Open Access
Table 2
Orbital parameters for the companions.
| Parameter | HD 40956 b | HD 111591 b | HD 113996 b |
|
|
|||
| P (days) | 578.6 ± 3.3 | 1056.4 ± 14.3 | 610.2 ± 3.8 |
| K (m s-1) | 68 ± 2 | 59 ± 3 | 120 ± 9 |
| Tperiastron (JD) | 2 455 341.88 ± 11.07 | 2 455 602.40 ± 30.85 | 2 453 309.94 ± 23.67 |
| e | 0.24 ± 0.05 | 0.26 ± 0.10 | 0.28 ± 0.12 |
| ω (deg) | 338.62 ± 7.74 | 78.72 ± 11.94 | 92.06 ± 17.25 |
| m sin i (MJ) | 2.7 ± 0.6 | 4.4 ± 0.4 | 6.3 ± 1.0 |
| a (AU) | 1.4 ± 0.1 | 2.5 ± 0.1 | 1.6 ± 0.1 |
| Slope (m s-1 yr-1) | –13 × 10-2 | – | – |
| N obs | 54 | 44 | 62 |
| rms (m s-1) (BOAO) | 23.6 | 19.5 | 39.3 |
| rms (m s-1) (OAO) | 16.1 | 9.9 | |
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