The sub-energetic GRB 031203 as a cosmic analogue to GRB 980425

A. M. Soderberg, S. R. Kulkarni, E. Berger +13

Over the six years since the discovery of the gamma-ray burst GRB 980425, associated with the nearby (distance, ~40 Mpc) supernova 1998bw, astronomers have fiercely debated the nat…