Results 11 to 20 of about 8,080,766 (192)
Dark matter annihilation in the halo of the Milky Way [PDF]
Monthly Notices of the Royal Astronomical Society, 2003 If the dark matter in the Universe is made of weakly self-interacting particles, they may self-annihilate and emit gamma-rays. We use high resolution numerical simulations to estimate directly the annihilation flux from the central regions of the Milky Way and from dark matter substructures in its halo.
STOEHR F +4 more
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THE MILKY WAY'S DARK MATTER HALO APPEARS TO BE LOPSIDED [PDF]
The Astrophysical Journal, 2009 37 pages, 8 figures, accepted for publication in ...
Saha, Kanak +3 more
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Dark matter decay in the Milky Way halo [PDF]
Dark matter may be detected in X-ray decay, including from the decay of the dark matter particles that make up the Milky Way (MW) halo. We use a range of density profiles to compute X-ray line intensity profiles, with a focus on the resonantly produced sterile neutrino dark matter candidate.
Lovell, Mark R.
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The Milky Way's Inner Halo: Stellar Halo & Dark Matter Halo
, 2019 This presentation reviews the dynamical properties and origin of the stellar halo, and the distribution of dark matter in the inner Milky Way.
Gerhard, Ortwin +1 more
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Is the dark matter halo of the Milky Way flattened? [PDF]
Astronomy & Astrophysics, 2006 We performed an extended analysis of the parameter space for the interaction of the Magellanic System with the Milky Way (MW). The varied parameters cover the phase space parameters, the masses, the structure, and the orientation of both Magellanic Clouds, as well as the flattening of the dark matter halo of the MW. The analysis was done by a specially
Ruzicka, Adam +2 more
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Machine Learning the Dark Matter Halo Mass of Milky Way-Like Systems [PDF]
The Open Journal of AstrophysicsDespite the Milky Way's proximity to us, our knowledge of its dark matter halo is fairly limited, and there is still considerable uncertainty in its halo mass.
Elaheh Hayati +2 more
doaj +2 more sources
A Study of the Dynamical Structures in a Dark Matter Halo Using UMAP [PDF]
The Astrophysical JournalWe use a dimension reduction algorithm, Uniform Manifold Approximation and Projection (UMAP), to study dynamical structures inside a dark matter halo. We use a zoom-in simulation of a Milky Way mass dark matter halo and apply UMAP to the six-dimensional ...
Soorya Narayan, Susmita Adhikari
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The twisted dark matter halo of the Milky Way [PDF]
Monthly Notices of the Royal Astronomical Society, 2020 ABSTRACT We analyse systems analogous to the Milky Way (MW) in the eagle cosmological hydrodynamics simulation in order to deduce the likely structure of the MW’s dark matter (DM) halo. We identify MW mass haloes in the simulation whose satellite galaxies have similar kinematics and spatial distribution to those of the bright satellites ...
Shi Shao +3 more
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How Lumpy Is the Milky Way’s Dark Matter Halo? [PDF]
The Astrophysical Journal, 2002 CDM simulations predict that there are hundreds of lumps of with masses greater than 10e7 solar masses in the Milky Way halo. However, we know of only a dozen dwarf satellites close to this mass. Are these lumps simply lacking in stars or is there a fundamental flaw in our most popular cosmology?
Johnston, Kathryn V. +2 more
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A first estimate of the Milky Way dark matter halo spin [PDF]
Astronomy & Astrophysics, 2021 The spin, or normalized angular momentumλ, of dark matter halos in cosmological simulations follows a log normal distribution and has little correlation with galaxy observables such as stellar masses or sizes. There is currently no way to infer theλparameter of individual halos hosting observed galaxies.
Aura Obreja +2 more
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