Table 3: Component structure of the $z_{\rm abs} = 2.309$ DLA system toward Q0100+13.
No. $z_{\rm abs}$ $v_{\rm rel}^*$ $b (\sigma_b)$ Ion $\log N (\sigma_{\log N})$
    km s-1 km s-1    
Low-ion transitions  
1 2.309027 0 5.6 (0.1) Fe II 14.86 (0.01)
        Zn II 12.28 (0.01)
        Cr II 13.15 (0.01)
        S II 14.85 (0.05)
        Ar I 13.99 (0.15)
        P II 12.88 (0.08)
        N I 14.79 (0.08)
        Mg II 15.41 (0.07)
2 2.309161 +12 5.3 (0.1) Fe II 14.61 (0.01)
        Zn II 12.03 (0.02)
        Cr II 12.96 (0.01)
        S II 14.73 (0.08)
        Ar I 13.81 (0.08)
        P II 12.55 (0.10)
        N I 14.65 (0.12)
        Mg II 15.06 (0.13)
3 2.309443 +37 14.1 (0.2) Fe II 14.02 (0.03)
4 2.309486 +52 2.8 (0.3) Fe II 12.96 (0.03)
Intermediate-ion transitions
1 2.308980 -4 6.0 (1.9) Al III 12.18 (0.12)
        Fe III <13.28
        N II <13.24
2 2.309093 +6 11.2 (1.2) Al III 12.22 (0.08)
        Fe III <13.22
        N II <13.64
3 2.309498 +43 13.0 (1.9) Al III 12.12 (0.05)

* Velocity relative to z=2.309027.

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