gamma-ray burst: individual: GRB 191016A

GRB 191016A: The onset of the forward shock and evidence of late energy injection

We present optical and near-infrared (NIR) photometric observations of GRB 191016 with the COATLI,DDOTI, and RATIR ground-based telescopes over the first three nights. We present the temporal evolution of the optical afterglow and describe five …