Fig. 8
Emission spectra: integration time in hours needed for SNR = 3 as a function of stellar distance of the 9.6 μm (dotted) ozone and the 15 μm (solid) carbon dioxide spectral feature at R = 20 for an Earth (black) and a 3g super-Earth (red) around AD Leo (top) and an M5 dwarf central star (bottom). Telescope configuration: JWST.
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