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          Institute: MPI für Kernphysik     Collection: High-Energy Astrophysics     Display Documents



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ID: 522339.0, MPI für Kernphysik / High-Energy Astrophysics
New unidentified H.E.S.S. Galactic sources
Authors:Tibolla, Omar; Chaves, Ryan; de Jager, O.; Domainko, Wilfried; Fiasson, A.; Komin, N.; Kosack, K.
Language:English
Corporate body:for the Hess Collaboration
Research Context:hess
Name of Conference/Meeting:31th International Cosmic Ray Conference
Place of Conference/Meeting:Lodz, Poland
(Start) Date of Event 
 (YYYY-MM-DD):
2009-07-07
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2009-07-15
Audience:Experts Only
Abstract / Description:H.E.S.S. is one of the most sensitive instruments in the very high energy (VHE; > 100 GeV) gamma-ray domain and has revealed many new sources along the Galactic Plane. After the successful first VHE Galactic Plane Survey of 2004, H.E.S.S. has continued and extended that survey in 2005-2008, discovering a number of new sources, many of which are unidentified. Some of the unidentified H.E.S.S. sources have several positional counterparts and hence several different possible scenarios for the origin of the VHE gamma-ray emission; their identification remains unclear. Others have so far no counterparts at any other wavelength. Particularly, the lack of an X-ray counterpart puts serious constraints on emission models. Several newly discovered and still unidentified VHE sources are reported here.
Free Keywords:gamma-ray, Hess
Document Type:Poster
Affiliations:MPI für Kernphysik/Group of W. Hofmann/Experimental High-Energy Astrophysics (M. Panter, G. Hermann)
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