\begin{table}%t1
\caption{\label{mags}Colors and magnitudes of HD 174884.}             % title of Table
%\centering
                          % used for centering table
\begin{tabular}{c c c }        % centered columns (4 columns)
\hline\hline                 % inserts double horizontal lines
 & Observed & Dereddened \\    % table heading 
\hline                        % inserts single horizontal line
$V$    	& 7.998~$\pm$~0.002 & 7.001 $\pm$0.006\\      % inserting body of the table
$b-y$  	& 0.173~$\pm$~0.001 & --0.055~$\pm$0.002\\
$m_{1}$	& $0.042 \pm 0.001$ & 0.117~$\pm$~0.001\\
$c_{1}$ & 0.637~$\pm$~0.005 & 0.594~$\pm$~0.005\\
$\beta$	& 2.701 $\pm$ 0.011  &       \\ 
$J$    	& 7.577 $\pm $ 0.024  & 7.302 $\pm$ 0.025\\ 
$H$    	& 7.562 $\pm $ 0.023  & 7.391 $\pm $ 0.024\\      % inserting body of the table
$K$    	& 7.521 $\pm $ 0.021  & 7.412 $\pm$ 0.021\\      % inserting body of the table
\hline                                   %inserts single line
\end{tabular}
\end{table}