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Table 4

Column densities of O3, CH4, N2O, CH3Cl, NO, OH, NO2, and HNO3 in Dobson units (1DU = 2.69 × 1020 molecules/m2) for scenarios 0 through 6.

# Scenario O3 [DU] CH4 [DU] N2O [DU] CH3Cl [DU]

0 Earth reference 306 1.2 ×103 233 0.35
1 M-dwarf w/o CR 254 3.3 ×105 630 160
2 quiescent M-dwarf 243 3.2 ×105 620 150
3 active M-dwarf 175 2.7 ×105 530 120
4 flaring M-dwarf 71 6.5 ×104 350 24
5 flaring(x40) M-dwarf 40 1.1 ×104 300 4
6 flaring M-dwarf (Grenfell et al. 2012) 0.2 1.3 ×105 310 53
# Scenario NO [DU] OH [DU] NO2 [DU] HNO3 [DU]

0 Earth reference 1.4 ×10-1 2.1 ×10-3 0.2 0.6
1 M-dwarf w/o CR 9.8 ×10-3 8.4 ×10-4 0.3 0.2
2 quiescent M-dwarf 1.0 ×10-2 8.4 ×10-4 0.3 0.2
3 active M-dwarf 2.3 ×10-2 8.9 ×10-4 0.5 0.6
4 flaring M-dwarf 7.3 ×100 1.5 ×10-3 16 63
5 flaring(x40) M-dwarf 8.7 ×102 1.0 ×10-2 100 600
6 flaring M-dwarf (Grenfell et al. 2012) 1.6 ×104 3.1 ×10-3 170 16

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