The Accretion History of EX Lup: A Century of Bursts, Outbursts, and Quiescence

Mu-Tian Wang, Gregory J. Herczeg, Hui-Gen Liu +11

EX Lup is the archetype for the class of young stars that undergoes repeated accretion outbursts of $\sim 5$ mag at optical wavelengths and that last for months. Despite extensive…