Kinematics and chemistry of halo substructures: The vicinity of the Virgo Overdensity

Casey, Andrew; Keller, Stefan; Da Costa, Gary

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Kinematics and chemistry of halo substructures: The vicinity of the Virgo Overdensity

Date

2012

Authors

Casey, Andrew

Keller, Stefan

Da Costa, Gary

Publisher

University of Chicago Press

Abstract

We present observations obtained with the Anglo-Australian Telescope's 2dF wide field spectrograph AAOmega of K-type stars located within a region of the sky which contains the Virgo Overdensity and the leading arm of the Sagittarius Stream. On the basis