Milky Way and Andromeda analogues from the TNG50 simulation. - Pillepich, Annalisa; Sotillo-Ramos, Diego; Ramesh, Rahul; Nelson, Dylan; Engler, Christoph; Rodriguez-Gomez, Vicente; Fournier, Martin; Donnari, Martina; Springel, Volker; Hernquist, Lars (Monthly Notices of the Royal Astronomical Society, 2024)