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Signatures of star streams in the phase space distribution of nearby halo stars

Dettbarn, C.; Fuchs, B.; Flynn, Chris; Williams, Mary


We have analyzed the phase space distribution of a sample of about 900 non-kinematically selected low metallicity stars in the solar vicinity. The stars primarily represent the thick disk and halo populations of the Milky Way. We aim to identify overdensely populated regions in phase space, which we interpret as signatures of star streams passing close to the Sun. The search was conducted in a space constructed from the angular momenta and eccentricities of the stellar orbits. Besides...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361:20077463


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