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Table 1

Orbital parameters of the GJ 163 system (from Bonfils et al. 2013, fit with tidal constraint), and the GJ 581 system (from Forveille et al. 2011).

GJ 163 GJ 581
Parameter [unit] b c d e b c d
msini [M⊕] 10.661 7.263 22.072 1.95 15.86 5.34 6.06
P [days] 8.633 25.645 600.895 3.14945 ± 0.00017 5.36865 ± 0.00009 12.9182 ± 0.0022 66.64 ± 0.08
a [AU] 0.06069 0.12540 1.02689 0.028 0.041 0.073 0.22
e 0.0106 0.0094 0.3990 0.32 ± 0.09 0.031 ± 0.014 0.07 ± 0.06 0.25 ± 0.09

Notes. The stellar masses are 0.4 ± 0.04 M⊙ (GJ 163), and 0.31 ± 0.02 M⊙ (GJ 581). Planets considered in this study are marked with bold font.

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