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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


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
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2295
Access Rights: Open Access


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