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A Milky Way with a massive, centrally concentrated thick disc: new Galactic mass models for orbit computations
Ektoras Pouliasis, Paola Di Matteo, Misha Haywood
In this work, two new axisymmetric models for the Galactic mass distribution are presented. Motivated by recent results, these two models include the contribution of a stellar thin…
On the kinematic detection of accreted streams in the Gaia era: a cautionary tale
I. Jean-Baptiste, P. Di Matteo, M. Haywood +4
The CDM cosmological scenario predicts that our Galaxy should contain hundreds of stellar streams at the solar vicinity, fossil relics of the merging history of the Milky Way an…
The Detailed Science Case for the Maunakea Spectroscopic Explorer: the Composition and Dynamics of the Faint Universe
Alan McConnachie, Carine Babusiaux, Michael Balogh +173
MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrograph…
A new look at the kinematics of the bulge from an N-body model
A. Gomez, P. Di Matteo, N. Stefanovitch +4
(Abridged) By using an N-body simulation of a bulge that was formed via a bar instability mechanism, we analyse the imprints of the initial (i.e. before bar formation) location of…
When the Milky Way turned off the lights: APOGEE provides evidence of star formation quenching in our Galaxy
M. Haywood, M. D. Lehnert, P. Di Matteo +4
Quenching, the cessation of star formation, is one of the most significant events in the life cycle of galaxies. We show here the first evidence that the Milky Way experienced a ge…