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

Published online by Cambridge University Press:  29 April 2014

Anthony Boccaletti
LESIA, Obs. Paris/CNRS/Univ. Paris 6/Univ. Paris 7, 92195 Meudon, France email:
Anne-Lise Maire
LESIA, Obs. Paris/CNRS/Univ. Paris 6/Univ. Paris 7, 92195 Meudon, France email:
Raphaël Galicher
Herzberg Institute of Astrophysics, NRCC, Victoria, BC V9E 2E7, Canada
Pierre Baudoz
LESIA, Obs. Paris/CNRS/Univ. Paris 6/Univ. Paris 7, 92195 Meudon, France email:
Dimitri Mawet
European Southern Observatory, Casilla 19001, Santiago 19, Chile
John Trauger
JPL, CalTech, Pasadena, CA 91109, USA
Jean Schneider
LUTH, Obs. Paris/CNRS/Univ. Paris 7, 92195 Meudon, France
Wes Traub
JPL, CalTech, Pasadena, CA 91109, USA
Daphne Stam
SRON, Utrecht, The Netherlands
Pierre-Olivier Lagage
SAp/CEA, Saclay, France
Raffaele Gratton
INAF, Padova Observatory, Padova, Italy
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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.

Contributed Papers
Copyright © International Astronomical Union 2014 


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