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Cambridge University Press (CUP), Proceedings of the International Astronomical Union, S309(10), p. 223-224, 2014

DOI: 10.1017/s1743921314009727

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A 3D view of the Hydra I cluster core- II. Stellar populations

Journal article published in 2014 by Carlos Eduardo Barbosa ORCID, Magda Arnaboldi ORCID, Michael Hilker ORCID, Lodovico Coccato, Tom Richtler, Cláudia Mendes de Oliveira
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

AbstractSeveral 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 [α/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.

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