Table 4.
Abundances for five elements (sodium, potassium, calcium, titanium, and iron) for each subtype and each metal class for a model atmosphere with a fixed temperature structure.
| SpT | Model | Na | K | Ca | Ti | Fe |
|---|---|---|---|---|---|---|
| sdM0.5 | 3700-4.5-1.0 | 0.3 |
0.7 |
1.2 |
0.9 |
0.9 |
| sdM1.0 | 3700-5.0-0.5 | 0.2 |
0.3 |
0.5 |
0.4 |
0.4 |
| sdM1.5( * ) | 3400-4.5-1.5 | 0.4 |
0.6 |
1.0 |
0.5 |
0.5 |
| sdM2.0( * ) | 3500-4.5-1.0 | 0.7 |
1.0 |
0.9 |
0.5 |
0.5 |
| sdM2.5( * ) | 3500-4.5-1.0 | 0.6 |
0.9 |
0.7 |
0.6 |
0.5 |
| sdM3.0 | 3500-5.0-0.0 | −0.2 |
0.6 |
0.2 |
0.0 |
0.1 |
| sdM3.5 | 3400-5.0-0.5 | 0.2 |
0.3 |
0.3 |
0.3 |
0.1 |
| sdM4.0 | 3400-5.5-0.5 | −0.1 |
0.2 |
0.8 |
0.4 |
0.2 |
| sdM4.5 | 3100-4.5-1.5 | 0.5 |
0.6 |
0.6 |
0.9 |
0.4 |
| sdM5.0( * ) | 3200-5.5-0.0 | 0.5 |
0.3 |
0.0 |
0.3 |
0.1 |
| sdM5.5 | 3200-5.5-1.0 | 0.0 |
0.1 |
0.4 |
0.6 |
0.1 |
| sdM6.0 | 3000-4.5-1.5 | 0.6 |
0.3 |
1.4 |
0.7 |
0.4 |
| sdM6.5( * ) | 2900-5.5-0.0 | 0.2 |
0.4 |
0.0 |
0.0 |
0.0 |
| sdM8.0 | 2800-5.0-2.5 | 0.4 |
0.3 |
0.7 |
0.6 |
0.0 |
| sdM9.5 | 2600-4.5-2.5 | 0.6 |
0.4 |
0.5 |
0.8 |
0.5 |
| esdM0.0 | 3600-4.5-1.5 | 0.2 |
0.4 |
0.6 |
0.6 |
0.3 |
| esdM0.5 | 3600-4.5-1.5 | 0.2 |
0.6 |
0.5 |
0.6 |
0.3 |
| esdM1.0 | 3600-4.5-1.5 | 0.3 |
0.6 |
0.6 |
0.7 |
0.1 |
| esdM1.5 | 3400-4.5-1.5 | 0.2 |
0.4 |
0.7 |
0.7 |
0.4 |
| esdM2.0 | 3400-4.5-1.5 | 0.3 |
0.5 |
0.8 |
0.9 |
0.5 |
| esdM3.0 | 3400-5.0-1.5 | 0.2 |
0.5 |
0.7 |
0.9 |
0.4 |
| esdM3.5 | 3400-5.0-1.5 | 0.0 |
0.4 |
0.4 |
0.7 |
0.2 |
| esdM4.0 | 3200-4.5-2.0 | 0.5 |
0.7 |
0.4 |
0.9 |
0.4 |
| esdM4.5 | 3200-4.5-1.5 | 0.6 |
0.4 |
0.9 |
0.8 |
0.4 |
| esdM5.0 | 3200-4.5-1.5 | 0.4 |
0.7 |
0.7 |
0.9 |
0.5 |
| esdM5.5 | 3100-4.5-2.0 | 0.6 |
0.8 |
0.8 |
1.2 |
0.7 |
| esdM6.0 | 3200-5.0-2.0 | 0.1 |
0.6 |
0.4 |
0.8 |
0.4 |
| esdM6.5 | 3100-4.5-2.0 | 0.3 |
0.7 |
0.7 |
1.0 |
0.4 |
| esdM7.5 | 3000-5.0-2.0 | 0.2 |
0.6 |
0.7 |
0.8 |
0.3 |
| esdM8.5 | 2800-4.5-2.5 | 0.4 |
0.6 |
0.6 |
0.8 |
0.1 |
| usdM0.0 | 3500-4.5-2.5 | 0.5 |
1.2 |
1.2 |
0.6 |
0.2 |
| usdM0.5( * ) | 3600-5.0-2.5 | −0.4 |
0.6 |
0.4 |
0.5 |
0.1 |
| usdM1.0 | 3600-5.0-1.5 | −0.2 |
0.6 |
0.5 |
0.3 |
0.2 |
| usdM2.5 | 3400-4.5-2.0 | 0.1 |
0.8 |
1.0 |
0.7 |
0.8 |
| usdM3.0 | 3400-4.5-2.0 | −0.2 |
1.2 |
0.9 |
0.5 |
0.3 |
| usdM4.0( * ) | 3500-5.5-2.0 | 0.1 |
0.8 |
0.9 |
0.8 |
0.5 |
| usdM4.5 | 3300-5.0-2.0 | −0.1 |
0.6 |
0.5 |
0.5 |
0.3 |
| usdM5.0 | 3400-5.5-2.5 | −0.4 |
0.6 |
0.6 |
0.5 |
0.3 |
| usdM6.0 | 3200-5.0-2.0 | 0.1 |
1.0 |
0.4 |
0.6 |
0.3 |
| usdM7.5 | 3000-5.0-2.5 | −0.1 |
1.0 |
0.4 |
0.6 |
0.2 |
| usdM8.5 | 3000-5.5-2.5 | −0.2 |
0.8 |
0.3 |
0.4 |
0.0 |
Notes. Uncertainties are rounded to the nearest integer and given for a change of ±100 K in effective temperature. Targets marked with an asterisk indicate spectra with a low signal-to-noise ratio, whose results must be treated with caution.
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