\begin{table}%t4 \caption{\label{table4}Final results of the O abundance analysis. Detailed results (line-by-line) of the O~abundance analysis are presented in Tables~\ref{res1} to~\ref{res13}. %in the electronic version of the paper. } %\centering \small \begin{tabular}{ccccccccccc} \hline \hline \noalign{\smallskip} Target & SpT & \Teff\ & \grav\ & \micro(O) & \abun{O} & $\Delta$\abun{O}($\sigma$) & $\Delta$\abun{O}(\micro) & $\Delta$\abun{O}(\Teff$\pm$500) & \abun{O}(\Teff+500, \Teff-500) \\ \hline \noalign{\smallskip} \hd{36512} & B0~V & 33~700 & 4.2 & $4.4 \pm 1.5$ & {\bf 8.71} & 0.10 & 0.05 & $\pm$0.06 & (8.76, 8.65) \\ \hd{37020} & B0.5~V & 30~500 & 4.2 & $6.4 \pm 1.6$ & {\bf 8.70} & 0.10 & 0.07 & $\pm$0.05 & (8.74, 8.65) \\ \hd{36960} & B0.5~V & 28~900 & 3.9 & $5.9 \pm 0.8$ & {\bf 8.71} & 0.10 & 0.04 & $\pm$0.03 & (8.74, 8.68) \\ \hd{37042} & B0.7~V & 29~700 & 4.2 & $4.9 \pm 1.1$ & {\bf 8.75} & 0.08 & 0.06 & $\pm$0.02 & (8.78, 8.74) \\ \hd{36591} & B1~V & 27~200 & 4.1 & $4.5 \pm 0.3$ & {\bf 8.71} & 0.10 & 0.02 & $\mp$0.02 & (8.71, 8.74) \\ \hd{36959} & B1~V & 25~800 & 4.2 & $2.1 \pm 0.4$ & {\bf 8.70} & 0.06 & 0.02 & $\mp$0.05 & (8.66, 8.76) \\ \hd{37744} & B1.5~V & 23~800 & 4.1 & $3.6 \pm 1.4$ & {\bf 8.70} & 0.07 & 0.06 & $\mp$0.09 & (8.61, 8.79) \\ \hd{35299} & B1.5~V & 23~700 & 4.2 & $2.8 \pm 0.6$ & {\bf 8.72} & 0.07 & 0.03 & $\mp$0.09 & (8.64, 8.82) \\ \hd{36285} & B2~V & 20~600 & 4.0 & $5.5 \pm 1.5$ & {\bf 8.80} & 0.10 & 0.06 & $\mp$0.13 & (8.67, 8.92) \\ \hd{35039} & B2~V & 19~800 & 3.7 & $5.3 \pm 1.5$ & {\bf 8.79} & 0.07 & 0.07 & $\mp$0.15 & (8.65, 8.94) \\ \hd{36629} & B2~V & 20~000 & 4.1 & $6.0 \pm 1.7$ & {\bf 8.76} & 0.10 & 0.06 & $\mp$0.14 & (8.62, 8.89) \\ \hd{36430} & B2~V & 18~600 & 4.1 & $6.3 \pm 2.2$ & {\bf 8.76} & 0.07 & 0.08 & $\mp$0.13 & (8.64, 8.90) \\ \hd{35912} & B2~V & 18~500 & 4.0 & 6.3$\pm$2.2 & {\bf 8.79} & 0.09 & 0.08 & $\mp$0.13 & (8.67, 8.93) \\ \hline \end{tabular} \vspace*{2mm} \end{table}