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Investigating the merger origin of early-type galaxies using ultra-deep optical images
(2010-12-01)
The mass assembly of galaxies leaves various imprints on their surroundings, such as shells, streams and tidal tails. The frequency and properties of these fine structures depend on the mechanism driving the mass assembly: ...
Molecular gas and star formation in local early-type galaxies
(2010-12-01)
The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited ...
Formation of slowly rotating early-type galaxies via major mergers: a resolution study
(2010)
We study resolution effects in numerical simulations of gas-rich and gas-poor major mergers, and show that the formation of slowly rotating elliptical galaxies often requires a resolution that is beyond the present-day ...