Table 2: The atmospheric parameters, effective temperature ( $T_{\rm eff}$), surface gravity ($\log g$), microturbulence velocity ($\xi $) and metallicity ([Fe/H]) (we use throughout the notation [A/B $] = \log (N$(A)/N(B) $_{\rm star} - \log (N$(A)/N(B) $_{\rm\odot }$), derived for the sample stars as described in the text. The values for [Fe I/H] and [Fe II/H] are followed by the standard deviation and the number of lines on which the abundance is based.

Star		 $T_{\rm eff}$ (K) $\log g$ $\xi $(km s-1) [Fe I/H $] \pm \sigma$ (#) [Fe II/H $] \pm \sigma$ (#)
HR 440 4780 2.43 1.71 -0.34 $\pm$ 0.07 (129) -0.33 $\pm$ 0.07 (13)
HR 649 5120 2.49 1.96 -0.14 $\pm$ 0.06 (117) -0.15 $\pm$ 0.07 (13)
HR 1016 5080 2.60 1.80 -0.11 $\pm$ 0.06 (119) -0.11 $\pm$ 0.09 (13)
HR 1326 4650 2.51 1.52 +0.00 $\pm$ 0.07 (119) +0.01 $\pm$ 0.16 (13)
HR 2392 4940 2.65 1.87 -0.09 $\pm$ 0.12 (115) -0.08 $\pm$ 0.15 (12)
HR 4608 4920 2.58 1.71 -0.35 $\pm$ 0.05 (117) -0.34 $\pm$ 0.06 (13)
$\epsilon $ Vir 5082 2.85 1.86 +0.12 +0.12
HR 5058 4790 2.67 1.97 -0.12 $\pm$ 0.13 (109) -0.13 $\pm$ 0.22 (11)
HR 5802 5010 2.89 1.67 -0.02 $\pm$ 0.06 (129) -0.03 $\pm$ 0.06 (13)
HR 7321 4810 2.48 1.70 -0.19 $\pm$ 0.06 (125) -0.17 $\pm$ 0.07 (13)
HR 8115 4910 2.41 1.85 -0.04 $\pm$ 0.07 (125) -0.03 $\pm$ 0.09 (13)
HR 8204 5250 1.53 2.49 -0.09 $\pm$ 0.12 (105) -0.13 $\pm$ 0.11 (10)
HD 205011 4780 2.41 1.70 -0.14 $\pm$ 0.09 (117) -0.13 $\pm$ 0.10 (13)
HR 8878 4370 1.91 1.61 -0.67 $\pm$ 0.07 (131) -0.63 $\pm$ 0.10 (13)


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