Impact of oxygen fugacity on the atmospheric structure and emission spectra of ultra-hot rocky exoplanets

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Table 2

Hypothetical terrestrial exoplanet compositions.

	CORL	ARS	TERRA	HERM	XTREM
Mantle
SiO₂	31.26	37.15	44.89	41.54	21.30
FeO	35.43	22.82	7.60	0.00	0.00
Al₂O₃	2.68	3.37	4.01	5.39	7.81
CaO	2.62	3.51	4.06	4.72	5.56
MgO	27.89	33.01	38.72	48.11	64.97
TiO₂	0.12	0.15	0.18	0.24	0.35
Core

Fe		100	100	93	74
Si		0	0	7	26

CMF	0	18	29	39	46

Notes. The oxides SiO₂, MgO, FeO, Al₂O₃, CaO and TiO₂ comprise the mantle. The core contains Fe and Si and has a mass fraction of $CMF := \frac{M_{core}}{M_{core} + M_{mantle}}$ $\[\text {CMF}:=\frac{M_{\text {core}}}{M_{\text {core}}{+}M_{\text {mantle}}}\]$ (“core mass fraction”) with respect to the planet. All quantities are in wt%.

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