\begin{table}%T6
  \caption{\label{tab6}Equivalent widths and abundances of O.  }
    %\centering
\par
\begin{tabular}{lcccccccc}
  \hline \hline
    {\rm Star} & \multicolumn{3}{c}{{\it EW}(m\AA)} & {\rm [O/Fe]} & \multicolumn{3}{c}{{\rm $\Delta_{\rm NLTE}$}} & {\rm [O/Fe]} \\
 \ & 7771/ & 7774/ & 7775 & {\rm LTE} & 7771/ & 7774/ & 7775 & {\rm NLTE}  \\
 \hline
{\rm HD}~108177 & 34.0 & 24.3 & 10.8 & 0.74 &~$-$0.10 &~$-$0.09 &~$-$0.08 & 0.65  \\
{\rm HD}~149414 & 9.9 & 7.0 & 2.4 &  0.70 &~$-$0.01 &~$-$0.01 &~$-$0.01 & 0.69  \\
{\rm BD}~+02$^{\circ}$3375 & 9.6 & 5.4 & 3.8 & 0.66 &~$-$0.08 &~$-$0.07 &~$-$0.07 & 0.59  \\
{\rm BD}~+20$^{\circ}$3603 & 19.4 &  15.4 & -- & 0.75 &~$-$0.09 &~$-$0.08 & -- & 0.66  \\
{\rm BD}~+26$^{\circ}$2606 & 11.0 & 7.5 & 6.2 & 0.75 &~$-$0.08 &~$-$0.08 &~$-$0.07 & 0.68  \\
{\rm BD}~+28$^{\circ}$2137 & 25.3 & 12.3 & 7.7 & 0.64 &~$-$0.09 &~$-$0.08 &~$-$0.07 & 0.56  \\
{\rm BD}~+29$^{\circ}$2091 & 6.3 & -- & -- & 0.58 &~$-$0.02 & -- & -- & 0.56  \\
{\rm BD}~+34$^{\circ}$2476 & 25.9 & 21.9 & 12.4 & 0.69 &~$-$0.10 &~$-$0.09 &~$-$0.08 & 0.60 \\
{\rm BD}~+42$^{\circ}$2667 & 35.5 & 29.0 & 18.7 & 0.70 &~$-$0.11 &~$-$0.10 &~$-$0.09 & 0.61  \\
{\rm BD}~+51$^{\circ}$1696 & 14.0 & -- & -- & 0.55 &~$-$0.02 & -- & -- & 0.53  \\
  \hline
  \end{tabular}
    \end{table}