A search for Centaurus A-like features in the spectra of Fermi-LAT detected radio galaxies

13 Jan 2020 Rulten Cameron B. Durham University Brown Anthony M. Durham University Chadwick Paula M. Durham University

Motivated by the detection of a hardening in the gamma-ray spectrum of the radio galaxy Centaurus A, we have analysed ~10 years of Fermi-LAT observations of 26 radio galaxies to search for similar spectral features. We find that the majority of the radio galaxies' gamma-ray spectral energy distributions are best fitted with a simple power-law model, and no spectral hardening similar to that found in Centaurus A was detected... (read more)

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  • HIGH ENERGY ASTROPHYSICAL PHENOMENA