Observations with the HEGRA stereoscopic system

2001/03/30 by D. Horns, Horns, D.
Engineering · Physics and Astronomy · #Astrophysics (astro-ph) #Astrophysics and Cosmic Phenomena #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #Particle Accelerators and Free-Electron Lasers

paper · pdf · doi:10.48550/arxiv.astro-ph/0103514

openalex publication_date 2001/03/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The HEGRA system of imaging air Cherenkov telescopes has successfully pioneered the stereoscopic observation technique of extensive air showers. The observational method is briefly described and important results of recent observations of sources of photons with TeV(=10¹² eV)-energies are summarized: The first detection of a TeV γ-ray signal from the shell-type supernova remnant Cassiopeia A and preliminary results obtained from the observation of strong variability of the extragalactic source Mkn 421 during observations carried out from February to May 2000.

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