Fitting LMC low-frequency radio data with a dark matter plus cosmic-ray double power-law model yields dark-matter flux limits of 98.4 to 114.8 Jy at 1.4 GHz, which translate to annihilation cross-section bounds above the thermal relic value.
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Constraints on dark matter annihilation in the Large Magellanic Cloud from multiple low-frequency radio observations
Fitting LMC low-frequency radio data with a dark matter plus cosmic-ray double power-law model yields dark-matter flux limits of 98.4 to 114.8 Jy at 1.4 GHz, which translate to annihilation cross-section bounds above the thermal relic value.