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Reconstructing the star formation history of the Milky Way disc(s) from chemical abundances
O. Snaith, M. Haywood, P. Di Matteo +4
We develop a chemical evolution model in order to study the star formation history of the Milky Way. Our model assumes that the Milky Way is formed from a closed box-like system in…
Why the Milky Way's bulge is not only a bar formed from a cold thin disk
P. Di Matteo, A. Gomez, M. Haywood +6
By analyzing a N-body simulation of a bulge formed simply via a bar instability mechanism operating on a kinematically cold stellar disk, and by comparing the results of this analy…
The Milky Way as a High Redshift Galaxy: The Importance of Thick Disk Formation in Galaxies
Matthew D. Lehnert, Paola Di Matteo, Misha Haywood +1
We compare the star-formation history and dynamics of the Milky Way (MW) with the properties of distant disk galaxies. During the first ~4 Gyr of its evolution, the MW formed stars…
Mapping a stellar disk into a boxy bulge: The outside-in part of the Milky Way bulge formation
P. Di Matteo, M. Haywood, A. Gomez +6
By means of idealized, dissipationless N-body simulations which follow the formation and subsequent buckling of a stellar bar, we study the characteristics of boxy/peanut-shaped bu…
The dominant epoch of star formation in the Milky Way formed the thick disc
Owain N. Snaith, Misha Haywood, Paola Di Matteo +4
We report the first robust measurement of the Milky Way star formation history using the imprint left on chemical abundances of long-lived stars. The formation of the Galactic thic…