[en] The advent of space-based photometry missions in the early 21st century enabled the application to asteroseismic data of advanced inference techniques until then restricted to the field of helioseismology. The high quality of the observations, the discovery of mixed modes in evolved solar-like oscillators and the need for an improvement in the determination of stellar fundamental parameters such as mass, radius and age led to the development of sophisticated modelling tools, amongst which seismic inversions play a key role. In this review, we will discuss the existing inversion techniques for the internal structure of distant stars adapted from helio-to asteroseismology. We will present results obtained for various Kepler targets, their coupling to other existing modelling techniques as well as the limitations of seismic analyses and the perspectives for future developments of these approaches in the context of the current TESS and the future PLATO mission, as well as the exploitation of the mixed modes observed in post-main sequence solar-like oscillators, for which variational formulations might not provide sufficient accuracy.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Buldgen, Gaël ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie ; Université de Genève, Geneva, Switzerland
Bétrisey, Jérôme; Université de Genève, Geneva, Switzerland
Roxburgh, Ian W.; Astronomy Unit, Queen Mary University of London, London, United Kingdom ; School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
Vorontsov, Sergei V.; Astronomy Unit, Queen Mary University of London, London, United Kingdom ; Institute of Physics of the Earth, Moscow, Russian Federation
Reese, Daniel ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie ; Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, Meudon, France
Language :
English
Title :
Inversions of Stellar Structure From Asteroseismic Data
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