PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Multi Messenger and Gravitational Wave (MM&GW)
Follow-up of multi-messenger alerts with the KM3NeT ARCA and ORCA detectors
J. Palacios Gonzalez*, S. Celli, D. Dornic, F. Filippini, E. Le Guirriec, J. de Favereau de Jeneret, G. Illuminati, M. Lamoureux, M. Mastrodicasa, R. Muller, F. Salesa Greus, A. Sánchez Losa, S. Le Stum, G. Vannoye, A. Veutro and A. Zegarelli
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Pre-published on: July 25, 2023
Published on: —
Abstract
The strength of multi-messenger astronomy comes from its capability to increase the significance of a detection through the combined observation of events coincident in space and time. This is particularly valuable for transient events, since the use of a narrow time window can allow a reduction of background of the search.

In KM3NeT, we are actively monitoring and analysing a variety of external triggers in real-time, including alerts like IceCube neutrinos, HAWC gamma-ray transients, LIGO-Virgo-KAGRA gravitational waves, SNEWS neutrino alerts, and others.

In this contribution, we present the follow-up of various external alerts using the complementary capabilities of the two KM3NeT detectors, ORCA (covering the few GeV to few TeV energy range) and ARCA (ranging from sub-TeV energies up to tens of PeV). Both detectors were collecting high-quality data with partial configurations during the period of the studied alerts, which goes from December 2021 until June 2023.
DOI: https://doi.org/10.22323/1.444.1521
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