Exoplanetary atmosphere models and chemistry
| hal.structure.identifier | Laboratoire d'Astrophysique de Bordeaux [Pessac] [LAB] | |
| hal.structure.identifier | Observatoire aquitain des sciences de l'univers [OASU] | |
| hal.structure.identifier | Université Sciences et Technologies - Bordeaux 1 [UB] | |
| hal.structure.identifier | Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB] | |
| dc.contributor.author | HÉBRARD, Eric | |
| dc.date.issued | 2011-05 | |
| dc.date.conference | 2011 | |
| dc.description.abstractEn | Exoplanet atmospheres that can be characterized with current instrumentations are hot, subjected to very high UV fluxes and undergo strong circulation, a situation radically different from what is found in the atmospheres of our own Solar System. As a matter of fact, traditional models, adapted to model (sub)stellar atmospheres or Solar System planetary atmospheres, fail to provide a reliable description of their composition. It seems indeed mandatory to combine thermochemical reactions with non-equilibrium processes such as vertical transport and photochemical processes. The knowledge of the temperature-dependencies, especially at high temperatures, of some key parameters - IR absorption coefficients k λ(T), UV absorption cross-sections σ(T) and chemical kinetics reaction rates k(T) - is also crucial to insure the reliability of hot atmospheres modelling and the interpretation of current observations. | |
| dc.language.iso | en | |
| dc.source.title | 2011IAUS..280E..55H The Molecular Universe, Proceedings of the 280th Symposium of the International Astronomical Union held in Toledo, Spain, May 30-June 3, 2011., p.55 | |
| dc.title.en | Exoplanetary atmosphere models and chemistry | |
| dc.type | Communication dans un congrès | |
| dc.subject.hal | Planète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP] | |
| dc.subject.hal | Physique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP] | |
| bordeaux.page | 55 | |
| bordeaux.volume | 280 | |
| bordeaux.country | ES | |
| bordeaux.title.proceeding | 2011IAUS..280E..55H The Molecular Universe, Proceedings of the 280th Symposium of the International Astronomical Union held in Toledo, Spain, May 30-June 3, 2011., p.55 | |
| bordeaux.conference.city | Tolede | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00594254 | |
| hal.version | 1 | |
| hal.invited | oui | |
| hal.proceedings | oui | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00594254v1 | |
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