\begin{table}%t1
\caption{The list of observed stars and measurement data.
Column headings:
HD -- HD number; SpL -- spectral and luminosity class; $V$ -- visual
apparent magnitude; DIB~5780  and DIB~5797 -- equivalent widths (m\AA) of 5780 and 5797
DIBs respectively.\label{tab1}}
%\centerline
{\begin{tabular}{rlrrr}
\hline\hline
HD      &  SpL         &    $V$   & DIB~5780   &  DIB~5797   \\
\hline
31648   & A5 Vp$^a$    &  7.73  & $59\pm5$  & $<$5       \\
36917   & A0V$^c$      &  8.03  & $83\pm7$  & $52\pm5$   \\
50138   & B5 III$^b$   &  6.583 & $51\pm6$  & $19\pm4$   \\
179218  & A0 IVe$^a$   &  7.2   & $107\pm6$ & $<$11      \\
190073  & A2 IVev$^a$  &  7.2   & $85\pm5$  & $<$12      \\
250550  & A0$^c$      &  9.57  & $107\pm6$ & $11.7\pm2$ \\
\hline
\end{tabular} }
\par
\smallskip
{$^a$ Mora et~al. (\cite{Mora01});
 $^b$ Jaschek et~al. (\cite{Jaschek92}); $^c$ The SIMBAD database ({\tt http://simbad.u-strasbg.fr}).  }
\end{table}