\begin{table}%t2
\caption{Atmospheric parameters for the analysed stars of the Praesepe cluster.}
\label{parameters}
\small%\centerline
 {
\begin{tabular}{cccccccccccc}
\hline
\hline
 & \multicolumn{2}{c}{Str\"{o}mgren photometry} & \multicolumn{2}{c}{Geneva photometry} & \multicolumn{2}{c}{Final set} & & & & & \\
HD & \Teff & \logg  & \Teff & \logg & \Teff & \logg & \vmic  & \vsini & $\sigma_{\ensuremath{{\upsilon}\sin i}}$ & \vr & $\sigma_{{\upsilon}_{{\rm r}}}$ \\
   &   [K] & [cgs]  &  [K]  & [cgs] &   [K] & [cgs] & [\kms] & [\kms] & [\kms] & [\kms] & [\kms] \\
\hline						72757 & 7330 & 3.81 &      &      & 7400 & 3.60 & 2.7 & 179 & 10 & 35.8 & 7.0 \\	72846 & 8187 & 3.85 & 8146 & 4.12 & 8045 & 3.50 & 2.5 & 119 &  6 & 35.1 & 7.3 \\	
73175 & 7735 & 3.94 & 7506 & 4.22 & 7660 & 3.94 & 2.6 & 163 &  9 & 36.7 & 5.7 \\	
73345 & 7779 & 3.92 & 7865 & 4.43 & 7993 & 3.96 & 2.6 & 85  &  4 & 34.5 & 4.4 \\	
73450 & 7271 & 3.77 & 7455 & 4.26 & 7270 & 4.20 & 2.7 & 138 &  7 & 34.5 & 5.1 \\	
73574 & 7659 & 3.90 & 7733 & 4.36 & 7662 & 4.00 & 2.6 & 102 &  4 & 35.3 & 4.5 \\	
73746 & 7390 & 4.01 & 7236 & 4.16 & 7440 & 4.08 & 2.7 & 95  &  4 & 34.2 & 3.6 \\	
73798 & 7355 & 3.80 & 7301 & 4.11 & 7328 & 3.95 & 2.7 & 200 & 11 & 34.1 & 5.9 \\	
73993 & 7124 & 3.74 & 7153 & 4.11 & 7138 & 3.92 & 2.8 & 240 & 14 & 33.6 & 7.5 \\	
74028 & 7517 & 3.65 & 7772 & 4.34 & 7750 & 4.50 & 2.6 & 150 &  9 & 35.3 & 7.4 \\	
74050 & 7767 & 3.78 & 7722 & 4.19 & 7872 & 3.66 & 2.6 & 188 &  8 & 36.0 & 7.8 \\	
74135 &      &      & 7016 & 4.22 & 7400 & 4.00 & 2.7 & 100 &  4 & 32.5 & 5.7 \\	
74587 &      &      & 7246 & 4.15 & 7500 & 4.20 & 2.7 & 90  &  4 & 33.9 & 4.1 \\	
74589 & 7581 & 4.04 &      &      & 7550 & 4.03 & 2.7 & 127 &  5 & 34.1 & 4.7 \\	
74656 &      &      & 7517 & 4.11 & 7800 & 3.99 & 3.6 & 25  &  1 & 34.1 & 1.3 \\	
74718 & 7599 & 3.99 & 7453 & 4.21 & 7600 & 4.00 & 2.7 & 155 &  7 & 34.1 & 5.7 \\	
\hline
\end{tabular}}
\medskip
Columns two to five show the fundamental parameters derived from Str\"{o}mgren and Geneva photometry.
The sixth and seventh columns show the final adopted parameters derived from spectroscopy.
\end{table}