Globular cluster systems of early--type galaxies in Fornax

Details Globular cluster systems of early--type galaxies in Fornax Globular cluster systems of early--type galaxies in Fornax

1996-08-13

arxiv.org/abs/astro-ph/9608082v1

Astronomy and Astrophysics

Astrophysics

12 pages (including 11 .ps figures), A&A style, accepted for publication in A&A, also available at http://aibn55.astro.uni-b

Scientific paper

We studied the properties of the globular cluster systems of five early--type galaxies in the Fornax galaxy cluster: NGC 1374, NGC 1379, NGC 1387, NGC 1427, and the central giant elliptical NGC 1399. From the investigation of their number of globular clusters, specific frequency, color distribution, surface density profile, and spatial distribution, we conclude that our faint ellipticals have no more globular clusters than spirals of the same mass, and neither differ in their other properties. For these galaxies there is no need to imply a different formation scenario of the globular cluster system. The central giant elliptical has far more globular clusters and show signatures of a different history in the building up of its globular cluster system.

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