Results 31 to 40 of about 120,847 (208)
THE CENTRAL DARK MATTER DISTRIBUTION OF NGC 2976 [PDF]
The Astrophysical Journal, 2012 20 pages, 15 figures, accepted by ...
Adams, Joshua J. +7 more
openaire +4 more sources
Dark Matter in γ lines: Galactic Center vs. dwarf galaxies [PDF]
, 2016 International audienceWe provide CTA sensitivities to Dark Matter (DM) annihilation in γ-ray lines, from the observation of the Galactic Center (GC) as well as, for the first time, of dwarf Spheroidal galaxies (dSphs).
Moulin, Emmanuel +9 more
core +1 more source
DISTRIBUTION FUNCTION IN THE CENTER OF THE DARK MATTER HALO [PDF]
International Journal of Modern Physics D, 2009 N-body simulations of dark matter halos show that the density profiles of the halos behave as ρ(r) ∝ r-α(r), where the density logarithmic slope α ≃ 1–1.5 in the center and α ≃ 3–4 in the outer parts of the halos. However, some observations are not in agreement with simulations in the very central region of the halos.
Ma, Ding, He, Ping
openaire +2 more sources
The dark matter content of early-type barred galaxies [PDF]
, 2004 The dynamics of a barred galaxy depends on the pattern speed of its bar. The only direct method for measuring the pattern speed of a bar is the Tremaine-Weinberg technique.
CORSINI, ENRICO MARIA +1 more
core +1 more source
Measurement of anisotropy of dark matter velocity distribution using directional detection
EPJ Web of Conferences, 2018 Although the velocity distribution of dark matter is assumed to be generally isotropic, some studies have found that ~25% of the distribution can have anisotropic components.
Nagao Keiko I.
doaj +1 more source
Dark matter induced Brownian motion
European Physical Journal C: Particles and Fields, 2020 We discuss a novel approach for directional, light dark matter searches inspired by the high precision position measurements achieved in gravitational wave detectors.
Ting Cheng +2 more
doaj +1 more source
Estimating Dark Matter Distributions
The Astrophysical Journal, 2005 Thanks to instrumental advances, new, very large kinematic datasets for nearby dwarf spheroidal (dSph) galaxies are on the horizon. A key aim of these datasets is to help determine the distribution of dark matter in these galaxies. Past analyses have generally relied on specific dynamical models or highly restrictive dynamical assumptions.
Wang, Xiao +4 more
openaire +2 more sources
Distribution of annihilation luminosities in dark matter substructure [PDF]
Physical Review D, 2010 We calculate the probability distribution function (PDF) of the expected annihilation luminosities of dark matter subhalos as a function of subhalo mass and distance from the Galactic center using a semi-analytical model of halo evolution. We find that the PDF of luminosities is relatively broad, exhibiting a spread of as much as an order of magnitude ...
Koushiappas, Savvas M. +2 more
openaire +2 more sources
, 2013 Based on observational tests of large scale structure and constraints on halo structure, dark matter is generally taken to be cold and essentially collisionless.
Fan, JiJi +3 more
core +1 more source
The Distribution of Satellite Galaxies in the IllustrisTNG100 Simulation
The Astrophysical Journal, 2022 We investigate the spatial distribution of the satellites of isolated host galaxies in the IllustrisTNG100 simulation. In agreement with a previous, similar analysis of the Illustris-1 simulation, the satellites are typically poor tracers of the mean ...
Bryanne McDonough, Tereasa G. Brainerd
doaj +1 more source