Browsing by Subject "galaxies: clusters: general"
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Probing cluster environments of blazars through γγ absorption
(EDP Sciences, 2015)Most blazars are known to be hosted in giant elliptic galaxies, but their cluster environments have not been thoroughly investigated. Cluster environments may contain radiation fields of low-energy photons created by nearby ... -
Search for dark matter annihilation signals from the fornax galaxy cluster with HESS
(IOP Publishing, 2012)The Fornax galaxy cluster was observed with the High Energy Stereoscopic System for a total live time of 14.5 hr, searching for very high energy (VHE; E > 100GeV) γ -rays from dark matter (DM) annihilation. No significant ...