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UK funding (£1,304,360): AENEAS: Age-Enabled Exoplanet Science: Understanding the evolution and diversity of planetary systems Ukri5 Nov 2024 UK Research and Innovation, United Kingdom
Overview
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AENEAS: Age-Enabled Exoplanet Science: Understanding the evolution and diversity of planetary systems
| Abstract | We have detected over 5000 exoplanets in more than 3800 planetary systems. One of the most striking features of the exoplanet population is the remarkable diversity in planet compositions, system architectures and host star characteristics. The origin of this diversity, however, is poorly understood. This is primarily because the vast majority of planets detected to date are reasonably old and have already evolved to become mature planetary systems. It is extremely challenging to study evolutionary processes using systems in which they have already occurred and finished. Furthermore, most planetary systems do not possess measured ages and the vast majority of those that do are neither robust nor precise. Our predominantly old and poorly age dated exoplanet population severely limits our ability to understand how planetary systems evolve into the diverse population we observe. Significant progress can be made, however, by studying young transiting planet systems (in which evolutionary processes are ongoing), and robustly age dating stars and their planets across the full life cycle of planetary systems. I will (i) build the first statistically powerful sample of young transiting planets with the TESS space mission, (ii) characterise high-value systems in detail by measuring planet masses, orbital obliquities and atmospheric loss rates, (iii) develop a novel method to robustly age date stars (and hence planetary systems) between 1 Myr and 10 Gyr, and (iv) draw these complementary avenues together to construct the first planet occurrence rates as a function of time and to perform the first population level tests of the processes driving planetary system evolution. This programme therefore provides the missing link between our theories of planet formation and early evolution and the mature population of exoplanets. Furthermore, my age dating framework will have far reaching implications for exoplanet, stellar and Galactic astrophysics. |
| Category | Research Grant |
| Reference | EP/Z000890/1 |
| Status | Active |
| Funded period start | 05/11/2024 |
| Funded period end | 04/11/2029 |
| Funded value | £1,304,360.00 |
| Source | https://gtr.ukri.org/projects?ref=EP%2FZ000890%2F1 |
Participating Organisations
| Queen Mary University of London |
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