\begin{table}%t1 \caption{\label{tab1}The sources and their core luminosities in the radio, $L_{\nu {\rm r}}$ ($\times 10^{23}$~W~Hz$^{-1}$), and IR/optical/UV bands, $L_{\nu {\rm IR}}$, $L_{\nu {\rm o}}$ and $L_{\nu {\rm UV}}$ ($\times 10^{19}$ W Hz$^{-1}$).} %\centerline { \begin{tabular}{cccccccc} \hline\hline\noalign{\smallskip} Source & Alt. name & $z$ & Envir. & $L^{a}_{\nu {\rm r}}$ & $L_{\nu {\rm IR}}$ & $L^{e}_{\nu {\rm o}}$ & $L_{\nu {\rm UV}}$ \\ \noalign{\smallskip}\hline \noalign{\smallskip} 3C~~29 & & 0.0438 & A 119 & 3.5 & & 4.1 & $^*$ \\ 3C~~31 & NGC 383 & 0.0169 & Arp 331 & 0.51 & & 1.6 & \\ 3C~66B & & 0.0215 & & 1.6 & & 8.8 & 3.5$^{h}$, 2.5$^{i}$, 1.35$^{m}$ \\ 3C~~78 & NGC 1218 & 0.0288 & & 15 & & 96, 85$^{f}$& 27.5$^{m}$ \\ 3C~83.1 & NGC 1265 & 0.0251 & Perseus & 0.26 & & 0.42 & \\ 3C~~189 & NGC 2484 & 0.0413 & & 6.5 & & 25$^{g}$ & \\ 3C~272.1 & M 84 & 0.0037 & Virgo & 0.047 & 1.0$^{b}$, 0.95$^{c}$, 1.1$^{d}$ & 0.37$^{g}$, 0.13$^{f}$ & \\ 3C~277.3 & & 0.0857 & Coma A & 1.8 & & 3.7, 5.4$^{f}$ & \\ 3C~288 & & 0.246 & & 39 & & 15.1 & \\ 3C~296 & NGC 5532 & 0.0237 & & 0.84 & & 0.65 & \\ 3C~310 & & 0.0535 & & 4.5 & & 3.6 & \\ 3C~317 & & 0.0342 & A 2052 & 8.9 & 27$^{b}$ & 5.1$^{g}$, 3.8$^{f}$ & 0.22$^{m}$ \\ 3C~338 & NGC 6166 & 0.0303 & A 2199 & 1.9 & 2.6$^{b}$ & 3.0 & 0.14$^{m}$ \\ 3C~346 & & 0.162 & & 120 & & 241 & 29$^{l}$ \\ 3C~348 & & 0.154 & Her A & 4.9 & & 8.1 & \\ 3C~442 & NGC 7237 & 0.0262 & Arp 169 & 0.027 & & 0.23, 0.13$^{f}$ & \\ 3C~449 & & 0.0171 & & 0.21 & & 2.5 & $^*$ \\ \hline \end{tabular} } \smallskip $^{a}$ 5 GHz; $^{b}$ 16~000~\AA; $^{c}$ 11~000~\AA; $^{d}$ 20~500~\AA; $^{e}$ 7020~\AA; $^{f}$ 5500~\AA; $^{g}$ 8140~\AA; $^{h}$ 4440~\AA; $^{i}$ 3400~\AA; $^{l}$ 1400~\AA; $^{m}$ 2500~\AA; $^*$ we did not use the HST data in the UV band for 3C~29 and 3C~449 since the nuclear emission of these sources is clearly affected by obscuration from extended (kpc--scale) dusty structures (Chiaberge et~al. \cite{Chiaberge2002}). \end{table}