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Table 3

Abundance values.

Source A O A Ne A Fe

4U 0614+091 0.28 ± 0.06 0.43 ± 0.11 0.17 ± 0.05
4U 0918–54 <1.73 <1.84 <1.49
4U 1254–69 1.01 ± 0.18 1.07 ± 0.34 0.84 ± 0.17
4U 1636–53 0.62 ± 0.31 0.60 ± 0.39 0.59 ± 0.31
4U 1728–16 0.33 ± 0.05 0.51 ± 0.11 0.23 ± 0.04
4U 1735–44 0.58 ± 0.32 0.92 ± 0.83 0.76 ± 0.52
4U 1820–30 0.61 ± 0.42 0.40 ± 0.42 0.66 ± 0.41
4U 1915–05 0.76 ± 0.51 0.78 ± 0.81 0.77 ± 0.64
4U 1957+11 < 0.38 0.62 ± 0.57
Aql X–1 0.97 ± 0.13 1.34 ± 0.22 0.98 ± 0.14
Cygnus X–1 0.34 ± 0.04 0.60 ± 0.06 0.32 ± 0.03
Cygnus X–2 0.41 ± 0.08 0.51 ± 0.11 0.33 ± 0.07
EXO 0748–676 < 2.04
GRO J1655–40 0.55 ± 0.07 0.94 ± 0.09 0.65 ± 0.08
GS 1826–238 1.18 ± 0.22 1.56 ± 0.34 1.11 ± 0.19
GX 339–4 1.13 ± 0.32 1.38 ± 0.37 1.21 ± 0.28
GX 349+2 0.76 ± 0.40 0.51 ± 0.34
GX 9+9 0.30 ± 0.06 0.43 ± 0.11 0.22 ± 0.06
J1753.5–0127 < 1.50 < 1.50 < 1.50
Swift J1808-3658 0.47 ± 0.53
Swift J1910.2-0546 0.26 ± 0.12 0.46 ± 0.17 0.39 ± 0.12
Sco X–1 0.65 ± 0.54 0.62 ± 0.60
Ser X–1 1.65 ± 0.66 1.96 ± 0.89 1.55 ± 0.67
XTE J1817-330 1.32 ± 0.46 1.13 ± 0.53 1.06 ± 0.37

Notes. Abundances are relative to the solar values of Grevesse & Sauval (1998).

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