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Fig. 5.

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Estimates, from left to right, of the total stellar mass formed, the SFR, and its first and second time derivatives, reconstructed at the present time () for the Gaussian synthetic SFHs with different ages and FWHMs, compared with the correct values (black contours). N increases from top to bottom, where the last row (SFR+) corresponds to the best positive-SFR polynomial fit.

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