MESA input/output for Evolutionary and Observational Consequences of Dyson Sphere Feedback
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MESA inlists, extras, and output for Evolutionary and Observational Consequences of Dyson Sphere Feedback, published in the Astrophysical Journal, 2022. Paper DOI: 10.3847/1538-4357/ac3421 Files included for Irradiated star experiments (recreating the work of Tout et al. (1989) in MESA) in irradiatedstar.zip: src/ run_star_extras.f: MESA extension allowing for a constant temperature bath to irradiate a star. inlists/ inlist_zams: Create a zero age main sequence star. inlist_irrad_tams: Evolve a star from ZAMS to TAMS in a constant temperature irradiation bath. inlist_irrad_hefl: Attempt to evolve a star from TAMS to the helium flash in a constant temperature irradiation bath. Note: This model crashes before the helium flash for many parameter choices. plots/ tout_recreation_plot.ipynb: Python Jupyter notebook for generating the Figure 1 in the paper. lifetimes.pdf: My MESA recreation of Figure 5 from Tout et al. (1989). LOGS/ *_history: MESA output for the evolution of a given stellar mass to a given age in a given temperature bath. Files included for Dyson Sphere Feedback experiments in dsfeedback.zip: src/ run_star_extras.f: MESA extension allowing for a fraction of a star's luminosity to be dumped back onto the outer layer as extra heat. inlists/ inlist_sphere_tams: Evolve a selected model to the end of the main sequence with a given DS feedback fraction. inlist_zams: Create a zero age main sequence star. inlist_zams_lowmass: Create a zero age main sequence star with a timestep limit that helps with lower mass stars. inlist_zamstoage: Evolve a star normally from ZAMS to a selected age (0.6Gyr used here for 2Msun). inlist_zamstosolarage: Evolve a star normally from ZAMS to 4.6 Gyr (used before DS application for 1Msun and lower stars). plots/ ds_feedback_plots.ipynb: Python Jupyter notebook for generating the figures 2-9 in the paper. newplots/*: Plots generated from the notebook LOGS/ *_history: MESA output for the evolution of a given stellar mass, to a given age, and DS feedback level *_profile: MESA output for the structure of a given stellar mass, at one given age, and DS feedback level Email me at mhuston@berkeley.edu if you have any comments or questions! MESA version: 12778 MESA SDK version: x86_64-macos-20.4.1
