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  • SEARCHES FOR TIME-DEPENDENT...
    Ackermann, M.; Adams, J.; Barwick, S. W.; Bay, R.; Becker, K.-H.; BenZvi, S.; Berley, D.; Bernhard, A.; Besson, D. Z.; Bindig, D.; Boersma, D. J.; Bohm, C.; Bos, F.; Bretz, H.-P.; Casey, J.; Clevermann, F.; Davis, J. C.; de André, J. P. A. M.; Dembinski, H.; Desiati, P.; de Vries, K. D.; Dunkman, M.; Eichmann, B.; Eisch, J.; Fadiran, O.; Fazely, A. R.; Fedynitch, A.; Finley, C.; Fischer-Wasels, T.; Flis, S.; Gaisser, T. K.; Gaior, R.; Gallagher, J.; Gier, D.; Gonzalez, J. G.; Grant, D.; Groß, A.; Ha, C.; Heereman, D.; Hignight, J.; Hoffman, K. D.; Hoffmann, R.; Homeier, A.; Huang, F.; Jurkovic, M.; Kappes, A.; Kauer, M.; Keivani, A.; Kläs, J.; Koob, A.; Kopper, C.; Kopper, S.; Koskinen, D. J.; Krings, K.; Kroll, G.; Kurahashi, N.; Leuermann, M.; Miarecki, S.; Middlemas, E.; Niederhausen, H.; Nowicki, S. C.; Obertacke, A.; Olivas, A.; Pepper, J. A.; Pérez de los Heros, C.; Pieloth, D.; Pinat, E.; Pütz, J.; Quinnan, M.; Rawlins, K.; Relich, M.; Rhode, W.; Robertson, S.; Saba, S. M.; Schatto, K.; Schmidt, T.; Schulz, O.; Shanidze, R.; Smith, M. W. E.; Spiczak, G. M.; Stokstad, R. G.; Ström, R.; Sullivan, G. W.; Taboada, I.; Toale, P. A.; Usner, M.; Vallecorsa, S.; van Eijndhoven, N.; van Santen, J.; Voge, M.; Wallraff, M.; Wellons, M.; Wendt, C.; Wichary, C.; Wissing, H.; Wolf, M.; Woschnagg, K.; Xu, X. W.; Zarzhitsky, P.; Ziemann, J.

    The Astrophysical journal, 07/2015, Volume: 807, Issue: 1
    Journal Article

    ABSTRACT In this paper searches for flaring astrophysical neutrino sources and sources with periodic emission with the IceCube neutrino telescope are presented. In contrast to time-integrated searches, where steady emission is assumed, the analyses presented here look for a time-dependent signal of neutrinos using the information from the neutrino arrival times to enhance the discovery potential. A search was performed for correlations between neutrino arrival times and directions, as well as neutrino emission following time-dependent light curves, sporadic emission, or periodicities of candidate sources. These include active galactic nuclei, soft γ-ray repeaters, supernova remnants hosting pulsars, microquasars, and X-ray binaries. The work presented here updates and extends previously published results to a longer period that covers 4 years of data from 2008 April 5 to 2012 May 16, including the first year of operation of the completed 86 string detector. The analyses did not find any significant time-dependent point sources of neutrinos, and the results were used to set upper limits on the neutrino flux from source candidates.