Prompt Searches for Very-high-energy γ-Ray Counterparts to IceCube Astrophysical Neutrino Alerts
FACT, H.E.S.S., MAGIC, VERITAS, Fermi-LAT, IceCube · 2026 · Astrophys.J. 997 141

Joint follow-up campaign · 2017–2021 data · published 2026
Four Cherenkov telescope arrays, Fermi-LAT and IceCube combined their follow-up of IceCube neutrino alerts into one legacy dataset covering the whole sky.
Our part
Fabian led the project on behalf of the H.E.S.S. collaboration.

FACT, H.E.S.S., MAGIC, VERITAS, Fermi-LAT, IceCube · 2026 · Astrophys.J. 997 141