Fig. 7
Same as Fig. 5, except for different durations of the initial burst of star formation. The bottom panel shows, with circles, the residuals between our standard model and, with triangles, those obtained when the adopted durations of the initial burst of star formation are 0.5 and 2.0 Gyr, Δ = 2(Nstd − NΔt) / (Nstd + NΔt), respectively.
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