\begin{table}

\caption{Sample of B3-VLA quasars studied: results of the analysis.}
\label{tab:Sample}

\begin{tabular}{lrcrccrrrcrrrrrrr}
\hline\hline
Object&$z$&$S_{\rm 408}$ &$\alpha_{\rm 408}^{\rm 1460}$&Obs.&$K$ mag&$\chi^2/\nu$&$P_{\rm ext}$&\%$_{\rm ext}$&Ext.&$\alpha$&$P_{\rm e}$&$P_{\rm d}$& $P_{\rm e}/P_{\rm d}$ &$K_{\rm HG}$&$K_{\rm nuc}$&$r_{\rm e}$\\
 (1)& (2)& (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10) & (11) & (12) & (13) & (14) & (15) & (16) & (17) \\
\hline
0006+397 &1.830&  1.15&  0.66&$O_1$&16.72~$\pm$~0.12&   1.98&95.8&19.5&Yes&0.55&48&13&3.7&18.5~$\pm$~0.2&17.0~$\pm$~0.2&2.39~$\pm$~0.09\\
0019+431 &1.050&  2.22&  1.34&$O_1$&15.47~$\pm$~0.12&   0.38&90.4& 5.5&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0022+390 &1.932&  1.10&  0.10&$O_1$&16.65~$\pm$~0.13&   8.70&99.8&41.4&Yes&0.38&84& 9&9.1&17.6~$\pm$~0.2&17.2~$\pm$~0.1&2.00~$\pm$~0.02\\
0032+423 &1.588&  0.92&  0.94&$W$       &16.24~$\pm$~0.08&$<$0.03&90.0&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0110+401 &1.479&  1.08&  0.65&$O_1$&17.13~$\pm$~0.09&   4.48&98.6&51.8&Yes&0.40&84&11&7.7&17.9~$\pm$~0.2&17.9~$\pm$~0.2&3.60~$\pm$~0.02\\
0137+401 &1.620&  0.82&  0.85&$O_1$&16.94~$\pm$~0.05&   0.91&91.8&16.5&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0143+446 &0.813&  1.71&  0.99&$O_1$&13.99~$\pm$~0.16&   6.89&99.5&11.5&?&0.40&84&11&7.7&16.3~$\pm$~0.1&14.1~$\pm$~0.2&7.09~$\pm$~0.02\\
0144+430 &1.790&  0.92&  1.01&$W$       &16.17~$\pm$~0.03&$<$0.03&90.0&15.3&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0144+432 &1.260&  0.82&  0.70&$O_1$&17.12~$\pm$~0.18&   8.73&99.8&80.2&Yes&0.40&84&11&7.7&17.4~$\pm$~0.1&18.9~$\pm$~0.4&4.45~$\pm$~0.02\\
0157+442 &0.721&  3.26&  0.91&$O_1$&16.32~$\pm$~0.17&  18.74&99.9&83.4&Yes&0.39&84&11&7.7&16.5~$\pm$~0.1&18.3~$\pm$~0.4&4.09~$\pm$~0.02\\
0158+394 &0.780&  0.12&  0.18&$O_2$&16.34~$\pm$~0.07&   5.45&99.1& 6.8&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0217+417 &1.430&  0.85&  0.94&$O_1$&17.18~$\pm$~0.15&   2.16&96.2&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0219+443 &0.852&  0.89&  1.17&$W$       &14.88~$\pm$~0.02&   2.55&96.7&42.3&Yes&0.51&61&13&4.8&15.8~$\pm$~0.1&15.4~$\pm$~0.1&1.73~$\pm$~0.15\\
0226+467 &1.216&  2.45&  0.93&$O_1$&16.27~$\pm$~0.08 &   8.23&99.8&44.7&Yes&0.37&84& 9&9.1&17.2~$\pm$~0.2&16.9~$\pm$~0.1&5.25~$\pm$~0.02\\
0232+411b&0.500&  2.75&  0.99&$W$       &14.27~$\pm$~0.02&   7.63&99.6&34.2&Yes&0.36&84& 9&9.1&15.4~$\pm$~0.1&14.7~$\pm$~0.1&1.44~$\pm$~0.01\\
0249+383 &1.120&  0.95&  0.34&$W$       &16.17~$\pm$~0.06&   4.38&98.5&46.0&Yes&0.60&40&17&2.3&16.8~$\pm$~0.1&17.0~$\pm$~0.1&2.01~$\pm$~0.13\\
0255+460 &1.210&  1.74&  0.77&$O_1$&17.89~$\pm$~0.20&   0.30&90.2&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
0704+384 &0.579&  2.87&  1.06&$O_1$&15.02~$\pm$~0.16&  17.62&99.9&33.5&Yes&0.37&84& 9&9.1&16.2~$\pm$~0.1&15.5~$\pm$~0.2&5.91~$\pm$~0.02\\
0729+391 &0.663&  0.26&  0.43&$O_1$&15.60~$\pm$~0.14&  20.38&99.9&91.7&Yes&0.57&48&15&3.2&15.7~$\pm$~0.1&18.3~$\pm$~0.2&3.77~$\pm$~0.02\\
0740+380C&1.063&  5.55&  1.29&$O_2$&15.62~$\pm$~0.05&  23.02&99.9&35.5&Yes&0.60&40&17&2.3&16.8~$\pm$~0.3&16.1~$\pm$~0.2&4.08~$\pm$~0.08\\
0926+388 &1.630&  0.50&  1.09&$O_2$&17.09~$\pm$~0.08&   9.95&99.9&23.6&Yes&0.56&48&15&3.2&18.7~$\pm$~0.4&17.4~$\pm$~0.1&4.05~$\pm$~0.14\\
1123+395 &1.470&  0.36&  0.82&$O_2$&15.72~$\pm$~0.05&   5.45&99.1& 2.2&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
1148+387 &1.303&  1.83&  0.94&$O_2$&14.93~$\pm$~0.05&   3.85&97.9&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
1206+439B&1.400&  5.69&  0.85&$O_2$&15.10~$\pm$~0.05&   4.85&98.8&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
1315+396 &1.560&  1.16&  0.49&$O_2$&15.93~$\pm$~0.06&   4.85&98.8&28.3&Yes&0.49&61&13&4.8&17.3~$\pm$~0.3&16.3~$\pm$~0.1&3.20~$\pm$~0.11\\
1435+383 &1.600&  0.54&  0.85&$O_2$&16.32~$\pm$~0.06&   4.25&98.3&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
2311+469 &0.745&  4.34&  0.69&$O_1$&14.79~$\pm$~0.06&   1.01&92.2& 3.5&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
2332+388 &3.200&  0.42&  0.94&$O_1$&17.66~$\pm$~0.14&   0.68&91.0&12.5&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
2344+429 &1.556&  0.92&  0.58&$O_1$&16.30~$\pm$~0.07&   1.10&92.7&$<$1.0&No&$-$&$-$&$-$&$-$&$-$&$-$&$-$ \\
2349+410 &2.046&  1.38&  0.98&$O_1$&16.78~$\pm$~0.18&   3.18&97.5&13.8&Yes&0.48&61&13&4.8&19.1~$\pm$~0.4&17.1~$\pm$~0.2&3.35~$\pm$~0.02\\
2351+456 &2.000&  2.21&  0.27&$O_1$&16.03~$\pm$~0.16&   6.39&99.4&17.9&Yes&0.39&84&11&7.7&18.0~$\pm$~0.2&16.4~$\pm$~0.2&2.54~$\pm$~0.08\\
\hline
\end{tabular}
(1) Object name in the B3-VLA sample. (2) Object redshift (Vigotti et~al. 1997). 
(3) Radio flux in Jy at 408 MHz. (4) Radio spectral index, $\alpha_{\rm 408}^{\rm 1460}$, 
defined as $S_{1460}=S_{408}\nu^{-\alpha_{\rm 408}^{\rm 1460}}$. (5) Observing run: $W$, September 1996, WHT La Palma. 
$O_1$, October 1997, 3.5m Calar Alto. $O_2$, February 1999, 3.5~m Calar Alto. 
(6) $K$-band aperture photometry. (7) $\chi^2/\nu$ of the surface brightness fitting to 
the PSF model. (8) percentage probability of being extended, derived from the previous 
$\chi^2/\nu$. 
(9) Contribution of the possible extension to the total flux.
(10) Classification output (Yes~=~Extended, No~=~Not Extended). 
(11) Free parameter of the generalized model ($\alpha=1$ for disk galaxies, $\alpha=0.25$ for elliptical galaxies).
(12) percentage probability of being an elliptical galaxy. (13) percentage probability of being a disk galaxy.
(14) Ratio of both probabilities. (15) Host $K$-band magnitude. (16) Nucleus $K$-band magnitude.
(17) Effective radius of the Host in arcsec.
\end{table}