...1
This abundance ratio is defined as ; see Eq.(31) of Marigo & Aringer (2009, A&A submitted)
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... (H01)2
The elemental abundances are taken from Grevesse & Sauval (1998), but for C, N, O, Ne, Mg, Si, and Fe that are modified following the revision by Howeger (2001).
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... (C09)3
The elemental abundances are taken from Grevesse & Sauval (1998), but for N, O, and Ne that are modified following the revision by Caffau et al. (2009).
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