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Table 1

Properties of known nearby low-mass planets (d < 15 pc, Msini < 16 M) compared to the modeled planet.

Name HD 40307b(a) GJ 581e(b) GJ 581b(b) GJ 176b(c) 61Virb(d) GJ 876d(e) GJ 1214b(f) GJ 674b(g) 55Cnce(h) Model

M [M] 4.77 2.19 18.48 9.70 5.88 7.85 5.7 15.01 8.57 9.5
a [AU] 0.047 0.028 0.041 0.066 0.050 0.020 0.014 0.040 0.016 0.05
P [days] 4.31 3.15 5.37 8.80 4.22 1.93 1.58 4.69 0.73 8
e 0 0 0 0 0.12 0.21 0.27 0.20 0 0
M [M 0.80 0.31 0.31 0.5 0.95 0.33 0.16 0.35 0.96 0.31
d [pc] 13.0 6.2 6.2 9.4 8.5 4.7 13.0 4.5 13.0 10

Notes. Except for GJ 1214 b and 55Cnc e, which are transiting, the mass is given for an assumed inclination of 60°.

References. 

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