugarek 12 Jake Taylor William Taylor Luca Terenzi Marcell Tessenyi Angelos Tsiaras C. Tucker 57 Diana Valencia 58 Gautam Vasisht Allona Vazan Francesc Vilardell Sandrine Vinatier 2 Serena Viti Rens Waters Piotr Wawer Anna Wawrzaszek Anthony Whitworth Yuk L. Yung 59 Sergey N. Yurchenko María Rosa Zapatero Osorio Robert Zellem Tiziano Zingales 1 Frans Zwart Paul Wolkenberg Jean Beaulieu 60 A. Buchave Pierre Lagage Ray Ray Ignas Ribas Vincent Du Foresto Antonio Muñoz 61 Jean Auguères Pierre Crouzet Emanuel Pace Francesc Altieri Claudio Claudi Bruno Brun Aldo Bonomo 54 Robert Brucato Allan Brun Anna Di Giorgio Yuk Fujii Jean Gérard 62 Giuseppe Guarcello Pierre Maillard Yuk Yung 3 Sergey Yurchenko
4 ECLIPSE 2018
LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac]
32 ECLIPSE 2014
L3AB - Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux, OASU - Observatoire aquitain des sciences de l'univers, LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac], Université Sciences et Technologies - Bordeaux 1
48 M2A 2018
LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac]
Abstract : Thousands of exoplanets have now been discovered with a huge range of masses, sizes and orbits: from rocky Earth-like planets to large gas giants grazing the surface of their host star. However, the essential nature of these exoplanets remains largely mysterious: there is no known, discernible pattern linking the presence, size, or orbital parameters of a planet to the nature of its parent star. We have little idea whether the chemistry of a planet is linked to its formation environment, or whether the type of host star drives the physics and chemistry of the planet's birth, and evolution. ARIEL was conceived to observe a large number ( 1000) of transiting planets for statistical understanding, including gas giants, Neptunes, super-Earths and Earth-size planets around a range of host star types using transit spectroscopy in the 1.25-7.8 μm spectral range and multiple narrow-band photometry in the optical. ARIEL will focus on warm and hot planets to take advantage of their well-mixed atmospheres which should show minimal condensation and sequestration of high-Z materials compared to their colder Solar System siblings. Said warm and hot atmospheres are expected to be more representative of the planetary bulk composition. Observations of these warm/hot exoplanets, and in particular of their elemental composition (especially C, O, N, S, Si), will allow the understanding of the early stages of planetary and atmospheric formation during the nebular phase and the following few million years. ARIEL will thus provide a representative picture of the chemical nature of the exoplanets and relate this directly to the type and chemical environment of the host star. ARIEL is designed as a dedicated survey mission for combined-light spectroscopy, capable of observing a large and well-defined planet sample within its 4-year mission lifetime. Transit, eclipse and phase-curve spectroscopy methods, whereby the signal from the star and planet are differentiated using knowledge of the planetary ephemerides, allow us to measure atmospheric signals from the planet at levels of 10-100 part per million (ppm) relative to the star and, given the bright nature of targets, also allows more sophisticated techniques, such as eclipse mapping, to give a deeper insight into the nature of the atmosphere. These types of observations require a stable payload and satellite platform with broad, instantaneous wavelength coverage to detect many molecular species, probe the thermal structure, identify clouds and monitor the stellar activity. The wavelength range proposed covers all the expected major atmospheric gases from e.g. H2O, CO2, CH4 NH3, HCN, H2S through to the more exotic metallic compounds, such as TiO, VO, and condensed species. Simulations of ARIEL performance in conducting exoplanet surveys have been performed - using conservative estimates of mission performance and a full model of all significant noise sources in the measurement - using a list of potential ARIEL targets that incorporates the latest available exoplanet statistics. The conclusion at the end of the Phase A study, is that ARIEL - in line with the stated mission objectives - will be able to observe about 1000 exoplanets depending on the details of the adopted survey strategy, thus confirming the feasibility of the main science objectives.
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Giovanna Tinetti, Pierre Drossart, Paul Eccleston, Paul Hartogh, Astrid Heske, et al.. A chemical survey of exoplanets with ARIEL. Experimental Astronomy, Springer Link, 2018, 46 (1), pp.135-209. ⟨10.1007/s10686-018-9598-x⟩. ⟨hal-01877019⟩



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