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Proceedings Paper

See-coast: polarimetric and spectral characterization of exoplanets with a small space telescope
Author(s): Raphaël Galicher; Pierre Baudoz; Anthony Boccaletti; Anne-Lise Maire; Samuel Ronayette; Jean Schneider
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Paper Abstract

To characterize orbits and atmospheres of exoplanets with large orbits (≥ a few AU), direct imaging is nowadays the sole way. From space, this involves high contrast imaging techniques as coronagraphy, differential imaging or wavefront control. Several methods exist or are under development and several small (~1.5m) space telescope missions are proposed. One of them is See-coast (super-Earth explorer coronagraphic off-axis space telescope) which will be proposed to the next ESA Cosmic Vision call. It will provide polarimetric and spectral characterization of giant gazeous planets and possibly Super-Earths in visible light. In this paper, we first detail science cases of this mission. We then describe the foreseen telescope design and its instrumentation. We finally derive performance for a particular instrumental configuration from numerical simulation and we show how See-coast can retrieve planet spectra.

Paper Details

Date Published: 10 August 2010
PDF: 8 pages
Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 773126 (10 August 2010); doi: 10.1117/12.857880
Show Author Affiliations
Raphaël Galicher, LUTH, CNRS, Observatoire de Paris à Meudon (France)
Partenariat Haute Résolution Angulaire Sol Espace (France)
Pierre Baudoz, LESIA, CNRS, Observatoire de Paris à Meudon (France)
Partenariat Haute Résolution Angulaire Sol Espace (France)
Anthony Boccaletti, LESIA, CNRS, Observatoire de Paris à Meudon (France)
Partenariat Haute Résolution Angulaire Sol Espace (France)
Anne-Lise Maire, LESIA, CNRS, Observatoire de Paris à Meudon (France)
Partenariat Haute Résolution Angulaire Sol Espace (France)
Samuel Ronayette, CEA Saclay (France)
Jean Schneider, LUTH, CNRS, Observatoire de Paris à Meudon (France)


Published in SPIE Proceedings Vol. 7731:
Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann; Mark C. Clampin; Howard A. MacEwen, Editor(s)

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