Observations of the Crab nebula with H.E.S.S.

Details Observations of the Crab nebula with H.E.S.S. Observations of the Crab nebula with H.E.S.S.

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..745..617m&link_type=abstract

HIGH ENERGY GAMMA-RAY ASTRONOMY: 2nd International Symposium on High Energy Gamma-Ray Astronomy. AIP Conference Proceedings, Vo

Astronomy and Astrophysics

Astronomy

5

Supernova Remnants, Gamma-Ray Sources, Gamma-Ray Bursts, X- And Gamma-Ray Telescopes And Instrumentation

Scientific paper

The Crab nebula was observed with the H.E.S.S. stereoscopic Cherenkov telescope system in 2003, using three of the four telescopes. The data, taken at large zenith angles, show a clear signal with a significance close to 50 standard deviations and serve to verify the performance and calibration of the instrument. The energy spectrum of γ-ray emission from the Crab nebula is measured and is found to follow a straight power law, given by dN/dE = 3.3E-2.57cm-2TeV-1s-1, with a threshold energy of 350 GeV. A measurement of the exact position of the TeV emission is made.

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