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How well can we determine ages and chemical abundances from spectral fitting of integrated light spectra?
Geraldo Gonçalves, Paula Coelho, Ricardo Schiavon +1
The pixel-to-pixel spectral fitting technique is often used in studies of stellar populations. It enables the user to infer several parameters from integrated light spectra such as…
MOONS Surveys of the Milky Way and its Satellites
O. A. Gonzalez, A. Mucciarelli, L. Origlia +37
The study of resolved stellar populations in the Milky Way and other Local Group galaxies can provide us with a fossil record of their chemo-dynamical and star-formation histories…
Exploring the stellar age distribution of the Milky Way Bulge using APOGEE
Sten Hasselquist, Gail Zasowski, Diane K. Feuillet +20
We present stellar age distributions of the Milky Way (MW) bulge region using ages for 6,000 high-luminosity (), metal-rich () bulge stars…
The contribution of N-rich stars to the Galactic stellar halo using APOGEE red giants
Danny Horta, J. Ted Mackereth, Ricardo P. Schiavon +13
The contribution of dissolved globular clusters (GCs) to the stellar content of the Galactic halo is a key constraint on models for GC formation and destruction, and the mass assem…
Evidence from APOGEE for the presence of a major building block of the halo buried in the inner Galaxy
Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth +13
We report evidence from APOGEE for the presence of a new metal-poor stellar structure located within 4~kpc of the Galactic centre. Characterised by a chemical composition res…
The building blocks of the Milky Way halo using APOGEE and Gaia -- or -- Is the Galaxy a typical galaxy?
Ricardo P. Schiavon, J. Ted Mackereth, Joel Pfeffer +2
We summarise recent results from analysis of APOGEE/Gaia data for stellar populations in the Galactic halo, disk, and bulge, leading to constraints on the contribution of dwarf gal…