Table 1
Volatile components in complex atmosphere compositions above a BSE lava ocean considered in this work.
| Atmosphere type | C [w%] | H [w%] | N [w%] | S [w%] | P [w%] | O [w%] |
|---|---|---|---|---|---|---|
| Archetypal complex atmospheres | ||||||
| C dominated | 80.00 | 10.00 | 9 | 0.50 | 0.50 | – |
| H dominated | 1.00 | 80.00 | 18.00 | 0.50 | 0.50 | – |
| N dominated | 1.00 | 18.00 | 80.00 | 0.50 | 0.50 | – |
| S dominated | 5.00 | 1.00 | 4.00 | 60.00 | 30.00 | – |
| 55-Cnc e best fits (Hu et al. 2024) | ||||||
| Carbon poor | 9.09e-6 | 99.01 | 0.90 | 3.33e-6 | 6.67e-6 | 9.09e-7 |
| Carbon rich | 0.91 | 79.21 | 0.79 | 6.67 | 3.33 | 9.09 |
Notes. The percentages are relative to the total amount of volatiles (C, H, N, S and P) added. The first four compositions, labelled “archetypal complex atmospheres”, are first-order approximations of possible atmospheres dominated by one of the volatile elements. The other two compositions, labelled “55-Cnc e best fits” are volatile atmospheres that were found to be consistent with recent JWST MIRI and NIRCam observations of 55-Cnc e (Hu et al. 2024).
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