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Dissecting galactic bulges in space and time - I. The importance of early formation scenarios versus secular evolution

Seidel, M. K.; Cacho, R.; Ruiz-Lara, T.; Falcon-Barroso, J; Perez, I.; Sanchez-Blazquez, P; Vogt, Frederic; Ness, M; Freeman, Kenneth; Aniyan, Suryashree

Description

The details of bulge formation via collapse, mergers, secular processes or their interplay remain unresolved. To start answering this question and quantify the importance of distinct mechanisms, we mapped a sample of three galactic bulges using data from the integral field spectrograph WiFeS on the ANU's 2.3-m telescope in Siding Spring Observatory. Its high-resolution gratings (R ∼ 7000) allow us to present a detailed kinematic and stellar population analysis of their inner structures with...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152595
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2295
Access Rights: Open Access

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