Table 2.
Number of stars with PMa, CPM and RUWE > 1.4 binarity signals in the HIPPARCOS catalog.
| Method | Number of stars | Fraction |
|---|---|---|
| Full catalog | 117 955 | 100% |
| PMa S/N > 3 | 37 347 | 32% |
| CPM bound candidates | 12 914 | 11% |
| RUWE > 1.4 | 25 067 | 21% |
| PMa or CPM | 37 347 | 32% |
| PMa or CPM or RUWE | 50 720 | 43% |
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