Sagittarius Dwarf galaxy observations by H.E.S.S.: search for a Dark Matter signal

Details Sagittarius Dwarf galaxy observations by H.E.S.S.: search for a Dark Matter signal Sagittarius Dwarf galaxy observations by H.E.S.S.: search for a Dark Matter signal

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sf2a.conf..168f&link_type=abstract

SF2A-2007: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics held in Grenoble, France, July

Astronomy and Astrophysics

Astrophysics

Scientific paper

The Sagittarius Dwarf spheroidal galaxy has been observed in June 2006 with the H.E.S.S. array of Imaging Atmospheric Cherenkov Telescopes. The dwarf spheroidal galaxies are one of the most promising targets for the search for a WIMP annihilation signal with high energy gamma rays in final state. Eleven hours of high quality data were analysed after selections and modelling of the Sagittarius Dwarf halo profile following to the latest set of its structural parameters. The data allowed to put constraints on the velocity-weighted annihilation cross section in Supersymmetric and Kaluza-Klein scenarii.

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