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Table 3

Equivalent widths for the available metallic lines of the secondary.

Species λ (Å) EWmeas. (mÅ) EWcorr. (mÅ) [X/H]

N II 3995 62 98 7.54
O II 4069 89 129 8.19
O II 4072 65 99 8.34
O II 4076 75 117 8.35
O II 4591 51 80 8.21
O II 4596 48 75 8.23
O II 4662 42 66 8.04
Mg II 4481 53 34 6.68
Si III 4553 87 142 6.88
Si III 4568 69 108 6.85
Si III 4575 42 66 6.90
Si IV 4116 25 39 6.85

Notes. Abundances (where [X/H] = log(X/H) + 12) have been calculated by scaling the measured equivalent widths (EWmeas.) to give corrected widths (EWcorr.) assuming that the secondary is 1.8 times brighter than the primary.

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