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Communication Dans Un Congrès Année : 2014

SPICES: A Mission Concept to Characterize Long Period Planets from Giants to Super-Earths

Résumé

SPICES (Spectro-Polarimetric Imaging and Characterization of Exoplanetary Systems) was proposed in 2010 for a five-year M-class mission in the context of ESA Cosmic Vision. Its purpose is to image and characterize long-period extrasolar planets located at several AUs (0.5-10 AU) from nearby stars (<25 pc) with masses ranging from a few Jupiter masses down to super-Earths (~2 Earth radii, ~10 M), possibly habitable. In addition, circumstellar disks as faint as a few times the zodiacal light in the Solar System can be studied. SPICES is based on a 1.5-m off-axis telescope and can perform spectro-polarimetric measurements in the visible (450 - 900 nm) at a spectral resolution of about 40. This paper summarizes the top science program and the choices made to conceive the instrument. The performance is illustrated for a few emblematic cases.

Dates et versions

hal-03734349 , version 1 (21-07-2022)

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Citer

Anthony Boccaletti, Anne-Lise Maire, Raphaël Galicher, Pierre Baudoz, Dimitri Mawet, et al.. SPICES: A Mission Concept to Characterize Long Period Planets from Giants to Super-Earths. Formation, detection, and characterization of extrasolar habitable planets, IAU Symposium 293, Aug 2012, Beijing, China, Nanjing, China. pp.429-434, ⟨10.1017/S1743921313013331⟩. ⟨hal-03734349⟩
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