Mapping the Cosmic Gamma-ray Horizon: The 1CGH Catalogue of Fermi-LAT detections above 10 GeV

Bruno Arsioli, Yu-Ling Chang, Luca Ighina

We present the First Cosmic Gamma-ray Horizon (1CGH) catalogue, featuring ${\hat{I}}^3$-ray detections above 10 GeV based on 16 years of observations with the Fermi Large Area Telescope (LA…