Neutrino Triggered Target of Opportunity (NToO) test run with AMANDA-II and MAGIC

Details Neutrino Triggered Target of Opportunity (NToO) test run with AMANDA-II and MAGIC Neutrino Triggered Target of Opportunity (NToO) test run with AMANDA-II and MAGIC

2007-09-17

arxiv.org/abs/0709.2640v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, 1 table. 30th ICRC, Merida, Mexico

Scientific paper

Kilometer scale neutrino telescopes are now being constructed (IceCube) and designed (KM3NeT). While no neutrino flux of cosmic origin has been discovered so far, the first weak signals are expected to be discerned in the next few years. Multi-messenger (observations combining different kinds of emission) investigations can enhance the discovery chance for neutrinos in case of correlations. One possible application is the search for time correlations of high energy neutrinos and established signals. We show the first adaptation of a Target of Opportunity strategy to collect simultaneous data of high energy neutrinos and gamma-rays. Neutrino events with coordinates close to preselected candidate sources are used to alert gamma-ray observations. The detection of a positive coincidence can enhance the neutrino discovery chance. More generally, this scheme of operation can increase the availability of simultaneous observations. If cosmic neutrino signals can be established, the combined observations will allow time correlation studies and therefore constraints on the source modeling. A first technical implementation of this scheme involving AMANDA-II and MAGIC has been realized for few pre-selected sources in a short test run (Sept. to Dec. 2006), showing the feasability of the concept. Results from this test run are shown.

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