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Table 3
WASP-18A and its stellar companion.
| Parameter | WASP-18A | WASP-18B |
|---|---|---|
| Gaia DR2 ID | 4955371367334610048 | 4931352153572401152 |
| Apparent separation (′′) | 0.0 | 28.398 ± 0.001 |
| Gaia G-magnitude | 9.17 | 20.92 |
| pmRA (mas yr−1) | 25.24 ± 0.03 | 23.65 ± 1.98 |
| pmDec (mas yr−1) | 20.60 ± 0.03 | 18.38 ± 2.40 |
| Parallax (mas) | 8.07 ± 0.02 | 9.43 ± 1.52 |
| Distance (pc) | 123.92 ± 0.37 |  |
| Physical separation (AU) | 0.0 | 3519 ± 9 |
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