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Fig. 6.
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Time evolution of the three timescales, τHe, τdiff, and τH, for the third thermal pulse in a 3 M⊙, solar metallicity model (top) and a 1.2 M⊙, Z = 5 × 10−4 model (bottom). No PIEs are expected for stars with these parameters. The zero point for time in the x-axis is the point when the PDCZ first appears for this pulse.
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