Carlos Eduardo Barbosa, Magda Arnaboldi, Michael Hilker, Lodovico Coccato, Tom Richtler, Cláudia Mendes de Oliveira
Published 2014-10-02Version 1
Several observations of the central region of the Hydra I galaxy cluster point to a multi-epoch assembly history. Using our novel FORS2/VLT spectroscopic data set, we were able to map the luminosity-weighted age, [Fe/H] and [$\alpha$/Fe] distributions for the stellar populations around the cD galaxy NGC 3311. Our results indicate that the stellar populations follow the trends of the photometric substructures, with distinct properties that may aid to constrain the evolutionary scenarios for the formation of the cluster core.
Comments: Barbosa et al. 2014, in IAU Symp. 309, "Galaxy in 3D across the Universe", B. L. Ziegler, F. Combes, H. Dannerbauer, M. Verdugo, Eds. (Cambridge: Cambridge Univ. Press), in press
Morphology of stellar populations in the Magellanic Clouds using the VMC survey
Dissecting Kinematics and Stellar Populations of Counter-Rotating Galaxies with 2-Dimensional Spectroscopy
The dynamic stage of clusters and its influence on the stellar populations of galaxies
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