KALTENEGGER, L.; SELSIS, Franck

doi:10.1016/j.crpv.2009.07.001

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SELSIS, Franck
Centre de Recherche Astrophysique de Lyon [CRAL]
Observatoire aquitain des sciences de l'univers [OASU]
Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]

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Comptes Rendus. Palevol. 2009, vol. 8, n° 7, p. 679-691

Académie des sciences (Paris)

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The detection and characterization of Earth-like planet is approaching rapidly thanks to radial velocity surveys (HARPS), transit searches (Corot, Kepler) and space observatories dedicated to their characterization are already in development phase (James Webb Space Telescope), large ground based telescopes (ELT, TNT, GMT), and dedicated space-based missions like Darwin, Terrestrial Planet Finder, New World Observer). In this paper we discuss how we can read a planets spectrum to assess its habitability and search for the signatures of a biosphere. Identifying signs of life implies understanding how the observed atmosphere physically and chemically works and thus to gather information on the planet in addition to the observing its spectral fingerprint.< Leer menos

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Earth and Planetary Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

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Characterizing Habitable Extrasolar Planets using Spectral Fingerprints

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