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astro-ph.GA2025
The SAGA Survey. VI. The Size-Mass Relation for Low-Mass Galaxies Across Environments
Yasmeen Asali, Marla Geha, Erin Kado-Fong +10
We investigate how Milky Way-like environments influence the sizes and structural properties of low-mass galaxies by comparing satellites of Milky Way analogs from the Satellites A…
astro-ph.GA2024
Estimating Dark Matter Halo Masses in Simulated Galaxy Clusters with Graph Neural Networks
Nikhil Garuda, John F. Wu, Dylan Nelson +1
Galaxies grow and evolve in dark matter halos. Because dark matter is not visible, galaxies' halo masses () must be inferred indirectly. We present a graph neur…