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Fig. 2.

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Density in the initial orbital plane (z = 0) in 4320-by-3000 R panels. The crosses mark the locations of the donor’s core and the companion. Each column corresponds to a different simulation while each row corresponds to a different stage in the evolution. Row 5 shows the slow inspiral taking place several years after the plunge-in. The inspiral timescale, t inspiral = a / ( a ˙ $ t_{{\mathrm {inspiral}}} = a/(-{\dot {a}} $), is several hundred to a thousand times longer than the orbital period. This figure was made with the SARRACEN package (Harris & Tricco 2023). Online movies of our simulations are listed in Table D.1.

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