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Table 2.
Results of the KR of the RV residuals of the keplerian model including a linear correlation between the RV and the stellar chromospheric index 
for our stars.
| Star name | Indicator | Nc | σ [m s−1] | σKR res [m s−1] | ht [d] | hx | v | F | α |
|---|---|---|---|---|---|---|---|---|---|
| HD 23596 | BIS | 25 | 2.642 | 1.445 | 85.161 | 1.655e-03 | 8.879 | 4.500 | 0.005952 |
| HD 23596 | ΔV | 25 | 2.642 | 1.347 | 85.161 | 1.931e-03 | 10.182 | 4.269 | 0.007890 |
| HD 23596 | FWHM | 25 | 2.642 | 1.411 | 85.161 | 1.815e-03 | 8.284 | 5.401 | 0.002504 |
| HD 89307 | BIS | 19 | 3.775 | 1.467 | 84.339 | 1.777e-03 | 8.642 | 6.862 | 0.004178 |
| HD 89307 | Vasy(mod) | 19 | 3.775 | 1.187 | 84.339 | 1.815e-03 | 8.046 | 12.648 | 0.000309 |
| HD 106252 | BIS | 43 | 2.350 | 1.259 | 79.651 | 8.857e-04 | 19.965 | 2.884 | 0.009355 |
| HD 155358 |
|
43 | 1.947 | 1.089 | 67.353 | 2.200e-03 | 17.987 | 3.095 | 0.005702 |
| HD 188015 | FWHM | 21 | 3.945 | 1.885 | 110.264 | 3.183e-03 | 8.384 | 5.300 | 0.006108 |
| HD 190228 | Vasy(mod) | 43 | 2.621 | 1.437 | 41.111 | 8.937e-04 | 17.415 | 3.482 | 0.002628 |
| XO2S | BIS | 42 | 3.534 | 1.513 | 70.129 | 3.774e-03 | 19.207 | 5.312 | 0.000171 |
Notes. Only the cases with significant correlations, that is α < 0.01, are listed (see the text).
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