Table 3: Abundances derived for HD 207538 expressed in the usual form $\log \epsilon$ (El) compared with those estimated by Daflon et al. (1999) (Col. 3), by Gies & Lambert (1992) (Col. 4) and the Sun (Grevesse et al. 1996, Col. 5). Errors have been estimated to be 0.2 dex.
El This D G & L Sun
  work      
He 11.30   11.29 $\pm$ 0.05$^{\rm a}$ 10.99 $\pm$ 0.03
C 8.50   8.40 $\pm$ 0.11$^{\rm a}$ 8.55 $\pm$ 0.05$^{\rm b}$
N 8.11 7.99 $\pm$ 0.16 7.70 $\pm$ 0.06$^{\rm a}$ 7.97 $\pm$ 0.07
O 8.66 8.67 $\pm$ 0.16 8.78 $\pm$ 0.12$^{\rm a}$ 8.88 $\pm$ 0.07$^{\rm b}$
Al 6.53   6.62 $\pm$ 0.20$^{\rm a}$ 6.47 $\pm$ 0.07
Si 7.61 7.74 $\pm$ 0.05 7.35 $\pm$ 0.02$^{\rm a}$ 7.55 $\pm$ 0.05
P 5.51     5.45 $\pm$ 0.04
S 7.27   7.21 $\pm$ 0.12 7.33 $\pm$ 0.11
Fe 7.10   7.71 $\pm$ 0.23 7.50 $\pm$ 0.04
Mn 5.45     5.39 $\pm$ 0.03
Ni 5.80     6.25 $\pm$ 0.01
Zn 4.20     4.50 $\pm$ 0.08
a Average value calculated over the abundances reported for the five stars quoted in Table 2.
b According to a recent revision of the carbon and oxygen abundances in the Sun performed by
Allende Prieto et al. (2002), these values should be $8.39 \pm 0.04$ and $8.69 \pm 0.07$ respectively.
They are in better agreement with the B star abundances.

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