Dark Matter in Draco: new considerations of the expected gamma flux in IACTs

Details Dark Matter in Draco: new considerations of the expected gamma flux in IACTs Dark Matter in Draco: new considerations of the expected gamma flux in IACTs

2006-09-25

arxiv.org/abs/astro-ph/0609652v1

Astronomy and Astrophysics

Astrophysics

7 pages, 5 figures, to appear in the Proceedings of the workshop "The dark side of the Universe", Madrid, June 20-24, 2006

Scientific paper

10.1063/1.2409077

A new revision of the gamma flux that we expect to detect in Imaging Atmospheric Cherenkov Telescopes (IACTs) from SUSY dark matter annihilation in the Draco dSph is presented using the dark matter density profiles compatible with the latest observations. This revision takes also into account the important effect of the Point Spread Function (PSF) of the Cherenkov telescope. We show that this effect is crucial in the way we will observe and interpret a possible signal profile in the telescope. Given these new considerations, some light can be shed on the recent signal excess reported by the CACTUS experiment.

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