Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 17: Neutrino Astronomy I

T 17.8: Vortrag

Montag, 16. März 2026, 18:00–18:15, KS H C

Multi-Messenger Synergies at the Pierre Auger Observatory: Archive Expansion and Real-Time Neutrino Follow-Ups^*,† — •Srijan Sehgal for the Pierre Auger collaboration — Bergische Universität Wuppertal, Germany

The Pierre Auger Observatory, the world’s largest cosmic-ray detector, is designed to study the highest-energy particles in the universe and also has a remarkable capability to detect ultra-high-energy neutrinos. Operating continuously since 2004, it has made major contributions to cosmic-ray physics and to the growing field of multi-messenger astronomy. The Observatory is part of the Astrophysical Center for Multi-messenger in Europe (ACME), an infrastructure initiative aimed at facilitating data sharing among major observatories and improving the coordination of multi-messenger observations.

Within ACME, the Pierre Auger Observatory is expanding access to its extensive archive of data and preparing to provide real-time follow-ups by utilizing its sensitivity to neutrino-induced air showers. These efforts are intended to support the rapid identification and characterization of astrophysical sources. This talk will summarize the efforts undertaken within ACME, with particular emphasis on the planned expansion of the public data archive and the current status and development of Auger’s real-time alert system.
*Supported by BMBF Verbundforschung Astroteilchenphysik (Vorhaben 05A23PX1)
†This work is supported by the EU Horizon Europe Research and Innovation Programme, Grant No. 101131928.

Keywords: multi-messenger; real-time alerts; ACME; ultra-high-energy neutrinos