MAGIC observations of very high energy gamma-rays from HESS J1813-178

Details MAGIC observations of very high energy gamma-rays from HESS J1813-178 MAGIC observations of very high energy gamma-rays from HESS J1813-178

2005-12-12

arxiv.org/abs/astro-ph/0512283v1

Astrophys.J.637:L41-L44,2006

Astronomy and Astrophysics

Astrophysics

Accepted by ApJ Letters

Scientific paper

10.1086/500364

Recently, the HESS collaboration has reported the detection of gamma-ray emission above a few hundred GeV from eight new sources located close to the Galactic Plane. The source HESS J1813-178 has sparked particular interest, as subsequent radio observations imply an association with SNR G12.82-0.02. Triggered by the detection in VHE gamma-rays, a positionally coincident source has also been found in INTEGRAL and ASCA data. In this Letter we present MAGIC observations of HESS J1813-178, resulting in the detection of a differential gamma-ray flux consistent with a hard-slope power law, described as dN/(dA dt dE) = (3.3+/-0.5)*10^{-12} (E/TeV)^{-2.1+/-0.2} cm^(-2)s^(-1)TeV^(-1). We briefly discuss the observational technique used, the procedure implemented for the data analysis, and put this detection in the perspective of multifrequency observations.

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