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Spectroscopic characterization of the atmosphere of potentially habitable planets: GL 581 d as a model case study

hal.structure.identifiersSE 2011
dc.contributor.authorVON PARIS, P.
dc.contributor.authorCABRERA, J.
dc.contributor.authorGODOLT, M.
hal.structure.identifierZentrum für Astronomie und Astrophysik [Berlin] [ZAA]
dc.contributor.authorGRENFELL, J. L.
hal.structure.identifiersSE 2011
dc.contributor.authorHEDELT, P.
dc.contributor.authorRAUER, H.
dc.contributor.authorSCHREIER, F.
dc.contributor.authorSTRACKE, B.
dc.date.issued2011-10
dc.date.conference2011
dc.description.abstractEnThe spectral characterization of potentially habitable planets is a major task for the exoplanet community and of prime interest for the search of extraterrestrial biospheres. Currently, one such potentially habitable planet is known outside the solar system, namely GL 581d. Based on different model atmospheres of GL 581d and resulting synthetic spectra, we will show how the possible investigation of potentially habitable planets could be used to infer atmospheric and surface conditions. In the considered case of GL 581d-like planets, we find that the presence of an atmosphere could be inferred from broad absorption bands of water and carbon dioxide in the spectra. The characterization of surface conditions and distinguishing different atmospheric scenarios is however difficult. A very interesting challenge is the possibility of a false-positive detection of so-called biomarkers such as ozone in the spectra due to the presence of carbon dioxide absorption bands close to the position of the main ozone band.
dc.language.isoen
dc.title.enSpectroscopic characterization of the atmosphere of potentially habitable planets: GL 581 d as a model case study
dc.typeCommunication dans un congrès
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
bordeaux.page955
bordeaux.conference.titleEPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. p.955, 2011
bordeaux.countryFR
bordeaux.conference.cityNantes
bordeaux.peerReviewedoui
hal.identifierhal-00665603
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00665603v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2011-10&rft.spage=955&rft.epage=955&rft.au=VON%20PARIS,%20P.&CABRERA,%20J.&GODOLT,%20M.&GRENFELL,%20J.%20L.&HEDELT,%20P.&rft.genre=unknown


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