Planets at twilight: implications on their formation and evolution

Jorge Lillo Box
Centro de Astrobiologia (CSIC-INTA)

Abstract
At present, around two thousand extrasolar planets have been confirmed or validated. This large crop of planetary systems with very different configurations now allows us to start answering many questions about their formation and evolution, with the final goal of understanding the process that formed the Solar System. So far, several approaches have been applied to unveil the mechanisms of planet formation: theoretical simulations, observations of protoplanetary disks, population synthesis, etc. In this talk, I will present another approach: analyzing planet formation and evolution from the information provided by planets at the end of their lives. These results were part of my thesis in which we have started to fill the gap of planets at this stage, orbiting in close-in orbits around giant stars. I will discuss what these planets can tell us about their formation and evolution history and the implications that their detection and characteristics have on these processes. At present, around two thousand extrasolar planets have been confirmed or validated. This large crop of planetary systems with very different configurations now allows us to start answering many questions about their formation and evolution, with the final goal of understanding the process that formed the Solar System. So far, several approaches have been applied to unveil the mechanisms of planet formation: theoretical simulations, observations of protoplanetary disks, population synthesis, etc. In this talk, I will present another approach: analyzing planet formation and evolution from the information provided by planets at the end of their lives. These results were part of my thesis in which we have started to fill the gap of planets at this stage, orbiting in close-in orbits around giant stars. I will discuss what these planets can tell us about their formation and evolution history and the implications that their detection and characteristics have on these processes.

4 September 2015, 13:30

Centro de Astrofísica
Rua das Estrelas
4150-762 Porto