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Characterizing the habitability and climate of temperate, Earth-sized exoplanets using a hierarchy of numerical climate models

Martin Turbet
Université de Genève, Département d’Astronomie, Geneve, Switzerland

The last 3 years have been incredibly fruitful in discoveries of nearby temperate, Earth-sized exoplanets, with the detection of Proxima b - the closest exoplanet from us - and the seven planets of the TRAPPIST-1 system. These are the best - potentially habitable - targets we have for a future characterization by either transit spectroscopy, direct imaging, or thermal phase curves with the upcoming James Webb Space Telescope and the extremely large ground-based telescopes.

I will discuss how climate models, ranging from 1-D radiative-convective models, to 3-D Global Climate Models and even 3-D Cloud Resolving Models, can be used to study the habitability, climate and observability of these nearby temperate, Earth-sized exoplanets. Specifically, I will show some examples of how these numerical climate models can be used to invent observational predictions to learn more about temperate, Earth-sized planets.

2019 March 14, 15:00

Observatório Astronómico de Lisboa (Seminar room)
Tapada da Ajuda, 1349-018 Lisboa

Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia