[ASA] IAU Symposium 408: Unraveling the joint lives of Stars and Exoplanets, 17-21 of August 2026, Liège, Belgium

[Hannah Schunker]

Dear ASA Community,


We are pleased to announce the


IAU Symposium 408 : Unraveling the joint lives of Stars and Exoplanets

17-21 of August 2026

Liège, Belgium


Meeting website: https://url.au.m.mimecastprotect.com/s/sMY8CgZ0N1im4YwRMfNfrT49NDB?domain=iaus408.uliege.be

Contact email: iaus408 at uliege.be


Registration and abstract submission will open in early March 2026, with a deadline for

contributed talks on May 31st. Early-bird registration(300 euros) will close on June 15th 2026.



Stars are the chemical and dynamical engines of the Universe. Through the chemical evolution of

their cores, they produce most of the heavy elements observed today, including those composing

our bodies. Their properties also shape the architecture and evolution of planetary systems, both

from the dynamical and atmospheric point of views. Space-borne missions (e.g. CoRoT, Kepler and

CHEOPS) and ground-based observatories (ALMA, EPRV spectrographs like ESPRESSO and

EXPRES) have brought a data-driven revolution in both stellar physics and exoplanetology.


Ongoing (Gaia, TESS and JWST) and future (Ariel and PLATO) missions will further shape the

orientation of both domains towards detailed characterization of solar-like stars and planets alike.

Both fields are thus at a critical point in their common history, with worldwide multidisciplinary

advances in theoretical modelling being paramount to understand the exquisite information

provided by present surveys and maximise the scientific returns of future missions.


These include, among others, the impact of stellar activity on planetary atmospheres and the impact

of dynamical evolution of exoplanetary systems. Both effects have repercussions on the stellar

properties such as rotation or chemical composition and thus require a better modelling of these

properties themselves.


With this symposium, we wish to gather experts of both exoplanetary science and stellar physics to

discuss the current challenges faced by each respective field. From an understanding of their mutual

goals, needs and their respective analysis techniques, we wish to build bridges that will enhance

synergies between both fields and set the stage for a successful exploitation of the new generations

of ground-based and space-borne instruments.


Gaë Buldgen, (co-chair & host), University of Liège, Aline Vidotto (co-chair), Leiden University,

Andrea Miglio (co-chair), University of Bologna

On behalf of the SOC


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