TY - JOUR AU - Magrini, Laura AU - Casali, Giada PY - 2021/03/17 Y2 - 2024/03/28 TI - Stellar age revealed by chemical composition JF - Il Colle di Galileo JA - cdg VL - 10 IS - 1 SE - Highlights DO - 10.36253/cdg-12715 UR - https://oajournals.fupress.net/index.php/cdg/article/view/12715 SP - 25-29 AB - <p class="p1">High-resolution spectroscopic surveys provide an extraordinary dataset on the processes of the formation and evolution of our galaxy, in which the determination of the ages of individual stars plays a major role. We present here a method for measuring stellar ages based on the carbon/nitrogen abundance ratio in stellar atmospheres. We apply this relationship to the disc of the Milky Way, finding a clear age difference between the thin and thick discs of our galaxy.</p> ER -