\begin{table}%t3
      \caption{\label{tab3}Flux contribution from host galaxies of PKS 2005-489 and PKS 2155-304.}
     $$ 
         \begin{array}{p{0.1\linewidth}cc}
            \hline\hline
           % \noalign{\smallskip}
 \rm  Filter   & \rm PKS ~ 2005{-}489& \rm PKS ~ 2155{-}304 \\
  \rm     & F \rm (mJy)& F \rm (mJy) \\
            %\noalign{\smallskip}
            \hline
            %\noalign{\smallskip}
$B$ &   1.5   &    2.5 \\  
$V$   &   3.1 &   3.5  \\
$R$   &   4.8 &    5.2 \\
$I$ &    7.6 &  6.5 \\  
$J$ &    14.6 &  3.6  \\  
$H$ &    22.5 &  12.2 \\  
           % \noalign{\smallskip}
            \hline
         \end{array}
     $$ 
   \end{table}