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Suzaku observations of the merging galaxy cluster Abell2255: The northeast radio relic
H. Akamatsu, M. Mizuno, N. Ota +12
We present the results of deep 140 ks Suzaku X-ray observations of the north-east (NE) radio relic of the merging galaxy cluster Abell2255. The temperature structure of Abell2255 i…
Can supernova remnants accelerate protons up to PeV energies?
S. Gabici, D. Gaggero, F. Zandanel
Supernova remnants are believed to be the sources of galactic cosmic rays. Within this framework, diffusive shock acceleration must operate in these objects and accelerate protons…
Impact of axisymmetric mass models for dwarf spheroidal galaxies on indirect dark matter searches
Niki Klop, Fabio Zandanel, Kohei Hayashi +1
Dwarf spheroidals are low-luminosity satellite galaxies of the Milky Way highly dominated by dark matter (DM). Therefore, they are prime targets to search for signals from dark mat…
The angular power spectrum of the diffuse gamma-ray emission as measured by the Fermi Large Area Telescope and constraints on its Dark Matter interpretation
Mattia Fornasa, Alessandro Cuoco, Jesus Zavala +8
The isotropic gamma-ray background arises from the contribution of unresolved sources, including members of confirmed source classes and proposed gamma-ray emitters such as the rad…
Deep observation of the NGC 1275 region with MAGIC: search of diffuse gamma-ray emission from cosmic rays in the Perseus cluster
MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +154
Clusters of galaxies are expected to be reservoirs of cosmic rays (CRs) that should produce diffuse gamma-ray emission due to their hadronic interactions with the intra-cluster med…