Title:
An Energy Inventory of Tidal Disruption Events

Abstract:
Tidal disruption events (TDEs) provide a unique opportunity to study 
super-Eddington accretion onto black holes. Studying the formation and 
evolution of the accretion disk during these transients can provide 
invaluable lessons about how black holes grow. 
However, the mechanism for generating luminosity during the flare is still debated. 
Despite the increasing number of observed TDEs, it is not clear 
whether the majority of the energy in the initial flare comes from accretion 
close to the gravitational radius or from the process of circularizing 
the debris further away from the black hole. By measuring the total energy emitted 
and estimating the efficiency it is possible to derive clues about the emission mechanism. 
We use the MOSFiT transient fitting code to estimate the efficiency of conversion 
from accreted mass to radiated energy, and find that 
while it is generally similar to efficiencies measured for active galactic nuclei (AGN), 
in some cases it is also consistent with stream collisions close to the black hole.