Differences among IllustrisTNG series and a Brief Comparison with the Illustris Project

Abstract The IllustrisTNG project is one of the most advanced cosmological gravity and magnetohydrodynamical models that simulates formation evolution galaxies. It focuses on figuring out physical processes involved based moving-mesh code AREPO. This consists three series (TNG50, TNG100, TNG300) with different box sizes, resolution, parameters while each also contains sub-simulations lower resolution (TNG50-2, TNG50-3, TNG100-2, TNG100-3, TNG300-2, TNG300-3). purpose this paper to illuminate major differences connections among by analysing data carrying corresponding visualization. Moreover, since built upon previous Illustris project, improvements new model have been compared former one. Based analysis, differ in numerical parameters, research areas, quantity sample so on. In meantime, there are a lot especially we draw several figures, which provide clear insight. situation between old very similar introduces methods includes physics make simulation process much more accurate. These results help understand ongoing problems offer guideline enable establishment future model.