\begin{table}%tb6
\par
\caption{\label{tab:pg1247data}Photometric data for PG~1247+267.}
\small%\centering
\par
\begin{tabular}{llll}
\hline\hline\noalign{\smallskip}
$\nu$ (Hz) & $F_{\nu}$ (Jy) & Error (Jy) & Ref. \\
\hline\noalign{\smallskip}
$1.49\times10^{9}$ & $1.17\times10^{-3}$ & ... & {VLA (NED)} \\ 
$4.90\times10^{9}$ & $7.20\times10^{-4}$ & $8.00\times10^{-5}$ & {VLA (NED)} \\ 
$1.49\times10^{10}$ & $1.51\times10^{-3}$ & $2.20\times10^{-4}$ & {VLA (NED)} \\ 
$2.30\times10^{11}$ & $2.10\times10^{-3}$ & ... & {IRAM (NED)} \\ 
$1.72\times10^{12}$ & $1.50\times10^{-1}$ & ... & {ISO (NED)} \\ 
$2.93\times10^{12}$ & $1.74\times10^{-1}$ & $3.48\times10^{-2}$ & {ISO (NED)} \\ 
$4.93\times10^{12}$ & $2.36\times10^{-1}$ & $4.72\times10^{-2}$ & {ISO (NED)} \\ 
$1.20\times10^{13}$ & $1.13\times10^{-1}$ & ... & {IRAS (NED)} \\ 
$2.34\times10^{13}$ & $3.00\times10^{-2}$ & $6.00\times10^{-3}$ & {ISO (NED)} \\ 
$3.91\times10^{13}$ & $1.00\times10^{-2}$ & $2.00\times10^{-3}$ & {ISO (NED)} \\ 
$6.17\times10^{13}$ & $9.00\times10^{-3}$ & ... & {ISO (NED)} \\ 
$1.39\times10^{14}$ & $3.55\times10^{-3}$ & $1.36\times10^{-4}$ & {2MASS} \\ 
$1.80\times10^{14}$ & $2.99\times10^{-3}$ & $1.45\times10^{-4}$ & {2MASS} \\ 
$2.43\times10^{14}$ & $2.93\times10^{-3}$ & $1.10\times10^{-4}$ & {2MASS} \\ 
$3.33\times10^{14}$ & $6.31\times10^{-3}$ & $1.74\times10^{-3}$ & {SSS} \\ 
$3.28\times10^{14}$ & $3.01\times10^{-3}$ & $1.37\times10^{-5}$ & {SDSS-DR5} \\ 
$3.93\times10^{14}$ & $2.66\times10^{-3}$ & $9.69\times10^{-6}$ & {SDSS-DR5} \\ 
$4.28\times10^{14}$ & $4.03\times10^{-3}$ & $1.11\times10^{-3}$ & {SSS} \\ 
$4.81\times10^{14}$ & $2.26\times10^{-3}$ & $8.02\times10^{-6}$ & {SDSS-DR5} \\ 
$6.28\times10^{14}$ & $2.13\times10^{-3}$ & $6.42\times10^{-6}$ & {SDSS-DR5} \\ 
$6.81\times10^{14}$ & $3.54\times10^{-3}$ & $1.30\times10^{-3}$ & {SSS} \\ 
$8.47\times10^{14}$ & $2.27\times10^{-3}$ & $9.92\times10^{-6}$ & {SDSS-DR5} \\ 
$9.67\times10^{14}$ & $1.17\times10^{-3}$ & $8.00\times10^{-6}$ & {\XMM-OM} \\ 
$1.25\times10^{15}$ & $6.70\times10^{-4}$ & $2.00\times10^{-5}$ & {\XMM-OM} \\ 
$1.48\times10^{15}$ & $3.70\times10^{-4}$ & $2.00\times10^{-5}$ & {\XMM-OM} \\ 
 \hline 
\end{tabular} 
\vspace*{4mm}
\end{table}