Black Hole evolution within Constrained Cosmological Simulations of Extreme Overdense Environments

This record contains the data required to reproduce the simulation results presented in the paper “Heavy Seeds and the First Black Holes: Insights from the BRAHMA Simulations” (https://arxiv.org/abs/2510.01322). The files provide the redshift evolution of the most massive halo in the simulation volume, including its total mass, stellar mass, and the black hole mass. Most files tabulate the redshift evolution at the cadence of the simulation snapshots. A subset of files additionally includes the black hole mass and luminosity at higher time resolution. File names are organized to correspond directly to the figure numbers in the paper, as well as to the legend labels within those figures. This record also includes a Jupyter notebook, load_data_and_make_plots.ipynb, which demonstrates how to load the data and reproduce the plots shown in the paper. For any questions or further information, please contact: [e-mail].