Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-01-18
Phys.Rev.D77:083005,2008
Astronomy and Astrophysics
Astrophysics
7 pages, 1 figure
Scientific paper
10.1103/PhysRevD.77.083005
High precision planet orbital data extracted from direct observation, spacecraft explorations and laser ranging techniques enable to put a strong constraint on the maximal dark matter density of a spherical halo centered around the Sun. The maximal density at Earth's location is of the order $10^5$ ${\rm GeV/cm^3}$ and shows only a mild dependence on the slope of the halo profile, taken between 0 and -2. This bound is somewhat better than that obtained from the perihelion precession limits.
Frere Jean-Marie
Ling F.-S.
Vertongen Gilles
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