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Table 2.

Chemical composition of the AGB winds considered in this study, according to the stellar masses and metallicities.

AGB models
[Fe/H]ini (dex) −2.31 (a) −3.00 (b)
Mass/M⊙ 1.0 2.0 3.0 1.0 2.0 3.0
Wind
Zwind 4.6 × 10−3 1.5 × 10−2 3.6 × 10−3 2.8 × 10−3 1.4 × 10−2 2.5 × 10−2
H 0.719 0.679 0.712 0.730 0.678 0.619
3He 4.35 × 10−4 1.68 × 10−4 4.30 × 10−4 2.28 × 10−4 2.56 × 10−6 3.90 × 10−8
4He 0.276 0.306 0.284 0.267 0.308 0.356
7Li 1.04 × 10−11 1.56 × 10−11 7.79 × 10−11 2.44 × 10−9 2.01 × 10−10 6.44 × 10−11
12C 2.76 × 10−3 1.62 × 10−2 5.76 × 10−3 2.01 × 10−3 4.71 × 10−4 8.8 × 10−4
13C 2.25 × 10−6 7.27 × 10−7 5.48 × 10−4 1.07 × 10−4 1.08 × 10−4 2.04 × 10−4
N 3.33 × 10−5 2.60 × 10−5 3.69 × 10−4 5.94 × 10−5 1.26 × 10−2 2.23 × 10−2
O 1.90 × 10−4 4.78 × 10−4 2.48 × 10−4 2.60 × 10−4 1.98 × 10−4 3.48 × 10−4
Ne 1.02 × 10−5 1.60 × 10−5 1.21 × 10−5 8.40 × 10−6 4.59 × 10−5 2.58 × 10−4
Na 7.89 × 10−7 1.65 × 10−5 2.92 × 10−6 1.58 × 10−7 3.34 × 10−4 6.74 × 10−4
Mg 2.73 × 10−6 8.56 × 10−6 3.87 × 10−6 1.27 × 10−6 1.43 × 10−6 1.69 × 10−6
Al 2.92 × 10−7 4.60 × 10−7 8.09 × 10−7 31.6 × 10−7 1.73 × 10−6 1.43 × 10−5
Si 3.28 × 10−6 3.35 × 10−6 3.65 × 10−6 1.15 × 10−6 1.98 × 10−6 6.30 × 10−6
P 4.22 × 10−7 4.79 × 10−7 6.00 × 10−7 1.26 × 10−6 7.54 × 10−7 5.44 × 10−6
S 1.99 × 10−6 1.96 × 10−6 2.02 × 10−6 8.43 × 10−6 6.57 × 10−7 1.70 × 10−6
Fe 5.83 × 10−6 5.60 × 10−6 5.77 × 10−6 1.39 × 10−6 1.35 × 10−6 1.31 × 10−6
Ni 2.47 × 10−7 2.33 × 10−7 2.44 × 10−7 2.00 × 10−8 1.90 × 10−8 1.80 × 10−8
[Fe/H]ini (dex) −4.00 (b) −5.45 (b)
Mass/M⊙ 1.0 2.0 3.0 1.0 2.0 3.0
Wind
Zwind 7.8 × 10−3 5.0 × 10−3 Not available (b) 2.8 × 10−3 5.0 × 10−3 1.7 × 10−2
H 0.724 0.695 – 0.730 0.651 0.603
3He 2.0 × 10−4 2.74 × 10−6 – 1.68 × 10−4 1.71 × 10−7 1.89 × 10−8
4He 0.268 0.300 – 0.267 0.344 0.380
7Li 1.73 × 10−8 4.43 × 10−10 – 1.00 × 10−8 3.91 × 10−10 5.03 × 10−11
12C 4.88 × 10−3 1.77 × 10−4 – 1.84 × 10−3 4.96 × 10−4 6.35 × 10−4
13C 3.69 × 10−4 4.30 × 10−5 – 1.42 × 10−4 1.14 × 10−4 1.49 × 10−4
N 2.06 × 10−4 4.41 × 10−3 – 8.07 × 10−5 1.34 × 10−2 1.58 × 10−2
O 1.73 × 10−3 9.31 × 10−5 – 1.04 × 10−4 2.06 × 10−4 2.23 × 10−4
Ne 2.06 × 10−5 7.59 × 10−5 – 3.80 × 10−6 5.82 × 10−5 2.17 × 10−4
Na 4.95 × 10−6 4.97 × 10−5 – 1.61 × 10−7 2.50 × 10−4 2.61 × 10−4
Mg 3.16 × 10−7 2.26 × 10−7 – 5.94 × 10−9 3.10 × 10−7 6.03 × 10−7
Al 2.97 × 10−8 4.37 × 10−7 – 1.61 × 10−10 2.63 × 10−6 9.79 × 10−6
Si 1.66 × 10−7 2.30 × 10−7 – 4.32 × 10−9 1.02 × 10−6 2.43 × 10−6
P 4.88 × 10−8 8.55 × 10−8 – 8.49 × 10−11 8.33 × 10−7 2.47 × 10−6
S 9.00 × 10−8 7.05 × 10−8 – 1.84 × 10−9 1.82 × 10−7 5.96 × 10−7
Fe 1.38 × 10−7 1.38 × 10−8 – 5.00 × 10−9 4.91 × 10−9 4.82 × 10−9
Ni 1.94 × 10−9 1.95 × 10−9 – 7.07 × 10−11 6.92 × 10−11 6.80 × 10−11

Notes. The wind abundances are given in mass fraction.

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