Dr. Julián Alvarado-Gómez: Stellar Magnetism and Extra-Solar Space Weather
Channel: IAA - Comunicación
Date: 01/10/2022

Fecha:  01/09/2022
Conferenciante:  Dr. Julián Alvarado-Gómez
Filiación:  Leibniz Institute for Astrophysics Potsdam, Germany

The environment around the Sun and other late-type stars is controlled by magnetic fields. The coronal high-energy radiation (Extreme Ultra-Violet and X-ray photons), the structure and strength of stellar winds, as well as transients such as flares, coronal mass ejections (CMEs), and energetic particle events, are some examples of this magnetic influence. Apart from their direct consequences on the star and its evolution, these phenomena will have strong effects on planetary systems via star-planet interactions and erosion of exoplanetary atmospheres. Understanding the habitability of these magnetized environments is therefore a fundamental aspect in our search for life-supporting places in the Universe. In this talk, I will summarize my research on characterizing the space weather conditions of extra-solar planets, employing advanced techniques to observe magnetic fields of stars in combination with state-of-the-art 3D numerical simulations of their surroundings.