\begin{table}%t5
\caption{\label{tab_known-N}Previously Known Type 2~AGN, HDF-N.}
%\centerline
{
\begin{tabular}{rrcc}
\hline\hline
A03 & redshift & $\log L_{\rm x}(2{-}8~{\rm keV})$ &
Notes$^a$\\
  &   &~erg/s &   \\
\hline
 72 & 0.936 &  42.73 &    m \\
 76 & 0.637 &  42.71 &    m\\
 82 & 0.681 &  42.52 & \\
 83 & 0.459 &  42.41 & \\
 90 & 1.140 &  43.33 &\\
106 & 1.017 &  42.31 &\\
121 & 0.520 &  42.27 &\\
122 & 1.338 &  42.90 &    s\\
127 & 1.014 &  43.27 &    m\\
142 & 0.747 &  42.47 &\\
150 & 0.762 &  42.82 &\\
157 & 1.264 &  43.89 &\\
158 & 1.013 &  43.02 &\\
160 & 0.847 &  42.90 &    m\\
163 & 0.485 &  42.72 &\\
164 & 0.953 &  42.92 &\\
170 & 0.680 &  42.44 &\\
171 & 1.995 &  43.63 &    m\\
187 & 0.847 &  42.27 &\\
190 & 2.005 &  43.76 &\\
191 & 0.560 &  42.79 &    m\\
201 & 1.020 &  42.74 &    m\\
217 & 0.518 &  42.15 &\\
229 & 1.487 &  42.23 &    s\\
240 & 0.961 &  43.95 &\\
259 & 1.609 &  44.48 &    m\\
261 & 0.902 &  42.15 &\\
267 & 0.401 &  42.15 &\\
278 & 1.023 &  42.92 &\\
330 & 3.406 &  43.43 &\\
352 & 0.936 &  42.47 &\\
373 & 0.475 &  42.25 &\\
384 & 1.019 &  43.45 &\\
390 & 1.146 &  44.04 &    s\\
398 & 2.638 &  44.05 &    s\\
405 & 0.978 &  42.96 &\\
409 & 2.240 &  43.61 &\\
413 & 0.474 &  42.60 &\\
439 & 0.636 &  42.36 &\\
441 & 0.634 &  42.24 &\\
442 & 0.852 &  42.33 &\\
448 & 1.238 &  43.32 &\\
462 & 0.511 &  42.03 &\\
468 & 0.911 &  42.39 &\\
\hline
\end{tabular}}
\smallskip
$^a$ From Barger et~al. (\cite{Barger03}): s,
less secure redshift identification based primarily on a single emission line
and the continuum shape; m, complex or multiple structure or possible
contamination of the photometry by a nearby brighter object.
\end{table}