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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents

ID: 544249.0, MPI für Physik / MPI für Physik
Observations of VHE Gamma Radiation from HESS J 1813-178 with the MAGIC Telescope
Authors:Bartko, H.; Bretz, T.; Bednarek, W.; Cortina, J.; Goebel, F.; Gaug, M.; Hayashida, M.; Mariotti, M.; Mazin, D.; Mirzoyan, R.; Mizobuchi, S.; Moralejo, A.; de Ona, E.; Otte, N.; Rico, J.; Schweizer, T.; Teshima, M.; Torres, D.; Wittek, W.
Date of Publication (YYYY-MM-DD):2005
Title of Proceedings:ICRC 2005
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Recently, gamma radiation above a few hundred GeV has been detected from eight new sources in the Galactic Plane by the HESS collaboration. The source HESS J 1813-178 (HESS1813) has caused particular interest as its nature was unknown. Subsequent radio observations imply an association with the SNR G12.82-0.02. The source has also been detected by the INTEGRAL and ASCA satellites. At La Palma this source culminates at a zenith angle (ZA) of about 47$^{\circ}$. MAGIC has observed the source up to 52$^{\circ}$ ZA, for 20 hours in June and July 2005. The large zenith angle observations lead to a good sensitivity for energies in the TeV range. The observation confirms the VHE gamma emission from HESS J 1813-178. A preliminary flux determination yields a flux above 300 GeV of about 6\% of the Crab flux with a rather hard spectrum.
Classification / Thesaurus:MAGIC
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N.N.
Affiliations:MPI für Physik
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