Fig. 5
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Fe abundance vs age plot. Red curve and blue curve represents evolution of stellar Fe abundance for stars with group I and group II protoplanetary discs, respectively. DD S21: Young debris disc-hosting stars HD 169142, HD 120326, β Pic, HR 8799, and HD 95086 from Saffe et al. (2021). The abbreviations are described in Fig. 4.
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