Published August 1, 2023 | Version v1
Journal article Open

Understanding Binary Systems - a Comparison between COSMIC and MESA

Creators

  • 1. De Anza College
  • 2. San Francisco State University
  • 3. Cornell University
  • 4. Los Alamos National Laboratory
  • 5. Northwestern University

Description

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 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.  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 may be key contributors to the rates of binary black hole mergers throughout our universe.

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