\begin{table}%t2
\caption{\label{tab2}The value of linear polarization from accretion disks.}
\small
%\centering
\par
\begin{tabular}{l c c c c}
\hline\hline
\noalign{\smallskip}
Source  & $\log{\frac{M_{\rm BH}}{M_{\odot}}}$ & $\log{\frac{L_{\rm bol}}{L_{\rm Edd}}}$ &
$p$ [\%] & $p$ [\%] \\
 &  &  & $\frac{a}{M_{\rm BH}}=0.5$ & $\frac{a}{M_{\rm BH}}=0.998$ \\
 &  &  & $\varepsilon =0.081$   & $\varepsilon =0.32$ \\
\noalign{\smallskip}
\hline
BLRG      & 8.64 & $-$1.5  & 0.06 & 0.057 \\
NLRG      & 8.14 & $-$2.92 & 0.09 & 0.067 \\
SSRQ      & 9.29 & $-$0.90 & 0.05 & 0.057 \\
FSRQ      & 9.01 & 0.44    & 0.94 & 0.042 \\
Seyfert 1 & 7.23 & $-$0.59 & 1.40 & 0.036 \\
\hline
\end{tabular}
\end{table}