Table 2
Summary of the results for the first companion search with CANDID.
| Target’s name | DATE-OBS MJD | nσ | sep [mas] | PA [deg] | emax [mas] | emin [mas] | PA emax [deg] | ∆H [mag] | det. lim. ∆mag(H) |
|---|---|---|---|---|---|---|---|---|---|
| Cyg OB2-5 A | 58279.353 | 6.46 | 13.35 | 97.45 | 0.35 | 0.11 | −3.03 |  |
– |
| … | 58657.396 | 8.03 | 11.00 | 107.12 | 0.00 | 0.00 | 26.56 |  |
– |
| Cyg OB2-9 | 58 386 154 | 8.03 | 0.76 | 148.90 | 0.01 | 0.00 | −13.26 |  |
– |
| … | 58388.197 | 8.03 | 0.78 | 152.99 | 0.01 | 0.01 | 81.50 |  |
– |
| Cyg OB2-10 | 58281.491 | 5.75 | 7.35 | –21.47 | 0.20 | 0.03 | 38.96 |  |
– |
| … | 58 657.446 | 2.96 | – | – | – | – | – | – | 3.24 |
| HD 17505 | 58386.393 | 8.03 | 15.43 | −141.24 | 0.02 | 0.01 | 40.24 |  |
– |
| … | 58 387.358 | 8.03 | 15.43 | −141.22 | 0.01 | 0.00 | 52.60 |  |
– |
| HD 19820 | 58386.331 | 8.03 | 13.89 | 82.35 | 0.03 | 0.01 | 1.55 |  |
– |
| … | 58 387.424 | 8.03 | 13.85 | 82.56 | 0.02 | 0.02 | 36.70 |  |
– |
| HD 24431 | 58385.388 | 49.96 | 9.74 | 146.19 | 0.02 | 0.01 | −82.80 |  |
– |
| HD 28446 | 58 157.339 | 47.82 | 25.06 | −45.64 | 0.13 | 0.02 | −86.04 |  |
– |
| … | 58385.363 | 49.96 | 27.25 | −56.15 | 0.01 | 0.01 | −52.32 |  |
– |
| HD 30614 | 58386.439 | 1.34 | – | – | – | – | – | – | 4.32 |
| HD 34078 | 58 100.407 | 5.62 | 6.85 | 172.83 | 0.07 | 0.06 | 77.06 |  |
– |
| … | 58384.400 | 5.29 | 1.74 | 171.17 | 0.20 | 0.04 | −61.50 |  |
– |
| HD 36861 | 58 156.175 | 6.51 | 10.13 | −11.06 | 0.05 | 0.04 | 59.92 |  |
– |
| … | 58387.479 | 0.96 | – | – | – | – | – | – | 5.03 |
| HD 45314 | 58386.497 | 3.25 | 27.80 | 167.42 | 0.09 | 0.04 | –21.81 |  |
– |
| HD 47129 | 58385.529 | 5.01 | 32.39 | 37.50 | 0.06 | 0.03 | –73.35 |  |
– |
| HD 47432 | 58 387.523 | 0.66 | – | – | – | – | – | – | 4.91 |
| … | 58 388.512 | 0.00 | – | – | – | – | – | – | 4.99 |
| HD 47839 | 58386.535 | 17.76 | 49.19(*) | −72.92 | 0.32 | 0.17 | 86.62 |  |
– |
| HD 167971 | 58658.289 | 49.96 | 19.89 | −98.40 | 0.01 | 0.00 | −20.18 |  |
– |
| HD 188001 | 58 387.135 | 2.23 | – | – | – | – | – | – | 4.25 |
| HD 193322 | 58281.321 | 49.96 | 47.33(*) | 15.78 | 0.24 | 0.13 | 10.57 |  |
– |
| … | 58388.146 | 49.96 | 48.70(*) | 148.78 | 0.27 | 0.08 | −17.21 |  |
– |
| … | 58 658.367 | 49.96 | 49.18(*) | 148.12 | 0.11 | 0.05 | −25.95 |  |
– |
| HD 195592 | 58 280.337 | 1.89 | – | – | – | – | – | – | 3.63 |
| HD 201345 | 58661.420 | 2.82 | – | – | – | – | – | – | 4.38 |
| HD 202214 | 58 658.412 | 49.96 | 47.27(*) | –129.68 | 0.05 | 0.04 | 71.07 |  |
– |
| HD 206183 | 58661.470 | 0.67 | – | – | – | – | – | – | 5.83 |
| HD 206267 | 58 660.442 | 8.03 | 49.52(*) | –145.71 | 0.22 | 0.06 | 0.38 |  |
– |
| HD 207198 | 58 658.449 | 7.10 | 41.07« | –32.93 | 0.04 | 0.02 | –34.19 |  |
– |
| HD 209975 | 58 278.401 | 0.76 | – | – | – | – | – | – | 5.16 |
| HD 210809 | 58660.490 | 3.14 | 4.45 | 70.72 | 0.09 | 0.04 | –64.87 |  |
– |
| HD 210839 | 58657.486 | 4.93 | 6.72 | 79.36 | 0.08 | 0.02 | –60.61 |  |
– |
| HD 217086 | 58 387.243 | 0.10 | – | – | – | – | – | – | 4.69 |
| HD 228779 | 58660.400 | 2.50 | – | – | – | – | – | – | 4.97 |
| HD 229196 | 58385.195 | 8.03 | 5.88 | 13.52 | 0.03 | 0.01 | 77.55 |  |
– |
| … | 58 388.244 | 8.03 | 5.88 | 14.02 | 0.03 | 0.02 | 89.62 |  |
– |
Notes. The first column is the system name and the second column is the MJD date of the observations. The third column is the significance of the detection of a companion by CANDID. The fourth and fifth columns are respectively the separation and the position angle (PA) of the detected companion. The PA is defined as the angle between the north direction and the companion direction with respect to the central element counted positively toward the east. The separations noted with an(*) symbol are close to the OWA, and should only be considered as a lower limit. The sixth, seventh, and eighth columns give respectively the semi-major axis and the semi-minor axis, and the PA between the semi-major axis direction and the north direction of the error’s ellipse on the position of the detected companion. The ninth column is the magnitude difference between the main component and the detected companion in the H-band. The tenth column is the ∆magnitude limit for which we should be able to detect a companion computed by CANDID. We note that for the systems with no companion detected, we only give the result of the detection limiting magnitude, and we do not give them for the systems with candidates or detected companions, as we give them in Table 3.
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