The lowest metallicity stars that still exist today represent a window into the early Universe. Studying these stars gives us a local avenue to guide our...
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CharlaProbing the early Milky Way with the Pristine survey
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CharlaReconstructing the history of the Milky Way and probing the dark matter nature in WEAVE and LSST era
At present, our understanding of the formation history of the MW is limited due to the complexity of observing the imprints of accretion events and of...
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CharlaRelative ages of Galactic globular clusters. Clues to the Milky Way formation time scales
Based on observations with the Advanced Camera for Surveys (ACS), I will present accurate relative ages for a sample of 64 Galactic globular clusters. This...
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CharlaSimulations I
1- The use and abuse of N-body codes - relaxation in spheres and disks, collective enhancement - code structure, block time steps
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CharlaSimulations II
2- Poisson solvers - trees - fixed and adaptive grids - parallelization
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CharlaSimulations III
3- Setting up equilibrium models - choosing from a DF, Jeans equations and their limitations - disk-bulge-halo models
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CharlaSimulations IV
4- Analysis "on the fly" - code testing - made-to-measure
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CharlaSimulations V
5- SPH basics - numerical viscosity - Kelvin-Helmholtz instabilities - other problems and their amelioration
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CharlaStellar Distribution Models I
1- The basics - overview of stellar evolution as a function of mass and metallicity - from evolutionary tracks to isochrones - quick overview of chemical...