\begin{table}%t2
\caption{\label{tab:nicolet}Data from \citet{nicol81} for the cluster NGC~752.}
%\centerline
 {\begin{tabular}{rrrrr}
\hline\hline
Id & HD & HIP&$\varpi$ (mas)  & $\Delta m$ \\
\hline
 88 & 160~915 &  86~736 &  $56.65\pm0.24$ & 6.834 \\
123 & 109~085 &  61~174 &  $54.70\pm0.17$ & 6.815 \\
139 & 139~664 &  76~829 &  $57.35\pm0.16$ & 6.957 \\
235 &   7439 &   5799 &  $42.76\pm0.30$ & 6.165 \\
259 &  22~001 &  16~245 &  $46.12\pm0.13$ & 6.565 \\
266 &  22~001 &  16~245 &  $46.12\pm0.13$ & 6.430 \\
273 &  43~318 &  29716 &  $26.89\pm0.31$ & 5.727 \\
273 & 201~772 & 104~738 &  $30.34\pm0.34$ & 5.987 \\
304 &  70~958 &  41~211 &  $37.57\pm0.33$ & 6.188 \\
401 &   4813 &   3909 &  $63.48\pm0.35$ & 6.876 \\
402 & 189~245 &  98~470 &  $47.06\pm0.41$ & 6.295 \\
401 & 191~862 &  99~572 &  $36.10\pm0.41$ & 6.079 \\
401 & 196~378 & 101~983 &  $40.55\pm0.27$ & 7.032 \\
402 &  40~136 &  28~103 &  $67.21\pm0.25$ & 7.144 \\
403 & 193~307 & 100~412 &  $32.24\pm0.47$ & 6.144 \\
403 & 221~356 & 116~106 &  $38.29\pm0.54$ & 5.820 \\
414 & 198~188 & 102~762 &  $17.11\pm0.88$ & 4.759 \\
416 &  88~742 &  50~075 &  $43.77\pm0.41$ & 6.459 \\
416 & 210~918 & 109~821 &  $37.57\pm0.33$ & 6.186 \\
428 & 104~731 &  58~803 &  $39.49\pm0.28$ & 6.420 \\
430 & 221~356 & 116~106 &  $38.29\pm0.54$ & 5.905 \\
432 &  23~754 &  17~651 &  $56.73\pm0.19$ & 7.115 \\
\hline
\end{tabular}}
\medskip
  The identifier in Col.~1 comes from a proper motion study of this cluster by \citet{ebbig39}. 
 The identifiers in Cols.~2 and~3 apply to the comparison star. Column~4 gives the parallaxes from the new Hipparcos reduction.
\end{table}