Table 4.
Summary of the number of binary stars in the sample (see Table A.4).
| SpT | SB1 | SB2 | Lit. | SB1? | NAll | % bin |
|---|---|---|---|---|---|---|
| O | 0 | 2 (15%) | 1 | 1 | 13 | 15−30% |
| B I & II | 3 (8%) | 1 (3%) | 1 | 5 | 37 | 10−27% |
| A/F | 0 | 0 | 0 | 2 | 11 | 0−18% |
| K/M | 0 | 0 | 0 | 2 | 18 | 0−10% |
| B III | 2 (22%) | 2 (22%) | 0 | 1 | 9 | 45−55% |
Notes. For columns “SB1” and “SB2”, the percentage shows the fraction with respect to the total number for each SpT. We split the B-type stars into two groups to separate giants from supergiants. Column “Lit.” counts the number of binary stars found in the literature. Column “SB1?” counts the sum of the stars labeled “LPV/SB1?” in column “Spec. variability” and “SB1?” in column “Comments” (we note that if a star is labeled both as “LPV/SB1?” and “SB1?”, we only count the first). The total number of stars are in column NAll. Column “% bin” gives the percentage of total and potential binary stars with respect to the total number of stars.
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