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Studying the ICM in clusters of galaxies via surface brightness fluctuations of the cosmic X-ray background
Alexander Kolodzig, Marat Gilfanov, Gert Hütsi +1
We study the surface brightness fluctuations of the cosmic X-ray background (CXB) using Chandra data of XBOOTES. After masking out resolved sources we compute the power spectrum of…
Can AGN and galaxy clusters explain the surface brightness fluctuations of the cosmic X-ray background?
Alexander Kolodzig, Marat Gilfanov, Gert Hütsi +1
Fluctuations of the surface brightness of cosmic X-ray background (CXB) carry unique information about faint and low luminosity source populations, which is inaccessible for conven…
Implications of the Fermi-LAT diffuse gamma-ray measurements on annihilating or decaying Dark Matter
Gert Hütsi, Andi Hektor, Martti Raidal
We analyze the recently published Fermi-LAT diffuse gamma-ray measurements in the context of leptonically annihilating or decaying dark matter (DM) with the aim to explain simultan…