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The Globular Cluster System of NGC 5128

Published online by Cambridge University Press:  03 August 2017

Marina Rejkuba*
Affiliation:
ESO, Karl-Schwarzschild-Strasse 2, Garching bei München, Germany and P. Universidad Católica de Chile, Santiago, Chile

Abstract

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On the basis of high resolution ground-based images, taken with VLT and FORS1, 71 bona fide globular clusters were discovered in the halo of NGC 5128. Only 5 of these clusters were previously known. In a UV color-magnitude diagram for the complete sample of 71 clusters and a (U—V)0vs. (V—Ks)0 color-color diagram for a subsample of 23 clusters, the objects span a similar magnitude and color range as the globular clusters in the MW and M31. The GCLFs spanning −10.1 < MV < −4.9 and −9.3 < MU < −3.3 have been constructed. These are the deepest GCLFs of in a gE made so far. The Kolmogorov-Smirnov statistics show that GCLF of the giant elliptical NGC 5128 is consistent with the ones of spiral galaxies like the MW and M31.

Type
Part 2. Globular Cluster Systems of Distant Galaxies
Copyright
Copyright © Astronomical Society of the Pacific 2002 

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