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Understanding Binary Systems - A Comparison Between COSMIC and MESA

Presentation #308.01 in the session Gamma Ray Bursts.

Published onJul 01, 2023
Understanding Binary Systems - A Comparison Between COSMIC and MESA

We compare the evolution of binary systems evolved in the MESA stellar evolution code to those in the COSMIC population synthesis code. Our aim is to: 1) convey the robustness of the equations that model binary evolution in the COSMIC code, particularly for the cases of high mass stars with closely orbiting compact object companions, 2) present preliminary population synthesis results of these systems. Our larger goal is to accurately model the rates of these systems, as they are promising candidates for the progenitor systems behind energetic, longer lasting, radio bright GRB jets. These systems also play a key contribution to the rates of binary black hole mergers throughout our universe.

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