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Table C.3.

Summary of the number of stars and the incidence of SB1 systems in the different He groups

YHe(ξHe) YHe(ξN)
Total SB1 Total SB1
subsample [%] subsample [%]
He-low 33 47.8 36 57.7
He-normal 65 42.2 62 33.3
He-rich 19 33.3 19 41.7

Notes. Values derived with He abundances from the two microturbulence determinations (from helium and nitrogen lines, respectively).

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