Open Access
Table 1.
Multiplicity statistics of our samples.
| Sep | Sep | SpT | Ntot | Ncomp | Freq | Catalogues |
|---|---|---|---|---|---|---|
| arcsec | au | % | ||||
| ≤0.02 | ≤1–8 | Any | 610 | 113 | 18.7 ± 1.7 | Gaia |
| ≤ 0.02 | ≤ 1–8 | Any | 1129 | 204 | 18.3 ± 1.3 | Andrae+2023 |
| ≤0.02 | ≤1–8 | Any | 695 | 144 | 20.7 ± 1.7 | Zhang+2023 |
| 25–300 | 10 000–120 000 | Any | 610 | 0 | < 0.6% | Gaia |
| 0.02–25 | 8–10 000 | Any | 610 | 9 | 1.5 ± 0.5% | Gaia |
| 10–180 | 1500–72 000 | Any | 268 | 8 | 3.0 ± 1.0% | VHS-AllWISE |
| 0.7–2.1 | 100–840 | Any | 48 | 30 | 62.5 | FastCam |
| 10–180 | 500–72 000 | Any | 143 | 0 | < 0.7 | Jinabase |
| 10–180 | 800–28 800 | Any | 10 | 0 | < 10 | Li+2022 |
Notes. The top part shows samples with a 1σ confidence level: separations, spectral types, numbers of sources and companions, frequency. The bottom part corresponds to small or biased samples with least statistics.
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