Globular cluster systems as tracers of the evolutionary history in NGC 3258 and NGC 3268

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dc.contributor.authorCaso, Juan Pablo
dc.contributor.authorBassino, Lilia P.
dc.contributor.authorGómez, Matías
dc.date.accessioned2024-03-26T16:27:35Z
dc.date.available2024-03-26T16:27:35Z
dc.date.issued2017-09
dc.descriptionIndexación: Scopus
dc.description.abstractWe present a new photometric study of NGC 3258 and NGC 3268 globular cluster systems (GCSs), using images in filters B, C, V, R, I and z', obtained from four different telescopes. The wide spatial coverage allows us to estimate the whole extension of both GCSs more precisely than in previous works, and new values for the richness of GC subpopulations. We find differences in the azimuthal distribution between blue (metal-poor) and red (metal-rich) globular clusters (GCs), and confirm that radial profiles flatten towards the centre of the galaxies. In both cases we detected a radial gradient in the colour peak of blue GCs which might be related to the construction of the GCSs. We analyse the similarities and differences in both GCSs, in the context of the possible evolutionary histories of the host galaxies. We also obtain photometric metallicities for a large number of GC candidates around NGC 3258, by applying multicolour-metallicity relations. These results confirm the bimodal metallicity distribution. © 2017 The Authors.
dc.description.urihttps://academic-oup-com.recursosbiblioteca.unab.cl/mnras/article/470/3/3227/3862543
dc.identifier.citationMonthly Notices of the Royal Astronomical Society Volume 470, Issue 3, Pages 3227 - 323821 September 2017
dc.identifier.doi10.1093/MNRAS/STX1393
dc.identifier.issn0035-8711
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/55323
dc.language.isoen
dc.publisherJournal
dc.rights.licenseCC BY 4.0 DEED Atribución 4.0 Internacional
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectCD
dc.subjectGalaxies: elliptical and lenticular
dc.subjectGalaxies: evolution
dc.subjectGalaxies: star clusters: individual: NGC 3258 & NGC 3268
dc.titleGlobular cluster systems as tracers of the evolutionary history in NGC 3258 and NGC 3268
dc.typeArtículo
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