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Kinematic and metallicity properties od the Aquarius dwarf galaxy from FORS2 MXU spectroscopy
L. Hermosa Muñoz, S. Taibi, G. Battaglia +10
Dwarf galaxies found in isolation in the Local Group (LG) are unlikely to have interacted with the large LG spirals, and therefore environmental effects should not be the main driv…
The Canada-France Imaging Survey: Reconstructing the Milky Way Star Formation History from its White Dwarf Population
Nicholas J. Fantin, Patrick Côté, Alan W. McConnachie +15
As the remnants of stars with initial masses 8 M, white dwarfs contain valuable information on the formation histories of stellar populations. In this paper, w…
The Pristine survey -- VII. A cleaner view of the Galactic outer halo using blue horizontal branch stars
Else Starkenburg, Kris Youakim, Nicolas Martin +11
We use the Pristine survey CaHK narrow-band photometry, combined with the SDSS ugr photometry, to provide a cleaner sample of blue horizontal branch stars in the Galactic halo out…
Dwarfs or giants? Stellar metallicities and distances in the Canada-France-Imaging-Survey from multi-band photometry
Guillaume F. Thomas, Nicholaas Annau, Alan McConnachie +19
We present a new fully data-driven algorithm that uses photometric data from the Canada-France-Imaging-Survey (CFIS; ), Pan-STARRS 1 (PS1; ), and Gaia () to discriminat…
Two major accretion epochs in M31 from two distinct populations of globular clusters
Dougal Mackey, Geraint F. Lewis, Brendon J. Brewer +12
Large galaxies grow through the accumulation of dwarf galaxies. In principle it is possible to trace this growth history using the properties of a galaxy's stellar halo. Previous i…
Comparing the Quenching Times of Faint M31 and Milky Way Satellite Galaxies
Daniel R. Weisz, Nicolas F. Martin, Andrew E. Dolphin +8
We present the star formation histories (SFHs) of 20 faint M31 satellites () that were measured by modeling sub-horizontal branch (HB) depth color-mag…