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Further Evidence of a Merger Origin for the Thick Disk: Galactic Stars along Lines of Sight to Dwarf Spheroidal Galaxies

Wyse, Rosemary F G; Gilmore, Gerard; Norris, John; Wilkinson, M I; Kleyna, Jan T; Koch, Andreas; Evans, N W; Grebel, E K

Description

The history of the Milky Way is written in the properties of its stellar populations. Here we analyze stars observed as part of surveys of local dwarf spheroidal galaxies, but which from their kinematics are highly likely to be nonmembers. The selection function-designed to target metal-poor giants in the dwarf galaxies, at distances of ∼100 kpc - includes F-M dwarfs in the Milky Way, at distances of up to several kiloparsecs. The stars whose motions are analyzed here lie in the cardinal...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/26680
Source: Astrophysical Journal, The
DOI: 10.1086/501228

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