The HARPS search for southern extra-solar planets - XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD 47 186 and HD 181 433

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Table 2:

Orbital and physical parameters of the 2-planet system orbiting HD 47 186.
Parameters	HD 47 186b	HD 47 186c
P [days]	4.0845 $\pm$ 0.0002	1353.6 $\pm$ 57.1
$T_{\rm peri}$ [BJD-2400000]	54566.95 $\pm$ 0.36	52 010 $\pm$ 180
e	0.038 $\pm$ 0.020	0.249 $\pm$ 0.073
$\omega$ [deg]	59 $\pm$ 32	26 $\pm$ 23
V [ km s^-1]	4.3035 $\pm$ 0.0014
K [ m s^-1]	9.12 $\pm$ 0.18	6.65 $\pm$ 1.43
msin i [ $M_{\rm JUP}$ ]	0.07167	0.35061
msin i [ $M_{\oplus}$ ]	22.78	111.42
a [AU]	0.050	2.395
$N_{\rm meas}$	66
Data span [days]	1583
$\sigma$ ( $\rm O-C$ ) [ m s^-1]	0.91
$\chi^2_{\rm red}$	2.25

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