\begin{table}%t1
\caption{FIRST coordinates, flux densities and spectral indices of the
sources in Subsample~Two.}\label{t_radio}
%\centerline
{
\begin{tabular}{l|cc|ccc|rr|c}
\hline \hline
& RA & Dec & $F_{365~{\rm MHz}}$& $F_{1.4~{\rm GHz}}$&
$F_{4.85~{\rm GHz}}$& $\alpha_{365~{\rm MHz}}^{1.4~{\rm GHz}}$&
$\alpha_{1.4~{\rm GHz}}^{4.85~{\rm GHz}}$&
$F_{1.655~{\rm GHz}}$\\
\multicolumn{1}{c|} {Source name} &
\multicolumn{2}{c|} {(J2000)} &
\multicolumn{3}{c|} {[Jy]} & & &
\multicolumn{1}{c} {[Jy]} \\
\multicolumn{1}{c|} {(1)} & (2) & (3) & {(4)} & {(5)} & {(6)} &
\multicolumn{1}{c} {(7)} &
\multicolumn{1}{c|} {(8)} & {(9)}\\
\hline
0744+291$^\ast$ & 07 48 05.332 & 29 03 22.54 & 1.25 & 0.48 & 0.17 & $-$0.71 & $-$0.83 &  0.41\\
0747+314 &        07 50 12.318 & 31 19 47.52 & 2.62 & 1.05 & 0.35 & $-$0.68 & $-$0.89 &  0.90\\
0811+360 &        08 14 49.068 & 35 53 49.70 & 1.71 & 0.58 & 0.17 & $-$0.80 & $-$0.99 &  0.49\\
0853+291 &        08 56 01.169 & 28 58 35.06 & 2.28 & 0.63 & 0.19 & $-$0.95 & $-$0.97 &  0.54\\
0902+416 &        09 05 22.197 & 41 28 39.65 & 1.10 & 0.48 & 0.17 & $-$0.61 & $-$0.86 &  0.42\\
0922+322$^\ast$ & 09 25 32.727 & 31 59 52.87 & 1.80 & 0.53 & 0.20 & $-$0.91 & $-$0.79 &  0.47\\
1123+340 &        11 26 23.674 & 33 45 26.64 & 3.80 & 1.32 & 0.38 & $-$0.79 & $-$1.01 &  1.11\\
1232+295 &        12 34 54.387 & 29 17 43.79 & 1.10 & 0.46 & 0.16 & $-$0.65 & $-$0.84 &  0.40\\
1242+364 &        12 44 49.679 & 36 09 25.53 & 2.75 & 0.78 & 0.21 & $-$0.94 & $-$1.07 &  0.65\\
1251+308 &        12 53 25.750 & 30 36 35.03 & 1.03 & 0.45 & 0.20 & $-$0.61 & $-$0.66 &  0.41\\
1343+386 &        13 45 36.948 & 38 23 12.62 & 1.81 & 0.85 & 0.44 & $-$0.56 & $-$0.53 &  0.78\\
1401+353$^\ast$ & 14 03 19.238 & 35 08 11.88 & 2.27 & 0.63 & 0.18 & $-$0.96 & $-$1.01 &  0.53\\
1441+409 &        14 42 59.307 & 40 44 28.79 & 1.51 & 0.97 & 0.30 & $-$0.33 & $-$0.94 &  0.83\\
1601+382$^\ast$ & 16 03 35.150 & 38 06 42.93 & 0.99 & 0.43 & 0.20 & $-$0.62 & $-$0.61 &  0.39\\
1619+378 &        16 21 11.290 & 37 46 04.94 & 1.62 & 0.64 & 0.20 & $-$0.69 & $-$0.94 &  0.55\\
1632+391 &        16 34 02.910 & 39 00 00.18 & 1.98 & 0.93 & 0.37 & $-$0.56 & $-$0.74 &  0.82\\
1656+391 &        16 58 22.172 & 39 06 25.55 & 1.34 & 0.65 & 0.24 & $-$0.53 & $-$0.80 &  0.57\\
1709+303 &        17 11 19.939 & 30 19 17.67 & 1.83 & 1.03 & 0.37 & $-$0.43 & $-$0.83 &  0.90\\
1717+315 &        17 19 30.062 & 31 28 48.12 & 1.06 & 0.45 & 0.15 & $-$0.63 & $-$0.87 &  0.39\\
\hline
\end{tabular}}
\medskip
$^\ast$ Sources with names marked with an asterisk were not followed-up using VLBI. \\
Description of the columns:
Col.~(1): source name in the IAU format;
Col.~(2): source right ascension (J2000) extracted from FIRST;
Col.~(3): source declination (J2000) extracted from FIRST;
Col.~(4): total flux density at 365~MHz extracted from Texas
Catalogue;
Col.~(5): total flux density at 1.4~GHz extracted from FIRST;
Col.~(6): total flux density at 4.85~GHz extracted from GB6;
Col.~(7): spectral index ($S\propto\nu^{\alpha}$) between
365 and 1400~MHz calculated using flux densities in Cols.~(4) and~(5);
Col.~(8): spectral index between
1.4 and 4.85~GHz calculated using flux densities in Cols.~(5) and~(6);
Col.~(9): estimated total flux density at 1.655~GHz interpolated
from data in Cols.~(5) and~(6).
\end{table}