Multiwavelength Follow-up of a Rare IceCube Neutrino Multiplet

Show simple item record Santander, Marcos 2019-07-03T16:15:22Z 2019-07-03T16:15:22Z 2017-11-24 en_US
dc.identifier.citation Aartsen, M. G., et al. (2017): Multiwavelength Follow-up of a Rare IceCube Neutrino Multiplet. Astronomy and Astrophysics, 607(A&A).DOI: en_US
dc.description.abstract On February 17, 2016, the IceCube real-time neutrino search identified, for the first time, three muon neutrino candidates arriving within 100 s of one another, consistent with coming from the same point in the sky. Such a triplet is expected once every 13.7 years as a random coincidence of background events. However, considering the lifetime of the follow-up program the probability of detecting at least one triplet from atmospheric background is 32%. Follow-up observatories were notified in order to search for an electromagnetic counterpart. Observations were obtained by Swift’s X-ray telescope, by ASAS-SN, LCO and MASTER at optical wavelengths, and by VERITAS in the very-high-energy gamma-ray regime. Moreover, the Swift BAT serendipitously observed the location 100 s after the first neutrino was detected, and data from the Fermi LAT and HAWC observatory were analyzed. We present details of the neutrino triplet and the follow-up observations. No likely electromagnetic counterpart was detected, and we discuss the implications of these constraints on candidate neutrino sources such as gamma-ray bursts, core-collapse supernovae and active galactic nucleus flares. This study illustrates the potential of and challenges for future follow-up campaigns. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.subject astroparticle physics en_US
dc.subject neutrinos en_US
dc.subject gamma-ray burst: general en_US
dc.subject supernovae: general en_US
dc.subject galaxies: active en_US
dc.subject X-rays: bursts en_US
dc.title Multiwavelength Follow-up of a Rare IceCube Neutrino Multiplet en_US
dc.type text en_US

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