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

  • Anthony Boccaletti (a1), Anne-Lise Maire (a1), Raphaël Galicher (a2), Pierre Baudoz (a1), Dimitri Mawet (a3), John Trauger (a4), Jean Schneider (a5), Wes Traub (a4), Daphne Stam (a6), Pierre-Olivier Lagage (a7), Raffaele Gratton (a8) and the SPICES team...

Abstract

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.

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References

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

  • Anthony Boccaletti (a1), Anne-Lise Maire (a1), Raphaël Galicher (a2), Pierre Baudoz (a1), Dimitri Mawet (a3), John Trauger (a4), Jean Schneider (a5), Wes Traub (a4), Daphne Stam (a6), Pierre-Olivier Lagage (a7), Raffaele Gratton (a8) and the SPICES team...

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