From CO2- to H2O-dominated atmospheres and back - How mixed outgassing changes the volatile distribution in magma oceans around M dwarf stars

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Volume 693 (January 2025)

A&A, 693 (2025) A303

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Table 5

Physical and run parameters for TRAPPIST-1 e, f, and g used by MagmOc2.0.

Parameter	TRAPPIST-1 e	TRAPPIST-1 f	TRAPPIST-1 g
r_p [R_⊕]^(a)	0.920	1.045	1.129
r_c [R_⊕] ^(b)	0.490	0.557	0.602
M_p [M_⊕] ^(a)	0.692	1.039	1.321
a [au] ^(a)	0.0293	0.0385	0.0468
e ^(c)	0.005	0.01	0.002
Initial Radiogenic Power [TW] ^(d)	57	69	85

HZ entry [Myrs]	253	130	76

Albedo α	0.75 (`MagOcV1.0`) & 0 (clear-sky)
$M_{H_{2} O}^{ini}$ $M_{{{\rm{H}}_2}{\rm{O}}}^{{\rm{ini}}}$	1-100TO
$M_{{CO}_{2}}^{inl}$ $M_{{\rm{C}}{{\rm{O}}_2}}^{{\rm{inl}}}$ caled with $M_{H_{2} O}^{ini}$ $M_{{{\rm{H}}_2}{\rm{O}}}^{{\rm{ini}}}$	0,0.3,1 (main) & 0, 0.1, 0.2,…, 1 (see `detailed grid`)
$T_{surf}^{ini} = T_{p}^{ini}$ $T_{{\rm{surf}}}^{{\rm{ini}}} = T_{\rm{p}}^{{\rm{ini}}}$	4000 K
^ϵXUV	0.3
Stellar age at t = 0	5 Myrs
Atmospheric model	RT grid, corr. gray
`VPLanet` modules	`MagmOc2.0`, AtmEsc, RadHeat, EqTide, STELLAR

Notes. ^(a) Agol et al. (2021),^(b)r_c = r_p x r_c,⊕/R_⊕, ^(c)Grimm et al. (2018), ^(d)For the abundances of radioactive isotopes, we use Earth abundances, scaled by the mass of the planet.

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