Multiwavelength follow-up of a rare IceCube neutrino multiplet

M.G. Aartsen, M. Ackermann, J. Adams, J.A. Aguilar, Markus Ahlers, M. Ahrens, I. Al Samarai, D. Altmann, K. Andeen, T. Anderson, I. Ansseau, G. Anton, M. Archinger, C. Arguelles, D. Jason Koskinen, Morten Ankersen Medici, Michael James Larson, Subir Sarkar, E. Hansen, M Rameez