The apparent and cosmic rates of short gamma-ray bursts

E. J. Howell, E. Burns, A. Goldstein

The short gamma-ray burst (sGRB), GRB~170817A, is often considered a rare event. However, its inferred event rate, $\mathcal{O}(100s){\text{Gpc}}^{-3}{\text{yr}}^{-1}$, exceeds cos…