PoS - Proceedings of Science
Volume 301 - 35th International Cosmic Ray Conference (ICRC2017) - Session Dark Matter. DM-indirect searches
Searching for TeV DM evidence from Dwarf Irregular Galaxies with the HAWC Observatory
S. Hernández,* R. Alfaro, A. Sandoval, E. Belmont, H. Leon Vargas, V. Grammaldi, P. Salucci, E. Karukes on behalf of the HAWC Collaboration
*corresponding author
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Pre-published on: August 16, 2017
Published on: August 03, 2018
Abstract
Searching for TeV DM evidence from Dwarf Irregular Galaxies with the HAWC Observatory

The dynamics of dwarf irregular (dIrr) galaxies are observed to be dominated by dark matter (DM). Recently, the DM density distribution has been studied for 31 dIrrs. Their extended DM halo (Burket type profile) makes these objects good candidates for DM searches. Located in Puebla (Mexico), the High Altitude Water Cherenkov (HAWC) Observatory is an optimal in- strument to perform such DM searches, because of its large sky coverage (8.4 sr per day). We analyzed a set of two years of HAWC data and we found no significant DM signal from dIrr galaxies. We present the upper limits for DM annihilation cross-section with dIrr galaxies.
DOI: https://doi.org/10.22323/1.301.0897
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