Table 2: Lines from System B ( $\mbox{$z_{\rm abs}$ }=2.48$) detected in the Keck spectrum.
No.Line ID $z_{\rm abs}$ b $\log N$ M05 ID
    ( kms-1) ( cm-2)  
1.H I 2.47723 $\pm$ 0.00002 25.00 (fixed) 14.583 $\pm$ 0.228  
1.C IV 2.47723 $\pm$ 0.00002 10.00 (fixed) 14.223 $\pm$ 0.141 1, 2; C IV
1.C II 2.47723 $\pm$ 0.00002 10.00 (fixed) 13.320 $\pm$ 0.093 1, C II
1.N V $\sharp$ 2.47723 $\pm$ 0.00002 9.30 (fixed) 13.617 $\pm$ 0.426  
1.Mg II 2.47723 $\pm$ 0.00002 7.00 (fixed) 12.123 $\pm$ 0.300  
1.Al III 2.47723 $\pm$ 0.00002 6.70 (fixed) 11.923 $\pm$ 0.469  
1.Al II 2.47723 $\pm$ 0.00002 6.70 (fixed) 11.020 $\pm$ 1.288  
1.Si IV 2.47723 $\pm$ 0.00002 6.50 (fixed) 13.258 $\pm$ 0.082 1, 2; Si IV
1.Si III $\sharp$ 2.47723 $\pm$ 0.00002 6.50 (fixed) 13.068 $\pm$ 1.434  
1.Si II 2.47723 $\pm$ 0.00002 6.50 (fixed) 12.554 $\pm$ 0.103 1, 2; Si II
2.H I 2.47762 $\pm$ 0.00004 25.00 (fixed) 14.000 $\pm$ 0.154  
2.C IV 2.47762 $\pm$ 0.00004 10.00 (fixed) 13.643 $\pm$ 0.110 3-5; C IV
2.N V $\sharp$ 2.47762 $\pm$ 0.00004 9.30 (fixed) 12.626 $\pm$ 0.645  
2.Mg II 2.47762 $\pm$ 0.00004 7.00 (fixed) 11.915 $\pm$ 0.416  
2.Al III (a)      
2.Al II (a)      
2.Si III $\sharp$ 2.47762 $\pm$ 0.00004 6.50 (fixed) 16.616 $\pm$ 0.333 1; Si III
2.Si II (a)      
3.H I 2.47847 $\pm$ 0.00001 25.00 (fixed) 14.625 $\pm$ 0.100  
3.C IV 2.47847 $\pm$ 0.00001 10.00 (fixed) 15.265 $\pm$ 0.135 6-10; C IV
3.C II (a)     2; C II
3.N V $\sharp$ 2.47847 $\pm$ 0.00001 9.30 (fixed) 13.493 $\pm$ 0.072 1, 2; N V

3.Al III

 (a)      
3.Al II (a)      
3.Si IV 2.47847 $\pm$ 0.00001 26.40 $\pm$ 3.23 12.827 $\pm$ 0.077 3, 4; Si IV
3.Si III $\sharp$ 2.47847 $\pm$ 0.00001 26.40 $\pm$ 3.23 14.203 $\pm$ 0.206 2; Si III
3.Si II (a)     3, 4; Si II
4.H I 2.47938 $\pm$ 0.00001 25.00 (fixed) 15.810 $\pm$ 1.099  
4.C IV 2.47938 $\pm$ 0.00001 29.97 $\pm$ 1.36 14.515 $\pm$ 0.026 11-13; C IV
4.C II 2.47938 $\pm$ 0.00001 29.97 $\pm$ 1.36 14.671 $\pm$ 0.029 3,4; C II
4.N V $\sharp$,$\dag $ 2.47938 $\pm$ 0.00001 38.37 $\pm$ 30.95 13.512 $\pm$ 0.087 3, 4, 5; N V
4.O I $\ddag $ 2.47938 $\pm$ 0.00001 8.70 (fixed) 13.754 $\pm$ 0.184 1; O I
4.Mg II $\dag $ 2.47938 $\pm$ 0.00001 7.00 (fixed) 15.096 $\pm$ 0.159  

4.Mg I

 2.47938 $\pm$ 0.00001 7.00 (fixed) 11.766 $\pm$ 0.209  
4.Al III 2.47938 $\pm$ 0.00001 6.70 (fixed) 13.054 $\pm$ 0.107  
4.Al II 2.47938 $\pm$ 0.00001 6.70 (fixed) 14.518 $\pm$ 0.239 1, 2; Al II
4.Si IV 2.47938 $\pm$ 0.00001 21.87 $\pm$ 5.96 13.398 $\pm$ 0.035 5, 6; Si IV
4.Si III $\sharp$ 2.47938 $\pm$ 0.00001 21.87 $\pm$ 5.96 13.810 $\pm$ 0.120 3; Si III
4.Si II 2.47938 $\pm$ 0.00001 21.87 $\pm$ 5.96 13.938 $\pm$ 0.151 5, 6; Si II
4.Fe III $\sharp$$\dag $ (b)      
4.Fe II $\sharp$ 2.47938 $\pm$ 0.00001 4.65 (fixed) 13.250 (fixed) 1; Fe II
5.H I 2.47998 $\pm$ 0.00002 25.00 (fixed) 14.110 $\pm$ 0.503  
5.C IV 2.47998 $\pm$ 0.00002 10.00 (fixed) 14.550 $\pm$ 0.080 14, 15; C IV
5.N V $\sharp$ 2.47998 $\pm$ 0.00002 9.30 (fixed) 12.843 $\pm$ 0.296 6; N V

5.Al III

 2.47998 $\pm$ 0.00002 6.70 (fixed) 11.836 $\pm$ 0.573  
5.Al II 2.47998 $\pm$ 0.00002 6.70 (fixed) 11.517 $\pm$ 0.484 3; Al II
5.Si IV 2.47998 $\pm$ 0.00002 34.32 $\pm$ 5.42 13.075 $\pm$ 0.067 7; Si IV
5.Si III $\sharp$ 2.47998 $\pm$ 0.00002 34.32 $\pm$ 5.42 12.984 $\pm$ 0.065 4; Si III
5.Si II 2.47998 $\pm$ 0.00002 34.32 $\pm$ 5.42 11.355 $\pm$ 1.345 7; Si II

5.Fe III $\sharp$

 (b)      
5.Fe II $\sharp$ 2.47998 $\pm$ 0.00002 4.65 (fixed) 12.843 $\pm$ 0.214  
6.H I 2.48064 $\pm$ 0.00002 25.00 (fixed) 14.969 $\pm$ 0.590  
6.C IV 2.48064 $\pm$ 0.00002 10.00 (fixed) 14.110 $\pm$ 0.076 16, 17; C IV
6.C II 2.48064 $\pm$ 0.00002 10.00 (fixed) 13.983 $\pm$ 0.053 6, 7; C II
6.N V $\sharp$ 2.48064 $\pm$ 0.00002 9.30 (fixed) 12.423 $\pm$ 0.371  
6.Mg II 2.48064 $\pm$ 0.00002 7.00 (fixed) 12.903 $\pm$ 0.115  
6.Al III 2.48064 $\pm$ 0.00002 6.70 (fixed) 12.061 $\pm$ 0.362  
6.Al II 2.48064 $\pm$ 0.00002 6.70 (fixed) 11.968 $\pm$ 0.199 4; Al II
6.Si IV 2.48064 $\pm$ 0.00002 6.50 (fixed) 13.334 $\pm$ 0.094 8, 9; Si IV
7.H I 2.48145 $\pm$ 0.00002 25.00 (fixed) 14.431 $\pm$ 0.338  
7.C IV 2.48145 $\pm$ 0.00002 10.00 (fixed) 13.979 $\pm$ 0.072 18, 19; C IV
7.C II 2.48145 $\pm$ 0.00002 10.00 (fixed) 13.914 $\pm$ 0.052 8; C II
7.N V $\sharp$ 2.48145 $\pm$ 0.00002 9.30 (fixed) 12.423 $\pm$ 0.371  
7.Mg II 2.48145 $\pm$ 0.00002 7.00 (fixed) 13.027 $\pm$ 0.112  
7.Al III 2.48145 $\pm$ 0.00002 6.70 (fixed) 12.562 $\pm$ 0.150  
7.Al II 2.48145 $\pm$ 0.00002 6.70 (fixed) 12.068 $\pm$ 0.174 5; Al II
7.Si IV 2.48145 $\pm$ 0.00002 6.50 (fixed) 13.407 $\pm$ 0.082 10; Si IV
7.Si III $\sharp$ 2.48145 $\pm$ 0.00002 6.50 (fixed) 13.936 $\pm$ 0.171 8; Si III
7.Si II 2.48145 $\pm$ 0.00002 6.50 (fixed) 13.449 (fixed) 9; Si II
7.Fe III $\sharp$ (b)      
7.Fe II $\sharp$ 2.48145 $\pm$ 0.00002 4.65 (fixed) 12.526 $\pm$ 0.293  
8.H I 2.48226 $\pm$ 0.00002 25.00 (fixed) 15.111 $\pm$ 0.100  
8.C IV 2.48226 $\pm$ 0.00002 10.00 (fixed) 12.537 $\pm$ 0.407  
8.C II $\dag $ 2.48226 $\pm$ 0.00002 10.00 (fixed) 14.374 $\pm$ 0.072 9-11; C II
8.N V $\sharp$ (a)      
8.O I 2.48226 $\pm$ 0.00001 8.70 (fixed) 13.549 $\pm$ 0.066  
8.Mg II 2.48226 $\pm$ 0.00002 7.00 (fixed) 13.014 $\pm$ 0.106  
8.Al III 2.48226 $\pm$ 0.00002 6.70 (fixed) 11.751 $\pm$ 0.670  
8.Al II 2.48226 $\pm$ 0.00002 6.70 (fixed) 11.977 $\pm$ 0.197 6, 7; Al II
8.Si IV (a)      
8.Si III $\sharp$ 2.48226 $\pm$ 0.00002 6.50 (fixed) 13.124 $\pm$ 0.113 9, 10; Si III
8.Si II 2.48226 $\pm$ 0.00002 6.50 (fixed) 13.822 $\pm$ 0.155 10, 11; Si II
$\sharp$ - Heavy-element line in the Ly$\alpha $ forest region of the spectrum; $\ddag $ - line blended by identified line (O I line is blended by C IV from System J);
$\dag $ - line is probably blended with an unidentified line; ¶ - saturated line; (a) - detected in the MMT spectrum, but not seen in the Keck spectrum;
(b) - detected in the MMT spectrum, but noise is too strong in order to fit this line in the Keck spectrum.


Source LaTeX | All tables | In the text