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Seismology of the Sun and the Distant Stars 2016
Using Today’s Successes to Prepare the Future
Joint TASC2 & KASC9 Workshop – SPACEINN & HELAS8 Conference



Stellar Parameters in an Instant with Machine Learning
Earl Bellinger (Max-Planck-Institut fr Sonnensystemforschung), George Angelou (Max-Planck-Institut fr Sonnensystemforschung), Saskia Hekker (Max-Planck-Institut fr Sonnensystemforschung), Sarbani Basu (Yale University), et al.

With the advent of dedicated photometric space missions, the ability to rapidly process huge catalogues of stars has become paramount. We introduce a new method based on machine learning for inferring the stellar parameters of main-sequence stars exhibiting solar-like oscillations. Our method makes precise predictions that are competitive with other methods, but with the advantage of costing practically no time. We validate our technique on a hare-and-hound exercise, the Sun, and 16 Cygni and then use it to predict the parameters of the Kepler objects-of-interest. Finally, we present novel insights into main-sequence evolution that have been extracted by the algorithm.

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