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astro-ph.GA2025
Deciphering the Milky Way's star formation at cosmic noon with high proper-motion stars: A precursor to the merger-driven starburst
Deokkeun An, Young Sun Lee, Yutaka Hirai +1
Evidence suggests that the Milky Way (MW) underwent a major collision with the Gaia-Sausage/Enceladus (GSE) dwarf galaxy around cosmic noon. While GSE has since been fully disrupte…
astro-ph.GA2024
A Blueprint for the Milky Way's Stellar Populations. V. 3D Local Dust Extinction
Deokkeun An, Timothy C. Beers, Anirudh Chiti
Using a grid of empirically calibrated synthetic spectra developed in our previous study, we construct an all-sky 3D extinction map from the large collection of low-resolution XP s…