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Table 3

Orbital parameters of small separation (a ~ 20 AU) binaries with one exoplanet around one component.

Name Age M1 MB aB eB Mp ap eP
(Gyr) (M) (M) (AU) (MJup) (AU)

HD 196885 1.5–3.5 1.3 0.45 21.0 0.42 3.0 2.6 0.48
γ Cep 6.6 1.6 0.41 19.0 0.41 1.6 2.0 0.12
Gl 86 2.0 0.8 0.45 18.0a 0.40 4.0 0.11 0.05
HD 41004 1.6 0.7 0.40 + 0.02b  ~20b 0.40 2.5 1.64 0.39

Notes. 

(a)

predicted intial semi-major axis of 13 AU for the binary (Lagrange et al. 2006).

(b)

HD 41004 B is actually an SB1 binary composed of an M4V star and an MBb = 19 MJup brown dwarf (Santos et al. 2002; Zucker et al. 2004).

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