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The H.E.S.S. Survey of the Inner Galaxy in Very High Energy Gamma Rays
We report on a survey of the inner part of the Galactic plane in very high energy gamma rays with the H.S. Cerenkov telescope system. Expand
A low level of extragalactic background light as revealed by γ-rays from blazars
The diffuse extragalactic background light consists of the sum of the starlight emitted by galaxies through the history of the Universe, and it could also have an important contribution from theExpand
Discovery of very-high-energy γ-rays from the Galactic Centre ridge
The source of Galactic cosmic rays (with energies up to 1015 eV) remains unclear, although it is widely believed that they originate in the shock waves of expanding supernova remnants. At present theExpand
Energy spectrum of cosmic-ray electrons at TeV energies.
The very large collection area of ground-based gamma-ray telescopes gives them a substantial advantage over balloon or satellite based instruments in the detection of very-high-energy (>600 GeV)Expand
A New Population of Very High Energy Gamma-Ray Sources in the Milky Way
Very high energy γ-rays probe the long-standing mystery of the origin of cosmic rays. Produced in the interactions of accelerated particles in astrophysical objects, they can be used to image cosmicExpand
Fast Variability of Tera–Electron Volt γ Rays from the Radio Galaxy M87
The detection of fast variations of the tera–electron volt (TeV) (1012 eV) γ-ray flux, on time scales of days, from the nearby radio galaxy M87 is reported. These variations are about 10 times asExpand
Discovery of Very High Energy Gamma Rays Associated with an X-ray Binary
X-ray binaries are composed of a normal star in orbit around a neutron star or stellar-mass black hole. Radio and x-ray observations have led to the presumption that some x-ray binaries calledExpand
The status of the HESS project
Abstract The High Energy Stereoscopic System (HESS) is a system of four, 107 m2 mirror area, imaging Cherenkov telescopes under construction in the Khomas Highland of Namibia (1800 m asl). The HESSExpand
A detailed spectral and morphological study of the gamma-ray supernova remnant RX J1713.7-3946 with HESS
We present results from deep observations of the Galactic shell-type supernova remnant RX J1713.7-3946. Expand
Acceleration of petaelectronvolt protons in the Galactic Centre
Galactic cosmic rays reach energies of at least a few petaelectronvolts (of the order of 1015 electronvolts). This implies that our Galaxy contains petaelectronvolt accelerators (‘PeVatrons’), butExpand