Simulation-based inference of the 2D ex-situ stellar mass fraction distribution of galaxies using variational autoencoders

Eirini Angeloudi, Marc Huertas-Company, Jesús Falcón-Barroso +4

Galaxies grow through star formation (in-situ) and accretion (ex-situ) of other galaxies. Reconstructing the relative contribution of these two growth channels is crucial for const…