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Uncertainties in the Galactic Dark Matter distribution: An update

Iocco, Fabio; Benito, María; Cuoco, Alessandro

We present here a quantitative estimate of the impact of uncertainties of astrophysical nature on the determination of the dark matter distribution within our Galaxy, the Milky Way. Based on an update of a previous analysis, this work is motivated by recent new determinations of astrophysical quantities of relevance - such as the Galactic paramete…

Implications of triangular features in the Gaia skymap for the Caustic Ring Model of the Milky Way halo

Gonzalez, Anthony H.; Chakrabarty, Sankha S.; Sikivie, Pierre +1 more

The Gaia map of the Milky Way reveals a pair of triangular features at nearly symmetric locations on opposite sides of the Galactic Center. In this paper we explore the implications of these features assuming they are manifestations of a caustic ring in the dark matter distribution of the Milky Way halo. The existence of a series of such rings is …