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Table 2
Orbital elements for the eight new spectroscopic-binary systems.
| Name | HE 0111-1346 | HE 0457-1805 | HE 0507-1653 | HE 1120-2122 | HIP 53522 | HIP 53832 | |||||||||||
|
|
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| P (d) | 402.74 ± 0.05 | 2724 ± 23 | 404.58 ± 0.08 | 2079.8 ± 2.7 | 361.12 ± 0.04 | 322.84 ± 0.08 | |||||||||||
| e | 0.022 ± 0.001 | 0.191 ± 0.007 | 0.027 ± 0.001 | 0.153 ± 0.002 | 0.361 ± 0.003 | 0.055 ± 0.001 | |||||||||||
| ω (◦) | 271 ± 3 | 64 ± 1 | 242 ± 3 | 350.5 ± 0.9 | 70.7 ± 0.3 | 315 ± 1 | |||||||||||
| V0 (km s-1) | 38.14 ± 0.01 | 66.80 ± 0.03 | 350.20 ± 0.01 | 108.65 ± 0.01 | 32.49 ± 0.09 | −2.28 ± 0.01 | |||||||||||
| K1 (km s-1) | 12.59 ± 0.02 | 6.62 ± 0.03 | 7.18 ± 0.01 | 6.593 ± 0.006 | 13.22 ± 0.02 | 11.8 ± 0.02 | |||||||||||
| a1sini (109 m) | 69.7 ± 0.1 | 243 ± 3 | 39.9 ± 0.1 | 186.3 ± 0.5 | 61.2 ± 0.2 | 52.3 ± 0.1 | |||||||||||
| f(M) (M⊙) | 0.0831 ± 0.0003 | 0.077 ± 0.002 | 0.0155 ± 0.0001 | 0.0596 ± 0.0003 | 0.070 ± 0.001 | 0.0547 ± 0.0003 | |||||||||||
| T0 (–2 400 000) | 56 928 ± 3 | 56 180 ± 6 | 56 010 ± 3 | 58 976 ± 3 | 56 862 ± 1 | 56 114 ± 1 | |||||||||||
| σ(O−C) (km s-1) | 0.11 | 0.04 | 0.14 | 0.42 | 0.07 | 0.04 | |||||||||||
| N | 59 | 29 | 43 | 40 | 57 | 38 | |||||||||||
| Name | HD 76396 | HD 26 | |||||||||||||||
|
|
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| P (d) | 13611 ± 109 | 19634 ± 2812 | |||||||||||||||
| e | 0.41 ± 0.02 | 0.08 ± 0.03 | |||||||||||||||
| ω (◦) | 241 ± 7 | 289 ± 48 | |||||||||||||||
| V0 (km s-1) | −61.7 ± 0.2 | −214.2 ± 0.5 | |||||||||||||||
| K1 (km s-1) | 4.0 ± 0.3 | 3.3 ± 0.3 | |||||||||||||||
| a1sini (109 m) | 689 ± 56 | 899 ± 226 | |||||||||||||||
| f(M) (M⊙) | 0.07 ± 0.02 | 0.075 ± 0.037 | |||||||||||||||
| T0 (–2 400 000) | 60 243 ± 234 | 68 682 ± 4748 | |||||||||||||||
| σ(O−C) (km s-1) | 0.70 | 0.40 | |||||||||||||||
| N | 68 | 110 | |||||||||||||||
Notes. The orbit of HD 26 is not fully constrained yet, its period could be longer than that listed here.
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