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The ACS survey of galactic globular clusters. XI. The three-dimensional orientation of the Sagittarius dwarf spheroidal galaxy and its globular clusters

Siegel, M; Majewski, S; Law, David R; Sarajedini, A; Dotter, Aaron; Marin-Franch, A; Chaboyer, Brian; Anderson, Jay; Aparicio, Antonio; Bedin, L R; Hempel, Maren; Milone, Antonino; Paust, Nathaniel


We use observations from the Hubble Space Telescope Advanced Camera for Surveys (HST/ACS) study of Galactic globular clusters to investigate the spatial distribution of the inner regions of the disrupting Sagittarius dwarf spheroidal galaxy (Sgr). We combine previously published analyses of four Sgr member clusters located near or in the Sgr core (M54, Arp 2, Terzan 7, and Terzan 8) with a new analysis of diffuse Sgr material identified in the background of five low-latitude Galactic bulge...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/743/1/20


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