\begin{table}%t1
\caption{\label{tab:sample}The sample.}
%\centerline
{
\begin{tabular}{l c c c c c}
\hline \hline  
{ PG name}  &  { Other name}  &  { RA}  &  { Dec}  &  $z$  &  $N^{\rm Gal}_{\rm H}$  \\
  &   &  (J2000)  &  (J2000)  &   &  (10$^{20}~{\rm cm^{-2}}$)\\
\hline 
0007$+$106$^\star$ & III~Zw~2     &  00 10 31.0   & $+$10 58 30    & 0.089   & 6.09$^a$\\
0050$+$124 &  I~Zw~1  &  00 53 34.9  & $+$12 41 36  &  0.061  &  4.99$^a$ \\ 
0157$+$001 &  MKN~1014  &  01 59 50.2  &  $+$00 23 41   &  0.163 & 2.46$^b$\\
0804$+$761 & 1H 0758$+$762 &  08 10 58.6   & $+$76 02 42 & 0.100   & 3.26$^c$ \\
0844$+$349 &   TON~914         &  08 47 42.4  & $+$34 45 04  &  0.064  &  3.32$^c$  \\
0947$+$396$^L$ &            &  09 50 48.4  & $+$39 26 50  &  0.206  &  1.92$^b$ \\
0953$+$414$^L$ &            &  09 56 52.1   & $+$41 15 34    & 0.239   & 1.12$^c$\\
1001$+$054$^L$ &            &  10 04 20.1   & $+$05 13 00    & 0.161   & 1.88$^a$\\
1048$+$342$^L$ &            &  10 51 43.8   & $+$33 59 26    & 0.167   & 1.75$^b$\\
1100$+$772$^\star$ & 3C 249.1   &  11 04 13.7   & $+$76 58 58    & 0.312   & 3.17$^e$\\
1114$+$445$^L$ &            &  11 17 06.4   & $+$44 13 33    & 0.144   & 1.93$^b$\\
1115$+$080 &            &  11 18 16.0   & $+$07 45 59    &  1.718  &  3.62$^b$  \\
1115$+$407$^L$ &            &  11 18 30.2   & $+$40 25 53    & 0.154   & 1.74$^b$\\
1116$+$215$^L$ &  TON~1388  & 11 19 08.6   & $+$21 19 18    &  0.177  &  1.44$^a$ \\
1202$+$281$^L$ &            &  12 04 42.1   & $+$27 54 11    &  0.165  &  1.72$^d$ \\ 
1206$+$459 &            &  12 08 58.0   & $+$45 40 35    & 1.158   & 1.31$^d$\\
1211$+$143 &            &  12 14 17.7   & $+$14 03 13    &  0.081  &  2.76$^c$ \\
1216$+$069$^L$ &            &  12 19 20.9   & $+$06 38 38    & 0.334   & 1.57$^c$\\
1226$+$023$^{L\star}$ & 3C~273      &  12 29 06.7   & $+$02 03 08    & 0.158   & 1.89$^d$\\ 
1244$+$026 &            &  12 46 35.3   & $+$02 22 09    &  0.048  &  1.93$^a$\\
1307$+$085 &            &  13 09 47.0   & $+$08 19 48  &  0.155  &  2.11$^d$ \\
1309$+$355$^{L\star}$ &  TON~1565  &  13 12 17.8   & $+$35 15 21    & 0.184   & 1.00$^b$\\
1322$+$659$^L$ &            &  13 23 49.5   & $+$65 41 48    & 0.168   & 1.89$^b$\\
1352$+$183$^L$ &            &  13 54 35.6   & $+$18 05 17  &  0.158  &  1.84$^a$\\
1402$+$261$^L$ &            &  14 05 16.2   & $+$25 55 35   &  0.164  &  1.42$^a$\\
1404$+$226 &            &  14 06 21.8   & $+$22 23 35    & 0.095   & 3.22$^a$  \\
1407$+$265 &            &  14 07 07.8   & $+$26 32 30    & 0.940   & 1.38$^a$\\
1411$+$442$^L$ &            &  14 13 48.3   & $+$44 00 14    & 0.0896  & 1.05$^c$\\
1415$+$451$^L$ &            &  14 17 01.24  & $+$44 56 16  & 0.114  &  1.10$^e$ \\
1427$+$480$^L$ &            & 14 29 43.0 & $+$47 47 26 &  0.221  &  1.69$^b$\\
1440$+$356$^L$ &  MKN~478   &  14 42 07.4  & $+$35 26 23  &  0.079  &  0.97$^b$ \\
1444$+$407$^L$ &            &  14 46 45.9  & $+$40 35 05 &  0.267  &  1.27$^e$ \\
1501$+$106 &  MKN~841  &  15 04 01.2  & $+$10 26 16  &  0.036  &  2.19$^b$\\
1512$+$370$^{L\star}$ & 4C $+$37.43 & 15 14 43.0  & $+$36 50 50    & 0.371   & 1.36$^e$\\
1613$+$658 & MKN 876    &  16 13 57.2  & $+$65 43 09    & 0.129   & 2.66$^a$ \\
1626$+$554$^L$ &            &  16 27 56.0  & $+$55 22 31    & 0.133   & 1.55$^b$\\
1630$+$377 &            &  16 32 01.2  & $+$37 37 49    & 1.466   & 0.90$^a$\\
1634$+$706 &            &  16 34 31.4  & $+$70 31 34  &  1.334  &  5.74$^a$ \\
2214$+$139 & MKN 304    &  22 17 11.5  & $+$14 14 28    & 0.066   & 4.96$^d$\\
2302$+$029 &            &  23 04 45.0  & $+$03 11 46 &  1.044  &  5.27$^d$  \\
\hline
\end{tabular}}
\smallskip
$^\star$ Radio-loud objects. $^L$ Objects included in Laor et~al. (\cite{Laor1997}).
References for $N_{\rm H}$~values: $^a$ Elvis et~al. (\cite{Elvis1989});  $^b$ Murphy et~al. (\cite{Murphy1996}); $^c$ Lockman \& Savage (\cite{Lockman1995}); $^d$ Dickney \& Lockman
(1990); $^e$ Stark et~al. (\cite{Stark1992}).
\end{table}