Table 10: Abundance ratios of other M dwarfs observed with the Chandra HETGS. Values obtained for the quiescent state are given in brackets.
Ratio YY Gem AU Mic EV Lac AD Leo Proxima Cen
O/N 0.62 $\pm$ 0.12 (0.57 $\pm$ 0.14) 0.48 $\pm$ 0.09 (0.48 $\pm$ 0.11) 0.53 $\pm$ 0.10 (0.76 $\pm$ 0.15) 0.60 $\pm$ 0.13 0.30 $\pm$ 0.09 (0.34 $\pm$ 0.14)
Ne/O 1.97 $\pm$ 0.12 (2.10 $\pm$ 0.18) 2.36 $\pm$ 0.19 (2.31 $\pm$ 0.20) 2.07 $\pm$ 0.50 (1.71 $\pm$ 0.12) 2.33 $\pm$ 0.19 1.72 $\pm$ 0.31 (2.06 $\pm$ 0.54)
Mg/Ne 0.18 $\pm$ 0.02 (0.16 $\pm$ 0.02) 0.11 $\pm$ 0.01 (0.12 $\pm$ 0.02) 0.24 $\pm$ 0.02 (0.22 $\pm$ 0.02) 0.21 $\pm$ 0.02 0.31 $\pm$ 0.06 (0.35 $\pm$ 0.10)
Si/Mg 2.31 $\pm$ 0.18 (2.59 $\pm$ 0.31) 2.33 $\pm$ 0.26 (1.84 $\pm$ 0.26) 2.47 $\pm$ 0.22 (2.25 $\pm$ 0.25) 2.46 $\pm$ 0.30 2.48 $\pm$ 0.28 (2.50 $\pm$ 1.28)
S/Si 1.27 $\pm$ 0.18 (1.46 $\pm$ 0.33) - - 1.82 $\pm$ 0.33 - - - -
Ne/Fe 7.08 $\pm$ 0.33 (7.34 $\pm$ 0.46) 8.85 $\pm$ 0.57 (9.03 $\pm$ 0.59) 5.73 $\pm$ 0.29 (5.17 $\pm$ 0.26) 6.78 $\pm$ 0.41 4.44 $\pm$  0.59 (4.45 $\pm$  0.82)
Mg/Fe 1.23 $\pm$ 0.19 (1.24 $\pm$ 0.24) 0.84 $\pm$ 0.18 (1.03 $\pm$ 0.26) 1.28 $\pm$ 0.15 (1.28 $\pm$ 0.15) 1.13 $\pm$ 0.19 1.44 $\pm$  0.35 (1.60 $\pm$ 0.49)


Source LaTeX | All tables | In the text