\begin{table}%t3 %\centering \par \caption{Spectral types of the program stars from Wang \& Hu (\cite{wang}), from photometry in the Vilnius system by Kazlauskas \& Jasevicius (\cite{Kaz86}) transformed by us into spectral types following Stray\v{z}is (\cite{Str77}), and from classification of our Echelle spectra against the Yamashita et~al. (\cite{yamashita}) reference spectral atlas. The last columns give the $E_{B-V}$ (from Fitzgerald \cite{fitzgerald} intrinsic colors) and the spectro-photometric distances for our spectral classification and the photometry in Table~\ref{t1}.}\label{t3} \begin{tabular}{rlcclc} \hline\hline &\multicolumn{3}{c}{spectral type}&\\ \cline{2-4} \# & WH00&Vilnius&our&$E_{B-V}$ & $d$ (kpc) \\ 1 & F0 III & F1 V & F0 III & 0.11 & 0.2 \\ 2 & B0 I & B1 Ia & B0 I & 0.97 & 2.0 \\ 3 & B0 I & B1 Ia & B0 I/II & 1.06 & 1.4 \\ 4 & O7 II & B1 Ia & O9 Ib & 0.92 & 2.3 \\ 5 & B0 IIIe & & B0 IIIe & 1.07 & 1.2 \\ 6 & B0 II & B2 Ia & B0 V & 0.93 & 1.1 \\ 7 & B4 II & B3 V & B5 IV & 0.26 & 1.6 \\ 8 & B0 III & B0 III& B0 Ib/II & 0.99 & 3.0 \\ 9 & A4 V & F0 V & A4 V & 0.23 & 0.3 \\ 10 & B6 II & B2 V & B5 V/IV & 0.41 & 1.2 \\ 11 & & A5 V & A5 III/II & 0.39 & 1.9 \\ 12 & & B2 V & B2 V & 0.26 & 5.3 \\ 13 & G6 III & & G5 III & 0.00 & 1.1 \\ 14 & A8 II & A4 V & F7 IV & 0.00 & 0.7 \\ 15 & B1 II & B3 Ib & B1 III & 1.38 & 1.6 \\ 16 & & B1 II & B0 V & 0.83 & 2.8 \\ \hline \end{tabular} \end{table}