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Table 5

Abundances.

Star [Fe/H] [Mg/H] σ N [Si/H] N σ [Ca i/H] σ N [Ca ii/H] σ N

SDSS J144256-001542 −4.09 −3.82 0.18 1 −3.80 0.19 1 −3.69 0.08 2
SDSS J153346+155701 −3.34 −3.28 0.13 3 −3.26 0.19 1 −2.40 0.24 3
SDSS J161956+170539 −3.57 −3.53 0.11 4 −3.88 1 0.19 −3.92 0.19 1 −3.20 0.23 2

Notes. The σ represents the line-to-line scatter when more than one line is measured. It is derived from Monte Carlo simulations when only one line is measured (see Sbordone et al., in prep.).

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