\begin{table}%t6
\caption{Laboratory wavelength, formal {\it EW} and outflow velocity for the X-ray absorption lines.
The {\it EW} and the column densities predicted by models~M1 and~M2 assume different covering factors for the absorbing gas and are discussed in the text. }\label{tab:lines}
\small%\centerline
{
\begin{tabular}{llllllllll}
\hline
\hline
Ion & Transition & $\lambda$ & {\it EW}     	& $v_{\rm out}$ & {\it EW}        &	  Log $N_{\rm ion}$   & {\it EW}   &	  Log $N_{\rm ion}$   & Notes\\ 			    &            & (\AA)     & (m\AA) 	& km s$^{-1}$ & (m\AA)    &	  ${\rm cm}^{-2}$   & (m\AA) & 	  ${\rm cm}^{-2}$&\\				    &            &           & Obs.   	& Obs. & M 1       &	  M 1	   & M 2 &	  M 2   &	   \\				\hline						\ion{C}{iv}    &                         & 41.42     &  6 $\pm$ 17 &		    & 8  &   15.13 $\pm$ 1.14	   &  8    &	 15.16 $\pm$ 1.11     		 & 1 \\  
               &                         & 40.94     &  43 $\pm$ 29 	 &		    & 1 &		   &  1    &		   	   		& 1					       \\   
\ion{C}{v}     & 1s$^2$--1s2p $^1$P$_1$ & 40.268    & 29 $\pm$ 20 & --380 $\pm$ $70$	    & 40 &	    16.92 $\pm$ 0.34 & 48    &	 16.88 $\pm$ 0.31     			  & 1 \\ 
               & 1s$^2$--1s3p $^1$P$_1$ & 34.973    &  25 $\pm$ 8&			  &  27 &		   & 27    &					& 2					       \\ 
               & 1s$^2$--1s4p $^1$P$_1$ & 33.426    &  14 $\pm$ 7 &			  &  18 &		   & 19    &					&				 \\	 
               & 1s$^2$--1s5p $^1$P$_1$ & 32.754    &  21 $\pm$ 7 &			  &  12 &		   & 13    &					&				 \\	 
               & 1s$^2$--1s6p $^1$P$_1$ & 32.400    &   7 $\pm$ 7 &			  &   8 &		   &  9    &					&				 \\	   
\ion{C}{vi}    & 1s--2p (Ly$\alpha$)    & 33.736    & 36 $\pm$ 8  & --390 $\pm$ 140    & 33   &	    17.1 $\pm$ 0.35  & 37    &	 17.02 $\pm$ 0.30     			  & 2 \\ 
               & 1s--3p (Ly$\beta$)     & 28.466    &   12 $\pm$ 6	&		   & 19 &		   & 20    &					&				 \\	 
               & 1s--4p (Ly$\gamma$)    & 26.990    &   20 $\pm$ 6	&		   & 11 &		   & 13    &					&				 \\	 
               & 1s--5p (Ly$\delta$)    & 26.357    &    7 $\pm$ 6	&		   &  7 &		   &  8    &					&				 \\	 
               & 1s--6p (Ly$\epsilon$)  & 26.026    &   -4 $\pm$ 11	&		   &  4 &		   &  5    &					&				 \\	   
\ion{N}{v}     &                         & 29.42     &  4 $\pm$ 8  &		    &  4  &	    $<$15.9	   &  4    &	 $<$15.9   	    		  &   \\   
\ion{N}{vi}    & 1s$^2$--1s2p $^1$P$_1$ & 28.787    & 28 $\pm$ 6  & --320 $\pm$ 180    & 22   &	    16.30 $\pm$ 0.36 & 23    &	 16.34 $\pm$ 0.34     			  &   \\ 
               & 1s$^2$--1s3p $^1$P$_1$ & 24.900    &   13 $\pm$ 6      &		  &  10 &		   & 10    &					&				 \\	 
               & 1s$^2$--1s4p $^1$P$_1$ & 23.771    &   -8 $\pm$ 6      &		  &   5 &		   &  5    &					&				 \\	   
\ion{N}{vii}   & 1s--2p (Ly$\alpha$)    & 24.781    & 15 $\pm$ 6  & --320 $\pm$ 130    & 14  &	    16.16 $\pm$ 0.63 & 14    &	 16.18 $\pm$ 0.57     			  &   \\   
               & 1s--3p (Ly$\beta$)     & 20.910    &  	 &		    &	      & 		   &	   &		            		& 3 \\   
               & 1s--4p (Ly$\gamma$)    & 19.826    & -2 $\pm$ 6  &		    &  1  &			   &  1    &		            		&   \\   
\ion{O}{i}     & 1s--2p                 & 23.52     &  4 $\pm$ 6  &		    &  4  &	    $<$16.5	   &  4    &	 $<$16.6   	    		  &   \\   
\ion{O}{ii}    & 1s--2p                 & 23.30     & -1 $\pm$ 6  &		    &  0  &  $<$16		   &  0    &	 $<$16              		&   \\   
\ion{O}{iii}   & 1s--2p                 & 23.11     &  4 $\pm$ 6  &		    &  4  &  $<$16.5		   &  4    &	 $<$16.5            		  &   \\   
\ion{O}{iv}    & 1s--2p                 & 22.69     & 15 $\pm$ 7  &		    & 15   &	    16.51 $\pm$ 0.77 & 15    &	 16.53 $\pm$ 0.68     			  & 4 \\   
\ion{O}{v}     & 1s--2p                 & 22.374    & 18 $\pm$ 6  &		    & 13   &	    16.10 $\pm$ 0.51 & 13    &	 16.14 $\pm$ 0.50     			  &  \\   
               & 1s--3p                 & 19.92     & -9 $\pm$ 7  &		    &  4   &			   &  4    &		            	  &   \\   
               & 1s--4p                 & 19.33     &  6 $\pm$ 6  &		    &  2  &			   &  2    &		            	  &   \\   
\ion{O}{vi}    & 1s$^2$2s--1s2s($^1$S)2p& 22.01     & 19 $\pm$ 8  &$+$28 $\pm$ 120	    & 19   &	    16.72 $\pm$ 0.45 & 20    &	 16.72 $\pm$ 0.43     			  &  \\   
               & 1s$^2$2s--1s2s($^3$S)2p& 21.79     &  2 $\pm$ 7  & 		    &  9    &			   &  8    &		            	  &  \\   
               & 1s$^2$2s--1s2s($^3$S)3p& 19.34     & 16 $\pm$ 6  &		    &  9   &			   &  9    &		            	  &   \\   
\ion{O}{vii}   & 1s$^2$--1s2p $^1$P$_1$ & 21.602    & 28 $\pm$ 7  & --120 $\pm$ 80	    & 21   & 17.0 $\pm$ 0.4	   & 25    &	 17.07 $\pm$ 0.35     		  &  \\   
               & 1s$^2$--1s3p $^1$P$_1$ & 18.629    & 17 $\pm$ 5  &		    & 13  &			   & 14    &		            	  &   \\   
               & 1s$^2$--1s4p $^1$P$_1$ & 17.768    & 10 $\pm$ 5  &		    &  9  &			   &  9    &		            	  & \\   
               & 1s$^2$--1s5p $^1$P$_1$ & 17.396    & -1 $\pm$ 5  &		    &  6   &			   &  6    &		            	  &   \\   
\ion{O}{viii}  & 1s--2p (Ly$\alpha$)    & 18.969    & 17 $\pm$ 5  & --440 $\pm$ 170    & 13   & 16.45 $\pm$ 0.48	   & 13    &	 16.50 $\pm$ 0.47     		      &   \\   
               & 1s--3p (Ly$\beta$)     & 16.006    &  1 $\pm$ 5  &		    &  4   &			   &  4    &		              &   \\   
               & 1s--4p (Ly$\gamma$)    & 15.176    & -4 $\pm$ 5  &		    &  2   &			   &  2    &		              &   \\   
\ion{Ne}{vi}   & 1s--2p                 & 14.02     &  3 $\pm$ 5  &		 &  3	& $<$16.7		 &  3	&     $<$16.7	 	        	  &   \\   
\ion{Ne}{vii}  & 1s--2p                 & 13.81     &  7 $\pm$ 5  &		 &  7	& $<$16.8		 &  7	&     $<$16.8	                	  &   \\   
\ion{Ne}{viii} & 1s$^2$2s--1s2s($^1$S)2p& 13.65     &  7 $\pm$ 5  &		 &  6	& 16.1 $\pm$ 0.9  	 &  6	&     16.1 $\pm$ 0.87	        	  &   \\   
               & 2s--4p                 & 67.382    & 21 $\pm$ 25 &		 & 25	&			 & 25	&			          &   \\   
\ion{Ne}{ix}   & 1s$^2$--1s2p $^1$P$_1$ & 13.447    & 10 $\pm$ 4  &--270 $\pm$ 500	 &  8	& 16.23 $\pm$ 0.65	 &  8	&     16.27 $\pm$ 0.61	        	  &   \\   
               & 1s$^2$--1s3p $^1$P$_1$ & 11.547    & -2 $\pm$ 5  &		 &  2	&			 &  2	&		                  &   \\   
\ion{Ne}{x}    & 1s--2p (Ly$\alpha$)    & 12.134    & -2 $\pm$ 5  &		 &  0	& $<$16.23		 &  0	&     $<$16.25  	        	  &   \\   
\ion{Mg}{x}    & 2s--3p $^2$P$_{1/2}$   & 57.920    & 11 $\pm$ 13 &		 & 14	& 15.75 $\pm$ 0.49	 & 14	&     15.76 $\pm$ 0.48	        	  &   \\   
               & 2s--3p $^2$P$_{3/2}$   & 57.876    & 24 $\pm$ 12 &		 & 22	&			 & 22	&		      	          &   \\   
\ion{Si}{viii} & 2p--3d $^4$P$_{5/2}$   & 61.070    & 18 $\pm$ 12 &		 & 18	& $<$15.6		 & 18	&     $<$15.6	                	  & 5 \\   
\ion{Si}{ix}   & 2p--3d $^3$D$_1$       & 55.305    & 25 $\pm$ 10 &--600 $\pm$ 300	 & 33	&	 15.23 $\pm$ 0.52  & 30	&     15.26 $\pm$ 0.48	        		  &  \\   
\ion{Si}{x}    & 2p--3d                 & 50.524    & -1 $\pm$ 12 &		 &  0	&	 $<$15.0	 &  0	&     $<$15.1	                	  &   \\   
               & 2s--3p $^2$D$_{3/2}$   & 47.489    & -3 $\pm$ 7  &		 &  0	&			 &  0	&		                  &   \\   
\ion{Si}{xi}   & 2s--3p $^1$P$_1$       & 43.762    &  5 $\pm$ 6  &		 &  5	&	 $<$15.4	 &  5	&     $<$15.4	                	  &   \\   
\ion{Si}{xii}  & 2s--3p $^2$P$_{1/2}$   & 40.911    & 16 $\pm$ 23 &		 & 16	&	 $<$16.51	 & 16	&     $<$16.53  	        	  & 1 \\   
               & 2s--4p $^2$P$_{1/2}$   & 31.015    &  5 $\pm$ 7  &		 &  5	&			 &  5	&		      	          &   \\
\hline
\end{tabular}}
\medskip
1 In instrumental \ion{C}{i} edge;
2 Slightly broadened;
3 Blended with the Galactic \ion{O}{vii}~resonance line;
4~Wavelength uncertain;
5~fit included other triplet lines with predicted ratio.
\end{table}