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Tests of the Radial Tremaine-Weinberg Method
Sharon E. Meidt, Richard J. Rand, Michael R. Merrifield +2
At the intersection of galactic dynamics, evolution and global structure, issues such as the relation between bars and spirals and the persistence of spiral patterns can be address…
Dark-Matter Content of Early-Type Galaxies with Planetary Nebulae
N. R. Napolitano, A. J. Romanowsky, L. Coccato +10
We examine the dark matter properties of nearby early-type galaxies using planetary nebulae (PNe) as mass probes. We have designed a specialised instrument, the Planetary Nebula Sp…
Structure Through Colour: A Pixel Approach Towards Understanding Galaxies
M. M. Lanyon-Foster, C. J. Conselice, M. R. Merrifield
We present a study of pixel Colour Magnitude Diagrams (pCMDs) for a sample of 69 nearby galaxies chosen to span a wide range of Hubble types. Our goal is to determine how useful a…
The formation of S0 galaxies: evidence from globular clusters
J. M. Barr, A. G. Bedregal, A. Aragon-Salamanca +2
We test the theory that lenticular (S0) galaxies form from spirals whose star formation has been shut down. We use the globular cluster specific frequency S_N, defined as the numbe…
Central Stellar Populations of S0 Galaxies in The Fornax Cluster
A. G. Bedregal, A. Aragón-Salamanca, M. R. Merrifield +1
Based on FORS2-VLT long-slit spectroscopy, the analysis of the central absorption line indices of 9 S0 galaxies in the Fornax Cluster is presented. Central indices correlate with c…