Prof.
Katja Poppenhäger
(AIP)
17/09/2024, 17:15
Oral
Every low-mass star in the Milky Way can be expected to host at least one exoplanet on average. Since most stars are intrinsic X-ray emitters, practically every exoplanet known today is embedded in an X-ray radiation environment of some sort. Stellar high-energy emission can drive many phenomena on exoplanets: heating and evaporation of planetary atmospheres, photoionization in the upper...