Multiwavelength follow-up of a rare IceCube neutrino multiplet IceCube, M. G. Aartsen, M. Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, M. Ahrens, I. Al Samarai, D. Altmann, K. Andeen et al. (503 more) A&A, 607 (2017) A115 Published online: 24 November 2017 DOI: 10.1051/0004-6361/201730620