Table 7: Surface fluxes (in units of 103 erg cm-2 s-1), and FWHM (km s-1) of a selection of lines present in the spectra of both $\alpha $ Cen A and the Sun. Included lines have fluxes in the $\alpha $ Cen A spectrum greater than  $5\times 10^{-14}$ erg s-1 cm-2.
Line Lab Surface Flux Flux FWHM FWHM Line Lab Surface Flux Flux FWHM FWHM

ID

Wavel. $\alpha $ Cen A Ratio $\alpha $ Cen Ratio ID Wavel. $\alpha $ Cen A Ratio $\alpha $ Cen A Ratio
  (Å) Sun $\frac{\rm Sun}{\alpha \rm Cen A}$ Sun $\frac{\rm Sun}{\alpha \rm Cen A}$   (Å) Sun $\frac{\rm Sun}{\alpha \rm Cen A}$ Sun $\frac{\rm Sun}{\alpha \rm Cen A}$
S I 1300.907 0.15 0.12 0.82 13 18 1.36 C I+ 1608.438 0.30 0.46 1.55 31 28 0.92
O I 1302.169 1.98 1.80 0.91 33 32 0.96 +Fe II              
Si II 1304.372 0.18 0.16 0.88 31 33 1.04 Fe II 1610.921 0.31 0.24 0.76 23 20 0.89
O I 1304.858 2.10 1.84 0.88 33 27 0.80 Fe II 1611.201 0.21 0.17 0.82 17 15 0.85
O I 1306.029 2.17 1.96 0.90 29 24 0.83 Fe II 1612.802 0.39 0.34 0.87 26 26 0.97
C II 1334.532 3.27 2.68 0.82 43 31 0.74 C I 1613.376 0.18 0.15 0.85 12 13 1.12
C II 1335.708 4.53 3.82 0.84 47 36 0.76 C I 1613.803 0.17 0.13 0.77 12 13 1.07
Cl I 1351.657 0.30 0.32 1.06 12 12 0.97 C I 1614.507 0.19 0.13 0.68 13 12 0.97
O I 1355.598 0.46 0.42 0.91 12 12 0.99 Fe II 1618.470 0.25 0.30 1.21 24 20 0.83
Si IV 1393.755 2.22 2.14 0.97 44 31 0.72 Fe II 1623.091 0.28 0.25 0.89 24 22 0.92
O IV] 1401.157 0.23 0.16 0.72 46 36 0.79 Fe II 1625.520 0.47 0.32 0.69 27 23 0.86
Si IV 1402.770 1.12 0.83 0.75 42 29 0.69 Fe II 1625.909 0.20 0.20 0.98 17 18 1.02
O IV]+ 1404.806 0.12 0.08 0.66 47 45 0.97 Fe II 1632.668 0.37 0.39 1.06 20 18 0.90
+S IV               Fe II 1633.908 0.37 0.32 0.86 26 24 0.94
S I 1472.972 0.38 0.28 0.74 18 18 1.02 Fe II 1637.397 0.49 0.43 0.89 25 24 0.94
S I 1473.995 0.21 0.20 0.92 16 15 0.96 Fe II 1640.152 0.52 0.69 1.33 22 22 1.00
N IV 1486.496 0.16 0.06 0.40 45 33 0.74 He II 1640.400 0.62 1.60 2.59 52 52 1.00
Si II 1526.708 0.67 1.64 2.44 32 32 0.98 Fe II 1643.576 0.45 0.42 0.94 22 22 1.00
Si II 1533.432 0.74 1.65 2.23 37 31 0.86 Fe II 1649.423 0.30 0.21 0.71 22 18 0.84
C IV 1548.187 4.50 5.11 1.13 49 45 0.88 C I 1656.260 1.68 2.05 1.22 37 30 0.84
Fe II 1550.260 0.13 0.11 0.89 20 20 1.01 C I 1656.928 1.34 2.25 1.69 58 54 0.92
C IV 1550.772 2.39 2.39 1.00 52 47 0.88 C I 1657.380 1.51 1.86 1.23 35 31 0.89
Fe II 1559.084 0.47 0.39 0.82 30 29 0.96 C I 1657.900 0.99 1.52 1.53 28 27 0.96
C I 1560.310 0.51 0.60 1.17 27 29 1.06 C I 1658.120 1.22 1.76 1.44 30 26 0.87
C I 1560.683 0.60 0.73 1.22 30 36 1.21 Fe II 1658.771 0.50 0.42 0.83 24 20 0.85
C I 1561.341 0.83 1.19 1.42 56 51 0.92 Fe II 1659.483 0.75 0.69 0.91 27 26 0.97
Fe II 1563.788 0.42 0.37 0.88 28 26 0.92 O III 1660.803 0.17 0.12 0.73 20 22 1.07
Fe II 1566.819 0.30 0.25 0.81 25 24 0.96 O III 1666.153 0.31 0.13 0.43 45 34 0.76
Fe II 1569.674 0.24 0.29 1.24 22 22 0.99 Fe II 1669.663 0.22 0.15 0.67 16 12 0.75
Fe II 1570.242 0.35 0.39 1.12 23 25 1.07 Al II 1670.787 1.78 3.57 2.01 44 41 0.94
Fe II 1577.166 0.15 0.19 1.22 18 18 0.95 Fe II 1674.254 0.40 0.35 0.87 20 17 0.85
Fe II 1580.625 0.30 0.30 1.02 22 24 1.07 Fe II+ 1685.954 0.29 0.38 1.30 23 21 0.92
Fe II 1584.949 0.28 0.30 1.08 23 22 0.94 +Ni II              
Fe II 1588.286 0.36 0.55 1.53 21 19 0.90 Fe II 1686.455 0.44 0.55 1.26 23 20 0.84
C I 1602.972 0.13 0.13 0.99 15 16 1.07 Fe II 1686.692 0.60 0.59 0.99 25 26 1.04


Source LaTeX | All tables | In the text