\begin{table}%t1
\caption{\label{table:1}Journal of the spectroscopic observations of HD~50773: dates, instrument, exposure time, peak S/N, HJD, phase, $B_{\rm l}$,~$\sigma$.}           
%\centering
\small 
\begin{tabular}{cccccccc}     
\hline\hline \noalign{\smallskip}      
Date          &Instrument & Exposure time& S/N & HJD        & Phase & $B_{{\rm l}}$  & $\sigma$   \\
              &           &              &     &(2~450~000+) &       & G      & G          \\
\hline                        
22 Feb. 2007  & NARVAL   &4 $\times$ 600 s         & 136 &4154.5095   &0.289  &  50 & 99       \\
28 Feb. 2007  & NARVAL   &4 $\times$ 800 s         & 78  &4159.5142   &0.682  & --96  & 223	  \\
28 Feb. 2007  & ESPaDOnS &4 $\times$ 525 s         & 130 &4159.7852   &0.812  & --148 & 102       \\
04 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 64  &4439.4471   &0.557  & --179 & 188        \\
05 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 81  &4439.7077   &0.681  & --70  & 161        \\
12 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 156 &4447.4335   &0.376  & 382  & 84         \\
13 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 154 &4447.6877   &0.498  & 441  & 69         \\
13 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 141 &4448.4290   &0.852  &--386 & 94          \\
14 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 123 &4448.6841   &0.974  &--278 & 95          \\
14 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 163 &4449.4622   &0.346  & 219 & 80           \\
15 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 115 &4449.7114   &0.465  & 579 & 98         \\
15 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 119 &4450.4431   &0.815  & --45 & 119        \\
16 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 107 &4450.6943   &0.935  & --382 & 114        \\
16 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 110 &4451.4378   &0.291  & --100 & 138        \\
17 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 106 &4451.6888   &0.411  & 355  & 126        \\
18 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 170 &4453.4605   &0.258  & 9   & 77         \\
19 Dec. 2007  & NARVAL   &4 $\times$ 600 s         & 138 &4453.7095   &0.377  & 273 & 94         \\
28 Dec. 2007  & SemelPol &4 $\times$ 2100 s        & 170 &4463.1133   &0.875  & --368 & 43         \\
01 Jan. 2008  & SemelPol &4 $\times$ 900 s         & 130 &4467.0690   &0.766  & 13  & 64        \\
\hline                                 
\end{tabular}
\end{table}