The complex star cluster system of NGC 1316 (Fornax A)

Abstract

This paper presents Gemini-$gr{i}^{\prime }$ high quality photometry for cluster candidates in the field of NGC 1316 (Fornax A) as part of a study that also includes GMOS spectroscopy. A preliminary discussion of the photometric data indicates the presence of four stellar cluster populations with distinctive features in terms of age, chemical abundance and spatial distribution. Two of them seem to be the usually old (metal poor and metal rich) populations typically found in elliptical galaxies. In turn, an intermediate-age (5 Gyr) globular cluster population is the dominant component of the sample (as reported by previous papers). We also find a younger cluster population with a tentative age of $\approx$ 1 Gyr.

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• Field/Isolated lenticular galaxies with high $S_N$ values: the case of NGC 4546 and its globular cluster system
• The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster
• The globular cluster system of the isolated elliptical NGC 6411: An old system in an intermediate-age galaxy?
• Wide-field study of the peculiar globular cluster system hosted by the field lenticular NGC 1172
• Spatial Structures in the Globular Cluster Distribution of Fornax Cluster Galaxies
• The turbulent life of NGC 4696 as told by its globular cluster system
• Deep MOS Spectroscopy of NGC 1316 Globular Clusters
• A song of interactions and mergers: The case of NGC 4709