Preprint

PUBDB-2026-00331

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png HEGS : Revisiting a decade of H.E.S.S. extragalactic observations

Brun, F. ; Sanchez, D. ; Taylor, A. (Corresponding author)DESY* ; Cerruti, M. ; Lenain, J.-P.

2025

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Please use a persistent id in citations: doi:10.3204/PUBDB-2026-00331

Report No.: arXiv:2512.16005

Abstract: During its first phase, from 2004 up to the end of 2012, the H.E.S.S. (High Energy StereoscopicSystem) experiment observed the extragalactic skies for more than 2700 hours. These data have been re-analysed in a single consistent framework, leading to the derivation of a catalog of 23 sources. In total, about 5.7% of the sky was observed, allowing for several additional studies to be conducted: source variability, extragalactic gamma-ray background light, and comparison with the Fermi-LAT catalogues. In this contribution, we discuss these results and present the high-level data (catalogs, maps) released to the astrophysical community.

Note: Presented at the 39th International Cosmic Ray Conference (ICRC 2025)

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Contributing Institute(s):

1. Theoretische Astroteilchenphysik (Z_THAT)
2. Gammaastronomie (Z_GA)

Research Program(s):

1. 613 - Matter and Radiation from the Universe (POF4-613) (POF4-613)

Experiment(s):

1. High Energy Stereoscopic System

Appears in the scientific report 2025

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Database coverage:
; ; Published

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article/Contribution to a conference proceedings/Contribution to a book Brun, F. ; Sanchez, D. ; Taylor, A. (Corresponding author)DESY* ; Cerruti, M. ; Lenain, J.-P.
HEGS : Revisiting a decade of H.E.S.S. extragalactic observations
202539th International Cosmic Ray Conference, ICRC 2025, GenevaGeneva, Switzerland, 14 Jul 2025 - 24 Jul 20252025-07-142025-07-24 Proceedings of Science / International School for Advanced Studies (ICRC2025), 585 (2025) [10.22323/1.501.0585]2025     Files  Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

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