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The formation of the Galactic bulge of the Milky Way

Ness, Melissa; Freeman, Kenneth


We aim to determine if the bulge formed via mergers as predicted by Cold Dark Matter (CDM) theory, or from disk instabilities, as suggested by its boxy shape, or both processes. We are observing about 28,000 bulge stars in fields that span longitudes of - 31 to + 26 and latitudes of - 5 to - 10, targeting mostly red clump giants and we are measuring stellar velocities and chemical abundances. We have almost concluded our observations and have analysed data of 23,000 stars. We find a cylindrical...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: EPJ Web of Conferences
DOI: 10.1051/epjconf/20121906003


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