GW170817 + GRB 170817A + AT2017gfo (Aug 2017): first BNS merger seen in GW + gamma-rays + optical/IR/UV/X-ray; r-process heavy-element nucleosynthesis confirmed.
GW170817 + GRB 170817A + AT2017gfo (Aug 2017): first BNS merger seen in GW + gamma-rays + optical/IR/UV/X-ray; r-process heavy-element nucleosynthesis confirmed.