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Dark matter annihilation signals from the Large Magellanic Cloud and its impact on the Milky Way
Evan Vienneau, Evan Batteas, Addy J. Evans +3
We study the dark matter (DM) annihilation signals from the Large Magellanic Cloud (LMC) and the impact of the LMC on the DM annihilation signals from the Milky Way (MW) halo, usin…
Enhancements in velocity-dependent dark matter annihilation in Galactic subhalos
Odelia V. Hartl, Evan Vienneau, Evan Batteas +3
We examine velocity-dependent dark matter annihilation in subhalos using a sample of six Milky Way-like galaxies from the Aurgia simulation suite. We quantify the enhancement in th…
Significant impact of Galactic dark matter particles on annihilation signals from Sagittarius analogues
Evan Vienneau, Addy J. Evans, Odelia V. Hartl +4
We examine the gamma-ray signal from dark matter (DM) annihilation from analogues of the Sagittarius (Sgr) dwarf spheroidal galaxy in the Auriga cosmological simulations. For veloc…
On the gamma-ray emission from the core of the Sagittarius dwarf galaxy
Addy J. Evans, Louis E. Strigari, Oskar Svenborn +5
We use data from the Large Area Telescope onboard the Fermi gamma-ray space telescope (Fermi-LAT) to analyze the faint gamma-ray source located at the center of the Sagittarius (Sg…
Constraints on MeV dark matter and primordial black holes: Inverse Compton signals at the SKA
Bhaskar Dutta, Arpan Kar, Louis E. Strigari
We investigate the possibilities for probing MeV dark matter (DM) particles and primordial black holes (PBHs) (for masses -- g) at the upcoming radio telesco…
The glow of annihilating dark matter in Omega Centauri
Anthony M. Brown, Richard Massey, Thomas Lacroix +3
Dark matter (DM) is the most abundant material in the Universe, but has so far been detected only via its gravitational effects. Several theories suggest that pairs of DM particles…