\begin{table}%t1
%\centering
\par
\caption{The 21 Type I AGN included in the present sample. 
The Galactic column density along the line-of-sight ($N_{\rm H}^{\rm Gal}$) is expressed  in units of 10$^{20}$~cm$^{-2}$. 
NLG: narrow line galaxy. RQQ: radio-quiet quasar. RLQ: radio-loud quasar. 
\label{tab:sample}}
\begin{tabular}{llllllllcl}
\hline
\hline
\noalign {\smallskip}                       
\multicolumn{1}{c} {Source}  &  \multicolumn{1}{c} {Other name}    &\multicolumn{2}{c} {Coordinates (J2000)} & \multicolumn{1}{c} {$z$} &  $N^{\rm Gal}_{\rm H}$ & \multicolumn{1}{c} {$M{\rm v}$}  &  \multicolumn{1}{c} {$R_{\rm L}$}   &  \multicolumn{1}{c} {{\it FWHM}(H${\beta}$)}  &\multicolumn{1}{c} {Type}\\
                          &                         & \multicolumn{1}{c} {RA} & \multicolumn{1}{c} {Dec }      &   &                              &                &                            & km~s$^{-1}$    \\
\hline
\noalign {\smallskip}  
\object{PG~0050+124}   &   \object{I~Zw1} & 00 53 35.08     & +12 41 34.4                 & 0.061 &   4.94     &  $-$23.77    &     $-$0.48         &  1240 & NLG       \\
%\noalign {\smallskip}                       
\object{PG~0804+761}   &                         &  08 10 58.66 & +76 02 42.5                  & 0.100  &   3.01        & $-$24.44      & $-$0.22  &3070  &RQQ \\
%\noalign {\smallskip}                       
\object{PG~0947+396}   &  \object{K347-45}          &  09 50 48.39  & +39 26 50.6                 & 0.206  & 1.55  & $-$24.21      & $-$0.60  &4830 &RQQ \\ 
%\noalign {\smallskip}                       
\object{PG~0953+414}   &  \object{K348-7}          & 09 56 52.41   &  +41 15 22.1               & 0.239      & 0.82   & $-$25.65     & $-$0.36  &  3130&RQQ \\ 
%\noalign {\smallskip}                       
\object{PG~1048+342}  &                          &  10 51 43.88  & +33 59 26.9                  & 0.167  &  1.94  & $-$24.02        &  $-$1.00   &  3600 &RQQ \\ 
%\noalign {\smallskip}                       
\object{PG~1114+445}   &                      &     11 17 06.40 & +44 13 33.2                   & 0.144 &  1.62  & $-$24.01       & $-$0.89    & 4570 &RQQ\\
%\noalign {\smallskip}                       
\object{PG~1115+407}  &                      &  11 18 30.30 &  +40 25 53.8 & 0.154  &1.91 &$-$23.74      & $-$0.77  & 1720  & NLG    \\ 
%\noalign {\smallskip}                       
\object{PG~1116+215}   &  \object{TON 1388} & 11 19 08.60 & +21 19 18.0 & 0.177 &1.29 & $-$25.57      & $-$0.14  & 2920  &RQQ    \\
%\noalign {\smallskip}                       
\object{PG~1202+281}   &   \object{GC Com}       &     12 04 42.11 &  +27 54 11.5 & 0.165& 1.70  &  $-$23.75  &  $-$0.72    &5050&RQQ \\
%\noalign {\smallskip}                       
\object{PG~1244+026}   &                      &     12 46 35.29   & +02 22 08.3   & 0.048 &1.78  & $-$21.77& $-$0.28 & 830  &NLG \\ 
%\noalign {\smallskip}                       
\object{PG~1307+085}   &                      &    13 09 47.03  & +08 19 49.3  &0.155 & 2.10  & $-$24.56      & $-$1.00  & 2360 &RQQ \\ 
%\noalign {\smallskip}                       
\object{PG~1309+355}   &  \object{TON 1565}   &    13 12 17.74   & +35 15 21.3  & 0.184 &1.02 & $-$24.76     & $+$1.26  & 2940  &RLQ \\ 
%\noalign {\smallskip}                       
\object{PG~1322+659}   &                                &   13 23 49.54  &  +65 41 48.0 & 0.168 &2.00 & $-$24.23     & $-$0.92  & 2790  &RQQ\\ 
%\noalign {\smallskip}                       
\object{PG~1352+183}      & \object{PB 4142}   & 13 54  35.93 & +18 05 18.1  & 0.152 &  2.05         & $-$24.13    & $-$0.96  & 3600 &RQQ\\
%\noalign {\smallskip}                       
\object{PG~1402+261}  &      \object{TON 182}   &   14 05 16.21  & +25 55 34.1  & 0.164 &1.47  &  $-$24.48   &  $-$0.64  & 1910 & NLG\\ 
%\noalign {\smallskip}                       
\object{PG~1426+015}    & \object{Mrk 1383}    &  14 29 06.59 &  +01 17 06.5 & 0.086       & 2.85  &  $-$24.05  & $-$0.55  & 6820 &RQQ\\
%\noalign {\smallskip}                       
\object{PG~1427+480}   &                      & 14 29 43.08   &+47 47 26.3 &  0.221  &  1.86   &  $-$24.04  & $-$0.80 &  2540  &RQQ \\ 
%\noalign {\smallskip}     
\object{PG~1440+356}   &  \object{Mrk 478}      & 14 42 07.46     & +35 26 22.9     & 0.077   &  1.04 & $-$23.49  &  $-$0.43   & 1450  &NLG        \\
%\noalign {\smallskip}     
\object{PG~1512+370}    &  \object{4C 37.43}     &15 14 43.06  &+36 50 50.5 &  0.371  & 1.35 & $-$25.93      & $+$2.28 & 6810 &RLQ\\
%\noalign {\smallskip}                       
\object{PG~1613+658}   &  \object{Mrk 876}      & 16 13 57.18 & +65 43 09.6 & 0.129   & 2.85 & $-$24.22     & $+$0.00    & 8450  &RQQ  \\
%\noalign {\smallskip}                       
\object{PG~1626+554}  &                      &  16 27 56.09  & +55 22 31.7 & 0.132 &2.02 & $-$23.54    & $-$0.96  & 4490 &RQQ   \\ 
\hline
\end{tabular}
\end{table}