Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2009-01-30
Astropart.Phys.33:19-23,2010
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
Version accepted for publication by Astroparticle Physics; 13 pages, 5 figures
Scientific paper
10.1016/j.astropartphys.2009.10.
Core-collapse supernovae are among the prime candidate sources of high energy neutrinos. Accordingly, the IceCube collaboration has started a program to search for such a signal. IceCube operates an online search for neutrino bursts, forwarding the directions of candidate events to a network of optical telescopes for immediate follow-up observations. If a supernova is identified from the optical observations, in addition to a directional coincidence a temporal photon-neutrino coincidence also needs to be established. To achieve this, we present a method for estimating the supernova explosion time from its light curve using a simple model. We test the model with supernova light curve data from SN1987A, SN2006aj and SN2008D and show that the explosion times can be determined with an accuracy of better than a few hours.
Cowen D. F.
Franckowiak Anna
Kowalski Marek
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