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On the frequency, intensity and duration of starburst episodes triggered by galaxy interactions and mergers
P. Di Matteo, F. Bournaud, M. Martig +3
We investigate the intensity enhancement and the duration of starburst episodes, triggered by major galaxy interactions and mergers. To this aim, we analyze two large statistical d…
Galaxy mergers at high resolution: From elliptical galaxies to tidal dwarfs and globular clusters
F. Bournaud, M. Bois, E. Emsellem +1
Numerical simulations of galaxy mergers are a powerful tool to study these fundamental events in the hierarchical built-up of galaxies. Recent progress have been made owing to impr…
Bulge Formation by the Coalescence of Giant Clumps in Primordial Disk Galaxies
Bruce G. Elmegreen, Frederic Bournaud, Debra Meloy Elmegreen
Gas-rich disks in the early universe are highly turbulent and have giant star-forming clumps. Models suggest the clumps form by gravitational instabilities, and if they resist disr…
Numerical simulations of galaxy evolution in cosmological context
Marie Martig, Frederic Bournaud, Romain Teyssier
Large volume cosmological simulations succeed in reproducing the large-scale structure of the Universe. However, they lack resolution and may not take into account all relevant phy…
High-resolution simulations of galaxy mergers: Resolving globular cluster formation
F. Bournaud, P. -A. Duc, E. Emsellem
Massive star clusters observed in galaxy mergers are often suggested to be progenitors of globular clusters. To study this hypothesis, we performed the highest resolution simulatio…
Nuclear Black Hole Formation in Clumpy Galaxies at High Redshift
Bruce G. Elmegreen, Frederic Bournaud, Debra Meloy Elmegreen
Massive stellar clumps in high redshift galaxies interact and migrate to the center to form a bulge and exponential disk in <1 Gyr. Here we consider the fate of intermediate mass b…