\begin{table}%t1
      \caption{\label{tabla1}Spectral parameters of A-type asteroids (1951) Lick (this paper), (446) Aeternitas (Gaffey et~al. \cite{gaffey1993}) and Brachina meteorite (this paper).}
        %\centering
\par
         \begin{tabular}{lccc}
          \hline\hline
             &  {(1951)} \ Lick &  {(446)} \ Aeternitas & Brachina \\
            \hline
            \noalign{\smallskip}
            Band \ I \ minimum \ [$\mu$m] & $1.032 \pm 0.023$ & $-$ & $1.045 \pm 0.005 $\\
	    Band \ I \ center \ [${\rm \mu m}$] & $1.083 \pm 0.022$  & $1.070 \pm 0.020$ & $1.070 \pm 0.005$ \\    
	    Slope \ I & 0.707  & 0.750 & 0.104 \\
	    Band \ area \ I & 0.252 & $-$ & 0.218 \\
	    Band \ area \ II & 0.000  & $-$ & 0.006 \\
	    BAR & 0.000 & 0.090 & 0.027 \\
            \noalign{\smallskip}
            \hline
         \end{tabular}
       \end{table}