Young Exoplanets with TESS

The accurate knowledge of the ages of stars hosting planets allows us to know in detail how planetary systems form and evolve. The age measurements of stars in the Galaxy is a difficult task to achieve, and usually this parameter is affected by large uncertainties; an exception are systems like stellar clusters, associations and co-moving groups: for their almost coeval members whose origin is common, ages can be measured with high accuracy through the use of both theoretical models and empirical ways (e.g. gyrochronology). While bodies orbiting stellar system members with well-constrained ages are a small percentage of known planets, even rarer are those around young stars (<1 Gyr) because of difficulties in detection (and their characterization) due to the strong stellar activity. In this talk, the most important results obtained by our group in the last few years by combining TESS and spectroscopic data of young stars will be presented. These results will serve to give us a better understanding of how exoplanets evolve in the first few hundred years after their formation. Finally, an overview of what we expect from observing young stars with the upcoming PLATO mission in terms of new detections of small planets will be shown.