Scatter plot denoting where Hermite and GRX GW events lie in the a vs. log₁₀(1 − e) parameter space. The panels above and on the right show the kernel density estimate. The greyed-out regions denote the frequency range probed by LISA and μAres. The dashed-dotted lines show where the sensitivity of the interferometers is at a maximum, while the dotted ones the frequency range probed (Sesana et al. 2021; Samsing et al. 2014), with the upper bounds for μAres and LISA being the same (f = 1 Hz). The data here is from runs simulated with N_IMBH ≤ 40. Top: SMBH-IMBH GW events. Bottom: IMBH-IMBH GW events.