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We present a new photometric study of NGC 3258 and NGC 3268 globular clustersystems (GCSs), using images in filters $B,C,V,R,I$ and $z'$, obtained fromfour different telescopes. The wide spatial coverage allow us to estimate thewhole extension of both GCSs more precisely than in previous works, and newvalues for the richness of GCs subpopulations. We find differences in theazimuthal distribution between blue (metal-poor) and red (metal-rich) globularclusters (GCs), and confirm that radial profiles flatten towards the centre ofthe galaxies. In both cases we detected a radial gradient in the colour peak ofblue GCs which might be related to the construction of the GCSs. We analyse thesimilarities and differences in both GCSs, in the context of the posibleevolutionary histories of the host galaxies. We also obtain photometricmetallicities for a large number of GC candidates around NGC 3258, by applyingmulticolour-metallicity relations. These results confirm the bimodalmetallicity distribution.

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