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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 Besancon Galaxy model renewed I. Constraints on the local star formation history from Tycho data
M. A. Czekaj, A. C. Robin, F. Figueras +2
The understanding of Galaxy evolution can be facilitated by the use of population synthesis models, which allows us to test hypotheses on the star formation history, star evolution…
Metallicity and kinematics of the bar in-situ
C. Babusiaux, D. Katz, V. Hill +11
Constraints on the Galactic bulge/bar structure and formation history from stellar kinematics and metallicities mainly come from relatively high-latitude fields (|b|>4) where a com…