\begin{table}%t3
\caption{\label{LinesTable}Line Identifications in the GRB 021004 OA spectra.}
%\centering
\par

\begin{tabular}{lccc}
  \hline\hline 
$\lambda_{\rm vacuum}$(observed) (\rm \AA)     & Line ID     & 
$EW$ (\rm \AA)\tablefootmark{a}       & $z$ \\
\hline
   4008       &     H I Ly$\alpha$ 1215.670  &             &  2.2967\\
   4015       &     Si III 1206.499          &             &  2.3275\\
   4016       &     Si III 1206.499          &             &  2.3289\\
   4028       &     C IV   1548.203          &             &  1.6024\\
   4038       &     H I Ly$\alpha$ 1215.670  &             &  2.3216\\
   4041       &     H I Ly$\alpha$ 1215.670  &             &  2.3243\\
   4045       &     H I Ly$\alpha$ 1215.670  &             &  2.3275\\
   4047       &     H I Ly$\alpha$ 1215.670  &             &  2.3289\\
   4049\tablefootmark{b} &  H I Ly$\alpha$ 1215.670  &             &  2.3304\\
   4084.0     &     N V    1238.821    &  0.46 $\pm$ 0.16  &  2.2967\\
   4097.2     &     N V    1242.804    &  0.35 $\pm$ 0.15  &  2.2967\\
   4123.9     &     N V    1238.821    &  0.90 $\pm$ 0.14  &  2.3289\\
   4137.2     &     N V    1242.804    &  0.66 $\pm$ 0.12  &  2.3289\\
   4158.5     &     Si II  1260.422    &  0.25 $\pm$ 0.10  &  2.2993\\
   4195.8     &     Si II  1260.422    &  0.71 $\pm$ 0.19  &  2.3289\\
   4210.2     &     Si II  1264.738    &  0.51 $\pm$ 0.16  &  2.3289\\
   4347.4     &     Al II  1670.787    &  0.49 $\pm$ 0.17  &  1.6020\\
   4399.6     &     C II   1334.530    &  0.38 $\pm$ 0.15  &  2.2968\\
   4403.0     &     C II   1334.530    &  0.79 $\pm$ 0.14  &  2.2994\\
   4639.7     &     Si IV  1393.754    &  1.39 $\pm$ 0.83  &  2.3289\\
   4669.7     &     Si IV  1402.770    &  1.29 $\pm$ 0.46  &  2.3289\\
   5104.0     &     C IV   1548.203    &  1.77 $\pm$ 0.12  &  2.2967\\
   5107.8     &     C IV   1548.203    &  0.16 $\pm$ 0.03  &  2.2992\\
   5108.5     &     C IV   1548.203    &  0.84 $\pm$ 0.10  &  2.2998\\
   5112.5     &     C IV   1550.777    &  1.15 $\pm$ 0.09  &  2.2967\\
   5116.2     &     C IV   1550.777    &  0.06 $\pm$ 0.04  &  2.2992\\
   5117.0     &     C IV   1550.777    &  0.67 $\pm$ 0.08  &  2.2998\\
   5138.3     &     C IV   1548.203    &                   &  2.3189\\
   5140.0     &     C IV   1548.203    &                   &  2.3200\\
   5143.1     &     C IV   1548.203    &                   &  2.3220\\
   5146.7     &     C IV   1550.777    &                   &  2.3188\\
   5146.7     &     C IV   1548.203    &                   &  2.3243\\
   5148.5     &     C IV   1550.777    &                   &  2.3200\\
   5148.5     &     C IV   1548.203    &                   &  2.3255\\
   5151.7     &     C IV   1550.777    &                   &  2.3220\\
   5152.9     &     C IV   1548.203    &                   & 2.3275+2.3289  \\
   5155.2     &     C IV   1550.777    &                   &  2.3243\\
   5157.6     &     C IV   1550.777    &                   &  2.3255\\
   5161.5     &     C IV   1550.777    &                   & 2.3275+2.3289  \\
   5235.4     &     Si I   1572.718    & 0.80 $\pm$ 0.10   &  2.3289\\
   5559.5     &     Al II  1670.787    & 0.23 $\pm$ 0.07   &  2.3275\\
   5561.9     &     Al II  1670.787    & 1.73 $\pm$ 0.12   &  2.3289\\
   5578.0     &     Fe II  2344.214    & 1.01 $\pm$ 0.15   &  1.3796      \\
   5651.2     &     Fe II  2374.461    & 0.52 $\pm$ 0.06   &  1.3800      \\
   5652.4     &     Fe II  2374.461    & 0.16 $\pm$ 0.05   &  1.3805      \\
   5652.9     &     Fe II  2374.461    & 0.13 $\pm$ 0.02   &  1.3807      \\
   5671.2     &     Fe II  2382.765    & 0.86 $\pm$ 0.07   &  1.3801      \\
   5671.9     &     Fe II  2382.765    & 0.41 $\pm$ 0.06   &  1.3804      \\
   5672.6     &     Fe II  2382.765    & 0.37 $\pm$ 0.06   &  1.3807      \\
   6099.6     &     Fe II  2344.214    & 0.59 $\pm$ 0.04   &  1.6020      \\
   6101.7     &     Fe II  2344.214    & 0.28 $\pm$ 0.04   &  1.6029      \\
   6154.5     &     Fe II  2586.650    & 0.67 $\pm$ 0.08   &  1.3794      \\
   6155.0     &     Fe II  2586.650    & 0.50 $\pm$ 0.09   &  1.3798      \\
              &     Fe II  2365.552    & 0.50 $\pm$ 0.09   &  1.6020      \\
   6174.2     &     Al III 1854.716    & 1.15 $\pm$ 0.09   &  2.3289      \\
   6178.0     &     Fe II  2374.461    & 0.52 $\pm$ 0.08   &  1.6020      \\
   6187.0     &     Fe II  2600.173    & 0.67 $\pm$ 0.10   &  1.3794      \\
   6187.5     &     Fe II  2600.173    & 0.44 $\pm$ 0.08   &  1.3798      \\
   6188.0     &     Fe II  2599.147    & 0.50 $\pm$ 0.09   &  1.3808      \\
   6201.0     &     Al III 1862.790    & 0.73 $\pm$ 0.12   &  2.3289      \\
   6202.0     &     Fe II  2382.765    & 0.94 $\pm$ 0.16   &  1.6028      \\
   6654.0     &     Mg II  2796.352    & 1.95 $\pm$ 0.11*  &  1.3796      \\
   6655.5     &     Mg II  2796.352    & 1.95 $\pm$ 0.11*  &  1.3802      \\
   6657.0     &     Mg II  2796.352    & 0.71 $\pm$ 0.08   &  1.3808      \\
   6671.0     &     Mg II  2803.531    & 1.89 $\pm$ 0.41*  &  1.3796      \\
   6673.0     &     Mg II  2803.531    & 1.89 $\pm$ 0.41*  &  1.3802      \\
   6729.0     &     Fe II  2586.650    & 0.25 $\pm$ 0.07   &  1.6016      \\
   6730.2     &     Fe II  2586.650    & 0.60 $\pm$ 0.07   &  1.6020      \\
   6732.5     &     Fe II  2586.650    & 0.18 $\pm$ 0.06   &  1.6029      \\
   6764.0     &     Fe II  2600.173    & 0.56 $\pm$ 0.10   &  1.6015      \\
   6765.5     &     Fe II  2600.173    & 0.71 $\pm$ 0.09*  &  1.6020      \\
              &     Fe II  2599.147    & 0.71 $\pm$ 0.09*  &  1.6030      \\
   6768.0     &     Fe II  2600.173    & 0.46 $\pm$ 0.09   &  1.6029      \\
   6788.0     &     Fe II  2607.866    & 0.14 $\pm$ 0.05   &  1.6030      \\
       \hline 

     7274.2     &     Mg II  2796.352    & 1.11 $\pm$ 0.10   &  1.6015      \\
   7275.5     &     Mg II  2796.352    & 0.83 $\pm$ 0.08   &  1.6020      \\
   7277.0     &     Mg II  2796.352    & 0.44 $\pm$ 0.07   &  1.6025      \\
   7278.5     &     Mg II  2796.352    & 0.83 $\pm$ 0.08   &  1.6029      \\
   7293.0     &     Mg II  2803.531    & 0.89 $\pm$ 0.09   &  1.6015      \\
   7294.5     &     Mg II  2803.531    & 0.98 $\pm$ 0.09   &  1.6020      \\
   7296.0     &     Mg II  2803.531    & 0.24 $\pm$ 0.06   &  1.6025      \\
   7297.0     &     Mg II  2803.531    & 1.00 $\pm$ 0.10   &  1.6029      \\
   7803.7     &     Fe II  2344.214    & 0.71 $\pm$ 0.28   &  2.3289      \\
   7931.8     &     Fe II  2382.765    & 0.46 $\pm$ 0.21   &  2.3288      \\
  16520\tablefootmark{c}  &     [O III] 4960.295   & -(16 $\pm$  7)    &  2.3304      \\
  16679\tablefootmark{d} &     [O III] 5008.240   & -(21 $\pm$  6)    &  2.3304      \\
  21863\tablefootmark{e} &     H I    6564.610    & -(37 $\pm$ 10)    &  2.3304      \\
\hline 
\end{tabular}
\tablefoot{\tablefoottext{a}{Gaussian profile fitting (for non saturated 
lines only). Star symbols refer to complex systems.}
\tablefoottext{b}{Emission line. Partially absorbed, Ly$\alpha$ flux =
(1.5 $\pm$ 0.2) $\times$ 10$^{-16}$~erg~cm$^{-2}$ s$^{-1}$.} 
\tablefoottext{c}{Emission line [O~III] flux = $(4 \pm 3) \times 10^{-17}$~erg~cm$^{-2}$~s$^{-1}$.}
\tablefoottext{d}{Emission line [O~III] flux = $(12 \pm 3) \times 10^{-17}$~erg~cm$^{-2}$~s$^{-1}$.}
\tablefoottext{e}{Emission line   H$\alpha$ flux = $(11 \pm 2) \times 10^{-17}$~erg~cm$^{-2}$~s$^{-1}$.}}
\end{table}