Fig. 1.

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Evolution of binary semi-major axis and eccentricity for initial mass ratio q = 0.1 (upper panels), q = 0.3 (middle panels), and q = 0.9 (bottom panels). The blue, red, and purple lines show the simulations with e0 = 0.05, 0.5, and 0.8 respectively. We note that we do not show the transient phase occurring within the first 100 orbits here. Therefore, e0 and a0 in the last column are the values of eccentricity and semi-major axis after 100 orbits.
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