activity
19982026
most citedVHE gamma-ray emission of PKS 2155-304: spectral and temporal variability

126 citations · 800 across the 38 of their papers we have counts for

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5 papers · 1 filter

astro-ph2007★ 3 cited

Morphological Studies of the PWN Candidate HESS J1809-193

Nu. Komin, S. Carrigan, A. Djannati-Ataï +4

The source HESS J1809-193 was discovered in 2006 in data of the Galactic Plane survey, followed by several re-observations. It shows a hard gamma-ray spectrum and the emission is c…

astro-ph2003★ 3 cited

HEGRA Contributions to the 28th International Cosmic Ray Conference

HEGRA Collaboration, in particular, : +10

This preprint encompasses thirteen individual contributions of the HEGRA collaboration to the 28th International Cosmic Ray conference in Tsukuba, Japan. The papers report on resul…

astro-ph1999

On the optimum spacing of stereoscopic imaging atmospheric Cherenkov telescopes

HEGRA Collaboration, W. Hofmann, G. Hermann +4

For stereoscopic systems of imaging atmospheric Cherenkov telescopes (IACTs), a key parameter to optimize the sensitivity for VHE gamma-ray point sources is the intertelescope spac…

astro-ph1999★ 85 cited

Comparison of techniques to reconstruct VHE gamma-ray showers from multiple stereoscopic Cherenkov images

W. Hofmann, I. Jung, A. Konopelko +3

For air showers observed simultaneously by more than two imaging atmospheric Cherenkov telescopes, the shower geometry is overconstrained by the images and image information should…

astro-ph1998★ 1 cited

Locating TeV Gamma-Ray Sources with Sub-Arcminute Precision: the Pointing Calibration of the HEGRA System of Imaging Atmospheric Cherenkov Telescopes

G. Puehlhofer, A. Daum, G. Hermann +4

Stereoscopic viewing of TeV gamma-ray air showers with systems of Imaging Atmospheric Cherenkov Telescopes (IACTs) allows to reconstruct the origin of individual primary particles…