Fig. 2.
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Time evolution of Porb, M2, and Ṁ2 for three choices of κ. The vertical black line in each subplot is the time at which the system attains its period minimum (tbounce). The circles and pluses in each track mark detection thresholds of Ṁ2 = 10−11 M⊙ yr−1 and 5 × 10−12 M⊙ yr−1 (see text). The shaded region in the top subplot is the observed period minimum spike.
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