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arXiv · 1204.1943

The infant Milky Way

Stefania Salvadori·Andrea Ferrara
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Abstract

We investigate the physical properties of the progenitors of today living Milky Way-like galaxies that are visible as Damped Lya Absorption systems and Lya Emitters at higher redshifts (z ~ 2.3,5.7). To this aim we use a statistical merger-tree approach that follows the formation of the Galaxy and its dwarf satellites in a cosmological context, tracing the chemical evolution and stellar population history of the progenitor halos. The model accounts for the properties of the most metal-poor stars and local dwarf galaxies, providing insights on the early cosmic star-formation. Fruitful links between Galactic Archaeology and more distant galaxies are presented.

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Stefania Salvadori, Andrea Ferrara. 2012-04-09. The infant Milky Way. https://arxiv.org/abs/1204.1943

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