Giant radiogalaxies, e.g. the elliptical galaxy M 87 with a mass of about contain nonthermal energy in form of accelerated particles. Their central engines, possibly supermassive black holes, are supposed to be responsible for the building up of large scale jets. TeV γ-radiation could be produced as a consequence of termination shocks of these jets in the surrounding interstellar medium or due to particle interactions close to the center of these objects. A search for TeV γ-rays from a selection of nearby giant radiogalaxies has been performed by the HEGRA collaboration using the stereoscopic system of five Imaging Air Cherenkov Telescopes (IACTs). The prominent objects Virgo A (M 87), Cygnus A (3C 405) and Perseus A (NGC 1275) have been observed in the years 1998 to 2000.
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2 April 2001
HIGH ENERGY GAMMA-RAY ASTRONOMY: International Symposium
26-30 Jun 2000
Heidelberg (Germany)
Research Article|
April 02 2001
Search for TeV γ-ray emission from giant radiogalaxies with the HEGRA IACT system
N. Götting;
N. Götting
Universität Hamburg, II. Inst. f. Exp. Physik, Luruper Chaussee 149, D-22761 Hamburg
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N. Götting
HEGRA Collaboration
Universität Hamburg, II. Inst. f. Exp. Physik, Luruper Chaussee 149, D-22761 Hamburg
AIP Conf. Proc. 558, 806–809 (2001)
Citation
N. Götting, HEGRA Collaboration; Search for TeV γ-ray emission from giant radiogalaxies with the HEGRA IACT system. AIP Conf. Proc. 2 April 2001; 558 (1): 806–809. https://doi.org/10.1063/1.1370881
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