The Galactic Bulge can uniquely be studied from large samples of individual stars and is
therefore of prime importance for understanding the stellar population structure of bulges in …

After hydrogen and helium, oxygen, carbon, and nitrogen—hereinafter, the CNO elements—
are the most abundant species in the universe. They are observed in all kinds of …

Context. The motion of stars has been used to reveal details of the complex history of the
Milky Way, in constant interaction with its environment. Nevertheless, to reconstruct the …

The Gaia mission has provided an invaluable wealth of astrometric data for more than a
billion stars in our Galaxy. The synergy between Gaia astrometry, photometry, and …

We combine high-resolution spectroscopic data from APOGEE-2 survey Data Release 16
(DR16) with broad-band photometric data from several sources as well as parallaxes from …

Ensemble studies of red-giant stars with exquisite asteroseismic (Kepler), spectroscopic
(APOGEE), and astrometric (Gaia) constraints offer a novel opportunity to recast and …

Understanding the formation and evolution of our Galaxy requires accurate distances, ages,
and chemistry for large populations of field stars. Here, we present several updates to our …

We present a chemical abundance distribution study in 14 α, odd-Z, even-Z, light, and Fe-
peak elements of approximately 3200 intermediate-metallicity giant stars from the Apache …

Chemical Cartography with APOGEE: Multi-element Abundance Ratios - IOPscience This
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We study the structure, age and metallicity gradients, and dynamical evolution using a
cosmological zoom-in simulation of a Milky Way-mass galaxy from the Feedback in Realistic …