Electromagnetic evidence that SSS17a is the result of a binary neutron star merger

C. D. Kilpatrick, R. J. Foley, D. Kasen, A. Murguia-Berthier, E. Ramirez-Ruiz, D. A. Coulter, M. R. Drout, A. L. Piro, B. J. Shappee, K. Boutsia, C. Contreras, F. Di Mille, B. F. Madore, N. Morrell, Y-C. Pan, J. X. Prochaska, A. Rest, C. Rojas-Bravo, M. R. Siebert, J. D. SimonN. Ulloa