J. L. Bazo Alba, E. Bernardini, R. Lauer, for the IceCube Collaboration
Published 2009-08-28Version 1
A time-dependent search for neutrino flares from pre-defined directions in the whole sky is presented. The analysis uses a time clustering algorithm combined with an unbinned likelihood method. This algorithm provides a search for significant neutrino flares over time-scales that are not fixed a-priori and that are not triggered by multiwavelength observations. The event selection is optimized to maximize the discovery potential, taking into account different time-scales of source activity and background rates. The method is applied to a pre-defined list of bright and variable astrophysical sources using 22-string IceCube data. No significant excess is found.
Comments: 4 pages, 5 figures, Proceedings of the 31st ICRC, Lodz, Poland, July 2009. This version includes the results presented at the conference and supersedes the version previously submitted to the conference
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