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astro-ph.GA2024
Identifying the Galactic Substructures in 5D Space Using All-sky RR Lyrae Stars in Gaia DR3
Shenglan Sun, Fei Wang, Huawei Zhang +9
Motivated by the vast gap between photometric and spectroscopic data volumes, there is great potential in using 5D kinematic information to identify and study substructures of the…
astro-ph.GA2024
The Formation of Milky Way "Bones": Ubiquitous HI Narrow Self-Absorption Associated with CO Emission
Shenglan Sun, Ke Wang, Xunchuan Liu +1
Long and skinny molecular filaments running along Galactic spiral arms are known as "bones", since they make up the skeleton of the Milky Way. However, their origin is still an ope…