Testing of the dwarf galaxy content and the evolutionary status of nearby groups of galaxies

Details Testing of the dwarf galaxy content and the evolutionary status of nearby groups of galaxies Testing of the dwarf galaxy content and the evolutionary status of nearby groups of galaxies

2009-08-31

arxiv.org/abs/0908.4478v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

3 pages, 5 figures, to be published in Astronomische Nachrichten (proceedings of Symposium 6 of the JENAM 2008, Vienna)

Scientific paper

We carried out visual and parametric searches for dwarf galaxies in five loose groups of galaxies. Follow-up spectroscopy with the HET has shown a 50% success rate of morphological selection. The evolutionary status of the studied groups differs: while the NGC 6962 group has a partially relaxed core, surrounded by an infall region, the NGC 5005/5033 group and the IC 65 group, which consist only of late-type galaxies, are probably still assembling.

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