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Modeling Dwarf Satellites Of The Milky Way
Weerasooriya, Sachithra Ishani
Weerasooriya, Sachithra Ishani
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2020
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Dwarf galaxies are the most abundant type of galaxies in the universe. They are the building blocks of hierarchical structure formation, and their shallow gravitational potentials make them extremely sensitive to internal and environmental feedback (e.g.star formation, ram pressure stripping). Their sensitivity makes them excellent probes of the physics of star formation. While the Milky Way type galaxies are well simulated with hydrodynamic simulations, the study of dwarf populations beyond the Local Group remains largely unexplored. Hence, how universal star formation processes are in dwarf galaxies is undetermined. In this project, we determine the parameters of a semi-analytic model (SAM), which will best fit the extensive observations and hydrodynamic simulations available for Milky Way satellites using high-resolution N body simulation. This will allow us to calibrate our SAM for well-known Milky Way satellites, thereby allowing us to explore the stellar physics of local volume dwarf galaxies in the future.
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Physics and Astronomy