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Fig. 2


Spectral type histogram for Groups 2 to 6, summarized. Each range of spectral types has the total number of stars in green, the amount of BSCs in red, and the proportion of BSCs according to the total number of sources in each range. We did not include stars of spectral types with no specific subtype (two stars of spectral type Op, and 12 stars of spectral type B).

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