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Table 5

Characteristics for a selection of rocky and ice-rich exoplanets.

Planet Reference Porb (days) MM (*) RR (*) x k2 Q
Rocky x = δFe Q(ηref)

Kepler-36 b (Carter et al. 2012) 13.84 120150
               
LHS 1140 b (Ment et al. 2019) 24.73 100140
               
Trappist-1 e (Grimm et al. 2018) 6.10 220280

Ice-rich x = xice Q(ηmin)

K2-240 c (Díez Alonso et al. 2018) 20.52 (**) 320
               
Trappist-1 f (Grimm et al. 2018) 9.21 50100
               
Trappist-1 g (Grimm et al. 2018) 12.35 2050

Notes. (*) The indice and exponent values correspond to the published maximal and minimal values. (**) Planet mass estimated from the M–R relationship of Weiss & Marcy (2014).

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