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Dwarf spheroidal galaxies have a large mass to light ratio and lowastrophysical background, and are therefore considered one of the mostpromising targets for dark matter searches in the gamma-ray band. By applying ajoint likelihood analysis, the power of resultant limits in case of nodetection can be enhanced and robust constraints on the dark matter parameterspace can be obtained. We present results from a combined analysis of 10 dwarfspheroidal galaxies using Fermi-LAT data. Different annihilation channels havebeen analyzed and uncertainties from astrophysical properties have been takeninto account.

Constraining Dark Matter Signal from a Combined Analysis of Milky Way Satellites with the Fermi-LAT