Swift follow-up of IceCube triggers, and implications for the advanced-LIGO era

P. A. Evans, J. P. Osborne, J. A. Kennea, M. Smith, D. M. Palmer, N. Gehrels, J. M. Gelbord, A. Homeier, M. Voge, N. L. Strotjohann, D. F. Cowen, S. Böser, M. Kowalski, A. Stasik

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Between 2011 March and 2014 August Swift responded to 20 triggers from the IceCube neutrino observatory, observing the IceCube 50 per cent confidence error circle in X-rays, typically within 5 h of the trigger. No confirmed counterpart has been detected. We describe the Swift follow-up strategy and data analysis and present the results of the campaign. We discuss the challenges of distinguishing the X-ray counterpart to a neutrino trigger from serendipitous uncatalogued X-ray sources in the error circle, and consider the implications of our results for future strategies for multimessenger astronomy, with particular reference to the follow-up of gravitational wave triggers from the advanced-era detectors.

Original languageEnglish (US)
Pages (from-to)2210-2223
Number of pages14
JournalMonthly Notices of the Royal Astronomical Society
Issue number3
StatePublished - Apr 11 2015

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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