Rocky super-Earth interiors - Structure and internal dynamics of CoRoT-7b and Kepler-10b

F. W. Wagner; N. Tosi; F. Sohl; H. Rauer; T. Spohn

doi:10.1051/0004-6361/201118441

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Volume 541 (May 2012)

A&A, 541 (2012) A103

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Table 4

Thermal conductivity at ambient conditions, thermal expansion coefficients, and Anderson-Grüneisen parameter for two mantle species.

Mineral	k₀	α₁	α₂	δ_T
	[W K^-1 m^-1]	[10^-5 K^-1]	[10^-8 K^-2]

MgSiO₃^a	4.7^c	2.6	1.0	6.5
Mg₂SiO₄^b	5.2^d	2.69	2.12	8.4

Notes. The temperature dependence of the thermal expansivity is expressed in linear form as α(T) = α₁ + α₂T.

References.

^(a)

Katsura et al. (2009b);

^(b)

Katsura et al. (2009a);

^(c)

Hofmeister (1999);

^(d)

Horai (1971).

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