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Table A.1

Period-age relations of the form log (a [yr]) = A + B ⋅ log (P [d]) for FO Cepheids on the first IS crossing based on fit of predictions provided by A16.

Metallicity Bb Ab Br Ar
Solar (0.014) − 0.890 8.267 − 0.867 8.422
LMC (0.006) − 0.944 8.264 − 0.923 8.432
SMC (0.002) − 0.993 8.265 − 0.974 8.446

Notes. Subscripts b and r denote relations valid at the hot (blue) and cool (red) IS boundary, respectively.

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