GLAST and Dark Matter Substructure in the Milky Way

Details GLAST and Dark Matter Substructure in the Milky Way GLAST and Dark Matter Substructure in the Milky Way

2007-04-07

arxiv.org/abs/0704.0944v1

AIP Conf.Proc.921:135-138,2007

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to be published in "The Proceedings of the First International GLAST Symposium", February 5-8, 2007, Stanf

Scientific paper

10.1063/1.2757285

We discuss the possibility of GLAST detecting gamma-rays from the annihilation of neutralino dark matter in the Galactic halo. We have used "Via Lactea", currently the highest resolution simulation of Galactic cold dark matter substructure, to quantify the contribution of subhalos to the annihilation signal. We present a simulated allsky map of the expected gamma-ray counts from dark matter annihilation, assuming standard values of particle mass and cross section. In this case GLAST should be able to detect the Galactic center and several individual subhalos.

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