Table 1
Condensates used in our abundance module and their condensation temperatures.
Species | Tcond [K] | Limiting atomic abundance |
---|---|---|
Meteorite[1] | 500 | As described in Sect. 2.1 |
NaAlSi3O8 | 850 | All remaining [Na], [Al], [Si], [O] |
KAlSi3O8 | 850 | All remaining [K], [Al], [Si], [O] |
MgAl2O4 | 1250 | 50% × remaining [Al] |
Al2O3 | 1550 | All remaining [Al], [O] |
MgSiO3 | 1150 | 83%× remaining [Si]; all remaining [Mg] |
Mg2SiO4 | 1200 | All remaining [Mg], [Si] |
FeS | 650 | All remaining [S] |
Fe | 1200 | All remaining [Fe] |
H2O | 120 | All excess [O] |
CO2 | 47 | 15%×remaining[C][2] |
CO | 20 | All remaining [C] |
He | – |
Notes. These species were chosen since they are the most abundant species in an equilibrium chemistry at high temperatures based on equilibrium models. This chart also shows how much of the limiting atom is condensed in which form and at which temperature. This chart is organized as a task list. We work from top to bottom of this table. At each given temperature, we start from the first row that has a temperature higher than the given temperature and remove atoms from the gas phase. For each row we always check for the atom that limits the amount of condensate that can form. Then we condense all of that atom and all the other required atoms to form the condensate. If there are multiple condensates of the same atom for any given temperature, we use the percentage value given in their respective rows. [1] We use Asplund et al. (2009) to determine the meteorite composition. [2] We use the Öberg et al. (2011) approach to determine the amount of carbon in CO2 and CO.
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