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Table 6
Potential companions to planetary host stars, based on analysis of Gaia DR2 data.
| Subset | No. of | Plx & PM matches | RUWE > 1.4 | |||
|---|---|---|---|---|---|---|
| systems | No. | % | No. | % | ||
| Exoplanet host stars | ||||||
| Desert | 73 | 10 | 13.7 | 4 | 5.5 | |
| Above desert | 339 | 62 | 18.3 | 18 | 5.3 | |
| Below desert | 55 | 3 | 5.5 | 0 | 0.0 | |
| Above + below | 394 | 65 | 16.5 | 18 | 4.6 | |
| Sum of all host stars | 467 | 75 | 15.6 | 22 | 4.6 | |
| Analogous non-host stars | ||||||
| Desert | 73 | 1 | 1.4 | 11 | 15.1 | |
| Above desert | 339 | 27 | 8.0 | 49 | 14.5 | |
| Below desert | 55 | 5 | 9.1 | 14 | 25.5 | |
| Sum of all non-host stars | 467 | 33 | 7.1 | 74 | 15.8 | |
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