Viscous heating in the disk of the outbursting star FU Orionis
Viscous heating in the disk of the outbursting star FU Orionis
Context. FU Orionis is the archetypal FUor star, a subclass of young stellar objects (YSOs) that undergo rapid brightening events, often gaining between four and six magnitudes on timescales of days. This brightening is often associated with a massive increase in accretion, which is one of the most ubiquitous processes …