Mathematics – Logic
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21910701k&link_type=abstract
American Astronomical Society, AAS Meeting #219, #107.01
Mathematics
Logic
Scientific paper
We study the role of stellar and active galactic nuclei feedback on intermediate-sized galaxies using Adaptive Mesh Refinement hydrodynamic simulations. It is well known that Milky Way-like galaxies show a deficit of baryons compared to the universal baryonic fraction. This is called the "missing baryon problem". Supernova feedback is often invoked as a solution to this discrepancy, but recent studies have suggested that different modelling strategies of the feedback can potentially impact results. Moreover, although feedback from active galactic nuclei can suppress star formation in massive clusters, its impact on smaller galaxies is still unclear. In an attempt to better understand the effect of different feedback mechanisms, we have performed high-resolution (10pc) zoom cosmological simulations with various physical ingredients. Based on these simulations, we will discuss the influence of stellar (energetic stellar explosions) and non-stellar (active galactic nuclei) energy sources on galaxy growth.
Devriendt Julien
Dobois Y.
Kimm Taysun
Slyz Adrianne
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