Density-temperature diagrams (top row) and density PDFs (bottom row) for gas in gasoline (left column) and ramses (right column). We show only gas within 500 pc of the primary galactic center in each simulation, and we use a snapshot near the maximum separation (first apocenter, around 500 Myr). In the top panels, we include the temperature distribution along the left axis (arbitrarily normalized and shown on a linear scale). We also schematically show the Jeans polytrope temperature floor for the ramses simulation (straight black line), which keeps the average gas significantly hotter than in gasoline.
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