Bonn 2001 – scientific programme

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T: Teilchenphysik

T 503: Kosmische Strahlung 6

T 503.8: Talk

Wednesday, March 28, 2001, 18:00–18:15, HS XII

Astrophysical implications of the Crab Nebula observations with the HEGRA system of IACT — •Alexander Konopelko — Max-Planck-Institut für Kernphysik, Heidelberg

The Crab Nebula has been observed by the HEGRA (High-Energy Gamma-Ray Astronomy) stereoscopic system of imaging air Cherenkov telescopes (IACTs) for a total of about 200 hrs in 1997-1999. The energy spectrum can be fitted by pure power law of a spectrum index of 2.6 over the energy range from 500 GeV up to 20 TeV. Here I will discuss the physics parameters of the nebula environment as well as the models of a photon emission.