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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

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(OC) (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

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(OC) (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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