Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 94: Gammaastronomie III

T 94.5: Vortrag

Mittwoch, 17. März 2010, 15:00–15:15, HG VII

The Extended H.E.S.S. Galactic Plane Survey — •Ryan C. G. Chaves — Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany

The High-Energy Stereoscopic System (H.E.S.S.), located in the Khomas Highland of Namibia, is an array of four imaging atmospheric-Cherenkov telescopes designed to detect gamma-rays in the very-high-energy (VHE; E > 100 GeV) domain. Its high sensitivity and large field-of-view (5 deg.) make it an ideal instrument to perform a comprehensive survey of the Galaxy. Using data collected in 2004, the Galactic Plane Survey (GPS) of the inner Galaxy led to the detection of 14 VHE gamma-ray-emitting sources within the region of Galactic longitude |l| < 30 deg and latitude |b| < 3 deg. Since then, the H.E.S.S. GPS has been extended significantly in longitude, out to l = 275 deg and l = 60 deg. The effective exposure has also greatly increased in the originally surveyed region. This extended, deeper survey now encompasses most of the first and fourth Galactic quadrants and has led to the discovery of numerous additional VHE gamma-ray emitters with high statistical significance. The current status and latest results of the extended H.E.S.S. GPS will be presented.

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