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The Mass Distribution of Companions to Low-Mass White Dwarfs
Jeff J. Andrews, Adrian M. Price-Whelan, Marcel A. Agüeros
Measuring the masses of companions to single-line spectroscopic binary stars is (in general) not possible because of the unknown orbital plane inclination. Even when the mass of th…
Tidal Stream Morphology as an Indicator of Dark Matter Halo Geometry: the Case of Palomar 5
Sarah Pearson, Andreas H. W. Küpper, Kathryn V. Johnston +1
This paper presents an example where the morphology of a single stellar stream can be used to rule out a specific galactic potential form without the need for velocity information.…
Inferring the gravitational potential of the Milky Way with a few precisely measured stars
Adrian M. Price-Whelan, David W. Hogg, Kathryn V. Johnston +1
The dark matter halo of the Milky Way is expected to be triaxial and filled with substructure. It is hoped that streams or shells of stars produced by tidal disruption of stellar s…