Results 51 to 60 of about 88,325 (210)
Molecular shocks and the gamma-ray clouds of the W28 supernova remnant
Interstellar medium clouds in the W28 region are emitting gamma-rays and it is likely that the W28 supernova remnant is responsible, making W28 a prime candidate for the study of cosmic-ray acceleration and diffusion.
Kawamura, Akiko +15 more
core +1 more source
The extragalactic gamma-ray sky: A view on the most powerful phenomena in the universe
The gamma-ray sky provides a look into the most energetic and violent processes of the universe. In the last years, gamma-ray satellites are scanning the sky for understanding the physics governing the gamma-ray emission.
Monica Orienti
doaj +1 more source
Gamma ray Cerenkov telescope image analysis [PDF]
The subject of this thesis is ground based gamma ray astronomy using the imaging atmospheric Cerenkov technique. The first two chapters are introductory, and describe the field of gamma ray astronomy, the generation of extensive air showers in the ...
Holder, J., Holder, Jamie
core
The effects of atmosphere conditions on gamma-ray astronomy [PDF]
The High Energetic Stereoscopic System (H.E.S.S.) experiment is an array of imaging atmospheric Cherenkov (IAC) telescopes of the next generation, with enlarged mirrors and advanced detector electronics compared to its predecessors.
Aye, Klaus-Michael
core
HESS J1809-193 is an unidentified TeV source, first detected by the High Energy Stereoscopic System (H.E.S.S.) collaboration. The emission originates in a source-rich region that includes several supernova remnants (SNRs) and pulsars including SNR G11.1 ...
A. Albert +82 more
doaj +1 more source
Identification and Analyses in Optical Light of Gamma-Ray Sources with Astronomical Archival Plates
The ESA INTEGRAL satellite (International Gamma Ray Laboratory) launched in October 2002 continues to deliver valuable data about the gamma-ray sky. Nearly 450 gamma-ray sources have been detected so far mainly by the IBIS onboard instrument, and others ...
René Hudec, Miloš Klíma
doaj +1 more source
The detection of the hyper-bright gamma-ray burst (GRB) 221009A enables us to explore the nature of the GRB emission and the origin of very high-energy gamma rays.
B. Theodore Zhang +5 more
doaj +1 more source
The Magellanic Clouds as the source of gamma-ray bursters [PDF]
We present a new model for gamma-ray bursts to explain their isotropic but inhomogeneous space distribution. We propose that the Magellanic Clouds are the source of a special population of gamma-ray-bursting pulsars which are easily ejected from the Clouds and lead to a halo distribution which is homogeneous within a radius of ∼ 50 kpc and falls off ...
Fabian, A, Podsiadlowski, P
openaire +2 more sources
Physics from Time Variability of the VHE Blazar PKS 2155-304 [PDF]
Blazars are the principal extragalactic sources of very high energy gamma-ray emission in the Universe. These objects constitute a sub-class of Active Galactic Nuclei whose emission is dominated by Doppler boosted non-thermal radiation from plasma ...
BARRES-DE-ALMEIDA, ULISSES
core
The gamma-ray band is the most energetic part of the electromagnetic spectrum. As such it is also where selection effects are most severe, as it can only be reached by the most extreme non-thermal AGN.
Giommi, Paolo, Giommi, Paolo (5268868)
core +1 more source

