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Very high energy gamma-ray observations of the galaxy clusters Abell 496 and Abell 85 with H.E.S.S
H. E. S. S. Collaboration, :, F. Aharonian
Aims: The nearby galaxy clusters Abell 496 and Abell 85 are studied in the very high energy (VHE, E > 100 GeV) band to investigate VHE cosmic rays (CRs) in this class of objects wh…
Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304
H. E. S. S. Collaboration, :, F. Aharonian
In the past few decades, several models have predicted an energy-dependence of the speed of light in the context of quantum gravity. For cosmological sources such as active galaxie…
Discovery of gamma-ray emission from the shell-type supernova remnant RCW 86 with H.E.S.S
HESS Collaboration, F. Aharonian
The shell-type supernova remnant (SNR) RCW 86, possibly associated with the historical supernova SN 185, with its relatively large size (about 40' in diameter) and the presence of…
A search for a dark matter annihilation signal towards the Canis Major overdensity with H.E.S.S
HESS Collaboration, F. Aharonian
A search for a dark matter (DM) annihilation signal into -rays toward the direction of the Canis Major (CMa) overdensity is presented. The nature of CMa is still controversial a…
H.E.S.S. Observations of the Prompt and Afterglow Phases of GRB 060602B
HESS Collaboration, F. Aharonian
We report on the first completely simultaneous observation of a gamma-ray burst (GRB) using an array of Imaging Atmospheric Cherenkov Telescopes which is sensitive to photons in th…
H.E.S.S. upper limits for Kepler's supernova remnant
HESS Collaboration, F. Aharonian
Observations of Kepler's supernova remnant (G4.5+6.8) with the H.E.S.S. telescope array in 2004 and 2005 with a total live time of 13 h are presented. Stereoscopic imaging of Chere…